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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
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 Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
58		118
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	201	every server tick.
119		202
120	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
144	=back	258	=back
145		259
146	=cut	260	=cut
147		261
148	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	269	my $msg = join "", @_;
151	utf8::encode $msg;
152		270
153	$msg .= "\n"	271	$msg .= "\n"
154	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
155		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
156	LOG llevError, $msg;	276	LOG llevWarn, $msg;
157	};	277	};
158	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
159		292
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		300
167	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	302	# within the Safe compartment.
169	for my $pkg (qw(	303	for my $pkg (qw(
170	cf::global cf::attachable	304	cf::global cf::attachable
171	cf::object cf::object::player	305	cf::object cf::object::player
172	cf::client cf::player	306	cf::client cf::player
173	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
174	cf::map cf::party cf::region	309	cf::party cf::region
175	)) {	310	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	312	}
179		313
180	$Event::DIED = sub {	314	$EV::DIED = sub {
181	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
182	};	316	};
		317
		318	#############################################################################
183		319
184	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
185		321
186	=over 4	322	=over 4
187		323
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	343	$d
208	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
209	}	345	}
210		346
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
214		348
215	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
216		350
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
221	=item cf::lock_wait $string	388	=item cf::lock_wait $string
222		389
223	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
224		391
225	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
226		393
227	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
230	returned.	397	returned.
231		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
232	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
234		404
235	=cut	405	=item $locked = cf::lock_active $string
236		406
237	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
238		412
239	sub lock_wait($) {	413	sub lock_wait($) {
240	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	415	}
248		416
249	sub lock_acquire($) {	417	sub lock_acquire($) {
250	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
251		420
252	# wait, to be sure we are not locked	421	sub lock_active($) {
253	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	423	}
262		424
263	sub freeze_mainloop {	425	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
265		427
266	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
268	};	495	}
269	$TICK_WATCHER->stop;	496	};
270	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
271	}	511	}
272		512
273	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
274		514
275	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		520
281	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
282		522
283	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
284		524
285	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
288		529
289	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
292	fast or be very important.	533	fast or be very important.
…		…
294	=cut	535	=cut
295		536
296	sub sync_job(&) {	537	sub sync_job(&) {
297	my ($job) = @_;	538	my ($job) = @_;
298		539
299	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
300	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
302		545
303	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	547
305	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
306		549
307	my $busy = 1;	550	my $busy = 1;
308	my @res;	551	my @res;
309		552
310	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	555	@res = eval { $job->() };
312	warn $@ if $@;	556	error $@ if $@;
313	undef $busy;	557	undef $busy;
314	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
315		559
316	while ($busy) {	560	while ($busy) {
317	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
318	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
319		571
320	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
321	} else {	573	} else {
322	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
323		575
…		…
343	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
344		596
345	$coro	597	$coro
346	}	598	}
347		599
348	sub write_runtime {	600	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		601
351	my $runtime = cf::localdir . "/runtime";	602	Executes the given code block with the given arguments in a seperate
		603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
352		606
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	607	=cut
354	or return;
355		608
356	my $value = $cf::RUNTIME + 90 + 10;	609	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	610	reset_signals;
358	# 60 allows for the watchdog to kill the server.	611	}
359		612
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	613	sub fork_call(&@) {
361	and return;	614	my ($cb, @args) = @_;
362		615
363	# always fsync - this file is important	616	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	617	# otherwise perl prematurely frees the stuff :/
365	and return;	618	# TODO: investigate and fix (likely this will be rather laborious)
366		619
367	close $fh	620	my @res = Coro::Util::fork_eval {
368	or return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
369		624
370	aio_rename "$runtime~", $runtime	625	wantarray ? @res : $res[-1]
371	and return;	626	}
372		627
		628	sub objinfo {
373	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
374	}	793	}
375		794
376	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
377		796
378	Log a datalog packet of the given type with the given key-value pairs.	797	Log a datalog packet of the given type with the given key-value pairs.
379		798
380	=cut	799	=cut
381		800
382	sub datalog($@) {	801	sub datalog($@) {
383	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	804	}
386		805
387	=back	806	=back
388		807
389	=cut	808	=cut
390		809
391	#############################################################################	810	#############################################################################
392		811
393	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
394		813
395	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
398		817
399	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	820	Deliantra).
