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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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 3.52 ();	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;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	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;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	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;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	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.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	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	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		300
169	# 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
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$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;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	388	=item cf::lock_wait $string
224		389
225	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
226		391
227	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
228		393
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
232	returned.	397	returned.
233		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
234	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
235	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
236		404
237	=cut	405	=item $locked = cf::lock_active $string
238		406
239	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
240		412
241	sub lock_wait($) {	413	sub lock_wait($) {
242	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	415	}
250		416
251	sub lock_acquire($) {	417	sub lock_acquire($) {
252	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
253		420
254	# wait, to be sure we are not locked	421	sub lock_active($) {
255	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	423	}
264		424
265	sub freeze_mainloop {	425	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
267		427
268	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
270	};	495	}
271	$TICK_WATCHER->stop;	496	};
272	$guard	497
		498	sub get_slot($;$$) {
		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	$sig->wait;
273	}	511	}
274		512
275	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
276		514
277	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		520
283	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
284		522
285	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
286		524
287	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
290		529
291	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
294	fast or be very important.	533	fast or be very important.
…		…
296	=cut	535	=cut
297		536
298	sub sync_job(&) {	537	sub sync_job(&) {
299	my ($job) = @_;	538	my ($job) = @_;
300		539
301	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
302	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
304		545
305	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	547
307	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
308		549
309	my $busy = 1;	550	my $busy = 1;
310	my @res;	551	my @res;
311		552
312	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	555	@res = eval { $job->() };
314	warn $@ if $@;	556	error $@ if $@;
315	undef $busy;	557	undef $busy;
316	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
317		559
318	while ($busy) {	560	while ($busy) {
319	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
320	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
321		571
322	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
323	} else {	573	} else {
324	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
325		575
…		…
345	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
346		596
347	$coro	597	$coro
348	}	598	}
349		599
350	sub write_runtime {	600	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		601
353	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.
354		606
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	607	=cut
356	or return;
357		608
358	my $value = $cf::RUNTIME + 90 + 10;	609	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	610	reset_signals;
360	# 60 allows for the watchdog to kill the server.	611	}
361		612
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	613	sub fork_call(&@) {
363	and return;	614	my ($cb, @args) = @_;
364		615
365	# always fsync - this file is important	616	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	617	# otherwise perl prematurely frees the stuff :/
367	and return;	618	# TODO: investigate and fix (likely this will be rather laborious)
368		619
369	close $fh	620	my @res = Coro::Util::fork_eval {
370	or return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
371		624
372	aio_rename "$runtime~", $runtime	625	wantarray ? @res : $res[-1]
373	and return;	626	}
374		627
		628	sub objinfo {
375	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"
376	}	793	}
377		794
378	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
379		796
380	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.
381		798
382	=cut	799	=cut
383		800
384	sub datalog($@) {	801	sub datalog($@) {
385	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	804	}
388		805
389	=back	806	=back
390		807
391	=cut	808	=cut
392		809
393	#############################################################################	810	#############################################################################
394		811
395	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
396		813
397	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
398	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")
399	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
400		817
401	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>
402	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
403	crossfire+).	820	Deliantra).
404		821
405	=over 4	822	=over 4
406		823
407	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
408		825
…		…
452	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
453		870
454	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
456		873
457	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		876
460	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
461		878
462	=over 4	879	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
572		989
573	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		994
578	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	996	my $pkg = shift @arg;
580		997
581	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
586		1003
587	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1006
590	} elsif (ref $type) {	1007	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
592		1009
593	} else {	1010	} else {
594	shift @arg;	1011	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
596	}	1013	}
597	}	1014	}
598	}	1015	}
599		1016
600	sub _object_attach {	1017	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
611	}	1028	}
612		1029
613	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
614	} else {	1031	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1033	}
617		1034
618	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
619	}	1036	}
620		1037
…		…
622	if (ref $_[0]) {	1039	if (ref $_[0]) {
623	_object_attach @_;	1040	_object_attach @_;
624	} else {	1041	} else {
625	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
626	}	1043	}
		1044	_recalc_want;
627	};	1045	};
628		1046
629	# all those should be optimised	1047	# all those should be optimised
630	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1053	reattach ($obj);
636	} else {	1054	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
638	}	1056	}
		1057	_recalc_want;
639	};	1058	};
640		1059
641	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
643		1062
…		…
658	";	1077	";
659	die if $@;	1078	die if $@;
660	}	1079	}
661		1080
662	our $override;	1081	our $override;
663	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?
