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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.544 by root, Thu May 6 21:58:07 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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		140
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REALLY_UNLOOP; # never set to true, please :)
		153
87	binmode STDOUT;	154	binmode STDOUT;
88	binmode STDERR;	155	binmode STDERR;
89		156
90	# read virtual server time, if available	157	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
95	}	162	}
96		163
97	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	165
99	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		168
104	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
105		170
106	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::"} };
107		187
108	#############################################################################	188	#############################################################################
109		189
110	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
111		191
…		…
118	=item $cf::RUNTIME	198	=item $cf::RUNTIME
119		199
120	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
121	every server tick.	201	every server tick.
122		202
123	=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
124		206
125	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		211
128	=item $cf::NOW	212	=item $cf::NOW
129		213
130	The time of the last (current) server tick.	214	The time of the last (current) server tick.
131		215
132	=item $cf::TICK	216	=item $cf::TICK
133		217
134	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	230	=item %cf::CFG
137		231
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	233	from wherever your confdir points to.
140		234
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		236
143	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
144	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
145	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.
146	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.
147		252
148	=back	253	=back
149		254
150	=cut	255	=cut
151		256
152	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
153	*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 {
154	my $msg = join "", @_;	264	my $msg = join "", @_;
155	utf8::encode $msg;
156		265
157	$msg .= "\n"	266	$msg .= "\n"
158	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
159		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
160	LOG llevError, $msg;	271	LOG llevWarn, $msg;
161	};	272	};
162	}	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	};
163		287
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		295
171	# 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
172	# within the Safe compartment.	297	# within the Safe compartment.
173	for my $pkg (qw(	298	for my $pkg (qw(
174	cf::global cf::attachable	299	cf::global cf::attachable
175	cf::object cf::object::player	300	cf::object cf::object::player
176	cf::client cf::player	301	cf::client cf::player
177	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
178	cf::map cf::party cf::region	304	cf::party cf::region
179	)) {	305	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	307	}
183		308
184	$Event::DIED = sub {	309	$EV::DIED = sub {
185	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
186	};	311	};
		312
		313	#############################################################################
187		314
188	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
189		316
190	=over 4	317	=over 4
191		318
…		…
210	$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;
211	$d	338	$d
212	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
213	}	340	}
214		341
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
218		343
219	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
220		345
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	371	=item cf::lock_wait $string
226		372
227	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
228		374
229	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
230		376
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
234	returned.	380	returned.
235		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
236	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
237	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
238		387
239	=cut	388	=item $locked = cf::lock_active $string
240		389
241	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
242		395
243	sub lock_wait($) {	396	sub lock_wait($) {
244	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	398	}
252		399
253	sub lock_acquire($) {	400	sub lock_acquire($) {
254	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
255		403
256	# wait, to be sure we are not locked	404	sub lock_active($) {
257	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	406	}
266		407
267	sub freeze_mainloop {	408	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
269		410
270	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
272	};	478	}
273	$TICK_WATCHER->stop;	479	};
274	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
275	}	494	}
276		495
277	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
278		497
279	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		503
285	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
286		505
287	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
288		507
289	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
292		512
293	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
296	fast or be very important.	516	fast or be very important.
…		…
298	=cut	518	=cut
299		519
300	sub sync_job(&) {	520	sub sync_job(&) {
301	my ($job) = @_;	521	my ($job) = @_;
302		522
303	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
304	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
306		528
307	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	530
309	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
310		532
311	my $busy = 1;	533	my $busy = 1;
312	my @res;	534	my @res;
313		535
314	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	538	@res = eval { $job->() };
316	warn $@ if $@;	539	error $@ if $@;
317	undef $busy;	540	undef $busy;
318	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
319		542
320	while ($busy) {	543	while ($busy) {
321	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
322	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
323		554
324	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
325	} else {	556	} else {
326	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
327		558
…		…
347	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
348		579
349	$coro	580	$coro
350	}	581	}
351		582
352	sub write_runtime {	583	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		584
355	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.
356		589
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
358	or return;
359		591
360	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		594
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
365	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
366		598
367	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	600	reset_signals;
369	and return;	601	&$cb
		602	}, @args;
370		603
371	close $fh	604	wantarray ? @res : $res[-1]
372	or return;	605	}
373		606
374	aio_rename "$runtime~", $runtime	607	sub objinfo {
375	and return;
376
377	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"
378	}	772	}
379		773
380	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
381		775
382	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
383		777
384	=cut	778	=cut
385		779
386	sub datalog($@) {	780	sub datalog($@) {
387	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	783	}
390		784
391	=back	785	=back
392		786
393	=cut	787	=cut
394		788
395	#############################################################################	789	#############################################################################
396		790
397	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
398		792
399	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
400	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")
401	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
402		796
403	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>
404	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
405	crossfire+).	799	Deliantra).