402		821
403	=over 4	822	=over 4
404		823
405	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
406		825
…		…
450	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
451		870
452	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
454		873
455	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
457		876
458	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
459		878
460	=over 4	879	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
570		989
571	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		994
576	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	996	my $pkg = shift @arg;
578		997
579	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
584		1003
585	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1006
588	} elsif (ref $type) {	1007	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
590		1009
591	} else {	1010	} else {
592	shift @arg;	1011	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
594	}	1013	}
595	}	1014	}
596	}	1015	}
597		1016
598	sub _object_attach {	1017	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
609	}	1028	}
610		1029
611	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
612	} else {	1031	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1033	}
615		1034
616	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
617	}	1036	}
618		1037
…		…
620	if (ref $_[0]) {	1039	if (ref $_[0]) {
621	_object_attach @_;	1040	_object_attach @_;
622	} else {	1041	} else {
623	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
624	}	1043	}
		1044	_recalc_want;
625	};	1045	};
626		1046
627	# all those should be optimised	1047	# all those should be optimised
628	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1053	reattach ($obj);
634	} else {	1054	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
636	}	1056	}
		1057	_recalc_want;
637	};	1058	};
638		1059
639	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
641		1062
…		…
656	";	1077	";
657	die if $@;	1078	die if $@;
658	}	1079	}
659		1080
660	our $override;	1081	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1083
663	sub override {	1084	sub override {
664	$override = 1;	1085	$override = 1;
665	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
666	}	1087	}
667		1088
668	sub do_invoke {	1089	sub do_invoke {
669	my $event = shift;	1090	my $event = shift;
670	my $callbacks = shift;	1091	my $callbacks = shift;
671		1092
672	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
673		1094
674	local $override;	1095	local $override;
675		1096
676	for (@$callbacks) {	1097	for (@$callbacks) {
677	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
678		1099
679	if ($@) {	1100	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1102	override;
683	}	1103	}
684		1104
685	return 1 if $override;	1105	return 1 if $override;
686	}	1106	}
687		1107
688	0	1108	0
689	}	1109	}
690		1110
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1112
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1114
695	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
696		1116
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1120
701	=back	1121	=back
702		1122
703	=cut	1123	=cut
704		1124
705	#############################################################################	1125	#############################################################################
706	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
707		1169
708	sub reattach {	1170	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1172	my ($obj) = @_;
711		1173
		1174	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1176
714	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
715		1178
716	@$registry = ();	1179	@$registry = ();
717		1180
…		…
722	for (@$attach) {	1185	for (@$attach) {
723	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
725	}	1188	}
726	} else {	1189	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1191	}
729	}	1192	}
730	}	1193	}
731		1194
732	cf::attachable->attach (	1195	cf::attachable->attach (
733	prio => -1000000,	1196	prio => -1000000,
734	on_instantiate => sub {	1197	on_instantiate => sub {
735	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
736		1199
737	$data = from_json $data;	1200	$data = decode_json $data;
738		1201
739	for (@$data) {	1202	for (@$data) {
740	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
741		1204
742	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1221	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
760		1223
761	sync_job {	1224	sync_job {
762	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
765		1230
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
770	close $fh;	1238	aio_close $fh;
771		1239
772	if (@$objs) {	1240	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
778	close $fh;	1249	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
780	}	1251	}
781	} else {	1252	} else {
782	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
783	}	1254	}
784		1255
785	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1260	} else {
787	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
788	}	1262	}
789	} else {	1263	} else {
790	aio_unlink $filename;	1264	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
792	}	1266	}
793	}	1267	};
794	}	1268	}
795		1269
796	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
798		1272
…		…
810	or return;	1284	or return;
811		1285
812	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
814	or return;	1288	or return;
		1289
815	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
816	}	1292	}
817		1293
		1294	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
820	return ($data, $av);	1299	($data, $av)
821	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
822		1307
823	#############################################################################	1308	#############################################################################
824	# command handling &c	1309	# command handling &c
825		1310
826	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1325	}
841		1326
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1328
844	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
845		1334
846	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
847	called.	1336	called.
