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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
95	binmode STDOUT;	156	binmode STDOUT;
96	binmode STDERR;	157	binmode STDERR;
97		158
98	# read virtual server time, if available	159	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
103	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
104		167
105	mkdir $_	168	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		170
108	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
109		172
110	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		189
112	#############################################################################	190	#############################################################################
113		191
114	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
115		193
…		…
139		217
140	=item $cf::TICK	218	=item $cf::TICK
141		219
142	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
143		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
144	=item %cf::CFG	232	=item %cf::CFG
145		233
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	235	from wherever your confdir points to.
148		236
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		238
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
155	=back	260	=back
156		261
157	=cut	262	=cut
158		263
159	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	271	my $msg = join "", @_;
162		272
163	$msg .= "\n"	273	$msg .= "\n"
164	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
165		275
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		277
168	utf8::encode $msg;
169	LOG llevError, $msg;	278	LOG llevWarn, $msg;
170	};	279	};
171	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
172		294
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		302
180	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	304	# within the Safe compartment.
182	for my $pkg (qw(	305	for my $pkg (qw(
183	cf::global cf::attachable	306	cf::global cf::attachable
184	cf::object cf::object::player	307	cf::object cf::object::player
185	cf::client cf::player	308	cf::client cf::player
186	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
187	cf::map cf::party cf::region	311	cf::party cf::region
188	)) {	312	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	314	}
192		315
193	$Event::DIED = sub {	316	$EV::DIED = sub {
194	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
195	};	318	};
		319
		320	#############################################################################
196		321
197	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
198		323
199	=over 4	324	=over 4
200		325
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	345	$d
221	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
222	}	347	}
223		348
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
227		350
228	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
229		352
230	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
231		354
232	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
233		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
234	=item cf::lock_wait $string	407	=item cf::lock_wait $string
235		408
236	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
237		410
238	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
239		412
240	Wait until the given lock is available and then acquires it and returns	413	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	414	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
243	returned.	416	returned.
244		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
245	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
247		423
248	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
249		425
250	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
251		427
252	=cut	428	=cut
253		429
254	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
255		431
256	sub lock_wait($) {	432	sub lock_wait($) {
257	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	434	}
265		435
266	sub lock_acquire($) {	436	sub lock_acquire($) {
267	my ($key) = @_;	437	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	438	}
279		439
280	sub lock_active($) {	440	sub lock_active($) {
281	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	442	}
285		443
286	sub freeze_mainloop {	444	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
288		446
289	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
291	};	514	}
292	$TICK_WATCHER->stop;	515	};
293	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
294	}	530	}
295		531
296	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
297		533
298	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		539
304	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
305		541
306	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
307		543
308	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
311		548
312	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
315	fast or be very important.	552	fast or be very important.
…		…
317	=cut	554	=cut
318		555
319	sub sync_job(&) {	556	sub sync_job(&) {
320	my ($job) = @_;	557	my ($job) = @_;
321		558
322	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
323	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
325		564
326	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	566
328	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
329		568
330	my $busy = 1;	569	my $busy = 1;
331	my @res;	570	my @res;
332		571
333	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	574	@res = eval { $job->() };
335	warn $@ if $@;	575	error $@ if $@;
336	undef $busy;	576	undef $busy;
337	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
338		578
339	while ($busy) {	579	while ($busy) {
340	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
341	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
342		590
343	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
344	} else {	592	} else {
345	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
346		594
…		…
366	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
367		615
368	$coro	616	$coro
369	}	617	}
370		618
371	sub write_runtime {	619	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		620
374	# first touch the runtime file to show we are still running:	621	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
376		625
377	warn "touching runtime...\n";#d#	626	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	627
379	utime undef, undef, $fh;	628	sub post_fork {
		629	reset_signals;
		630	}
		631
		632	sub fork_call(&@) {
		633	my ($cb, @args) = @_;
		634
		635	# we seemingly have to make a local copy of the whole thing,
		636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
		638
		639	my @res = Coro::Util::fork_eval {
		640	cf::post_fork;
		641	&$cb
		642	} @args;
		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
		648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
380	}	715	};
		716	cf::cleanup "db_open(db): $@" if $@;
381		717
382	my $guard = cf::lock_acquire "write_runtime";	718	$db
		719	}
383		720
384	warn "starting to write runtime...\n";#d#	721	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		722
388	my $value = $cf::RUNTIME + 90 + 10;	723	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	724	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	725	}
391		726
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	727	sub db_get($$) {
393	and return;	728	my $key = "$_[0]/$_[1]";
394		729
395	# always fsync - this file is important	730	cf::error "db_get called from main context"
396	aio_fsync $fh	731	if $Coro::current == $Coro::main;
397	and return;
398		732
399	# touch it again to show we are up-to-date	733	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		734
402	close $fh	735	$! ? ()
403	or return;	736	: $data
		737	}
404		738
405	aio_rename "$runtime~", $runtime	739	sub db_put($$$) {
406	and return;	740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
407		743
408	warn "... done writing runtime.\n";#d#	744	=item cf::cache $id => [$paths...], $processversion => $process
409		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
410	1	809	}
		810
		811	db_get cache => "$id/data"
411	}	812	}
412		813
413	=item cf::datalog type => key => value, ...	814	=item cf::datalog type => key => value, ...
