ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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);
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 process
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	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153	utf8::encode $msg;
154		265
155	$msg .= "\n"	266	$msg .= "\n"
156	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
157		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
158	LOG llevError, $msg;	271	LOG llevWarn, $msg;
159	};	272	};
160	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
161		287
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		295
169	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	297	# within the Safe compartment.
171	for my $pkg (qw(	298	for my $pkg (qw(
172	cf::global cf::attachable	299	cf::global cf::attachable
173	cf::object cf::object::player	300	cf::object cf::object::player
174	cf::client cf::player	301	cf::client cf::player
175	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
176	cf::map cf::party cf::region	304	cf::party cf::region
177	)) {	305	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	307	}
181		308
182	$Event::DIED = sub {	309	$EV::DIED = sub {
183	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
184	};	311	};
		312
		313	#############################################################################
185		314
186	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
187		316
188	=over 4	317	=over 4
189		318
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	338	$d
210	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
211	}	340	}
212		341
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
216		343
217	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
218		345
219	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
220		347
221	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
222		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
223	=item cf::lock_wait $string	371	=item cf::lock_wait $string
224		372
225	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
226		374
227	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
228		376
229	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
232	returned.	380	returned.
233		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
234	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
236		387
237	=cut	388	=item $locked = cf::lock_active $string
238		389
239	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
240		395
241	sub lock_wait($) {	396	sub lock_wait($) {
242	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	398	}
250		399
251	sub lock_acquire($) {	400	sub lock_acquire($) {
252	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
253		403
254	# wait, to be sure we are not locked	404	sub lock_active($) {
255	lock_wait $key;	405	$LOCKS->count ($_[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	}	406	}
264		407
265	sub freeze_mainloop {	408	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
267		410
268	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$TICK_WATCHER->stop;	479	};
272	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		584
353	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
354		589
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
356	or return;
357		591
358	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		594
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
363	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
364		598
365	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	600	reset_signals;
367	and return;	601	&$cb
		602	}, @args;
368		603
369	close $fh	604	wantarray ? @res : $res[-1]
370	or return;	605	}
371		606
372	aio_rename "$runtime~", $runtime	607	sub objinfo {
373	and return;
374
375	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	783	}
377		784
378	=back	785	=back
379		786
380	=cut	787	=cut
381		788
382	#############################################################################	789	#############################################################################
383		790
384	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
385		792
386	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
389		796
390	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	799	Deliantra).
393		800
394	=over 4	801	=over 4
395		802
396	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
397		804
…		…
441	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
442		849
443	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
445		852
446	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
448		855
449	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
450		857
451	=over 4	858	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
561		968
562	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		973
567	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	975	my $pkg = shift @arg;
569		976
570	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
575		982
576	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		985
579	} elsif (ref $type) {	986	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
581		988
582	} else {	989	} else {
583	shift @arg;	990	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
585	}	992	}
586	}	993	}
587	}	994	}
588		995
589	sub _object_attach {	996	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
600	}	1007	}
601		1008
602	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
603	} else {	1010	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1012	}
606		1013
607	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
608	}	1015	}
609		1016
…		…
611	if (ref $_[0]) {	1018	if (ref $_[0]) {
612	_object_attach @_;	1019	_object_attach @_;