848		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
849	=cut	1349	=cut
850		1350
851	sub register_extcmd {	1351	sub register_extcmd {
852	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
853		1353
854	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
855	}	1355	}
856		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
857	cf::player->attach (	1365	cf::player->attach (
858	on_command => sub {	1366	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
860		1368
861	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
862	or return;	1370	or return;
863		1371
…		…
868	cf::override;	1376	cf::override;
869	},	1377	},
870	on_extcmd => sub {	1378	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
872		1380
873	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1382
875	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
881	} else {	1398	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1400	}
884		1401
885	cf::override;	1402	cf::override;
886	},	1403	},
887	);	1404	);
888		1405
		1406	# "readahead" all extensions
889	sub load_extension {	1407	sub cache_extensions {
890	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
891		1409
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1413	}
917	die $@;
918	}	1414	};
919		1415
920	push @EXTS, $pkg;	1416	$grp
921	}	1417	}
922		1418
923	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
924	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1426	next unless -r $path;
926	eval {	1427
927	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
928	1	1491	}
929	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
930	}	1502	};
931	}	1503	}
932		1504
933	#############################################################################	1505	#############################################################################
934		1506
		1507	=back
		1508
935	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
936		1510
937	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
938		1512
939	=cut	1513	=cut
940		1514
941	package cf::player;	1515	package cf::player;
942		1516
…		…
944		1518
945	=head3 cf::player	1519	=head3 cf::player
946		1520
947	=over 4	1521	=over 4
948		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
949	=item cf::player::find $login	1537	=item cf::player::find $login
950		1538
951	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
952		1540
953	=cut	1541	=cut
954		1542
955	sub playerdir($) {	1543	sub playerdir($) {
956	cf::localdir	1544	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1546	}
962		1547
963	sub path($) {	1548	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1559
975	sub exists($) {	1560	sub exists($) {
976	my ($login) = @_;	1561	my ($login) = @_;
977		1562
978	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
980	}	1565	}
981		1566
982	sub find($) {	1567	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1569	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
995		1580
996	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
997	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
999	}	1590	}
1000	}	1591	}
1001	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1002		1606
1003	sub save($) {	1607	sub save($) {
1004	my ($pl) = @_;	1608	my ($pl) = @_;
1005		1609
1006	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1012		1616
1013	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1015		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1016	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1017	Coro::cede;	1626	cf::cede_to_tick;
1018	}	1627	}
1019		1628
1020	sub new($) {	1629	sub new($) {
1021	my ($login) = @_;	1630	my ($login) = @_;
1022		1631
…		…
1028	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1029		1638
1030	$self	1639	$self
1031	}	1640	}
1032		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1033	=item $pl->quit_character	1652	=item $pl->quit_character
1034		1653
1035	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1037		1656
…		…
1041	my ($pl) = @_;	1660	my ($pl) = @_;
1042		1661
1043	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1044		1663
1045	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1666
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1051	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1052		1675
1053	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1085		1708
1086	=cut	1709	=cut
1087		1710
1088	sub list_logins {	1711	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1713	or return [];
1091		1714
1092	my @logins;	1715	my @logins;
1093		1716
1094	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1098		1727
1099	utf8::decode $login;	1728	utf8::decode $login;
1100	push @logins, $login;	1729	push @logins, $login;
1101	}	1730	}
1102		1731
1103	\@logins	1732	\@logins
1104	}	1733	}
1105		1734
1106	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1107		1738
1108	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1109	player. May block.	1740	player. May block.
1110		1741
1111	=cut	1742	=cut
…		…
1129	}	1760	}
1130		1761
1131	\@paths	1762	\@paths
1132	}	1763	}
1133		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1134	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1135		1770