414		815
415	Log a datalog packet of the given type with the given key-value pairs.	816	Log a datalog packet of the given type with the given key-value pairs.
416		817
417	=cut	818	=cut
418		819
419	sub datalog($@) {	820	sub datalog($@) {
420	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	823	}
423		824
424	=back	825	=back
425		826
426	=cut	827	=cut
427		828
428	#############################################################################	829	#############################################################################
429		830
430	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
431		832
432	Many objects in crossfire are so-called attachable objects. That means you can	833	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
435		836
436	In the following description, CLASS can be any of C<global>, C<object>	837	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	839	Deliantra).
439		840
440	=over 4	841	=over 4
441		842
442	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
443		844
…		…
487	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
488		889
489	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
491		892
492	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	894	that are attached at load/instantiate time, thus the need for a name.
494		895
495	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
496		897
497	=over 4	898	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
607		1008
608	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1013
613	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
615		1016
616	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
621		1022
622	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1025
625	} elsif (ref $type) {	1026	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
627		1028
628	} else {	1029	} else {
629	shift @arg;	1030	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
631	}	1032	}
632	}	1033	}
633	}	1034	}
634		1035
635	sub _object_attach {	1036	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
646	}	1047	}
647		1048
648	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
649	} else {	1050	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1052	}
652		1053
653	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
654	}	1055	}
655		1056
…		…
657	if (ref $_[0]) {	1058	if (ref $_[0]) {
658	_object_attach @_;	1059	_object_attach @_;
659	} else {	1060	} else {
660	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
661	}	1062	}
		1063	_recalc_want;
662	};	1064	};
663		1065
664	# all those should be optimised	1066	# all those should be optimised
665	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1072	reattach ($obj);
671	} else {	1073	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
673	}	1075	}
		1076	_recalc_want;
674	};	1077	};
675		1078
676	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
678		1081
…		…
693	";	1096	";
694	die if $@;	1097	die if $@;
695	}	1098	}
696		1099
697	our $override;	1100	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1102
700	sub override {	1103	sub override {
701	$override = 1;	1104	$override = 1;
702	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
703	}	1106	}
704		1107
705	sub do_invoke {	1108	sub do_invoke {
706	my $event = shift;	1109	my $event = shift;
707	my $callbacks = shift;	1110	my $callbacks = shift;
708		1111
709	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
710		1113
711	local $override;	1114	local $override;
712		1115
713	for (@$callbacks) {	1116	for (@$callbacks) {
714	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
715		1118
716	if ($@) {	1119	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1121	override;
720	}	1122	}
721		1123
722	return 1 if $override;	1124	return 1 if $override;
723	}	1125	}
724		1126
725	0	1127	0
726	}	1128	}
727		1129
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1131
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1133
732	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
733		1135
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1137	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1139
738	=back	1140	=back
739		1141
740	=cut	1142	=cut
741		1143
742	#############################################################################	1144	#############################################################################
743	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
744		1188
745	sub reattach {	1189	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1191	my ($obj) = @_;
748		1192
		1193	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1195
751	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
752		1197
753	@$registry = ();	1198	@$registry = ();
754		1199
…		…
759	for (@$attach) {	1204	for (@$attach) {
760	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
762	}	1207	}
763	} else {	1208	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1210	}
766	}	1211	}
767	}	1212	}
768		1213
769	cf::attachable->attach (	1214	cf::attachable->attach (
770	prio => -1000000,	1215	prio => -1000000,
771	on_instantiate => sub {	1216	on_instantiate => sub {
772	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
773		1218
774	$data = from_json $data;	1219	$data = decode_json $data;
775		1220
776	for (@$data) {	1221	for (@$data) {
777	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
778		1223
779	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1240	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
797		1242
798	sync_job {	1243	sync_job {
799	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
802		1249
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
807	close $fh;	1257	aio_close $fh;
808		1258
809	if (@$objs) {	1259	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
815	close $fh;	1268	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
817	}	1270	}
818	} else {	1271	} else {
819	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
820	}	1273	}
821		1274
822	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1279	} else {
824	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
825	}	1281	}
826	} else {	1282	} else {
827	aio_unlink $filename;	1283	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
829	}	1285	}
830	}	1286	};
831	}	1287	}
832		1288
833	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
835		1291
…		…
847	or return;	1303	or return;
848		1304
849	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
851	or return;	1307	or return;
		1308
852	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
853	}	1311	}
854		1312
		1313	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
857	return ($data, $av);	1318	($data, $av)
858	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
859		1326
860	#############################################################################	1327	#############################################################################
861	# command handling &c	1328	# command handling &c
862		1329
863	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1344	}
878		1345
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1347
881	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
882		1353
883	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
884	called.	1355	called.