406		800
407	=over 4	801	=over 4
408		802
409	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
410		804
…		…
454	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
455		849
456	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
458		852
459	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		855
462	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
463		857
464	=over 4	858	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
574		968
575	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		973
580	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	975	my $pkg = shift @arg;
582		976
583	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
588		982
589	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		985
592	} elsif (ref $type) {	986	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
594		988
595	} else {	989	} else {
596	shift @arg;	990	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
598	}	992	}
599	}	993	}
600	}	994	}
601		995
602	sub _object_attach {	996	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
613	}	1007	}
614		1008
615	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
616	} else {	1010	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1012	}
619		1013
620	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
621	}	1015	}
622		1016
…		…
624	if (ref $_[0]) {	1018	if (ref $_[0]) {
625	_object_attach @_;	1019	_object_attach @_;
626	} else {	1020	} else {
627	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
628	}	1022	}
		1023	_recalc_want;
629	};	1024	};
630		1025
631	# all those should be optimised	1026	# all those should be optimised
632	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1032	reattach ($obj);
638	} else {	1033	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
640	}	1035	}
		1036	_recalc_want;
641	};	1037	};
642		1038
643	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
645		1041
…		…
660	";	1056	";
661	die if $@;	1057	die if $@;
662	}	1058	}
663		1059
664	our $override;	1060	our $override;
665	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?
666		1062
667	sub override {	1063	sub override {
668	$override = 1;	1064	$override = 1;
669	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
670	}	1066	}
671		1067
672	sub do_invoke {	1068	sub do_invoke {
673	my $event = shift;	1069	my $event = shift;
674	my $callbacks = shift;	1070	my $callbacks = shift;
675		1071
676	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
677		1073
678	local $override;	1074	local $override;
679		1075
680	for (@$callbacks) {	1076	for (@$callbacks) {
681	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
682		1078
683	if ($@) {	1079	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1081	override;
687	}	1082	}
688		1083
689	return 1 if $override;	1084	return 1 if $override;
690	}	1085	}
691		1086
692	0	1087	0
693	}	1088	}
694		1089
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1093
699	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
700		1095
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1099
705	=back	1100	=back
706		1101
707	=cut	1102	=cut
708		1103
709	#############################################################################	1104	#############################################################################
710	# 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, $ob2
		1147	}
711		1148
712	sub reattach {	1149	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1151	my ($obj) = @_;
715		1152
		1153	# no longer needed after getting rid of delete_package?
716	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
717		1155
718	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
719		1157
720	@$registry = ();	1158	@$registry = ();
721		1159
…		…
726	for (@$attach) {	1164	for (@$attach) {
727	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
729	}	1167	}
730	} else {	1168	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1170	}
733	}	1171	}
734	}	1172	}
735		1173
736	cf::attachable->attach (	1174	cf::attachable->attach (
737	prio => -1000000,	1175	prio => -1000000,
738	on_instantiate => sub {	1176	on_instantiate => sub {
739	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
740		1178
741	$data = from_json $data;	1179	$data = decode_json $data;
742		1180
743	for (@$data) {	1181	for (@$data) {
744	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
745		1183
746	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1200	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
764		1202
765	sync_job {	1203	sync_job {
766	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
769		1209
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1217	aio_close $fh;
775		1218
776	if (@$objs) {	1219	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1228	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
784	}	1230	}
785	} else {	1231	} else {
786	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
787	}	1233	}
788		1234
789	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1239	} else {
791	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
792	}	1241	}
793	} else {	1242	} else {
794	aio_unlink $filename;	1243	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
796	}	1245	}
797	}	1246	};
798	}	1247	}
799		1248
800	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
802		1251
…		…
814	or return;	1263	or return;
815		1264
816	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
818	or return;	1267	or return;
		1268
819	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
820	}	1271	}
821		1272
		1273	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
824	return ($data, $av);	1278	($data, $av)
825	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
826		1286
827	#############################################################################	1287	#############################################################################
828	# command handling &c	1288	# command handling &c
829		1289
830	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1304	}
845		1305
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1307
848	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.