1136	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1137		1772
1138	=cut	1773	=cut
1139		1774
1140	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1142		1777
1143	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1779	}
1147		1780
1148	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1149		1782
1150	Sends an ext event to the client.	1783	Sends an ext event to the client.
1151		1784
1152	=cut	1785	=cut
1153		1786
1154	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1156		1789
1157	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1158	}	1791	}
1159		1792
1160	=head3 cf::region	1793	=head3 cf::region
1161		1794
1162	=over 4	1795	=over 4
…		…
1165		1798
1166	package cf::region;	1799	package cf::region;
1167		1800
1168	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1169		1802
1170	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1171		1804
1172	=cut	1805	=cut
1173		1806
1174	sub find_by_path($) {	1807	sub find_by_path($) {
1175	my ($path) = @_;	1808	my ($path) = @_;
1176		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1177	my ($match, $specificity);	1812	my ($match, $specificity);
1178		1813
1179	for my $region (list) {	1814	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1183	}	1818	}
1184	}	1819	}
1185		1820
…		…
1206	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1208		1843
1209	sub generate_random_map {	1844	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1211	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1850	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1234		1872
1235	sub register {	1873	sub register {
1236	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1875	my $pkg = caller;
1238		1876
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1878
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1880	}
1244		1881
1245	# also paths starting with '/'	1882	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1884
1248	sub thawer_merge {	1885	sub thawer_merge {
1249	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1250		1887
1251	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1252	local $self->{path};	1889	local $self->{path};
1253	local $self->{load_path};	1890	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1891
1257	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1258	}	1893	}
1259		1894
1260	sub normalise {	1895	sub normalise {
1261	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1262		1897
1263	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1264		1899
1265	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1266		1901
1267	# map plan:	1902	# map plan:
1268	#	1903	#
…		…
1307	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1308	return $self;	1943	return $self;
1309	}	1944	}
1310	}	1945	}
1311		1946
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1948	()
1314	}	1949	}
1315		1950
1316	sub init {	1951	sub init {
1317	my ($self) = @_;	1952	my ($self) = @_;
…		…
1332		1967
1333	# the original (read-only) location	1968	# the original (read-only) location
1334	sub load_path {	1969	sub load_path {
1335	my ($self) = @_;	1970	my ($self) = @_;
1336		1971
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1338	}	1973	}
1339		1974
1340	# the temporary/swap location	1975	# the temporary/swap location
1341	sub save_path {	1976	sub save_path {
1342	my ($self) = @_;	1977	my ($self) = @_;
1343		1978
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1346	}	1981	}
1347		1982
1348	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1349	sub uniq_path {	1984	sub uniq_path {
1350	my ($self) = @_;	1985	my ($self) = @_;
1351		1986
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1354	}	1989	}
1355		1990
1356	# and all this just because we cannot iterate over	1991	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1992	my ($self) = @_;
1360		1993
1361	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1363	}	1997	}
1364		1998
1365	sub unlink_save {	1999	sub unlink_save {
1366	my ($self) = @_;	2000	my ($self) = @_;
1367		2001
…		…
1372		2006
1373	sub load_header_from($) {	2007	sub load_header_from($) {
1374	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1375		2009
1376	utf8::encode $path;	2010	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1382		2019
1383	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1384		2021
1385	1	2022	1
1386	}	2023	}
…		…
1425	$self->load_header_orig	2062	$self->load_header_orig
1426	or return;	2063	or return;
1427	$self->prepare_orig;	2064	$self->prepare_orig;
1428	}	2065	}
1429		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
1430	$self->default_region (cf::region::find_by_path $self->{path})	2070	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2071	unless $self->default_region;
1432		2072
1433	1	2073	1
1434	}	2074	}
1435		2075
1436	sub find;	2076	sub find;
1437	sub find {	2077	sub find {
1438	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1439		2079
		2080	cf::cede_to_tick;
		2081
1440	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1441		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2086
1444	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1447	or return;	2089	or return;
1448		2090
1449	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1450		2092
1451	$map->load_header	2093	$map->load_header
1452	or return;	2094	or return;
1453		2095
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1457	$map->reset;	2101	$map->reset;
1458	undef $guard;
1459	return find $path;	2102	return find $path;
1460	}	2103	}
1461		2104
1462	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1463	}	2106	}
1464	}	2107	}
1465		2108
1466	sub pre_load { }	2109	sub pre_load { }
1467	sub post_load { }	2110	#sub post_load { } # XS
1468		2111
1469	sub load {	2112	sub load {
1470	my ($self) = @_;	2113	my ($self) = @_;
1471		2114
1472	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1473		2116
1474	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1476		2121
		2122	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2124
1479	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1480		2126
1481	$self->alloc;	2127	$self->alloc;
1482		2128
1483	$self->pre_load;	2129	$self->pre_load;