885		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
886	=cut	1368	=cut
887		1369
888	sub register_extcmd {	1370	sub register_extcmd {
889	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
890		1372
891	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
892	}	1374	}
893		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
894	cf::player->attach (	1384	cf::player->attach (
895	on_command => sub {	1385	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
897		1387
898	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
899	or return;	1389	or return;
900		1390
…		…
905	cf::override;	1395	cf::override;
906	},	1396	},
907	on_extcmd => sub {	1397	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
909		1399
910	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1401
912	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
918	} else {	1417	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1419	}
921		1420
922	cf::override;	1421	cf::override;
923	},	1422	},
924	);	1423	);
925		1424
		1425	# "readahead" all extensions
926	sub load_extension {	1426	sub cache_extensions {
927	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
928		1428
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1432	}
954	die $@;
955	}	1433	};
956		1434
957	push @EXTS, $pkg;	1435	$grp
958	}	1436	}
959		1437
960	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
961	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1445	next unless -r $path;
963	eval {	1446
964	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
965	1	1510	}
966	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
967	}	1521	};
968	}	1522	}
969		1523
970	#############################################################################	1524	#############################################################################
971		1525
		1526	=back
		1527
972	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
973		1529
974	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
975		1531
976	=cut	1532	=cut
977		1533
978	package cf::player;	1534	package cf::player;
979		1535
980	use Coro::AIO;	1536	use Coro::AIO;
981		1537
982	=head3 cf::player	1538	=head3 cf::player
983		1539
984	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
985		1555
986	=item cf::player::find $login	1556	=item cf::player::find $login
987		1557
988	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
989		1559
…		…
1008		1578
1009	sub exists($) {	1579	sub exists($) {
1010	my ($login) = @_;	1580	my ($login) = @_;
1011		1581
1012	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1014	}	1584	}
1015		1585
1016	sub find($) {	1586	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1588	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1599
1030	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1033	}	1609	}
1034	}	1610	}
1035	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1036		1625
1037	sub save($) {	1626	sub save($) {
1038	my ($pl) = @_;	1627	my ($pl) = @_;
1039		1628
1040	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1046		1635
1047	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1049		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1050	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1051	Coro::cede;	1645	cf::cede_to_tick;
1052	}	1646	}
1053		1647
1054	sub new($) {	1648	sub new($) {
1055	my ($login) = @_;	1649	my ($login) = @_;
1056		1650
…		…
1062	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1063		1657
1064	$self	1658	$self
1065	}	1659	}
1066		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1067	=item $pl->quit_character	1671	=item $pl->quit_character
1068		1672
1069	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1071		1675
…		…
1075	my ($pl) = @_;	1679	my ($pl) = @_;
1076		1680
1077	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1078		1682
1079	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1685
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1085	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1086		1694
1087	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1124	or return [];	1732	or return [];
1125		1733
1126	my @logins;	1734	my @logins;
1127		1735
1128	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1132		1746
1133	utf8::decode $login;	1747	utf8::decode $login;
1134	push @logins, $login;	1748	push @logins, $login;
1135	}	1749	}
1136		1750
1137	\@logins	1751	\@logins
1138	}	1752	}
1139		1753
1140	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1141		1757
1142	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1143	player. May block.	1759	player. May block.