849		1313
850	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
851	called.	1315	called.
852		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
853	=cut	1328	=cut
854		1329
855	sub register_extcmd {	1330	sub register_extcmd {
856	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
857		1332
858	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
859	}	1334	}
860		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
861	cf::player->attach (	1344	cf::player->attach (
862	on_command => sub {	1345	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
864		1347
865	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
866	or return;	1349	or return;
867		1350
…		…
872	cf::override;	1355	cf::override;
873	},	1356	},
874	on_extcmd => sub {	1357	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
876		1359
877	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1361
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
885	} else {	1377	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1379	}
888		1380
889	cf::override;	1381	cf::override;
890	},	1382	},
891	);	1383	);
892		1384
		1385	# "readahead" all extensions
893	sub load_extension {	1386	sub cache_extensions {
894	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
895		1388
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1392	}
921	die $@;
922	}	1393	};
923		1394
924	push @EXTS, $pkg;	1395	$grp
925	}	1396	}
926		1397
927	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
928	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1405	next unless -r $path;
930	eval {	1406
931	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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
932	1	1470	}
933	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
934	}	1481	};
935	}	1482	}
936		1483
937	#############################################################################	1484	#############################################################################
938		1485
		1486	=back
		1487
939	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
940		1489
941	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
942		1491
943	=cut	1492	=cut
944		1493
945	package cf::player;	1494	package cf::player;
946		1495
…		…
948		1497
949	=head3 cf::player	1498	=head3 cf::player
950		1499
951	=over 4	1500	=over 4
952		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
953	=item cf::player::find $login	1516	=item cf::player::find $login
954		1517
955	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
956		1519
957	=cut	1520	=cut
958		1521
959	sub playerdir($) {	1522	sub playerdir($) {
960	cf::localdir	1523	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1525	}
966		1526
967	sub path($) {	1527	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1538
979	sub exists($) {	1539	sub exists($) {
980	my ($login) = @_;	1540	my ($login) = @_;
981		1541
982	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
984	}	1544	}
985		1545
986	sub find($) {	1546	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1548	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
999		1559
1000	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1003	}	1569	}
1004	}	1570	}
1005	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1006		1585
1007	sub save($) {	1586	sub save($) {
1008	my ($pl) = @_;	1587	my ($pl) = @_;
1009		1588
1010	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1016		1595
1017	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1019		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1020	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1021	Coro::cede;	1605	cf::cede_to_tick;
1022	}	1606	}
1023		1607
1024	sub new($) {	1608	sub new($) {
1025	my ($login) = @_;	1609	my ($login) = @_;
1026		1610
…		…
1032	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1033		1617
1034	$self	1618	$self
1035	}	1619	}
1036		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1037	=item $pl->quit_character	1631	=item $pl->quit_character
1038		1632
1039	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1041		1635
…		…
1045	my ($pl) = @_;	1639	my ($pl) = @_;
1046		1640
1047	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1048		1642
1049	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1645
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1056		1651
1057	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1089		1684
1090	=cut	1685	=cut
1091		1686
1092	sub list_logins {	1687	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1689	or return [];
1095		1690
1096	my @logins;	1691	my @logins;
1097		1692
1098	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1102		1703
1103	utf8::decode $login;	1704	utf8::decode $login;
1104	push @logins, $login;	1705	push @logins, $login;
1105	}	1706	}
1106		1707
1107	\@logins	1708	\@logins
1108	}	1709	}
1109		1710
1110	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1111		1714
1112	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1113	player. May block.	1716	player. May block.
1114		1717
1115	=cut	1718	=cut
…		…
1133	}	1736	}
1134		1737
1135	\@paths	1738	\@paths
1136	}	1739	}
1137		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1138	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1139		1746