1484	Coro::cede;	2130	cf::cede_to_tick;
1485		2131
1486	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1487	or return;	2135	or return;
1488		2136
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1490	if delete $self->{load_original};	2138	if delete $self->{load_original};
1491		2139
1492	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2141	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2144	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1497	}	2148	}
1498	}	2149	}
1499		2150
1500	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1501	# now do the right thing for maps	2154	# now do the right thing for maps
1502	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2157	unless $self->difficulty;
1513	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1514	$self->activate;	2165	$self->activate;
1515	Coro::cede;	2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2172	}
1517		2173
1518	$self->post_load;	2174	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2175	}
1523		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2180	sub customise_for {
1525	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1526		2182
1527	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2184	if $self->per_player;
1529		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1530	$self	2189	$self
1531	}	2190	}
1532		2191
1533	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2193	sub load_neighbours {
1535	my ($map) = @_;	2194	my ($map) = @_;
1536		2195
1537	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1538		2197
1539	for (0 .. 3) {	2198	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1541	or next;	2200	or next;
1542	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1543	or next;	2202	or next;
1544	$neigh->load;	2203	$neigh->load;
1545		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2209	}
1549		2210
1550	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1552	or next;	2214	or next;
1553	$neigh->load;	2215	$neigh->load;
1554	}	2216	}
1555	}	2217	}
1556		2218
1557	sub find_sync {	2219	sub find_sync {
1558	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1559		2221
1560	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1561	}	2226	}
1562		2227
1563	sub do_load_sync {	2228	sub do_load_sync {
1564	my ($map) = @_;	2229	my ($map) = @_;
1565		2230
1566	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1567	}	2235	}
1568		2236
1569	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1571		2239
1572	sub find_async {	2240	sub find_async {
1573	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1574		2242
1575	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1576		2244
1577	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2247	}
1580		2248
1581	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1582	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1583	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2256	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2257	$map->load if $v;
		2258	}
1588		2259
1589	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1590	}	2261	}
1591	}	2262	}
1592	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1593	};	2264	};
1594	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1595		2266
1596	()	2267	()
1597	}	2268	}
1598		2269
		2270	# common code, used by both ->save and ->swapout
1599	sub save {	2271	sub _save {
1600	my ($self) = @_;	2272	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2273
1604	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1605		2275
1606	return unless $self->dirty;	2276	return unless $self->dirty;
1607		2277
…		…
1613	return if $self->{deny_save};	2283	return if $self->{deny_save};
1614		2284
1615	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1616		2286
1617	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1619	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1620		2293
1621	if ($uniq) {	2294	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2297	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2299	}
1627	}	2300	}
1628		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1629	sub swap_out {	2310	sub swap_out {
1630	my ($self) = @_;	2311	my ($self) = @_;
1631		2312
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1637	return if $self->players;	2317	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1641	$self->clear;	2328	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2329	}
1644		2330
1645	sub reset_at {	2331	sub reset_at {
1646	my ($self) = @_;	2332	my ($self) = @_;
1647		2333
1648	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1651		2336
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2339
…		…
1665	my ($self) = @_;	2350	my ($self) = @_;
1666		2351
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2353
1669	return if $self->players;	2354	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2355
1672	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1673		2357
1674	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1675		2359
1676	# need to save uniques path	2360	# need to save uniques path
1677	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2365	if $uniq;
1682	}	2366	}
1683		2367
1684	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1685		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2372	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2373
1690	$self->unlink_save;	2374	$self->unlink_save;
1691	$self->destroy;	2375	$self->destroy;
1692	}	2376	}
1693		2377
1694	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1695		2379
1696	sub nuke {	2380	sub nuke {
1697	my ($self) = @_;	2381	my ($self) = @_;
1698		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1699	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1700		2387
1701	$self->unlink_save;	2388	$self->unlink_save;
1702		2389
1703	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2395
1709	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1710		2398
1711	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1712	}	2436	}
1713		2437
1714	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1715		2439
1716	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2441	instantiated unique items. May block.