1144		1760
1145	=cut	1761	=cut
…		…
1163	}	1779	}
1164		1780
1165	\@paths	1781	\@paths
1166	}	1782	}
1167		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1168	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1169		1789
1170	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1171		1791
1172	=cut	1792	=cut
1173		1793
1174	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1176		1796
1177	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1798	}
1181		1799
1182	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1183		1801
1184	Sends an ext event to the client.	1802	Sends an ext event to the client.
1185		1803
1186	=cut	1804	=cut
1187		1805
1188	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1190		1808
1191	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1192	}	1810	}
1193		1811
1194	=head3 cf::region	1812	=head3 cf::region
1195		1813
1196	=over 4	1814	=over 4
…		…
1199		1817
1200	package cf::region;	1818	package cf::region;
1201		1819
1202	=item cf::region::find_by_path $path	1820	=item cf::region::find_by_path $path
1203		1821
1204	Tries to decuce the probable region for a map knowing only its path.	1822	Tries to decuce the likely region for a map knowing only its path.
1205		1823
1206	=cut	1824	=cut
1207		1825
1208	sub find_by_path($) {	1826	sub find_by_path($) {
1209	my ($path) = @_;	1827	my ($path) = @_;
1210		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1211	my ($match, $specificity);	1831	my ($match, $specificity);
1212		1832
1213	for my $region (list) {	1833	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1217	}	1837	}
1218	}	1838	}
1219		1839
…		…
1240	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1242		1862
1243	sub generate_random_map {	1863	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1246	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1869	}
1260		1870
1261	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1262		1872
1263	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1268		1878
1269	sub register {	1879	sub register {
1270	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	1881	my $pkg = caller;
1272		1882
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		1884
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1886	}
1278		1887
1279	# also paths starting with '/'	1888	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1890
1282	sub thawer_merge {	1891	sub thawer_merge {
1283	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1284		1893
1285	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1286	local $self->{path};	1895	local $self->{path};
1287	local $self->{load_path};	1896	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1897
1291	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1292	}	1899	}
1293		1900
1294	sub normalise {	1901	sub normalise {
1295	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1296		1903
1297	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1298		1905
1299	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1300		1907
1301	# map plan:	1908	# map plan:
1302	#	1909	#
…		…
1317	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	1925	$path = "$base/$path";
1319	}	1926	}
1320		1927
1321	for ($path) {	1928	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1325	}	1931	}
1326		1932
1327	$path	1933	$path
…		…
1341	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1342	return $self;	1948	return $self;
1343	}	1949	}
1344	}	1950	}
1345		1951
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	1953	()
1348	}	1954	}
1349		1955
1350	sub init {	1956	sub init {
1351	my ($self) = @_;	1957	my ($self) = @_;
…		…
1373		1979
1374	# the temporary/swap location	1980	# the temporary/swap location
1375	sub save_path {	1981	sub save_path {
1376	my ($self) = @_;	1982	my ($self) = @_;
1377		1983
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1380	}	1986	}
1381		1987
1382	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1383	sub uniq_path {	1989	sub uniq_path {
1384	my ($self) = @_;	1990	my ($self) = @_;
1385		1991
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1993	"$UNIQUEDIR/$path"
1388	}	1994	}
1389		1995
1390	# and all this just because we cannot iterate over	1996	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1997	my ($self) = @_;
1394		1998
1395	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1397	}	2002	}
1398		2003
1399	sub unlink_save {	2004	sub unlink_save {
1400	my ($self) = @_;	2005	my ($self) = @_;
1401		2006
…		…
1406		2011
1407	sub load_header_from($) {	2012	sub load_header_from($) {
1408	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1409		2014
1410	utf8::encode $path;	2015	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1416		2024
1417	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1418		2026
1419	1	2027	1
1420	}	2028	}
…		…
1459	$self->load_header_orig	2067	$self->load_header_orig
1460	or return;	2068	or return;
1461	$self->prepare_orig;	2069	$self->prepare_orig;
1462	}	2070	}
1463		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
1464	$self->default_region (cf::region::find_by_path $self->{path})	2075	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2076	unless $self->default_region;
1466		2077
1467	1	2078	1
1468	}	2079	}
1469		2080
1470	sub find;	2081	sub find;
1471	sub find {	2082	sub find {
1472	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1473		2084
		2085	cf::cede_to_tick;
		2086
1474	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1475		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2091
1478	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1481	or return;	2094	or return;
1482		2095
1483	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1484		2097
1485	$map->load_header	2098	$map->load_header
1486	or return;	2099	or return;
1487		2100
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1491	$map->reset;	2106	$map->reset;
1492	undef $guard;
1493	return find $path;	2107	return find $path;
1494	}	2108	}
1495		2109
1496	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1497	}	2111	}
1498	}	2112	}
1499		2113
1500	sub pre_load { }	2114	sub pre_load { }
1501	sub post_load { }	2115	#sub post_load { } # XS
1502		2116
1503	sub load {	2117	sub load {
1504	my ($self) = @_;	2118	my ($self) = @_;
1505		2119
1506	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1507		2121
1508	my $path = $self->{path};	2122	my $path = $self->{path};
1509		2123
1510	{	2124	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1512		2126
		2127	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2129