613	} else {	1020	} else {
614	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
615	}	1022	}
		1023	_recalc_want;
616	};	1024	};
617		1025
618	# all those should be optimised	1026	# all those should be optimised
619	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1032	reattach ($obj);
625	} else {	1033	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
627	}	1035	}
		1036	_recalc_want;
628	};	1037	};
629		1038
630	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
632		1041
…		…
647	";	1056	";
648	die if $@;	1057	die if $@;
649	}	1058	}
650		1059
651	our $override;	1060	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1062
654	sub override {	1063	sub override {
655	$override = 1;	1064	$override = 1;
656	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
657	}	1066	}
658		1067
659	sub do_invoke {	1068	sub do_invoke {
660	my $event = shift;	1069	my $event = shift;
661	my $callbacks = shift;	1070	my $callbacks = shift;
662		1071
663	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
664		1073
665	local $override;	1074	local $override;
666		1075
667	for (@$callbacks) {	1076	for (@$callbacks) {
668	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
669		1078
670	if ($@) {	1079	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1081	override;
674	}	1082	}
675		1083
676	return 1 if $override;	1084	return 1 if $override;
677	}	1085	}
678		1086
679	0	1087	0
680	}	1088	}
681		1089
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1091
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1093
686	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
687		1095
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1099
692	=back	1100	=back
693		1101
694	=cut	1102	=cut
695		1103
696	#############################################################################	1104	#############################################################################
697	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
698		1148
699	sub reattach {	1149	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1151	my ($obj) = @_;
702		1152
		1153	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1155
705	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
706		1157
707	@$registry = ();	1158	@$registry = ();
708		1159
…		…
713	for (@$attach) {	1164	for (@$attach) {
714	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
716	}	1167	}
717	} else {	1168	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1170	}
720	}	1171	}
721	}	1172	}
722		1173
723	cf::attachable->attach (	1174	cf::attachable->attach (
724	prio => -1000000,	1175	prio => -1000000,
725	on_instantiate => sub {	1176	on_instantiate => sub {
726	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
727		1178
728	$data = from_json $data;	1179	$data = decode_json $data;
729		1180
730	for (@$data) {	1181	for (@$data) {
731	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
732		1183
733	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1200	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
751		1202
752	sync_job {	1203	sync_job {
753	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
756		1209
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
761	close $fh;	1217	aio_close $fh;
762		1218
763	if (@$objs) {	1219	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
769	close $fh;	1228	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
771	}	1230	}
772	} else {	1231	} else {
773	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
774	}	1233	}
775		1234
776	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1239	} else {
778	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
779	}	1241	}
780	} else {	1242	} else {
781	aio_unlink $filename;	1243	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
783	}	1245	}
784	}	1246	};
785	}	1247	}
786		1248
787	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
789		1251
…		…
801	or return;	1263	or return;
802		1264
803	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
805	or return;	1267	or return;
		1268
806	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
807	}	1271	}
808		1272
		1273	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
811	return ($data, $av);	1278	($data, $av)
812	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
813		1286
814	#############################################################################	1287	#############################################################################
815	# command handling &c	1288	# command handling &c
816		1289
817	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1304	}
832		1305
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1307
835	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
836		1313
837	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
838	called.	1315	called.
839		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
840	=cut	1328	=cut
841		1329
842	sub register_extcmd {	1330	sub register_extcmd {
843	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
844		1332
845	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
846	}	1334	}
847		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
848	cf::player->attach (	1344	cf::player->attach (
849	on_command => sub {	1345	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
851		1347
852	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
853	or return;	1349	or return;
854		1350
…		…
859	cf::override;	1355	cf::override;
860	},	1356	},
861	on_extcmd => sub {	1357	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
863		1359
864	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1361
866	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