1718		2442
1719	=cut	2443	=cut
1720		2444
1721	sub unique_maps() {	2445	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1723	or return;	2447	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2448	utf8::decode $_;
1729	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2451	? ()
1732	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2454	]
1734
1735	\@paths
1736	}	2455	}
1737		2456
1738	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1739		2488
1740	=back	2489	=back
1741		2490
1742	=head3 cf::object	2491	=head3 cf::object
1743		2492
…		…
1747		2496
1748	=over 4	2497	=over 4
1749		2498
1750	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1751		2500
1752	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1753		2503
1754	=cut	2504	=cut
1755		2505
1756	sub inv_recursive_;	2506	sub inv_recursive_;
1757	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1760		2510
1761	sub inv_recursive {	2511	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1763	}	2513	}
1764		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1765	package cf;	2543	package cf;
1766		2544
1767	=back	2545	=back
1768		2546
1769	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1778		2556
1779	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1780		2572
1781	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2574	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1786		2578
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2580
1789	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1791	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1794	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1795	}	2606	}
1796		2607
1797	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1798		2609
1799	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1812		2623
1813	=item $player_object->enter_link	2624	=item $player_object->enter_link
1814		2625
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2627
1817	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1819		2632
1820	Will never block.	2633	Will never block.
1821		2634
1822	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1823		2636
…		…
1843	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2657	my ($self) = @_;
1845		2658
1846	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1847		2660
		2661	++$self->{_link_recursion};
		2662
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2664
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1852		2667
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2669	}
1855		2670
1856	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1858		2675
1859	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1860		2677
1861	unless ($map) {	2678	unless ($map) {
1862	# restore original map position	2679	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1875		2692
1876	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1879		2696
1880	$map->load;	2697	$map->load;
1881	$map->load_diag;	2698	$map->load_neighbours;
1882		2699
1883	return unless $self->contr->active;	2700	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2701
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1888	}	2704	# entering was successful
1889		2705	delete $self->{_link_recursion};
1890	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2707	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2708	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2709
1904	# try to abort aborted map switching on player login :)	2710	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2711
1922	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1924	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1925		2726
1926	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2738
1929	$self->enter_link;	2739	$self->enter_link;
1930		2740
1931	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1932	my $map = eval {	2763	my $map = eval {
1933	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1935	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2779	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1940	})->prio (1);	2787	})->prio (1);
1941	}	2788	}
1942		2789
1943	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1944		2791
…		…
1964	}	2811	}
1965		2812
1966	sub prepare_random_map {	2813	sub prepare_random_map {
1967	my ($exit) = @_;	2814	my ($exit) = @_;
1968		2815
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2818	# that depends on the exit object
1974		2819
1975	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2822	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1982	}	2829	}
1983		2830
1984	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1985		2832
1986	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1989		2836
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2839	undef $fh;
1993	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1994		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1997	}	2848	}
1998	}	2849	}
1999		2850
2000	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2002		2853
2003	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2004		2855
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2856	$self->enter_link;
2017		2857
2018	(async {	2858	(async {
2019	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2020	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2021	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2022		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2023	1;	2882	1
2024	}) {	2883	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2888
2030	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2890	$self->leave_link;
2032	}	2891	}
2033	})->prio (1);	2892	})->prio (1);
2034	}	2893	}
2035		2894
…		…
2049		2908
2050	utf8::encode $text;	2909	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2911	}
2053		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2054	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2055		3101
2056	Sends an exti event to the client.	3102	Sends an ext event to the client.
2057		3103
2058	=cut	3104	=cut
2059		3105
2060	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2062		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2065	}	3133	}
2066		3134
2067	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2068		3136
2069	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3140
2073	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3142	become reliable at some point in the future.