1515	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1516		2131
1517	$self->alloc;	2132	$self->alloc;
1518		2133
1519	$self->pre_load;	2134	$self->pre_load;
1520	Coro::cede;	2135	cf::cede_to_tick;
1521		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1523	or return;	2140	or return;
1524		2141
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1526	if delete $self->{load_original};	2143	if delete $self->{load_original};
1527		2144
1528	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2146	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2149	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1533	}	2153	}
1534	}	2154	}
1535		2155
1536	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1537	# now do the right thing for maps	2159	# now do the right thing for maps
1538	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2162	unless $self->difficulty;
1541	Coro::cede;	2163	cf::cede_to_tick;
1542		2164
1543	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2166	$self->decay_objects;
1545	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1546	$self->update_buttons;	2168	$self->update_buttons;
1547	Coro::cede;	2169	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2170	$self->activate;
1551	}	2171	}
1552		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2177	}
1555		2178
1556	$self->post_load;	2179	$self->post_load;
1557	}
1558		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2187	sub customise_for {
1560	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1561		2189
1562	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2191	if $self->per_player;
1564		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1565	$self	2196	$self
1566	}	2197	}
1567		2198
1568	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2200	sub load_neighbours {
1570	my ($map) = @_;	2201	my ($map) = @_;
1571		2202
1572	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1573		2204
1574	for (0 .. 3) {	2205	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1576	or next;	2207	or next;
1577	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1578	or next;	2209	or next;
1579	$neigh->load;	2210	$neigh->load;
1580		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2216	}
1584		2217
1585	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1587	or next;	2221	or next;
1588	$neigh->load;	2222	$neigh->load;
1589	}	2223	}
1590	}	2224	}
1591		2225
1592	sub find_sync {	2226	sub find_sync {
1593	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1594		2228
1595	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1596	}	2233	}
1597		2234
1598	sub do_load_sync {	2235	sub do_load_sync {
1599	my ($map) = @_;	2236	my ($map) = @_;
1600		2237
1601	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1602	}	2242	}
1603		2243
1604	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1606		2246
1607	sub find_async {	2247	sub find_async {
1608	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1609		2249
1610	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1611		2251
1612	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2254	}
1615		2255
1616	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1617	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1618	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2263	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2264	$map->load if $v;
		2265	}
1623		2266
1624	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1625	}	2268	}
1626	}	2269	}
1627	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1628	};	2271	};
1629	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1630		2273
1631	()	2274	()
1632	}	2275	}
1633		2276
		2277	# common code, used by both ->save and ->swapout
1634	sub save {	2278	sub _save {
1635	my ($self) = @_;	2279	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2280
1639	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1640		2282
1641	return unless $self->dirty;	2283	return unless $self->dirty;
1642		2284
…		…
1648	return if $self->{deny_save};	2290	return if $self->{deny_save};
1649		2291
1650	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1651		2293
1652	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1654	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1655		2300
1656	if ($uniq) {	2301	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2304	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2306	}
1662	}	2307	}
1663		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1664	sub swap_out {	2317	sub swap_out {
1665	my ($self) = @_;	2318	my ($self) = @_;
1666		2319
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1672	return if $self->players;	2324	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1676	$self->clear;	2335	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2336	}
1679		2337
1680	sub reset_at {	2338	sub reset_at {
1681	my ($self) = @_;	2339	my ($self) = @_;
1682		2340
1683	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1686		2343
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2346
…		…
1700	my ($self) = @_;	2357	my ($self) = @_;
1701		2358
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2360
1704	return if $self->players;	2361	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2362
1707	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
1708		2364
1709	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1710		2366
1711	# need to save uniques path	2367	# need to save uniques path
1712	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2372	if $uniq;
1717	}	2373	}
1718		2374
1719	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1720		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2379	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2380
1725	$self->unlink_save;	2381	$self->unlink_save;
1726	$self->destroy;	2382	$self->destroy;
1727	}	2383	}
1728		2384
1729	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1730		2386
1731	sub nuke {	2387	sub nuke {
1732	my ($self) = @_;	2388	my ($self) = @_;
1733		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1734	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1735		2394
1736	$self->unlink_save;	2395	$self->unlink_save;
1737		2396
1738	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2402
1744	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1745		2405
1746	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1747	}	2443	}
1748		2444
1749	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1750		2446
1751	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2448	instantiated unique items. May block.