872	} else {	1377	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1379	}
875		1380
876	cf::override;	1381	cf::override;
877	},	1382	},
878	);	1383	);
879		1384
		1385	# "readahead" all extensions
880	sub load_extension {	1386	sub cache_extensions {
881	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
882		1388
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1392	}
908	die $@;
909	}	1393	};
910		1394
911	push @EXTS, $pkg;	1395	$grp
912	}	1396	}
913		1397
914	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
915	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1405	next unless -r $path;
917	eval {	1406
918	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
919	1	1471	}
920	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
921	}	1482	};
922	}	1483	}
923		1484
924	#############################################################################	1485	#############################################################################
925		1486
		1487	=back
		1488
926	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
927		1490
928	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
929		1492
930	=cut	1493	=cut
931		1494
932	package cf::player;	1495	package cf::player;
933		1496
…		…
935		1498
936	=head3 cf::player	1499	=head3 cf::player
937		1500
938	=over 4	1501	=over 4
939		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
940	=item cf::player::find $login	1517	=item cf::player::find $login
941		1518
942	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
943		1520
944	=cut	1521	=cut
945		1522
946	sub playerdir($) {	1523	sub playerdir($) {
947	cf::localdir	1524	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1526	}
953		1527
954	sub path($) {	1528	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1530
957	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
958	}	1532	}
959		1533
960	sub find_active($) {	1534	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
965		1539
966	sub exists($) {	1540	sub exists($) {
967	my ($login) = @_;	1541	my ($login) = @_;
968		1542
969	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
971	}	1545	}
972		1546
973	sub find($) {	1547	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1549	my $login = $_[0];
976		1550
977	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
978		1552
979	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
981	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
983	}	1570	}
984	}	1571	}
985	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
986		1586
987	sub save($) {	1587	sub save($) {
988	my ($pl) = @_;	1588	my ($pl) = @_;
989		1589
990	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
996		1596
997	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
999		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1000	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1001	Coro::cede;	1606	cf::cede_to_tick;
1002	}	1607	}
1003		1608
1004	sub new($) {	1609	sub new($) {
1005	my ($login) = @_;	1610	my ($login) = @_;
1006		1611
…		…
1012	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1013		1618
1014	$self	1619	$self
1015	}	1620	}
1016		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1017	=item $pl->quit_character	1632	=item $pl->quit_character
1018		1633
1019	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1021		1636
…		…
1025	my ($pl) = @_;	1640	my ($pl) = @_;
1026		1641
1027	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1028		1643
1029	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1646
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1036		1652
1037	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1069		1685
1070	=cut	1686	=cut
1071		1687
1072	sub list_logins {	1688	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1690	or return [];
1075		1691
1076	my @logins;	1692	my @logins;
1077		1693
1078	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1082		1704
1083	utf8::decode $login;	1705	utf8::decode $login;
1084	push @logins, $login;	1706	push @logins, $login;
1085	}	1707	}
1086		1708
1087	\@logins	1709	\@logins
1088	}	1710	}
1089		1711
1090	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1091		1715
1092	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1093	player. May block.	1717	player. May block.
1094		1718
1095	=cut	1719	=cut
…		…
1113	}	1737	}
1114		1738
1115	\@paths	1739	\@paths
1116	}	1740	}
1117		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1119		1747
1120	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1121		1749
1122	=cut	1750	=cut
1123		1751
1124	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1126		1754
1127	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1756	}
1131		1757
1132	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1133		1800
1134	=back	1801	=back
1135
1136		1802
1137	=head3 cf::map	1803	=head3 cf::map
1138		1804
1139	=over 4	1805	=over 4
1140		1806
…		…
1152	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1154		1820
1155	sub generate_random_map {	1821	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1157	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1827	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1180		1849
1181	sub register {	1850	sub register {
1182	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1852	my $pkg = caller;
1184		1853
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1855
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1857	}
1190		1858
1191	# also paths starting with '/'	1859	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1861
1194	sub thawer_merge {	1862	sub thawer_merge {
1195	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1196		1864
1197	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1198	local $self->{path};	1866	local $self->{path};