2075		3143
2076	=cut	3144	=cut
2077		3145
2078	sub cf::client::query {	3146	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3155	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3157
2090	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2092	}	3162	}
2093		3163
2094	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2095	on_reply => sub {	3170	on_reply => sub {
2096	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2097		3172
2098	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2099	# get handled first	3174	# get handled first
…		…
2111	} else {	3186	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3188	}
2114	}	3189	}
2115	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2116	);	3217	);
2117		3218
2118	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2119		3220
2120	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3237
2137	$coro	3238	$coro
2138	}	3239	}
2139		3240
2140	cf::client->attach (	3241	cf::client->attach (
2141	on_destroy => sub {	3242	on_client_destroy => sub {
2142	my ($ns) = @_;	3243	my ($ns) = @_;
2143		3244
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3246	},
2146	);	3247	);
…		…
2161	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2163		3264
2164	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2165		3266
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2167		3272
2168	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2169		3274
2170	=pod	3275	=pod
2171		3276
2172	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2173		3278
2174	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2175	cf::object::player player	3284	cf::object::player
2176	cf::player peaceful	3285	player
2177	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2178		3292
2179	=cut	3293	=cut
2180		3294
2181	for (	3295	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2186	) {	3302	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3305	for @funs;
2191	}	3306	}
2192		3307
…		…
2207		3322
2208	my $qcode = $code;	3323	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2211		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2212	local $_;	3330	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3331
2215	my $eval =	3332	my $eval =
2216	"do {\n"	3333	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3336	. $code
2220	. "\n}"	3337	. "\n}"
2221	;	3338	;
2222		3339
		3340	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2226		3349
2227	if ($@) {	3350	if ($@) {
2228	warn "$@";	3351	warn "$@",
2229	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2231	}	3354	}
2232		3355
2233	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2234	}	3357	}
2235		3358
…		…
2249	=cut	3372	=cut
2250		3373
2251	sub register_script_function {	3374	sub register_script_function {
2252	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2253		3376
2254	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2256	}	3379	}
2257		3380
2258	=back	3381	=back
2259		3382
2260	=cut	3383	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3384
2334	#############################################################################	3385	#############################################################################
2335	# the server's init and main functions	3386	# the server's init and main functions
2336		3387
2337	sub load_facedata($) {	3388	sub load_facedata($) {
2338	my ($path) = @_;	3389	my ($path) = @_;
2339		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2340	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2341		3398
2342	my $facedata;
2343	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2344	or die "$path: $!";	3400	or die "$path: $!";
2345		3401
2346	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2347		3403
2348	$facedata->{version} == 2	3404	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2351	{	3416	{
2352	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2353		3418
2354	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3426
		3427	cf::cede_to_tick;
2360	}	3428	}
2361		3429
2362	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2364	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2365	or next;	3434	or next;
		3435
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3439	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3441	}
2371	Coro::cede;	3442
		3443	cf::cede_to_tick;
2372	}	3444	}
2373	}	3445	}
2374		3446
2375	{	3447	{
2376	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2377		3449
2378	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3452	cf::cede_to_tick;
2381	}	3453	}
2382		3454
2383	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2384	}	3456	}
2385		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2386	1	3477	1
2387	}	3478	}
2388		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
2389	sub reload_facedata {	3512	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3513	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
2392	}	3515	}
2393		3516
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3517	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3518	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2402	}	3520	}
2403		3521
2404	sub reload_treasures {	3522	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3523	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2407	}	3525	}
2408		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2409	sub reload_resources {	3550	sub reload_resources {
2410	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2411		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2412	reload_regions;	3558	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3559	reload_treasures;
2416		3560
2417	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2418	}	3562	}
2419		3563
2420	sub init {	3564	sub reload_config {
2421	reload_resources;	3565	trace "reloading config file...\n";
2422	}
2423		3566
2424	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3568	or die "$CONFDIR/config: $!";
2426	or return;
2427		3569
2428	local $/;	3570	utf8::decode $config;
2429	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2430		3572
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3574
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3577
2436	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2440	};	3582	};
2441	warn $@ if $@;	3583	warn $@ if $@;
2442	}	3584	}
2443	}	3585	}
2444		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2445	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2446	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3628	(async {
2450	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2452	};	3632	};
2453		3633
2454	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2455	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2456	load_extensions;	3657	load_extensions;
2457		3658
2458	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2460	}	3677	}
2461		3678
2462	#############################################################################	3679	#############################################################################
2463	# initialisation and cleanup	3680	# initialisation and cleanup
2464		3681