1140	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1141		1748
1142	=cut	1749	=cut
1143		1750
1144	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1146		1753
1147	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1755	}
1151		1756
1152	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1153		1758
1154	Sends an ext event to the client.	1759	Sends an ext event to the client.
1155		1760
1156	=cut	1761	=cut
1157		1762
1158	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1160		1765
1161	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1162	}	1767	}
1163		1768
1164	package cf;	1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1165		1799
1166	=back	1800	=back
1167
1168		1801
1169	=head3 cf::map	1802	=head3 cf::map
1170		1803
1171	=over 4	1804	=over 4
1172		1805
…		…
1184	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1186		1819
1187	sub generate_random_map {	1820	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1189	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1826	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1194	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1195	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1212		1848
1213	sub register {	1849	sub register {
1214	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1215	my $pkg = caller;	1851	my $pkg = caller;
1216		1852
1217	no strict;
1218	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1219		1854
1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221	}	1856	}
1222		1857
1223	# also paths starting with '/'	1858	# also paths starting with '/'
1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1225		1860
1226	sub thawer_merge {	1861	sub thawer_merge {
1227	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1228		1863
1229	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1230	local $self->{path};	1865	local $self->{path};
1231	local $self->{load_path};	1866	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1867
1235	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1236	}	1869	}
1237		1870
1238	sub normalise {	1871	sub normalise {
1239	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1240		1873
1241	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1242		1875
1243	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1244		1877
1245	# map plan:	1878	# map plan:
1246	#	1879	#
…		…
1285	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1286	return $self;	1919	return $self;
1287	}	1920	}
1288	}	1921	}
1289		1922
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1291	()	1924	()
1292	}	1925	}
1293		1926
1294	sub init {	1927	sub init {
1295	my ($self) = @_;	1928	my ($self) = @_;
…		…
1310		1943
1311	# the original (read-only) location	1944	# the original (read-only) location
1312	sub load_path {	1945	sub load_path {
1313	my ($self) = @_;	1946	my ($self) = @_;
1314		1947
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1316	}	1949	}
1317		1950
1318	# the temporary/swap location	1951	# the temporary/swap location
1319	sub save_path {	1952	sub save_path {
1320	my ($self) = @_;	1953	my ($self) = @_;
1321		1954
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1324	}	1957	}
1325		1958
1326	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1327	sub uniq_path {	1960	sub uniq_path {
1328	my ($self) = @_;	1961	my ($self) = @_;
1329		1962
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1332	}	1965	}
1333		1966
1334	# and all this just because we cannot iterate over	1967	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	1968	my ($self) = @_;
1338		1969
1339	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1341	}	1973	}
1342		1974
1343	sub unlink_save {	1975	sub unlink_save {
1344	my ($self) = @_;	1976	my ($self) = @_;
1345		1977
…		…
1350		1982
1351	sub load_header_from($) {	1983	sub load_header_from($) {
1352	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1353		1985
1354	utf8::encode $path;	1986	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1360		1995
1361	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1362		1997
1363	1	1998	1
1364	}	1999	}
…		…
1403	$self->load_header_orig	2038	$self->load_header_orig
1404	or return;	2039	or return;
1405	$self->prepare_orig;	2040	$self->prepare_orig;
1406	}	2041	}
1407		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1408	1	2049	1
1409	}	2050	}
1410		2051
1411	sub find;	2052	sub find;
1412	sub find {	2053	sub find {
1413	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1414		2055
		2056	cf::cede_to_tick;
		2057
1415	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1416		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1418		2062
1419	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1422	or return;	2065	or return;
1423		2066
1424	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1425		2068
1426	$map->load_header	2069	$map->load_header
1427	or return;	2070	or return;
1428		2071
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1432	$map->reset;	2077	$map->reset;
1433	undef $guard;
1434	return find $path;	2078	return find $path;
1435	}	2079	}
1436		2080
1437	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1438	}	2082	}
1439	}	2083	}
1440		2084
1441	sub pre_load { }	2085	sub pre_load { }
1442	sub post_load { }	2086	#sub post_load { } # XS
1443		2087
1444	sub load {	2088	sub load {
1445	my ($self) = @_;	2089	my ($self) = @_;
1446		2090
1447	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1448		2092
1449	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1451		2097
		2098	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2100
1454	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1455		2102
1456	$self->alloc;	2103	$self->alloc;
1457		2104
1458	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1459		2107
1460	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1461	or return;	2111	or return;
1462		2112
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1464	if delete $self->{load_original};	2114	if delete $self->{load_original};
1465		2115
1466	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2117	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2120	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1471	}	2124	}
1472	}	2125	}
1473		2126
1474	Coro::cede;	2127	$f->resolve_delayed_derefs;
1475		2128
		2129	cf::cede_to_tick;
1476	# now do the right thing for maps	2130	# now do the right thing for maps
1477	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2133	unless $self->difficulty;
1487	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1488	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2148	}
1490		2149
1491	$self->post_load;	2150	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2151	}
1495		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1496	sub customise_for {	2156	sub customise_for {
1497	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1498		2158