1199	local $self->{load_path};	1867	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1868
1203	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1204	}	1870	}
1205		1871
1206	sub normalise {	1872	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1254	return $self;	1920	return $self;
1255	}	1921	}
1256	}	1922	}
1257		1923
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1925	()
1260	}	1926	}
1261		1927
1262	sub init {	1928	sub init {
1263	my ($self) = @_;	1929	my ($self) = @_;
…		…
1278		1944
1279	# the original (read-only) location	1945	# the original (read-only) location
1280	sub load_path {	1946	sub load_path {
1281	my ($self) = @_;	1947	my ($self) = @_;
1282		1948
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1284	}	1950	}
1285		1951
1286	# the temporary/swap location	1952	# the temporary/swap location
1287	sub save_path {	1953	sub save_path {
1288	my ($self) = @_;	1954	my ($self) = @_;
1289		1955
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1292	}	1958	}
1293		1959
1294	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1295	sub uniq_path {	1961	sub uniq_path {
1296	my ($self) = @_;	1962	my ($self) = @_;
1297		1963
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1300	}	1966	}
1301		1967
1302	# and all this just because we cannot iterate over	1968	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1969	my ($self) = @_;
1306		1970
1307	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1309	}	1974	}
1310		1975
1311	sub unlink_save {	1976	sub unlink_save {
1312	my ($self) = @_;	1977	my ($self) = @_;
1313		1978
…		…
1318		1983
1319	sub load_header_from($) {	1984	sub load_header_from($) {
1320	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1321		1986
1322	utf8::encode $path;	1987	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1328		1996
1329	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1330		1998
1331	1	1999	1
1332	}	2000	}
…		…
1371	$self->load_header_orig	2039	$self->load_header_orig
1372	or return;	2040	or return;
1373	$self->prepare_orig;	2041	$self->prepare_orig;
1374	}	2042	}
1375		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1376	1	2050	1
1377	}	2051	}
1378		2052
1379	sub find;	2053	sub find;
1380	sub find {	2054	sub find {
1381	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1382		2056
1383	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1384		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2061
1387	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1390	or return;	2064	or return;
1391		2065
1392	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1393		2067
1394	$map->load_header	2068	$map->load_header
1395	or return;	2069	or return;
1396		2070
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1400	$map->reset;	2076	$map->reset;
1401	undef $guard;
1402	return find $path;	2077	return find $path;
1403	}	2078	}
1404		2079
1405	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1406	}	2081	}
1407	}	2082	}
1408		2083
1409	sub pre_load { }	2084	sub pre_load { }
1410	sub post_load { }	2085	#sub post_load { } # XS
1411		2086
1412	sub load {	2087	sub load {
1413	my ($self) = @_;	2088	my ($self) = @_;
1414		2089
1415	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1416		2091
1417	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1419		2096
		2097	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2099
1422	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1423		2101
1424	$self->alloc;	2102	$self->alloc;
1425		2103
1426	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1427		2106
1428	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1429	or return;	2110	or return;
1430		2111
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1432	if delete $self->{load_original};	2113	if delete $self->{load_original};
1433		2114
1434	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2116	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2119	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1439	}	2123	}
1440	}	2124	}
1441		2125
1442	Coro::cede;	2126	$f->resolve_delayed_derefs;
1443		2127
		2128	cf::cede_to_tick;
1444	# now do the right thing for maps	2129	# now do the right thing for maps
1445	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2132	unless $self->difficulty;
1455	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1456	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2147	}
1458		2148
1459	$self->post_load;	2149	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2150	}
1463		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2155	sub customise_for {
1465	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1466		2157
1467	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2159	if $self->per_player;
1469		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1470	$self	2164	$self
1471	}	2165	}
1472		2166
1473	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2168	sub load_neighbours {
1475	my ($map) = @_;	2169	my ($map) = @_;
1476		2170
1477	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1478		2172
1479	for (0 .. 3) {	2173	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1481	or next;	2175	or next;
1482	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1483	or next;	2177	or next;
1484	$neigh->load;	2178	$neigh->load;
1485		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2184	}
1489		2185
1490	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1492	or next;	2189	or next;
1493	$neigh->load;	2190	$neigh->load;
1494	}	2191	}
1495	}	2192	}
1496		2193
1497	sub find_sync {	2194	sub find_sync {
1498	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1499		2196