664		1083
665	sub override {	1084	sub override {
666	$override = 1;	1085	$override = 1;
667	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
668	}	1087	}
669		1088
670	sub do_invoke {	1089	sub do_invoke {
671	my $event = shift;	1090	my $event = shift;
672	my $callbacks = shift;	1091	my $callbacks = shift;
673		1092
674	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
675		1094
676	local $override;	1095	local $override;
677		1096
678	for (@$callbacks) {	1097	for (@$callbacks) {
679	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
680		1099
681	if ($@) {	1100	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1102	override;
685	}	1103	}
686		1104
687	return 1 if $override;	1105	return 1 if $override;
688	}	1106	}
689		1107
690	0	1108	0
691	}	1109	}
692		1110
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1112
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1114
697	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
698		1116
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1120
703	=back	1121	=back
704		1122
705	=cut	1123	=cut
706		1124
707	#############################################################################	1125	#############################################################################
708	# 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, $ob2
		1168	}
709		1169
710	sub reattach {	1170	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1172	my ($obj) = @_;
713		1173
		1174	# no longer needed after getting rid of delete_package?
714	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
715		1176
716	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
717		1178
718	@$registry = ();	1179	@$registry = ();
719		1180
…		…
724	for (@$attach) {	1185	for (@$attach) {
725	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
727	}	1188	}
728	} else {	1189	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1191	}
731	}	1192	}
732	}	1193	}
733		1194
734	cf::attachable->attach (	1195	cf::attachable->attach (
735	prio => -1000000,	1196	prio => -1000000,
736	on_instantiate => sub {	1197	on_instantiate => sub {
737	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
738		1199
739	$data = from_json $data;	1200	$data = decode_json $data;
740		1201
741	for (@$data) {	1202	for (@$data) {
742	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
743		1204
744	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1221	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
762		1223
763	sync_job {	1224	sync_job {
764	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
767		1230
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1238	aio_close $fh;
773		1239
774	if (@$objs) {	1240	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1249	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
782	}	1251	}
783	} else {	1252	} else {
784	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
785	}	1254	}
786		1255
787	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1260	} else {
789	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
790	}	1262	}
791	} else {	1263	} else {
792	aio_unlink $filename;	1264	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
794	}	1266	}
795	}	1267	};
796	}	1268	}
797		1269
798	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
800		1272
…		…
812	or return;	1284	or return;
813		1285
814	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
816	or return;	1288	or return;
		1289
817	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
818	}	1292	}
819		1293
		1294	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
822	return ($data, $av);	1299	($data, $av)
823	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
824		1307
825	#############################################################################	1308	#############################################################################
826	# command handling &c	1309	# command handling &c
827		1310
828	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1325	}
843		1326
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1328
846	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.
847		1334
848	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
849	called.	1336	called.