1499	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2160	if $self->per_player;
1501		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1502	$self	2165	$self
1503	}	2166	}
1504		2167
1505	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2169	sub load_neighbours {
1507	my ($map) = @_;	2170	my ($map) = @_;
1508		2171
1509	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1510		2173
1511	for (0 .. 3) {	2174	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1513	or next;	2176	or next;
1514	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1515	or next;	2178	or next;
1516	$neigh->load;	2179	$neigh->load;
1517		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2185	}
1521		2186
1522	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1524	or next;	2190	or next;
1525	$neigh->load;	2191	$neigh->load;
1526	}	2192	}
1527	}	2193	}
1528		2194
1529	sub find_sync {	2195	sub find_sync {
1530	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1531		2197
1532	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1533	}	2202	}
1534		2203
1535	sub do_load_sync {	2204	sub do_load_sync {
1536	my ($map) = @_;	2205	my ($map) = @_;
1537		2206
1538	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1539	}	2211	}
1540		2212
1541	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1543		2215
1544	sub find_async {	2216	sub find_async {
1545	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1546		2218
1547	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1548		2220
1549	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2223	}
1552		2224
1553	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1554	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1555	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2232	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2233	$map->load if $v;
		2234	}
1560		2235
1561	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1562	}	2237	}
1563	}	2238	}
1564	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1565	};	2240	};
1566	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1567		2242
1568	()	2243	()
1569	}	2244	}
1570		2245
		2246	# common code, used by both ->save and ->swapout
1571	sub save {	2247	sub _save {
1572	my ($self) = @_;	2248	my ($self) = @_;
1573
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1575		2249
1576	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1577		2251
1578	return unless $self->dirty;	2252	return unless $self->dirty;
1579		2253
…		…
1585	return if $self->{deny_save};	2259	return if $self->{deny_save};
1586		2260
1587	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1588		2262
1589	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1591	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1592		2269
1593	if ($uniq) {	2270	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2273	} else {
1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1598	}	2275	}
1599	}	2276	}
1600		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1601	sub swap_out {	2286	sub swap_out {
1602	my ($self) = @_;	2287	my ($self) = @_;
1603		2288
1604	# save first because save cedes
1605	$self->save;
1606
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1609	return if $self->players;	2293	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};
1612		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1613	$self->clear;	2304	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2305	}
1616		2306
1617	sub reset_at {	2307	sub reset_at {
1618	my ($self) = @_;	2308	my ($self) = @_;
1619		2309
1620	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1623		2312
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2315
…		…
1637	my ($self) = @_;	2326	my ($self) = @_;
1638		2327
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2329
1641	return if $self->players;	2330	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2331
1644	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1645		2333
1646	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1647		2335
1648	# need to save uniques path	2336	# need to save uniques path
1649	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2341	if $uniq;
1654	}	2342	}
1655		2343
1656	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1657		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2348	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2349
1662	$self->unlink_save;	2350	$self->unlink_save;
1663	$self->destroy;	2351	$self->destroy;
1664	}	2352	}
1665		2353
1666	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1667		2355
1668	sub nuke {	2356	sub nuke {
1669	my ($self) = @_;	2357	my ($self) = @_;
1670		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1671	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1672		2363
1673	$self->unlink_save;	2364	$self->unlink_save;
1674		2365
1675	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1676	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2371
1681	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1682		2374
1683	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1684	}	2412	}
1685		2413
1686	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1687		2415
1688	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2417	instantiated unique items. May block.
1690		2418
1691	=cut	2419	=cut
1692		2420
1693	sub unique_maps() {	2421	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1695	or return;	2423	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2424	utf8::decode $_;
1701	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2427	? ()
1704	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2430	]
1706
1707	\@paths
1708	}	2431	}
1709		2432
1710	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1711		2464
1712	=back	2465	=back
1713		2466
1714	=head3 cf::object	2467	=head3 cf::object
1715		2468
…		…
1719		2472
1720	=over 4	2473	=over 4
1721		2474
1722	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1723		2476
1724	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1725		2479
1726	=cut	2480	=cut
1727		2481
1728	sub inv_recursive_;	2482	sub inv_recursive_;
1729	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1732		2486
1733	sub inv_recursive {	2487	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1735	}	2489	}
1736		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1737	package cf;	2519	package cf;
1738		2520
1739	=back	2521	=back
1740		2522
1741	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1750		2532
1751	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1752		2548
1753	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2550	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1758		2554
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2556
1761	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1763	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1766	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1767	}	2582	}