1500	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1501	}	2201	}
1502		2202
1503	sub do_load_sync {	2203	sub do_load_sync {
1504	my ($map) = @_;	2204	my ($map) = @_;
1505		2205
1506	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1507	}	2210	}
1508		2211
1509	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1511		2214
1512	sub find_async {	2215	sub find_async {
1513	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1514		2217
1515	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1516		2219
1517	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2222	}
1520		2223
1521	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1522	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1523	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2231	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2232	$map->load if $v;
		2233	}
1528		2234
1529	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1530	}	2236	}
1531	}	2237	}
1532	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1533	};	2239	};
1534	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1535		2241
1536	()	2242	()
1537	}	2243	}
1538		2244
		2245	# common code, used by both ->save and ->swapout
1539	sub save {	2246	sub _save {
1540	my ($self) = @_;	2247	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2248
1544	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1545		2250
1546	return unless $self->dirty;	2251	return unless $self->dirty;
1547		2252
…		…
1553	return if $self->{deny_save};	2258	return if $self->{deny_save};
1554		2259
1555	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1556		2261
1557	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1559	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1560		2268
1561	if ($uniq) {	2269	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2272	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2274	}
1567	}	2275	}
1568		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1569	sub swap_out {	2285	sub swap_out {
1570	my ($self) = @_;	2286	my ($self) = @_;
1571		2287
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1577	return if $self->players;	2292	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1581	$self->clear;	2303	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2304	}
1584		2305
1585	sub reset_at {	2306	sub reset_at {
1586	my ($self) = @_;	2307	my ($self) = @_;
1587		2308
1588	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1591		2311
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2314
…		…
1605	my ($self) = @_;	2325	my ($self) = @_;
1606		2326
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2328
1609	return if $self->players;	2329	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2330
1612	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1613		2332
1614	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1615		2334
1616	# need to save uniques path	2335	# need to save uniques path
1617	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2340	if $uniq;
1622	}	2341	}
1623		2342
1624	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1625		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2347	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2348
1630	$self->unlink_save;	2349	$self->unlink_save;
1631	$self->destroy;	2350	$self->destroy;
1632	}	2351	}
1633		2352
1634	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1635		2354
1636	sub nuke {	2355	sub nuke {
1637	my ($self) = @_;	2356	my ($self) = @_;
1638		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1639	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1640		2362
1641	$self->unlink_save;	2363	$self->unlink_save;
1642		2364
1643	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2370
1649	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1650		2373
1651	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1652	}	2411	}
1653		2412
1654	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1655		2414
1656	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2416	instantiated unique items. May block.
1658		2417
1659	=cut	2418	=cut
1660		2419
1661	sub unique_maps() {	2420	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1663	or return;	2422	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2423	utf8::decode $_;
1669	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2426	? ()
1672	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2429	]
1674
1675	\@paths
1676	}	2430	}
1677		2431
1678	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1679		2463
1680	=back	2464	=back
1681		2465
1682	=head3 cf::object	2466	=head3 cf::object
1683		2467
…		…
1687		2471
1688	=over 4	2472	=over 4
1689		2473
1690	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1691		2475
1692	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1693		2478
1694	=cut	2479	=cut
1695		2480
1696	sub inv_recursive_;	2481	sub inv_recursive_;
1697	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1700		2485
1701	sub inv_recursive {	2486	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1703	}	2488	}
1704		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1705	package cf;	2518	package cf;
1706		2519
1707	=back	2520	=back
1708		2521
1709	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1718		2531
1719	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1720		2547
1721	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2549	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1726		2553
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2555
1729	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1731	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1734	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1735	}	2581	}