850		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
851	=cut	1349	=cut
852		1350
853	sub register_extcmd {	1351	sub register_extcmd {
854	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
855		1353
856	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
857	}	1355	}
858		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
859	cf::player->attach (	1365	cf::player->attach (
860	on_command => sub {	1366	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
862		1368
863	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
864	or return;	1370	or return;
865		1371
…		…
870	cf::override;	1376	cf::override;
871	},	1377	},
872	on_extcmd => sub {	1378	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
874		1380
875	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1382
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
883	} else {	1398	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1400	}
886		1401
887	cf::override;	1402	cf::override;
888	},	1403	},
889	);	1404	);
890		1405
		1406	# "readahead" all extensions
891	sub load_extension {	1407	sub cache_extensions {
892	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
893		1409
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1413	}
919	die $@;
920	}	1414	};
921		1415
922	push @EXTS, $pkg;	1416	$grp
923	}	1417	}
924		1418
925	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
926	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1426	next unless -r $path;
928	eval {	1427
929	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 $active;
		1490	}
930	1	1491	}
931	} or warn "$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	}
932	}	1502	};
933	}	1503	}
934		1504
935	#############################################################################	1505	#############################################################################
936		1506
		1507	=back
		1508
937	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
938		1510
939	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
940		1512
941	=cut	1513	=cut
942		1514
943	package cf::player;	1515	package cf::player;
944		1516
…		…
946		1518
947	=head3 cf::player	1519	=head3 cf::player
948		1520
949	=over 4	1521	=over 4
950		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
951	=item cf::player::find $login	1537	=item cf::player::find $login
952		1538
953	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
954		1540
955	=cut	1541	=cut
956		1542
957	sub playerdir($) {	1543	sub playerdir($) {
958	cf::localdir	1544	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1546	}
964		1547
965	sub path($) {	1548	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1559
977	sub exists($) {	1560	sub exists($) {
978	my ($login) = @_;	1561	my ($login) = @_;
979		1562
980	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
982	}	1565	}
983		1566
984	sub find($) {	1567	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1569	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
997		1580
998	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1001	}	1590	}
1002	}	1591	}
1003	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($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	);
1004		1606
1005	sub save($) {	1607	sub save($) {
1006	my ($pl) = @_;	1608	my ($pl) = @_;
1007		1609
1008	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1014		1616
1015	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1017		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
1018	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1019	Coro::cede;	1626	cf::cede_to_tick;
1020	}	1627	}
1021		1628
1022	sub new($) {	1629	sub new($) {
1023	my ($login) = @_;	1630	my ($login) = @_;
1024		1631
…		…
1030	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1031		1638
1032	$self	1639	$self
1033	}	1640	}
1034		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
1035	=item $pl->quit_character	1652	=item $pl->quit_character
1036		1653
1037	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1039		1656
…		…
1043	my ($pl) = @_;	1660	my ($pl) = @_;
1044		1661
1045	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1046		1663
1047	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1048	$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
1049		1666
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1054		1675
1055	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1087		1708
1088	=cut	1709	=cut
1089		1710
1090	sub list_logins {	1711	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1713	or return [];
1093		1714
1094	my @logins;	1715	my @logins;
1095		1716
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1100		1727
1101	utf8::decode $login;	1728	utf8::decode $login;
1102	push @logins, $login;	1729	push @logins, $login;
1103	}	1730	}
1104		1731
1105	\@logins	1732	\@logins
1106	}	1733	}
1107		1734
1108	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1109		1738
1110	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1111	player. May block.	1740	player. May block.
1112		1741
1113	=cut	1742	=cut
…		…
1131	}	1760	}
1132		1761
1133	\@paths	1762	\@paths
1134	}	1763	}
1135		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1136	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1137		1770