1768		2583
1769	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1770		2585
1771	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1784		2599
1785	=item $player_object->enter_link	2600	=item $player_object->enter_link
1786		2601
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2603
1789	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1791		2608
1792	Will never block.	2609	Will never block.
1793		2610
1794	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1795		2612
…		…
1815	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1816	my ($self) = @_;	2633	my ($self) = @_;
1817		2634
1818	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1819		2636
		2637	++$self->{_link_recursion};
		2638
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2640
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1824		2643
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1826	}	2645	}
1827		2646
1828	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1830		2651
1831	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1832		2653
1833	unless ($map) {	2654	unless ($map) {
1834	# restore original map position	2655	# restore original map position
…		…
1845	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1846	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1847		2668
1848	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1851		2672
1852	$map->load;	2673	$map->load;
1853	$map->load_diag;	2674	$map->load_neighbours;
1854		2675
1855	return unless $self->contr->active;	2676	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2677
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1860	}	2680	# entering was successful
1861		2681	delete $self->{_link_recursion};
1862	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2683	$self->activate_recursive;
1864	my ($pl) = @_;
1865
1866	# abort map switching before logout
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},	2684	}
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2685
1876	# try to abort aborted map switching on player login :)	2686	}
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2687
1894	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1895		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1896	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1897		2702
1898	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2714
1901	$self->enter_link;	2715	$self->enter_link;
1902		2716
1903	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1904	my $map = eval {	2739	my $map = eval {
1905	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1907	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2755	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1912	})->prio (1);	2763	})->prio (1);
1913	}	2764	}
1914		2765
1915	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1916		2767
…		…
1936	}	2787	}
1937		2788
1938	sub prepare_random_map {	2789	sub prepare_random_map {
1939	my ($exit) = @_;	2790	my ($exit) = @_;
1940		2791
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2794	# that depends on the exit object
1946		2795
1947	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2798	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1954	}	2805	}
1955		2806
1956	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1957		2808
1958	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1961		2812
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2815	undef $fh;
1965	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1966		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1969	}	2824	}
1970	}	2825	}
1971		2826
1972	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1974		2829
1975	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1976		2831
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2832	$self->enter_link;
1989		2833
1990	(async {	2834	(async {
1991	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1992	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1993	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1994		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1995	1;	2858	1
1996	}) {	2859	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2864
2002	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2003	$self->leave_link;	2866	$self->leave_link;
2004	}	2867	}
2005	})->prio (1);	2868	})->prio (1);
2006	}	2869	}
2007		2870
…		…
2021		2884
2022	utf8::encode $text;	2885	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2887	}
2025		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2026	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2027		3077
2028	Sends an exti event to the client.	3078	Sends an ext event to the client.
2029		3079
2030	=cut	3080	=cut
2031		3081
2032	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2034		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2037	}	3109	}
2038		3110
2039	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2040		3112
2041	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		3116
2045	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	3118	become reliable at some point in the future.
2047		3119
2048	=cut	3120	=cut
2049		3121
2050	sub cf::client::query {	3122	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	3131	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		3133
2062	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2064	}	3138	}
2065		3139
2066	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2067	on_reply => sub {	3146	on_reply => sub {
2068	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2069		3148
2070	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2071	# get handled first	3150	# get handled first
…		…
2083	} else {	3162	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3164	}
2086	}	3165	}
2087	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2088	);	3193	);
2089		3194
2090	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2091		3196
2092	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2108		3213
2109	$coro	3214	$coro
2110	}	3215	}
2111		3216
2112	cf::client->attach (	3217	cf::client->attach (
2113	on_destroy => sub {	3218	on_client_destroy => sub {
2114	my ($ns) = @_;	3219	my ($ns) = @_;
2115		3220
2116	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2117	},	3222	},
2118	);	3223	);
…		…
2133	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2135		3240
2136	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2137		3242
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2139		3248
2140	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2141		3250
2142	=pod	3251	=pod
2143		3252
2144	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2145		3254
2146	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2147	cf::object::player player	3260	cf::object::player