1753		2449
1754	=cut	2450	=cut
1755		2451
1756	sub unique_maps() {	2452	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2453	[
1758	or return;	2454	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2455	utf8::decode $_;
1764	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2458	? ()
1767	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2461	]
1769
1770	\@paths
1771	}	2462	}
1772		2463
1773	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1774		2495
1775	=back	2496	=back
1776		2497
1777	=head3 cf::object	2498	=head3 cf::object
1778		2499
…		…
1782		2503
1783	=over 4	2504	=over 4
1784		2505
1785	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1786		2507
1787	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1788		2510
1789	=cut	2511	=cut
1790		2512
1791	sub inv_recursive_;	2513	sub inv_recursive_;
1792	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1795		2517
1796	sub inv_recursive {	2518	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1798	}	2520	}
1799		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1800	package cf;	2550	package cf;
1801		2551
1802	=back	2552	=back
1803		2553
1804	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2561	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1813		2563
1814	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1815		2579
1816	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2581	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1821		2585
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2587
1824	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1826	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1829	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1830	}	2613	}
1831		2614
1832	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1833		2616
1834	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1847		2630
1848	=item $player_object->enter_link	2631	=item $player_object->enter_link
1849		2632
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2634
1852	The player should be reasonably safe there for short amounts of time. You	2635	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1854		2639
1855	Will never block.	2640	Will never block.
1856		2641
1857	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1858		2643
…		…
1878	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2664	my ($self) = @_;
1880		2665
1881	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1882		2667
		2668	++$self->{_link_recursion};
		2669
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2671
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1887		2674
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2676	}
1890		2677
1891	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1893		2682
1894	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1895		2684
1896	unless ($map) {	2685	unless ($map) {
1897	# restore original map position	2686	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1910		2699
1911	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1914		2703
1915	$map->load;	2704	$map->load;
1916	$map->load_diag;	2705	$map->load_neighbours;
1917		2706
1918	return unless $self->contr->active;	2707	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2708
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
1923	}	2711	# entering was successful
1924		2712	delete $self->{_link_recursion};
1925	cf::player->attach (	2713	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2714	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2715	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2716
1939	# try to abort aborted map switching on player login :)	2717	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2718
1957	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1959	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1960		2733
1961	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2745
1964	$self->enter_link;	2746	$self->enter_link;
1965		2747
1966	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1967	my $map = eval {	2770	my $map = eval {
1968	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1970	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2786	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1975	})->prio (1);	2794	})->prio (1);
1976	}	2795	}
1977		2796
1978	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1979		2798
…		…
1999	}	2818	}
2000		2819
2001	sub prepare_random_map {	2820	sub prepare_random_map {
2002	my ($exit) = @_;	2821	my ($exit) = @_;
2003		2822
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2825	# that depends on the exit object
2009		2826
2010	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2829	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2017	}	2836	}
2018		2837
2019	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2020		2839
2021	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2024		2843
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2846	undef $fh;
2028	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2029		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2032	}	2855	}
2033	}	2856	}
2034		2857
2035	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2037		2860
2038	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2039		2862
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2863	$self->enter_link;
2052		2864
2053	(async {	2865	(async {
2054	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2055	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2056	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2057		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2058	1;	2889	1
2059	}) {	2890	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2895
2065	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2897	$self->leave_link;
2067	}	2898	}
2068	})->prio (1);	2899	})->prio (1);
2069	}	2900	}
2070		2901
…		…
2084		2915
2085	utf8::encode $text;	2916	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2918	}
2088		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2089	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2090		3108
2091	Sends an exti event to the client.	3109	Sends an ext event to the client.
2092		3110
2093	=cut	3111	=cut
2094		3112
2095	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2097		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2100	}	3140	}
2101		3141
2102	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2103		3143
2104	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3145	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3147
2108	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3149	become reliable at some point in the future.