1138	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1139		1772
1140	=cut	1773	=cut
1141		1774
1142	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1144		1777
1145	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1779	}
1149		1780
1150	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1151		1782
1152	Sends an ext event to the client.	1783	Sends an ext event to the client.
1153		1784
1154	=cut	1785	=cut
1155		1786
1156	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1158		1789
1159	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1160	}	1791	}
1161		1792
1162	package cf;	1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1163		1823
1164	=back	1824	=back
1165
1166		1825
1167	=head3 cf::map	1826	=head3 cf::map
1168		1827
1169	=over 4	1828	=over 4
1170		1829
…		…
1182	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1184		1843
1185	sub generate_random_map {	1844	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1850	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1210		1872
1211	sub register {	1873	sub register {
1212	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1875	my $pkg = caller;
1214		1876
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1878
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1880	}
1220		1881
1221	# also paths starting with '/'	1882	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1884
1224	sub thawer_merge {	1885	sub thawer_merge {
1225	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1226		1887
1227	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1228	local $self->{path};	1889	local $self->{path};
1229	local $self->{load_path};	1890	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1891
1233	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1234	}	1893	}
1235		1894
1236	sub normalise {	1895	sub normalise {
1237	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1238		1897
1239	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1240		1899
1241	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1242		1901
1243	# map plan:	1902	# map plan:
1244	#	1903	#
…		…
1283	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1284	return $self;	1943	return $self;
1285	}	1944	}
1286	}	1945	}
1287		1946
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1289	()	1948	()
1290	}	1949	}
1291		1950
1292	sub init {	1951	sub init {
1293	my ($self) = @_;	1952	my ($self) = @_;
…		…
1308		1967
1309	# the original (read-only) location	1968	# the original (read-only) location
1310	sub load_path {	1969	sub load_path {
1311	my ($self) = @_;	1970	my ($self) = @_;
1312		1971
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1314	}	1973	}
1315		1974
1316	# the temporary/swap location	1975	# the temporary/swap location
1317	sub save_path {	1976	sub save_path {
1318	my ($self) = @_;	1977	my ($self) = @_;
1319		1978
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1322	}	1981	}
1323		1982
1324	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1325	sub uniq_path {	1984	sub uniq_path {
1326	my ($self) = @_;	1985	my ($self) = @_;
1327		1986
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1330	}	1989	}
1331		1990
1332	# and all this just because we cannot iterate over	1991	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1992	my ($self) = @_;
1336		1993
1337	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1339	}	1997	}
1340		1998
1341	sub unlink_save {	1999	sub unlink_save {
1342	my ($self) = @_;	2000	my ($self) = @_;
1343		2001
…		…
1348		2006
1349	sub load_header_from($) {	2007	sub load_header_from($) {
1350	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1351		2009
1352	utf8::encode $path;	2010	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		2019
1359	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1360		2021
1361	1	2022	1
1362	}	2023	}
…		…
1401	$self->load_header_orig	2062	$self->load_header_orig
1402	or return;	2063	or return;
1403	$self->prepare_orig;	2064	$self->prepare_orig;
1404	}	2065	}
1405		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
1406	1	2073	1
1407	}	2074	}
1408		2075
1409	sub find;	2076	sub find;
1410	sub find {	2077	sub find {
1411	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1412		2079
		2080	cf::cede_to_tick;
		2081
1413	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1414		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2086
1417	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1420	or return;	2089	or return;
1421		2090
1422	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1423		2092
1424	$map->load_header	2093	$map->load_header
1425	or return;	2094	or return;
1426		2095
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1430	$map->reset;	2101	$map->reset;
1431	undef $guard;
1432	return find $path;	2102	return find $path;
1433	}	2103	}
1434		2104
1435	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1436	}	2106	}
1437	}	2107	}
1438		2108
1439	sub pre_load { }	2109	sub pre_load { }
1440	sub post_load { }	2110	#sub post_load { } # XS
1441		2111
1442	sub load {	2112	sub load {
1443	my ($self) = @_;	2113	my ($self) = @_;
1444		2114
1445	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1446		2116
1447	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1449		2121
		2122	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2124
1452	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1453		2126
1454	$self->alloc;	2127	$self->alloc;
1455		2128
1456	$self->pre_load;	2129	$self->pre_load;
		2130	cf::cede_to_tick;
1457		2131
1458	$self->_load_objects ($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)
1459	or return;	2135	or return;
1460		2136
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1462	if delete $self->{load_original};	2138	if delete $self->{load_original};
1463		2139
1464	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2141	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2144	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1469	}	2148	}
1470	}	2149	}
1471		2150
1472	Coro::cede;	2151	$f->resolve_delayed_derefs;
1473		2152
		2153	cf::cede_to_tick;
1474	# now do the right thing for maps	2154	# now do the right thing for maps
1475	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2157	unless $self->difficulty;
1485	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1486	$self->activate;	2165	$self->activate;
		2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2172	}
1488		2173
1489	$self->post_load;	2174	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2175	}
1493		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2180	sub customise_for {
1495	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1496		2182
1497	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2184	if $self->per_player;
1499		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1500	$self	2189	$self
1501	}	2190	}
1502		2191
1503	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2193	sub load_neighbours {
1505	my ($map) = @_;	2194	my ($map) = @_;
1506		2195
1507	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1508		2197
1509	for (0 .. 3) {	2198	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1511	or next;	2200	or next;
1512	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1513	or next;	2202	or next;
1514	$neigh->load;	2203	$neigh->load;
1515		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2209	}
1519		2210
1520	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1522	or next;	2214	or next;
1523	$neigh->load;	2215	$neigh->load;
1524	}	2216	}
1525	}	2217	}
1526		2218
1527	sub find_sync {	2219	sub find_sync {
1528	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1529		2221
1530	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, $origin
1531	}	2226	}
1532		2227
1533	sub do_load_sync {	2228	sub do_load_sync {
1534	my ($map) = @_;	2229	my ($map) = @_;
1535		2230
1536	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;
1537	}	2235	}
1538		2236
1539	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1541		2239
1542	sub find_async {	2240	sub find_async {
1543	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1544		2242
1545	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1546		2244
1547	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2247	}
1550		2248
1551	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1552	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1553	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2256	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2257	$map->load if $v;
		2258	}
1558		2259
1559	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1560	}	2261	}
1561	}	2262	}
1562	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1563	};	2264	};
1564	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1565		2266
1566	()	2267	()
1567	}	2268	}
1568		2269
		2270	# common code, used by both ->save and ->swapout
1569	sub save {	2271	sub _save {
1570	my ($self) = @_;	2272	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2273
1574	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1575		2275
1576	return unless $self->dirty;	2276	return unless $self->dirty;
1577		2277
…		…
1583	return if $self->{deny_save};	2283	return if $self->{deny_save};
1584		2284
1585	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1586		2286
1587	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1589	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1590		2293
1591	if ($uniq) {	2294	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2297	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2299	}
1597	}	2300	}
1598		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1599	sub swap_out {	2310	sub swap_out {
1600	my ($self) = @_;	2311	my ($self) = @_;
1601		2312
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1607	return if $self->players;	2317	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		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
1611	$self->clear;	2328	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2329	}
1614		2330
1615	sub reset_at {	2331	sub reset_at {
1616	my ($self) = @_;	2332	my ($self) = @_;
1617		2333
1618	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1621		2336
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2339
…		…
1635	my ($self) = @_;	2350	my ($self) = @_;
1636		2351
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2353
1639	return if $self->players;	2354	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2355
1642	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1643		2357
1644	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1645		2359
1646	# need to save uniques path	2360	# need to save uniques path
1647	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2365	if $uniq;
1652	}	2366	}
1653		2367
1654	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1655		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2372	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2373
1660	$self->unlink_save;	2374	$self->unlink_save;
1661	$self->destroy;	2375	$self->destroy;
1662	}	2376	}
1663		2377
1664	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1665		2379
1666	sub nuke {	2380	sub nuke {
1667	my ($self) = @_;	2381	my ($self) = @_;
1668		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1669	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1670		2387
1671	$self->unlink_save;	2388	$self->unlink_save;
1672		2389
1673	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2395
1679	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1680		2398
1681	$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	]
1682	}	2436	}
1683		2437
1684	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1685		2439
1686	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2441	instantiated unique items. May block.
1688		2442
1689	=cut	2443	=cut
1690		2444
1691	sub unique_maps() {	2445	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1693	or return;	2447	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2448	utf8::decode $_;
1699	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2451	? ()
1702	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2454	]
1704
1705	\@paths
1706	}	2455	}
1707		2456
1708	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	}
1709		2488
1710	=back	2489	=back
1711		2490
1712	=head3 cf::object	2491	=head3 cf::object
1713		2492
…		…
1717		2496
1718	=over 4	2497	=over 4
1719		2498
1720	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1721		2500
1722	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.
1723		2503
1724	=cut	2504	=cut
1725		2505
1726	sub inv_recursive_;	2506	sub inv_recursive_;
1727	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1730		2510
1731	sub inv_recursive {	2511	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1733	}	2513	}
1734		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
1735	package cf;	2543	package cf;
1736		2544
1737	=back	2545	=back
1738		2546
1739	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1748		2556
1749	=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	};
1750		2572
1751	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2574	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1756		2578
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2580
1759	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1764	}	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 (@_);
1765	}	2606	}
1766		2607
1767	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1768		2609
1769	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1782		2623
1783	=item $player_object->enter_link	2624	=item $player_object->enter_link
1784		2625
1785	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}>).