2148	cf::player peaceful	3261	player
2149	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2150		3268
2151	=cut	3269	=cut
2152		3270
2153	for (	3271	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2158	) {	3278	) {
2159	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2162	for @funs;	3281	for @funs;
2163	}	3282	}
2164		3283
…		…
2179		3298
2180	my $qcode = $code;	3299	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2183		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2184	local $_;	3306	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;
2186		3307
2187	my $eval =	3308	my $eval =
2188	"do {\n"	3309	"do {\n"
2189	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2190	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2191	. $code	3312	. $code
2192	. "\n}"	3313	. "\n}"
2193	;	3314	;
2194		3315
		3316	if ($CFG{safe_eval}) {
2195	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2196	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2197	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2198		3325
2199	if ($@) {	3326	if ($@) {
2200	warn "$@";	3327	warn "$@",
2201	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2202	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2203	}	3330	}
2204		3331
2205	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2206	}	3333	}
2207		3334
…		…
2221	=cut	3348	=cut
2222		3349
2223	sub register_script_function {	3350	sub register_script_function {
2224	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2225		3352
2226	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2227	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2228	}	3355	}
2229		3356
2230	=back	3357	=back
2231		3358
2232	=cut	3359	=cut
2233
2234	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305		3360
2306	#############################################################################	3361	#############################################################################
2307	# the server's init and main functions	3362	# the server's init and main functions
2308		3363
2309	sub load_facedata {	3364	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3365	my ($path) = @_;
2311		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2312	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2313		3374
2314	my $facedata;	3375	my $facedata;
2315	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2316	or die "$path: $!";	3377	or die "$path: $!";
2317		3378
2318	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2319		3380
2320	$facedata->{version} == 2	3381	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2323	{	3393	{
2324	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2325		3395
2326	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3403
		3404	cf::cede_to_tick;
2332	}	3405	}
2333		3406
2334	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2336	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2337	or next;	3411	or next;
		3412
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3416	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3418	}
2343	Coro::cede;	3419
		3420	cf::cede_to_tick;
2344	}	3421	}
2345	}	3422	}
2346		3423
2347	{	3424	{
2348	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2349		3426
2350	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3429	cf::cede_to_tick;
2353	}	3430	}
2354		3431
2355	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2356	}	3433	}
2357		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2358	1	3454	1
2359	}	3455	}
2360		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_exp {
		3505	cf::init_experience;
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2361	sub reload_resources {	3531	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3532	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3533
		3534	reload_exp;
2364	load_facedata	3535	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3536	reload_sound;
2366	}	3537	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3538	reload_regions;
2370	}	3539	reload_treasures;
2371		3540
2372	sub cfg_load {	3541	trace "finished reloading resource files\n";
		3542	}
		3543
		3544	sub reload_config {
		3545	trace "reloading config file...\n";
		3546
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3547	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3548	or return;
2375		3549
2376	local $/;	3550	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3551	*CFG = YAML::XS::Load scalar <$fh>;
2378		3552
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3554
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3557
2384	if (exists $CFG{mlockall}) {	3558	if (exists $CFG{mlockall}) {
…		…
2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2387	and die "WARNING: m(un)lockall failed: $!\n";	3561	and die "WARNING: m(un)lockall failed: $!\n";
2388	};	3562	};
2389	warn $@ if $@;	3563	warn $@ if $@;
2390	}	3564	}
		3565
		3566	trace "finished reloading resource files\n";
		3567	}
		3568
		3569	sub pidfile() {
		3570	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3571	or die "$PIDFILE: $!";
		3572	flock $fh, &Fcntl::LOCK_EX
		3573	or die "$PIDFILE: flock: $!";
		3574	$fh
		3575	}
		3576
		3577	# make sure only one server instance is running at any one time
		3578	sub atomic {
		3579	my $fh = pidfile;
		3580
		3581	my $pid = <$fh>;
		3582	kill 9, $pid if $pid > 0;
		3583
		3584	seek $fh, 0, 0;
		3585	print $fh $$;
		3586	}
		3587
		3588	sub main_loop {
		3589	trace "EV::loop starting\n";
		3590	if (1) {
		3591	EV::loop;
		3592	}
		3593	trace "EV::loop returned\n";
		3594	goto &main_loop unless $REALLY_UNLOOP;
2391	}	3595	}
2392		3596
2393	sub main {	3597	sub main {
		3598	cf::init_globals; # initialise logging
		3599
		3600	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3601	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3602	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3603	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3604
		3605	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3606
2394	# we must not ever block the main coroutine	3607	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3608	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3609	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3610	(async {
2398	Event::one_event;	3611	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3612	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3613	})->prio (Coro::PRIO_MAX);
2400	};	3614	};
2401		3615
2402	cfg_load;	3616	evthread_start IO::AIO::poll_fileno;
		3617
		3618	cf::sync_job {
		3619	cf::incloader::init ();
		3620
		3621	cf::init_anim;
		3622	cf::init_attackmess;
		3623	cf::init_dynamic;
		3624
		3625	cf::load_settings;
		3626	cf::load_materials;