2110		3150
2111	=cut	3151	=cut
2112		3152
2113	sub cf::client::query {	3153	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3162	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3164
2125	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2127	}	3169	}
2128		3170
2129	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2130	on_reply => sub {	3177	on_reply => sub {
2131	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2132		3179
2133	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2134	# get handled first	3181	# get handled first
…		…
2146	} else {	3193	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3195	}
2149	}	3196	}
2150	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2151	);	3224	);
2152		3225
2153	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2154		3227
2155	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3244
2172	$coro	3245	$coro
2173	}	3246	}
2174		3247
2175	cf::client->attach (	3248	cf::client->attach (
2176	on_destroy => sub {	3249	on_client_destroy => sub {
2177	my ($ns) = @_;	3250	my ($ns) = @_;
2178		3251
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3253	},
2181	);	3254	);
…		…
2196	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2198		3271
2199	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2200		3273
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2202		3279
2203	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2204		3281
2205	=pod	3282	=pod
2206		3283
2207	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2208		3285
2209	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2210	cf::object::player player	3291	cf::object::player
2211	cf::player peaceful	3292	player
2212	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2213		3299
2214	=cut	3300	=cut
2215		3301
2216	for (	3302	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2221	) {	3309	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3312	for @funs;
2226	}	3313	}
2227		3314
…		…
2242		3329
2243	my $qcode = $code;	3330	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2246		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2247	local $_;	3337	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3338
2250	my $eval =	3339	my $eval =
2251	"do {\n"	3340	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3343	. $code
2255	. "\n}"	3344	. "\n}"
2256	;	3345	;
2257		3346
		3347	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2261		3356
2262	if ($@) {	3357	if ($@) {
2263	warn "$@";	3358	warn "$@",
2264	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2266	}	3361	}
2267		3362
2268	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2269	}	3364	}
2270		3365
…		…
2284	=cut	3379	=cut
2285		3380
2286	sub register_script_function {	3381	sub register_script_function {
2287	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2288		3383
2289	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2291	}	3386	}
2292		3387
2293	=back	3388	=back
2294		3389
2295	=cut	3390	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3391
2471	#############################################################################	3392	#############################################################################
2472	# the server's init and main functions	3393	# the server's init and main functions
2473		3394
2474	sub load_facedata($) {	3395	sub load_facedata($) {
2475	my ($path) = @_;	3396	my ($path) = @_;
2476		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2477	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2478		3405
2479	my $facedata;
2480	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2481	or die "$path: $!";	3407	or die "$path: $!";
2482		3408
2483	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2484		3410
2485	$facedata->{version} == 2	3411	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2488	{	3423	{
2489	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2490		3425
2491	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2497	}	3436	}
2498		3437
2499	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2501	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2502	or next;	3442	or next;
		3443
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3447	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3449	}
2508	Coro::cede;	3450
		3451	cf::cede_to_tick;
2509	}	3452	}
2510	}	3453	}
2511		3454
2512	{	3455	{
2513	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2514		3457
2515	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3460	cf::cede_to_tick;
2518	}	3461	}
2519		3462
2520	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2521	}	3464	}
2522		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2523	1	3485	1
2524	}	3486	}
2525		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2526	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2527	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2529	}	3518	}
2530		3519
2531	sub reload_facedata {	3520	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3530	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2544	}	3533	}
2545		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2546	sub reload_resources {	3558	sub reload_resources {
2547	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2548		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2549	reload_regions;	3566	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3567	reload_treasures;
2553		3568
2554	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2555	}	3570	}
2556		3571
2557	sub init {	3572	sub reload_config {
2558	reload_resources;	3573	trace "reloading config file...\n";
2559	}
2560		3574
2561	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2563	or return;
2564		3577
2565	local $/;	3578	utf8::decode $config;
2566	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2567		3580
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3582
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3585
2573	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2577	};	3590	};
2578	warn $@ if $@;	3591	warn $@ if $@;
2579	}	3592	}
2580	}	3593	}
2581		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2582	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2583	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3636	(async {
2587	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2589	};	3640	};
2590		3641
2591	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2592	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2593	load_extensions;	3665	load_extensions;
2594		3666
2595	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2597	}	3685	}
2598		3686
2599	#############################################################################	3687	#############################################################################
2600	# initialisation and cleanup	3688	# initialisation and cleanup
2601		3689
2602	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2603	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2612	},
2613	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2614	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2615	}	3786	}
2616		3787
2617	sub emergency_save() {	3788	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2619		3790
2620	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2621		3797