1736		2582
1737	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1738		2584
1739	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1752		2598
1753	=item $player_object->enter_link	2599	=item $player_object->enter_link
1754		2600
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2602
1757	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1759		2607
1760	Will never block.	2608	Will never block.
1761		2609
1762	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1763		2611
…		…
1783	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2632	my ($self) = @_;
1785		2633
1786	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1787		2635
		2636	++$self->{_link_recursion};
		2637
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2639
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1792		2642
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2644	}
1795		2645
1796	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1798		2650
1799	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1800		2652
1801	unless ($map) {	2653	unless ($map) {
1802	# restore original map position	2654	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1815		2667
1816	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1819		2671
1820	$map->load;	2672	$map->load;
1821	$map->load_diag;	2673	$map->load_neighbours;
1822		2674
1823	return unless $self->contr->active;	2675	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2676
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1828	}	2679	# entering was successful
1829		2680	delete $self->{_link_recursion};
1830	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2682	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2683	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2684
1844	# try to abort aborted map switching on player login :)	2685	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2686
1862	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1864	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1865		2701
1866	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2713
1869	$self->enter_link;	2714	$self->enter_link;
1870		2715
1871	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1872	my $map = eval {	2738	my $map = eval {
1873	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1875	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2754	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1880	})->prio (1);	2762	})->prio (1);
1881	}	2763	}
1882		2764
1883	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1884		2766
…		…
1904	}	2786	}
1905		2787
1906	sub prepare_random_map {	2788	sub prepare_random_map {
1907	my ($exit) = @_;	2789	my ($exit) = @_;
1908		2790
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2793	# that depends on the exit object
1914		2794
1915	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2797	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1922	}	2804	}
1923		2805
1924	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1925		2807
1926	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1929		2811
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2814	undef $fh;
1933	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1934		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1937	}	2823	}
1938	}	2824	}
1939		2825
1940	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1942		2828
1943	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1944		2830
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2831	$self->enter_link;
1955		2832
1956	(async {	2833	(async {
1957	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1958	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1959	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1960		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1961	1;	2857	1
1962	}) {	2858	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2863
1968	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2865	$self->leave_link;
1970	}	2866	}
1971	})->prio (1);	2867	})->prio (1);
1972	}	2868	}
1973		2869
…		…
1987		2883
1988	utf8::encode $text;	2884	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2886	}
1991		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1992		3109
1993	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1994		3111
1995	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3115
1999	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3117	become reliable at some point in the future.
2001		3118
2002	=cut	3119	=cut
2003		3120
2004	sub cf::client::query {	3121	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3130	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3132
2016	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2018	}	3137	}
2019		3138
2020	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2021	on_reply => sub {	3145	on_reply => sub {
2022	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2023		3147
2024	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2025	# get handled first	3149	# get handled first
…		…
2037	} else {	3161	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3163	}
2040	}	3164	}
2041	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2042	);	3192	);
2043		3193
2044	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2045		3195
2046	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3212
2063	$coro	3213	$coro
2064	}	3214	}
2065		3215
2066	cf::client->attach (	3216	cf::client->attach (
2067	on_destroy => sub {	3217	on_client_destroy => sub {
2068	my ($ns) = @_;	3218	my ($ns) = @_;
2069		3219
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3221	},
2072	);	3222	);
…		…
2087	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2089		3239
2090	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2091		3241
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2093		3247
2094	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2095		3249
2096	=pod	3250	=pod
2097		3251
2098	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2099		3253
2100	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2101	cf::object::player player	3259	cf::object::player
2102	cf::player peaceful	3260	player
2103	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2104		3267
2105	=cut	3268	=cut
2106		3269
2107	for (	3270	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2112	) {	3277	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3280	for @funs;
2117	}	3281	}
2118		3282
…		…
2133		3297
2134	my $qcode = $code;	3298	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2137		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2138	local $_;	3305	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3306
2141	my $eval =	3307	my $eval =
2142	"do {\n"	3308	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3311	. $code
2146	. "\n}"	3312	. "\n}"
2147	;	3313	;
2148		3314
		3315	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2152		3324
2153	if ($@) {	3325	if ($@) {
2154	warn "$@";	3326	warn "$@",
2155	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2157	}	3329	}
2158		3330
2159	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2160	}	3332	}
2161		3333
…		…
2175	=cut	3347	=cut
2176		3348
2177	sub register_script_function {	3349	sub register_script_function {
2178	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2179		3351
2180	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2182	}	3354	}