2465	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2466	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2475	},
2476	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2477	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2478	}	3778	}
2479		3779
2480	sub emergency_save() {	3780	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2482		3782
2483	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2484		3789
2485	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2486	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3801	$pl->save;
2494	}	3802	}
2495	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2496		3804
2497	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3810	$map->valid or next;
2501	$map->save;	3811	$map->save;
2502	}	3812	}
2503	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2504		3814
2505	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2508	};	3843	};
2509		3844
2510	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2511	}	3846	}
2512		3847
2513	sub post_cleanup {	3848	sub post_cleanup {
2514	my ($make_core) = @_;	3849	my ($make_core) = @_;
2515		3850
		3851	IO::AIO::flush;
		3852
2516	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2518	}	3883	}
2519		3884
2520	sub do_reload_perl() {	3885	sub do_reload_perl() {
2521	# can/must only be called in main	3886	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2523	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2524	return;	3889	return;
2525	}	3890	}
2526		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2527	warn "reloading...";	3898	info "reloading...";
2528		3899
2529	warn "entering sync_job";	3900	trace "entering sync_job";
2530		3901
2531	cf::sync_job {	3902	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	3903	#cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		3904
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	3907	%EXT_CORO = ();
2560		3908
2561	warn "removing commands";	3909	trace "removing commands";
2562	%COMMAND = ();	3910	%COMMAND = ();
2563		3911
2564	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2565	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2566		3915
2567	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2570		3919
2571	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2572	eval {	3921	eval {
2573	$cb->($pkg);	3922	$cb->($pkg);
2574	1	3923	1
2575	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2576	}	3929	}
2577		3930
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3934
2586	warn "... unloading $k";	3935	trace "... unloading $k";
2587	delete $INC{$k};	3936	delete $INC{$k};
2588		3937
2589	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2591		3940
2592	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2594	}	3946	}
2595		3947
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3951
2603	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3955
2606	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3957	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2609		3959
2610	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2611		3961
2612	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2613	require cf;	3963	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2615		3965
2616	warn "loading config and database again";	3966	trace "loading config and database again";
2617	cf::cfg_load;	3967	cf::reload_config;
2618		3968
2619	warn "loading extensions";	3969	trace "loading extensions";
2620	cf::load_extensions;	3970	cf::load_extensions;
2621		3971
		3972	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2628		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2629	warn "leaving sync_job";	3984	trace "leaving sync_job";
2630		3985
2631	1	3986	1
2632	} or do {	3987	} or do {
2633	warn $@;	3988	error $@;
2634	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2635	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2636	};	3994	}
2637		3995
2638	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2639	};	3998	};
2640		3999
2641	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2642		4001
2643	sub reload_perl() {	4002	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2646		4005
2647	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4008
2650	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4010	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2654	},	4012	};
2655	);	4013	};
2656	}	4014	}
2657		4015
2658	register_command "reload" => sub {	4016	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2660		4018
2661	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4023	reload_perl;
		4024	};
2664	}	4025	}
2665	};	4026	};
2666		4027
2667	unshift @INC, $LIBDIR;	4028	#############################################################################
2668		4029
2669	my $bug_warning = 0;	4030	my $bug_warning = 0;
2670		4031
2671	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2673		4034
2674	sub wait_for_tick {	4035	sub wait_for_tick() {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4037
2678	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	4040	$signal->wait;
2681	}	4041	}
2682		4042
2683	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		4045
2687	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4048	$signal->wait;
2690	}	4049	}
2691		4050
2692	$TICK_WATCHER = Event->timer (	4051	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2702	return;	4055	return;
2703	}	4056	}
2704		4057
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2708		4059
2709	$RUNTIME += $TICK;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		4061
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4066	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4068	};
		4069	}
2719		4070
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4072	$sig->send;
2731	}	4073	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	4075	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4076	}
2738	);	4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
2739		4089
2740	{	4090	{
2741	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4092
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2751		4094	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4096
2767	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4104
2770	cf::sync_job {	4105	cf::sync_job {
2771	eval {	4106	eval {
2772	BDB::db_env_open	4107	BDB::db_env_open
2773	$DB_ENV,	4108	$DB_ENV,
2774	$BDB_ENV_DIR,	4109	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4112	0666;
2778		4113
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4115	};
2784		4116
2785	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4118	};
2787	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2788	}	4130	}
2789		4131
2790	{	4132	{
		4133	# configure IO::AIO
		4134
2791	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4138	}
		4139
		4140	my $_log_backtrace;
		4141
		4142	sub _log_backtrace {
		4143	my ($msg, @addr) = @_;
		4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
		4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2804		4185
2805	END { cf::emergency_save }	4186	END { cf::emergency_save }
2806		4187
2807	1	4188	1
2808		4189

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