2622	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2623	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3809	$pl->save;
2631	}	3810	}
2632	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2633		3812
2634	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3818	$map->valid or next;
2638	$map->save;	3819	$map->save;
2639	}	3820	}
2640	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2641		3822
2642	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3851	};
2646		3852
2647	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2648	}	3854	}
2649		3855
2650	sub post_cleanup {	3856	sub post_cleanup {
2651	my ($make_core) = @_;	3857	my ($make_core) = @_;
2652		3858
		3859	IO::AIO::flush;
		3860
2653	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2655	}	3891	}
2656		3892
2657	sub do_reload_perl() {	3893	sub do_reload_perl() {
2658	# can/must only be called in main	3894	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2660	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2661	return;	3897	return;
2662	}	3898	}
2663		3899
2664	warn "reloading...";	3900	return if $RELOAD++;
2665		3901
2666	warn "entering sync_job";	3902	my $t1 = AE::time;
2667		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2668	cf::sync_job {	3910	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	3911	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		3912
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	3915	%EXT_CORO = ();
2697		3916
2698	warn "removing commands";	3917	trace "perl_reload: removing commands";
2699	%COMMAND = ();	3918	%COMMAND = ();
2700		3919
2701	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2703		3923
2704	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2707		3927
2708	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2709	eval {	3929	eval {
2710	$cb->($pkg);	3930	$cb->($pkg);
2711	1	3931	1
2712	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2713	}	3937	}
2714		3938
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3942
2723	warn "... unloading $k";	3943	trace "... unloading $k";
2724	delete $INC{$k};	3944	delete $INC{$k};
2725		3945
2726	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2728		3948
2729	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2731	}	3954	}
2732		3955
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3959
2740	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		3963
2744	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3965	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2747		3967
2748	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2749		3969
2750	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2751	require cf;	3971	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2753		3973
2754	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	3975	cf::reload_config;
2756		3976
2757	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	3978	cf::load_extensions;
2759		3979
		3980	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2766		3988
2767	warn "leaving sync_job";	3989	cf::_post_init 1;
2768		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
2769	1	3993	1
2770	} or do {	3994	} or do {
2771	warn $@;	3995	error $@;
2772	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	3997	};
		3998
		3999	--$RELOAD;
2774	};	4000	}
2775		4001
2776	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
2777	};	4004	};
2778		4005
2779	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
2780		4007
2781	sub reload_perl() {	4008	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
2784		4011
2785	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4014
2788	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4016	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
2792	},	4018	};
2793	);	4019	};
2794	}	4020	}
2795		4021
2796	register_command "reload" => sub {	4022	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2798		4024
2799	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4029	reload_perl;
		4030	};
2802	}	4031	}
2803	};	4032	};
2804		4033
2805	unshift @INC, $LIBDIR;	4034	#############################################################################
2806		4035
2807	my $bug_warning = 0;	4036	my $bug_warning = 0;
2808		4037
2809	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
2811		4040
2812	sub wait_for_tick {	4041	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		4043
2816	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	4046	$signal->wait;
2819	}	4047	}
2820		4048
2821	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		4051
2825	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4054	$signal->wait;
2828	}	4055	}
2829		4056
2830	$TICK_WATCHER = Event->timer (	4057	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2840	return;	4061	return;
2841	}	4062	}
2842		4063
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2846		4065
2847	$RUNTIME += $TICK;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		4067
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4072	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4074	};
		4075	}
2857		4076
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4078	$sig->send;
2869	}	4079	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	4081	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4082	}
2876	);	4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
		4093	}
		4094	}
2877		4095
2878	{	4096	{
2879	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4098
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4099	BDB::min_parallel 16;
2889		4100	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4101	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4102
2905	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4110
2908	cf::sync_job {	4111	cf::sync_job {
2909	eval {	4112	eval {
2910	BDB::db_env_open	4113	BDB::db_env_open
2911	$DB_ENV,	4114	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4118	0666;
2916		4119
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4121	};
2922		4122
2923	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4124	};
2925	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
2926	}	4136	}
2927		4137
2928	{	4138	{
		4139	# configure IO::AIO
		4140
2929	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4143	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4144	}
2942		4145
2943	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
2944		4148
2945	sub _log_backtrace {	4149	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
2947		4151
2948	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
2949		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
2953	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
2954	my @bt = fork_call {	4165	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
2966	}	4177	}
2967		4178
2968	@funcs	4179	@funcs
2969	};	4180	};
2970		4181
2971	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4185	--$_log_backtrace;
2974	};	4186	};
2975	} else {	4187	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4190	}
2979	}	4191	}
2980		4192
2981	# load additional modules	4193	# load additional modules
2982	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2983		4196
2984	END { cf::emergency_save }	4197	END { cf::emergency_save }
2985		4198
2986	1	4199	1
2987		4200

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