2183		3355
2184	=back	3356	=back
2185		3357
2186	=cut	3358	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3359
2260	#############################################################################	3360	#############################################################################
2261	# the server's init and main functions	3361	# the server's init and main functions
2262		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2263	sub load_faces {	3406	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3407	my ($path) = @_;
2265		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2266	warn "loading faces from $path\n";	3415	trace "loading facedata from $path\n";
2267		3416
2268	my $faces;	3417	my $facedata;
2269	0 < aio_load $path, $faces	3418	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3419	or die "$path: $!";
2271		3420
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3421	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3422
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3423	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
2280	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
2287	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2289	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
2290	or next;	3556	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
2300	}	3567	}
2301		3568
2302	sub reload_resources {	3569	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3570	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3571
2305	load_faces	3572	reload_facedata;
2306	or die "unable to load faces\n";#d#	3573	reload_sound;
2307	}	3574	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3575	reload_regions;
2311	}	3576	reload_treasures;
2312		3577
2313	sub cfg_load {	3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3585	or return;
2316		3586
2317	local $/;	3587	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2319		3589
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3591
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3594
2325	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2328	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2329	};	3599	};
2330	warn $@ if $@;	3600	warn $@ if $@;
2331	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2332	}	3632	}
2333		3633
2334	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2335	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3647	(async {
2339	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2341	};	3651	};
2342		3652
2343	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2344	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2345	load_extensions;	3678	load_extensions;
2346		3679
2347	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2349	}	3698	}
2350		3699
2351	#############################################################################	3700	#############################################################################
2352	# initialisation and cleanup	3701	# initialisation and cleanup
2353		3702
2354	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2355	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2364	},
2365	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2366	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2367	}	3799	}
2368		3800
2369	sub emergency_save() {	3801	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2371		3803
2372	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2373		3810
2374	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2375	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3822	$pl->save;
2383	}	3823	}
2384	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2385		3825
2386	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3831	$map->valid or next;
2390	$map->save;	3832	$map->save;
2391	}	3833	}
2392	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2393		3835
2394	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3864	};
2398		3865
2399	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2400	}	3867	}
2401		3868
2402	sub post_cleanup {	3869	sub post_cleanup {
2403	my ($make_core) = @_;	3870	my ($make_core) = @_;
2404		3871
		3872	IO::AIO::flush;
		3873
2405	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3875	if $make_core;
2407	}
2408		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
		3904	}
		3905
2409	sub reload() {	3906	sub do_reload_perl() {
2410	# can/must only be called in main	3907	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2412	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2413	return;	3910	return;
2414	}	3911	}
2415		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2416	warn "reloading...";	3918	info "reloading...";
2417		3919
2418	warn "entering sync_job";	3920	trace "entering sync_job";
2419		3921
2420	cf::sync_job {	3922	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3923	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3924
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3927	%EXT_CORO = ();
2449		3928
2450	warn "removing commands";	3929	trace "removing commands";
2451	%COMMAND = ();	3930	%COMMAND = ();
2452		3931
2453	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2454	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2455		3935
2456	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2459		3939
2460	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3941	eval {
2462	$cb->($pkg);	3942	$cb->($pkg);
2463	1	3943	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2465	}	3949	}
2466		3950
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3954
2475	warn "... unloading $k";	3955	trace "... unloading $k";
2476	delete $INC{$k};	3956	delete $INC{$k};
2477		3957
2478	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2480		3960
2481	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2483	}	3966	}
2484		3967
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3971
2492	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
		3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3975
2495	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3977	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2498		3979
2499	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2500		3981
2501	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2502	require cf;	3983	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2504		3985
2505	warn "loading config and database again";	3986	trace "loading config and database again";
2506	cf::cfg_load;	3987	cf::reload_config;
2507		3988
2508	warn "loading extensions";	3989	trace "loading extensions";
2509	cf::load_extensions;	3990	cf::load_extensions;
2510		3991
		3992	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2517		4000
2518	warn "loading reloadable resources";	4001	trace "running post_init jobs";
2519	reload_resources;	4002	(pop @POST_INIT)->(1) while @POST_INIT;
2520		4003
2521	warn "leaving sync_job";	4004	trace "leaving sync_job";
2522		4005
2523	1	4006	1
2524	} or do {	4007	} or do {
2525	warn $@;	4008	error $@;
2526	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
		4014	}
		4015
		4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
		4018	};
		4019
		4020	our $RELOAD_WATCHER; # used only during reload
		4021
		4022	sub reload_perl() {
		4023	# doing reload synchronously and two reloads happen back-to-back,
		4024	# coro crashes during coro_state_free->destroy here.