1786		2627
1787	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.
1788	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.
1789		2632
1790	Will never block.	2633	Will never block.
1791		2634
1792	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1793		2636
…		…
1813	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2657	my ($self) = @_;
1815		2658
1816	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1817		2660
		2661	++$self->{_link_recursion};
		2662
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2664
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1822		2667
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2669	}
1825		2670
1826	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1828		2675
1829	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1830		2677
1831	unless ($map) {	2678	unless ($map) {
1832	# restore original map position	2679	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1845		2692
1846	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1849		2696
1850	$map->load;	2697	$map->load;
1851	$map->load_diag;	2698	$map->load_neighbours;
1852		2699
1853	return unless $self->contr->active;	2700	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2701
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1858	}	2704	# entering was successful
1859		2705	delete $self->{_link_recursion};
1860	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2707	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2708	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2709
1874	# try to abort aborted map switching on player login :)	2710	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2711
1892	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		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
1894	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1895		2726
1896	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1897	my ($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;
1898		2738
1899	$self->enter_link;	2739	$self->enter_link;
1900		2740
1901	(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
1902	my $map = eval {	2763	my $map = eval {
1903	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2779	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1910	})->prio (1);	2787	})->prio (1);
1911	}	2788	}
1912		2789
1913	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1914		2791
…		…
1934	}	2811	}
1935		2812
1936	sub prepare_random_map {	2813	sub prepare_random_map {
1937	my ($exit) = @_;	2814	my ($exit) = @_;
1938		2815
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2818	# that depends on the exit object
1944		2819
1945	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2822	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1952	}	2829	}
1953		2830
1954	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1955		2832
1956	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1959		2836
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2839	undef $fh;
1963	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1964		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1967	}	2848	}
1968	}	2849	}
1969		2850
1970	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
1972		2853
1973	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1974		2855
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2856	$self->enter_link;
1987		2857
1988	(async {	2858	(async {
1989	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1990	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
1991	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
1992		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
1993	1;	2882	1
1994	}) {	2883	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "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. "
1997	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2888
2000	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2890	$self->leave_link;
2002	}	2891	}
2003	})->prio (1);	2892	})->prio (1);
2004	}	2893	}
2005		2894
…		…
2019		2908
2020	utf8::encode $text;	2909	utf8::encode $text;
2021	$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);
2022	}	2911	}
2023		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
2024	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2025		3101
2026	Sends an exti event to the client.	3102	Sends an ext event to the client.
2027		3103
2028	=cut	3104	=cut
2029		3105
2030	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2032		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2034	$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	}
2035	}	3133	}
2036		3134
2037	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2038		3136
2039	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2040	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>,
2041	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>.
2042		3140
2043	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
2044	reliable at some point in the future.	3142	become reliable at some point in the future.
2045		3143
2046	=cut	3144	=cut
2047		3145
2048	sub cf::client::query {	3146	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3155	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3157
2060	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2062	}	3162	}
2063		3163
2064	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	},
2065	on_reply => sub {	3170	on_reply => sub {
2066	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2067		3172
2068	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2069	# get handled first	3174	# get handled first
…		…
2081	} else {	3186	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3188	}
2084	}	3189	}
2085	},	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	},
2086	);	3217	);
2087		3218
2088	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2089		3220
2090	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3237
2107	$coro	3238	$coro
2108	}	3239	}
2109		3240
2110	cf::client->attach (	3241	cf::client->attach (
2111	on_destroy => sub {	3242	on_client_destroy => sub {
2112	my ($ns) = @_;	3243	my ($ns) = @_;
2113		3244
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3246	},
2116	);	3247	);
…		…
2131	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2133		3264
2134	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2135		3266
2136	$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	));
2137		3272
2138	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2139		3274
2140	=pod	3275	=pod
2141		3276
2142	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2143		3278
2144	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
2145	cf::object::player player	3284	cf::object::player
2146	cf::player peaceful	3285	player
2147	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2148		3292
2149	=cut	3293	=cut
2150		3294
2151	for (	3295	for (
2152	["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)],
2153	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2156	) {	3302	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3305	for @funs;
2161	}	3306	}
2162		3307
…		…
2177		3322
2178	my $qcode = $code;	3323	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2181		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2182	local $_;	3330	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3331
2185	my $eval =	3332	my $eval =
2186	"do {\n"	3333	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3336	. $code
2190	. "\n}"	3337	. "\n}"
2191	;	3338	;
2192		3339
		3340	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	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	}
2196		3349
2197	if ($@) {	3350	if ($@) {
2198	warn "$@";	3351	warn "$@",
2199	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2201	}	3354	}
2202		3355
2203	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2204	}	3357	}
2205		3358
…		…
2219	=cut	3372	=cut
2220		3373
2221	sub register_script_function {	3374	sub register_script_function {
2222	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2223		3376
2224	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2226	}	3379	}
2227		3380
2228	=back	3381	=back
2229		3382
2230	=cut	3383	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3384
2304	#############################################################################	3385	#############################################################################
2305	# the server's init and main functions	3386	# the server's init and main functions
2306		3387
2307	sub load_facedata {	3388	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3389	my ($path) = @_;
2309		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
2310	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2311		3398
2312	my $faces;
2313	0 < aio_load $path, $faces	3399	0 < aio_load $path, my $facedata
2314	or die "$path: $!";	3400	or die "$path: $!";
2315		3401
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3402	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3403
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3404	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		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
		3416	{
		3417	my $faces = $facedata->{faceinfo};
		3418
2324	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3421
		3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2329	Coro::cede;
2330	}
2331		3426
		3427	cf::cede_to_tick;
		3428	}
		3429
2332	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2334	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
		3434	or next;
		3435
		3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		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
		3477	1
		3478	}
		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
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		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}[$_]
2335	or next;	3537	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2338	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}
2341	Coro::cede;
2342	}
2343		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
2344	1	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	}
2345	}	3548	}
2346		3549
2347	sub reload_resources {	3550	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3551	trace "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3552
		3553	reload_exp_table;
		3554	reload_materials;
2350	load_facedata	3555	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3556	reload_sound;
2352	}	3557	reload_archetypes;
2353
2354	sub init {
2355	reload_resources;	3558	reload_regions;
2356	}	3559	reload_treasures;
2357		3560
2358	sub cfg_load {	3561	trace "finished reloading resource files\n";
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3562	}
2360	or return;
2361		3563
2362	local $/;	3564	sub reload_config {
2363	*CFG = YAML::Syck::Load <$fh>;	3565	trace "reloading config file...\n";
2364		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2366		3574
2367	$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};
2368	$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};
2369		3577
2370	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2374	};	3582	};
2375	warn $@ if $@;	3583	warn $@ if $@;
2376	}	3584	}
2377	}	3585	}
2378		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
2379	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
2380	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2382	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#
2383	(async {	3628	(async {
2384	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2386	};	3632	};
2387		3633
2388	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;
2389	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
2390	load_extensions;	3657	load_extensions;
2391		3658
2392	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2393	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;
2394	}	3677	}
2395		3678
2396	#############################################################################	3679	#############################################################################
2397	# initialisation and cleanup	3680	# initialisation and cleanup
2398		3681
2399	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2400	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2409	},
2410	);	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
2411	}	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 };
2412	}	3778	}
2413		3779
2414	sub emergency_save() {	3780	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2416		3782
2417	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;
2418		3789
2419	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2420	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3801	$pl->save;
2428	}	3802	}
2429	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2430		3804
2431	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";
2432	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3810	$map->valid or next;
2435	$map->save;	3811	$map->save;
2436	}	3812	}
2437	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2438		3814
2439	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";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2441	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
2442	};	3843	};
2443		3844
2444	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2445	}	3846	}
2446		3847
2447	sub post_cleanup {	3848	sub post_cleanup {
2448	my ($make_core) = @_;	3849	my ($make_core) = @_;
2449		3850
		3851	IO::AIO::flush;
		3852
2450	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3854	if $make_core;
2452	}
2453		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	}
		3883	}
		3884
2454	sub reload() {	3885	sub do_reload_perl() {
2455	# can/must only be called in main	3886	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2457	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2458	return;	3889	return;
2459	}	3890	}
2460		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2461	warn "reloading...";	3898	info "reloading...";
2462		3899
2463	warn "entering sync_job";	3900	trace "entering sync_job";
2464		3901
2465	cf::sync_job {	3902	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark
2467	cf::emergency_save;	3903	#cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark
2469		3904
2470	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;
2472
2473	# if anything goes wrong in here, we should simply crash as we already saved
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();	3907	%EXT_CORO = ();
2494		3908
2495	warn "removing commands";	3909	trace "removing commands";
2496	%COMMAND = ();	3910	%COMMAND = ();
2497		3911
2498	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2499	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2500		3915
2501	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2504		3919
2505	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2506	eval {	3921	eval {
2507	$cb->($pkg);	3922	$cb->($pkg);
2508	1	3923	1
2509	} 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;
2510	}	3929	}
2511		3930
2512	warn "... nuking $pkg";
2513	Symbol::delete_package $pkg;
2514	}
2515
2516	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2517	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3934
2520	warn "... unloading $k";	3935	trace "... unloading $k";
2521	delete $INC{$k};	3936	delete $INC{$k};
2522		3937
2523	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2525		3940
2526	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2527	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2528	}	3946	}
2529		3947
2530	Symbol::delete_package $k;
2531	}
2532
2533	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2535	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);
2536		3951
2537	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		3955
2540	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3957	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2543		3959
2544	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2545		3961
2546	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2547	require cf;	3963	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2549		3965
2550	warn "loading config and database again";	3966	trace "loading config and database again";
2551	cf::cfg_load;	3967	cf::reload_config;
2552		3968
2553	warn "loading extensions";	3969	trace "loading extensions";
2554	cf::load_extensions;	3970	cf::load_extensions;
2555		3971
		3972	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2562		3980
2563	warn "loading reloadable resources";	3981	trace "running post_init jobs";
2564	reload_resources;	3982	(pop @POST_INIT)->(1) while @POST_INIT;
2565		3983
2566	warn "leaving sync_job";	3984	trace "leaving sync_job";
2567		3985
2568	1	3986	1
2569	} or do {	3987	} or do {
2570	warn $@;	3988	error $@;
2571	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2572	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2573	};	4013	};
2574		4014	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		4015
2580	register_command "reload" => sub {	4016	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2582		4018
2583	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2585		4021	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	4023	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	4024	};
2598	}	4025	}
2599	};	4026	};
2600		4027
2601	unshift @INC, $LIBDIR;	4028	#############################################################################
2602		4029
2603	my $bug_warning = 0;	4030	my $bug_warning = 0;
2604		4031
2605	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2606	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	4034
2608	prio => 0,	4035	sub wait_for_tick() {
2609	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	4037
2611	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2612	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2615	return;	4055	return;
2616	}	4056	}
2617		4057
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		4059
		4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4061
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	4066	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2629	};
2630	}	4068	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	4069	}
2644	);	4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		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	}
2645		4089
2646	{	4090	{
2647	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	4092
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2657		4094	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		4096
2673	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2674	$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);
2675		4104
2676	cf::sync_job {	4105	cf::sync_job {
2677	eval {	4106	eval {
2678	BDB::db_env_open	4107	BDB::db_env_open
2679	$DB_ENV,	4108	$DB_ENV,
2680	$BDB_ENV_DIR,	4109	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	4112	0666;
2684		4113
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	4115	};
2690		4116
2691	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	4118	};
2693	}	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	};
2694	}	4130	}
2695		4131
2696	{	4132	{
		4133	# configure IO::AIO
		4134
2697	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	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;
2710		4185
2711	END { cf::emergency_save }	4186	END { cf::emergency_save }
2712		4187
2713	1	4188	1
2714		4189

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