		3627
		3628	reload_resources;
		3629	reload_config;
2403	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2404	load_extensions;	3640	load_extensions;
2405		3641
2406	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2408	}	3660	}
2409		3661
2410	#############################################################################	3662	#############################################################################
2411	# initialisation and cleanup	3663	# initialisation and cleanup
2412		3664
2413	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2414	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2423	},
2424	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2425	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2426	}	3761	}
2427		3762
2428	sub emergency_save() {	3763	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2430		3765
2431	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2432		3772
2433	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2434	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3784	$pl->save;
2442	}	3785	}
2443	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2444		3787
2445	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3793	$map->valid or next;
2449	$map->save;	3794	$map->save;
2450	}	3795	}
2451	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2452		3797
2453	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2456	};	3826	};
2457		3827
2458	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2459	}	3829	}
2460		3830
2461	sub post_cleanup {	3831	sub post_cleanup {
2462	my ($make_core) = @_;	3832	my ($make_core) = @_;
2463		3833
		3834	IO::AIO::flush;
		3835
2464	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3837	if $make_core;
2466	}
2467		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2468	sub reload() {	3868	sub do_reload_perl() {
2469	# can/must only be called in main	3869	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2471	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2472	return;	3872	return;
2473	}	3873	}
2474		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2475	warn "reloading...";	3881	info "reloading...";
2476		3882
2477	warn "entering sync_job";	3883	trace "entering sync_job";
2478		3884
2479	cf::sync_job {	3885	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3886	#cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3887
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3890	%EXT_CORO = ();
2508		3891
2509	warn "removing commands";	3892	trace "removing commands";
2510	%COMMAND = ();	3893	%COMMAND = ();
2511		3894
2512	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2513	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2514		3898
2515	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2518		3902
2519	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3904	eval {
2521	$cb->($pkg);	3905	$cb->($pkg);
2522	1	3906	1
2523	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2524	}	3912	}
2525		3913
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3917
2534	warn "... unloading $k";	3918	trace "... unloading $k";
2535	delete $INC{$k};	3919	delete $INC{$k};
2536		3920
2537	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2539		3923
2540	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2542	}	3929	}
2543		3930
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3934
2551	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3938
2554	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3940	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2557		3942
2558	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2559		3944
2560	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2561	require cf;	3946	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2563		3948
2564	warn "loading config and database again";	3949	trace "loading config and database again";
2565	cf::cfg_load;	3950	cf::reload_config;
2566		3951
2567	warn "loading extensions";	3952	trace "loading extensions";
2568	cf::load_extensions;	3953	cf::load_extensions;
2569		3954
		3955	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2576		3963
2577	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2578	reload_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3966
2580	warn "leaving sync_job";	3967	trace "leaving sync_job";
2581		3968
2582	1	3969	1
2583	} or do {	3970	} or do {
2584	warn $@;	3971	error $@;
2585	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2587	};	3996	};
2588		3997	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3998
2594	register_command "reload" => sub {	3999	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2596		4001
2597	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2599		4004	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4006	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4007	};
2612	}	4008	}
2613	};	4009	};
2614		4010
2615	unshift @INC, $LIBDIR;	4011	#############################################################################
2616		4012
2617	my $bug_warning = 0;	4013	my $bug_warning = 0;
2618		4014
2619	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4017
2622	prio => 0,	4018	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4020
2625	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2626	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2629	return;	4038	return;
2630	}	4039	}
2631		4040
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4042
		4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4044
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4049	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4051	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4052	}
2658	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2659		4072
2660	{	4073	{
2661	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4075
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2671		4077	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4079
2687	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4087
2690	cf::sync_job {	4088	cf::sync_job {
2691	eval {	4089	eval {
2692	BDB::db_env_open	4090	BDB::db_env_open
2693	$DB_ENV,	4091	$DB_ENV,
2694	$BDB_ENV_DIR,	4092	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4095	0666;
2698		4096
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4098	};
2704		4099
2705	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4101	};
2707	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2708	}	4113	}
2709		4114
2710	{	4115	{
		4116	# configure IO::AIO
		4117
2711	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2724		4168
2725	END { cf::emergency_save }	4169	END { cf::emergency_save }
2726		4170
2727	1	4171	1
2728		4172

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