		4025
		4026	$RELOAD_WATCHER ||= cf::async {
		4027	Coro::AIO::aio_wait cache_extensions;
		4028
		4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4030	do_reload_perl;
		4031	undef $RELOAD_WATCHER;
		4032	};
2528	};	4033	};
2529		4034	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4035
2535	register_command "reload" => sub {	4036	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2537		4038
2538	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
2540		4041	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4042	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4043	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4044	};
2553	}	4045	}
2554	};	4046	};
2555		4047
2556	unshift @INC, $LIBDIR;	4048	#############################################################################
2557		4049
2558	my $bug_warning = 0;	4050	my $bug_warning = 0;
2559		4051
2560	$TICK_WATCHER = Event->timer (	4052	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4053	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4054
2563	prio => 0,	4055	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4057
2566	cb => sub {	4058	my $signal = new Coro::Signal;
		4059	push @WAIT_FOR_TICK, $signal;
		4060	$signal->wait;
		4061	}
		4062
		4063	sub wait_for_tick_begin {
		4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4065
		4066	my $signal = new Coro::Signal;
		4067	push @WAIT_FOR_TICK_BEGIN, $signal;
		4068	$signal->wait;
		4069	}
		4070
		4071	sub tick {
2567	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2570	return;	4075	return;
2571	}	4076	}
2572		4077
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4079
		4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4081
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4084	Coro::async_pool {
		4085	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4086	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4087	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4088	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4089	}
2599	);	4090
		4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4092	$sig->send;
		4093	}
		4094	while (my $sig = shift @WAIT_FOR_TICK) {
		4095	$sig->send;
		4096	}
		4097
		4098	$LOAD = ($NOW - $TICK_START) / $TICK;
		4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4100
		4101	if (0) {
		4102	if ($NEXT_TICK) {
		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
		4107	}
		4108	}
2600		4109
2601	{	4110	{
2602	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4112
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2612		4114	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4116
2628	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4124
2631	cf::sync_job {	4125	cf::sync_job {
2632	eval {	4126	eval {
2633	BDB::db_env_open	4127	BDB::db_env_open
2634	$DB_ENV,	4128	$DB_ENV,
2635	$BDB_ENV_DIR,	4129	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4132	0666;
2639		4133
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4135	};
2645		4136
2646	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4138	};
2648	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2649	}	4150	}
2650		4151
2651	{	4152	{
		4153	# configure IO::AIO
		4154
2652	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4158	}
		4159
		4160	my $_log_backtrace;
		4161
		4162	sub _log_backtrace {
		4163	my ($msg, @addr) = @_;
		4164
		4165	$msg =~ s/\n//;
		4166
		4167	# limit the # of concurrent backtraces
		4168	if ($_log_backtrace < 2) {
		4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
		4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
		4174	my @bt = fork_call {
		4175	@addr = map { sprintf "%x", $_ } @addr;
		4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4178	or die "addr2line: $!";
		4179
		4180	my @funcs;
		4181	my @res = <$fh>;
		4182	chomp for @res;
		4183	while (@res) {
		4184	my ($func, $line) = splice @res, 0, 2, ();
		4185	push @funcs, "[$func] $line";
		4186	}
		4187
		4188	@funcs
		4189	};
		4190
		4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4193	LOG llevInfo, "[ABT] $_\n" for @bt;
		4194	--$_log_backtrace;
		4195	};
		4196	} else {
		4197	LOG llevInfo, "[ABT] $msg\n";
		4198	LOG llevInfo, "[ABT] [suppressed]\n";
		4199	}
		4200	}
		4201
		4202	# load additional modules
		4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
2665		4205
2666	END { cf::emergency_save }	4206	END { cf::emergency_save }
2667		4207
2668	1	4208	1
2669		4209

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines