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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
60		115
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	118	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
71		127
72	our %CFG;	128	our %CFG;
73		129
74	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
76		133
77	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		137
83	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
86	binmode STDOUT;	151	binmode STDOUT;
87	binmode STDERR;	152	binmode STDERR;
88		153
89	# read virtual server time, if available	154	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
94	}	159	}
95		160
96	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	162
98	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		165
103	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
104		167
105	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
106		184
107	#############################################################################	185	#############################################################################
108		186
109	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
110		188
…		…
117	=item $cf::RUNTIME	195	=item $cf::RUNTIME
118		196
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	198	every server tick.
121		199
122	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		203
124	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
126		208
127	=item $cf::NOW	209	=item $cf::NOW
128		210
129	The time of the last (current) server tick.	211	The time of the last (current) server tick.
130		212
131	=item $cf::TICK	213	=item $cf::TICK
132		214
133	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
134		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
135	=item %cf::CFG	227	=item %cf::CFG
136		228
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	230	from wherever your confdir points to.
139		231
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		233
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
146	=back	250	=back
147		251
148	=cut	252	=cut
149		253
150	BEGIN {	254	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	255	my $msg = join "", @_;
153		256
154	$msg .= "\n"	257	$msg .= "\n"
155	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
156		259
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		261
159	utf8::encode $msg;
160	LOG llevError, $msg;	262	LOG llevError, $msg;
161	};	263	};
162	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
163		278
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		286
171	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	288	# within the Safe compartment.
173	for my $pkg (qw(	289	for my $pkg (qw(
174	cf::global cf::attachable	290	cf::global cf::attachable
175	cf::object cf::object::player	291	cf::object cf::object::player
176	cf::client cf::player	292	cf::client cf::player
177	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
178	cf::map cf::party cf::region	295	cf::party cf::region
179	)) {	296	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	298	}
183		299
184	$Event::DIED = sub {	300	$EV::DIED = sub {
185	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
186	};	302	};
		303
		304	#############################################################################
187		305
188	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
189		307
190	=over 4	308	=over 4
191		309
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	329	$d
212	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
213	}	331	}
214		332
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
218		334
219	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
220		336
221	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
222		338
223	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
224		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
225	=item cf::lock_wait $string	362	=item cf::lock_wait $string
226		363
227	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
228		365
229	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
230		367
231	Wait until the given lock is available and then acquires it and returns	368	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,	369	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	370	for example when the coroutine gets canceled), the lock is automatically
234	returned.	371	returned.
235		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
236	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
238		378
239	=cut	379	=item $locked = cf::lock_active $string
240		380
241	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
242		386
243	sub lock_wait($) {	387	sub lock_wait($) {
244	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	389	}
252		390
253	sub lock_acquire($) {	391	sub lock_acquire($) {
254	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
255		394
256	# wait, to be sure we are not locked	395	sub lock_active($) {
257	lock_wait $key;	396	$LOCKS->count ($_[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	}	397	}
266		398
267	sub freeze_mainloop {	399	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
269		401
270	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
272	};	469	}
273	$TICK_WATCHER->stop;	470	};
274	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
275	}	485	}
276		486
277	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
278		488
279	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		494
285	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
286		496
287	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
288		498
289	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
292		503
293	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
296	fast or be very important.	507	fast or be very important.
…		…
299		510
300	sub sync_job(&) {	511	sub sync_job(&) {
301	my ($job) = @_;	512	my ($job) = @_;
302		513
303	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
304	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
306		519
307	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	521
309	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
310		523
311	my $busy = 1;	524	my $busy = 1;
312	my @res;	525	my @res;
313		526
314	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	529	@res = eval { $job->() };
316	warn $@ if $@;	530	warn $@ if $@;
317	undef $busy;	531	undef $busy;
318	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
319		533
320	while ($busy) {	534	while ($busy) {
321	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
322	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
323		545
324	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
325	} else {	547	} else {
326	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
327		549
…		…
347	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
348		570
349	$coro	571	$coro
350	}	572	}
351		573
352	sub write_runtime {	574	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		575
355	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
356		580
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
358	or return;
359		582
360	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		585
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
365	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
366		589
367	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	591	reset_signals;
369	and return;	592	&$cb
		593	}, @args;
370		594
371	close $fh	595	wantarray ? @res : $res[-1]
372	or return;	596	}
373		597
374	aio_rename "$runtime~", $runtime	598	sub objinfo {
375	and return;
376
377	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
378	}	761	}
379		762
380	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
381		764
382	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		777
395	#############################################################################	778	#############################################################################
396		779
397	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
398		781
399	Many objects in crossfire are so-called attachable objects. That means you can	782	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")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
402		785
403	In the following description, CLASS can be any of C<global>, C<object>	786	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	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	788	Deliantra).
406		789
407	=over 4	790	=over 4
408		791
409	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
410		793
…		…
454	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
455		838
456	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
458		841
459	Some classes such as crossfire maps and objects can specify attachments	842	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.	843	that are attached at load/instantiate time, thus the need for a name.
461		844
462	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
463		846
464	=over 4	847	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
574		957
575	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		962
580	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	964	my $pkg = shift @arg;
582		965
583	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
613	}	996	}
614		997
615	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
616	} else {	999	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	1001	}
619		1002
620	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
621	}	1004	}
622		1005
…		…
624	if (ref $_[0]) {	1007	if (ref $_[0]) {
625	_object_attach @_;	1008	_object_attach @_;
626	} else {	1009	} else {
627	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
628	}	1011	}
		1012	_recalc_want;
629	};	1013	};
630		1014
631	# all those should be optimised	1015	# all those should be optimised
632	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1021	reattach ($obj);
638	} else {	1022	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
640	}	1024	}
		1025	_recalc_want;
641	};	1026	};
642		1027
643	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
645		1030
…		…
660	";	1045	";
661	die if $@;	1046	die if $@;
662	}	1047	}
663		1048
664	our $override;	1049	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1051
667	sub override {	1052	sub override {
668	$override = 1;	1053	$override = 1;
669	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
670	}	1055	}
671		1056
672	sub do_invoke {	1057	sub do_invoke {
673	my $event = shift;	1058	my $event = shift;
674	my $callbacks = shift;	1059	my $callbacks = shift;
675		1060
676	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
677		1062
678	local $override;	1063	local $override;
679		1064
680	for (@$callbacks) {	1065	for (@$callbacks) {
681	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
690	}	1075	}
691		1076
692	0	1077	0
693	}	1078	}
694		1079
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1081
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1083
699	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
700		1085
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	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	1087	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1089
705	=back	1090	=back
706		1091
707	=cut	1092	=cut
708		1093
709	#############################################################################	1094	#############################################################################
710	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
711		1138
712	sub reattach {	1139	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1141	my ($obj) = @_;
715		1142
		1143	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1145
718	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
719		1147
720	@$registry = ();	1148	@$registry = ();
721		1149
…		…
736	cf::attachable->attach (	1164	cf::attachable->attach (
737	prio => -1000000,	1165	prio => -1000000,
738	on_instantiate => sub {	1166	on_instantiate => sub {
739	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
740		1168
741	$data = from_json $data;	1169	$data = decode_json $data;
742		1170
743	for (@$data) {	1171	for (@$data) {
744	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
745		1173
746	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1190	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
764		1192
765	sync_job {	1193	sync_job {
766	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
769		1198
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
774	close $fh;	1206	aio_close $fh;
775		1207
776	if (@$objs) {	1208	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1217	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
784	}	1219	}
785	} else {	1220	} else {
786	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
787	}	1222	}
788		1223
789	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1228	} else {
791	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
792	}	1230	}
793	} else {	1231	} else {
794	aio_unlink $filename;	1232	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
796	}	1234	}
797	}	1235	};
798	}	1236	}
799		1237
800	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
802		1240
…		…
814	or return;	1252	or return;
815		1253
816	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
818	or return;	1256	or return;
		1257
819	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
820	}	1260	}
821		1261
		1262	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
824	return ($data, $av);	1266	($data, $av)
825	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
826		1274
827	#############################################################################	1275	#############################################################################
828	# command handling &c	1276	# command handling &c
829		1277
830	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1292	}
845		1293
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1295
848	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
849		1301
850	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
851	called.	1303	called.
852		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
853	=cut	1316	=cut
854		1317
855	sub register_extcmd {	1318	sub register_extcmd {
856	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
857		1320
858	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
859	}	1322	}
860		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
861	cf::player->attach (	1332	cf::player->attach (
862	on_command => sub {	1333	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
864		1335
865	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
866	or return;	1337	or return;
867		1338
…		…
872	cf::override;	1343	cf::override;
873	},	1344	},
874	on_extcmd => sub {	1345	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
876		1347
877	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1349
879	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
885	} else {	1365	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1367	}
888		1368
889	cf::override;	1369	cf::override;
890	},	1370	},
891	);	1371	);
892		1372
		1373	# "readahead" all extensions
893	sub load_extension {	1374	sub cache_extensions {
894	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
895		1376
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1379	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	}	1380	}
921	die $@;
922	}	1381	};
923		1382
924	push @EXTS, $pkg;	1383	$grp
925	}	1384	}
926		1385
927	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
928	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1391	next unless -r $path;
930	eval {	1392
931	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
932	1	1456	}
933	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
934	}	1467	};
935	}	1468	}
936		1469
937	#############################################################################	1470	#############################################################################
938		1471
		1472	=back
		1473
939	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
940		1475
941	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
942		1477
943	=cut	1478	=cut
944		1479
945	package cf::player;	1480	package cf::player;
946		1481
…		…
948		1483
949	=head3 cf::player	1484	=head3 cf::player
950		1485
951	=over 4	1486	=over 4
952		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
953	=item cf::player::find $login	1502	=item cf::player::find $login
954		1503
955	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
956		1505
957	=cut	1506	=cut
958		1507
959	sub playerdir($) {	1508	sub playerdir($) {
960	cf::localdir	1509	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1511	}
966		1512
967	sub path($) {	1513	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1524
979	sub exists($) {	1525	sub exists($) {
980	my ($login) = @_;	1526	my ($login) = @_;
981		1527
982	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
984	}	1530	}
985		1531
986	sub find($) {	1532	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1534	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
999		1545
1000	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1003	}	1555	}
1004	}	1556	}
1005	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1006		1571
1007	sub save($) {	1572	sub save($) {
1008	my ($pl) = @_;	1573	my ($pl) = @_;
1009		1574
1010	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1016		1581
1017	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1019		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1020	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1021	Coro::cede;	1591	cf::cede_to_tick;
1022	}	1592	}
1023		1593
1024	sub new($) {	1594	sub new($) {
1025	my ($login) = @_;	1595	my ($login) = @_;
1026		1596
…		…
1032	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1033		1603
1034	$self	1604	$self
1035	}	1605	}
1036		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1037	=item $pl->quit_character	1617	=item $pl->quit_character
1038		1618
1039	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1041		1621
…		…
1045	my ($pl) = @_;	1625	my ($pl) = @_;
1046		1626
1047	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1048		1628
1049	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1631
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1056		1638
1057	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1089		1671
1090	=cut	1672	=cut
1091		1673
1092	sub list_logins {	1674	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1676	or return [];
1095		1677
1096	my @logins;	1678	my @logins;
1097		1679
1098	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1102		1690
1103	utf8::decode $login;	1691	utf8::decode $login;
1104	push @logins, $login;	1692	push @logins, $login;
1105	}	1693	}
1106		1694
1107	\@logins	1695	\@logins
1108	}	1696	}
1109		1697
1110	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1111		1701
1112	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1113	player. May block.	1703	player. May block.
1114		1704
1115	=cut	1705	=cut
…		…
1133	}	1723	}
1134		1724
1135	\@paths	1725	\@paths
1136	}	1726	}
1137		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1138	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1139		1733
1140	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1141		1735
1142	=cut	1736	=cut
1143		1737
1144	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1146		1740
1147	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1742	}
1151		1743
1152	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1153		1745
1154	Sends an ext event to the client.	1746	Sends an ext event to the client.
1155		1747
1156	=cut	1748	=cut
1157		1749
1158	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1160		1752
1161	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1162	}	1754	}
1163		1755
1164	=head3 cf::region	1756	=head3 cf::region
1165		1757
1166	=over 4	1758	=over 4
…		…
1169		1761
1170	package cf::region;	1762	package cf::region;
1171		1763
1172	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1173		1765
1174	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1175		1767
1176	=cut	1768	=cut
1177		1769
1178	sub find_by_path($) {	1770	sub find_by_path($) {
1179	my ($path) = @_;	1771	my ($path) = @_;
1180		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1181	my ($match, $specificity);	1775	my ($match, $specificity);
1182		1776
1183	for my $region (list) {	1777	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1187	}	1781	}
1188	}	1782	}
1189		1783
…		…
1210	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1212		1806
1213	sub generate_random_map {	1807	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1215	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1813	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1245		1842
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1844	}
1248		1845
1249	# also paths starting with '/'	1846	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1848
1252	sub thawer_merge {	1849	sub thawer_merge {
1253	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1254		1851
1255	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1256	local $self->{path};	1853	local $self->{path};
1257	local $self->{load_path};	1854	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1855
1261	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1262	}	1857	}
1263		1858
1264	sub normalise {	1859	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1312	return $self;	1907	return $self;
1313	}	1908	}
1314	}	1909	}
1315		1910
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1912	()
1318	}	1913	}
1319		1914
1320	sub init {	1915	sub init {
1321	my ($self) = @_;	1916	my ($self) = @_;
…		…
1336		1931
1337	# the original (read-only) location	1932	# the original (read-only) location
1338	sub load_path {	1933	sub load_path {
1339	my ($self) = @_;	1934	my ($self) = @_;
1340		1935
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1342	}	1937	}
1343		1938
1344	# the temporary/swap location	1939	# the temporary/swap location
1345	sub save_path {	1940	sub save_path {
1346	my ($self) = @_;	1941	my ($self) = @_;
1347		1942
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1350	}	1945	}
1351		1946
1352	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1353	sub uniq_path {	1948	sub uniq_path {
1354	my ($self) = @_;	1949	my ($self) = @_;
1355		1950
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1358	}	1953	}
1359		1954
1360	# and all this just because we cannot iterate over	1955	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1956	my ($self) = @_;
1364		1957
1365	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1367	}	1961	}
1368		1962
1369	sub unlink_save {	1963	sub unlink_save {
1370	my ($self) = @_;	1964	my ($self) = @_;
1371		1965
…		…
1376		1970
1377	sub load_header_from($) {	1971	sub load_header_from($) {
1378	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1379		1973
1380	utf8::encode $path;	1974	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1386		1983
1387	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1388		1985
1389	1	1986	1
1390	}	1987	}
…		…
1429	$self->load_header_orig	2026	$self->load_header_orig
1430	or return;	2027	or return;
1431	$self->prepare_orig;	2028	$self->prepare_orig;
1432	}	2029	}
1433		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1434	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2035	unless $self->default_region;
1436		2036
1437	1	2037	1
1438	}	2038	}
…		…
1441	sub find {	2041	sub find {
1442	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1443		2043
1444	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1445		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2048
1448	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1451	or return;	2051	or return;
1452		2052
1453	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1454		2054
1455	$map->load_header	2055	$map->load_header
1456	or return;	2056	or return;
1457		2057
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1461	$map->reset;	2063	$map->reset;
1462	undef $guard;
1463	return find $path;	2064	return find $path;
1464	}	2065	}
1465		2066
1466	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1467	}	2068	}
1468	}	2069	}
1469		2070
1470	sub pre_load { }	2071	sub pre_load { }
1471	sub post_load { }	2072	#sub post_load { } # XS
1472		2073
1473	sub load {	2074	sub load {
1474	my ($self) = @_;	2075	my ($self) = @_;
1475		2076
1476	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1477		2078
1478	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1480		2083
		2084	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2086
1483	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1484		2088
1485	$self->alloc;	2089	$self->alloc;
1486		2090
1487	$self->pre_load;	2091	$self->pre_load;
1488	Coro::cede;	2092	cf::cede_to_tick;
1489		2093
1490	$self->_load_objects ($self->{load_path}, 1)	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1491	or return;	2097	or return;
1492		2098
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1494	if delete $self->{load_original};	2100	if delete $self->{load_original};
1495		2101
1496	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2103	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2106	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1501	}	2110	}
1502	}	2111	}
1503		2112
1504	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1505	# now do the right thing for maps	2116	# now do the right thing for maps
1506	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2119	unless $self->difficulty;
1517	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1518	$self->activate;	2127	$self->activate;
1519	Coro::cede;	2128	}
		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
		2133	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2134	}
1521		2135
1522	$self->post_load;	2136	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2137	}
1527		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2142	sub customise_for {
1529	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1530		2144
1531	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2146	if $self->per_player;
1533		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1534	$self	2151	$self
1535	}	2152	}
1536		2153
1537	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2155	sub load_neighbours {
1539	my ($map) = @_;	2156	my ($map) = @_;
1540		2157
1541	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1542		2159
1543	for (0 .. 3) {	2160	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1545	or next;	2162	or next;
1546	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1547	or next;	2164	or next;
1548	$neigh->load;	2165	$neigh->load;
1549		2166
		2167	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2170	}
1553		2171
1554	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1556	or next;	2175	or next;
1557	$neigh->load;	2176	$neigh->load;
1558	}	2177	}
1559	}	2178	}
1560		2179
…		…
1565	}	2184	}
1566		2185
1567	sub do_load_sync {	2186	sub do_load_sync {
1568	my ($map) = @_;	2187	my ($map) = @_;
1569		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1570	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1571	}	2193	}
1572		2194
1573	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1575		2197
1576	sub find_async {	2198	sub find_async {
1577	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1578		2200
1579	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1580		2202
1581	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2205	}
1584		2206
1585	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1586	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1587	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2214	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2215	$map->load if $v;
		2216	}
1592		2217
1593	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1594	}	2219	}
1595	}	2220	}
1596	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1597	};	2222	};
1598	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1599		2224
1600	()	2225	()
1601	}	2226	}
1602		2227
		2228	# common code, used by both ->save and ->swapout
1603	sub save {	2229	sub _save {
1604	my ($self) = @_;	2230	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2231
1608	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1609		2233
1610	return unless $self->dirty;	2234	return unless $self->dirty;
1611		2235
…		…
1617	return if $self->{deny_save};	2241	return if $self->{deny_save};
1618		2242
1619	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1620		2244
1621	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1623	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1624		2251
1625	if ($uniq) {	2252	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2255	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2257	}
1631	}	2258	}
1632		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1633	sub swap_out {	2268	sub swap_out {
1634	my ($self) = @_;	2269	my ($self) = @_;
1635		2270
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1641	return if $self->players;	2275	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1645	$self->clear;	2286	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2287	}
1648		2288
1649	sub reset_at {	2289	sub reset_at {
1650	my ($self) = @_;	2290	my ($self) = @_;
1651		2291
1652	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1655		2294
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2297
…		…
1669	my ($self) = @_;	2308	my ($self) = @_;
1670		2309
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2311
1673	return if $self->players;	2312	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2313
1676	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1677		2315
1678	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1679		2317
1680	# need to save uniques path	2318	# need to save uniques path
1681	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2323	if $uniq;
1686	}	2324	}
1687		2325
1688	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1689		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2330	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2331
1694	$self->unlink_save;	2332	$self->unlink_save;
1695	$self->destroy;	2333	$self->destroy;
1696	}	2334	}
1697		2335
1698	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1699		2337
1700	sub nuke {	2338	sub nuke {
1701	my ($self) = @_;	2339	my ($self) = @_;
1702		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1703	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1704		2345
1705	$self->unlink_save;	2346	$self->unlink_save;
1706		2347
1707	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2353
1713	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1714		2356
1715	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1716	}	2394	}
1717		2395
1718	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1719		2397
1720	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2399	instantiated unique items. May block.
1722		2400
1723	=cut	2401	=cut
1724		2402
1725	sub unique_maps() {	2403	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1727	or return;	2405	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2406	utf8::decode $_;
1733	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2409	? ()
1736	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2412	]
1738
1739	\@paths
1740	}	2413	}
1741		2414
1742	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1743		2446
1744	=back	2447	=back
1745		2448
1746	=head3 cf::object	2449	=head3 cf::object
1747		2450
…		…
1751		2454
1752	=over 4	2455	=over 4
1753		2456
1754	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1755		2458
1756	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1757		2461
1758	=cut	2462	=cut
1759		2463
1760	sub inv_recursive_;	2464	sub inv_recursive_;
1761	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1764		2468
1765	sub inv_recursive {	2469	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1767	}	2471	}
1768		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1769	package cf;	2501	package cf;
1770		2502
1771	=back	2503	=back
1772		2504
1773	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1782		2514
1783	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1784		2530
1785	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2532	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1790		2536
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2538
1793	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1795	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1798	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1799	}	2564	}
1800		2565
1801	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1802		2567
1803	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1816		2581
1817	=item $player_object->enter_link	2582	=item $player_object->enter_link
1818		2583
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2585
1821	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1823		2590
1824	Will never block.	2591	Will never block.
1825		2592
1826	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1827		2594
…		…
1850	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1851		2618
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2620
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1856		2623
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2625	}
1859		2626
1860	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1862		2631
1863	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1864		2633
1865	unless ($map) {	2634	unless ($map) {
1866	# restore original map position	2635	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1879		2648
1880	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1883		2652
1884	$map->load;	2653	$map->load;
1885	$map->load_diag;	2654	$map->load_neighbours;
1886		2655
1887	return unless $self->contr->active;	2656	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2657
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1892	}
1893		2660
1894	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2662	$self->activate_recursive
1896	my ($pl) = @_;	2663	unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
1897		2665
1898	# abort map switching before logout	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2667
1908	# try to abort aborted map switching on player login :)	2668	Moves the player to the given map-path and coordinates by first freezing
1909	# should happen only on crashes	2669	her, loading and preparing them map, calling the provided $check callback
1910	if ($pl->ob->{_link_pos}) {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1911	$pl->ob->enter_link;	2671	the new (success) or old (failed) map position. In either case, $done will
1912	(async {	2672	be called at the end of this process.
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2673
1926	=item $player_object->goto ($path, $x, $y)	2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
1927		2676
1928	=cut	2677	=cut
		2678
		2679	our $GOTOGEN;
1929		2680
1930	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
		2683
		2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2686
1933	$self->enter_link;	2687	$self->enter_link;
1934		2688
1935	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
1936	my $map = eval {	2711	my $map = eval {
1937	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
		2716	$map = $check->($map) if $check && $map;
		2717	} else {
		2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
		2720
1939	$map	2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2727	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1944	})->prio (1);	2735	})->prio (1);
1945	}	2736	}
1946		2737
1947	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1948		2739
…		…
1968	}	2759	}
1969		2760
1970	sub prepare_random_map {	2761	sub prepare_random_map {
1971	my ($exit) = @_;	2762	my ($exit) = @_;
1972		2763
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2766	# that depends on the exit object
1978		2767
1979	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2770	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
1986	}	2777	}
1987		2778
1988	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
1989		2780
1990	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
1993		2784
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2787	undef $fh;
1997	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
1998		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2001	}	2796	}
2002	}	2797	}
2003		2798
2004	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2006		2801
2007	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2008		2803
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2804	$self->enter_link;
2021		2805
2022	(async {	2806	(async {
2023	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2024	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2025	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2026		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2027	1;	2830	1
2028	}) {	2831	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2836
2034	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2053		2856
2054	utf8::encode $text;	2857	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2859	}
2057		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2058	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2059		3049
2060	Sends an exti event to the client.	3050	Sends an ext event to the client.
2061		3051
2062	=cut	3052	=cut
2063		3053
2064	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2066		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2069	}	3081	}
2070		3082
2071	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2072		3084
2073	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3088
2077	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3090	become reliable at some point in the future.
2079		3091
2080	=cut	3092	=cut
2081		3093
2082	sub cf::client::query {	3094	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3103	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3105
2094	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2096	}	3110	}
2097		3111
2098	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2099	on_reply => sub {	3118	on_reply => sub {
2100	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2101		3120
2102	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2103	# get handled first	3122	# get handled first
…		…
2115	} else {	3134	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3136	}
2118	}	3137	}
2119	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2120	);	3165	);
2121		3166
2122	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2123		3168
2124	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3185
2141	$coro	3186	$coro
2142	}	3187	}
2143		3188
2144	cf::client->attach (	3189	cf::client->attach (
2145	on_destroy => sub {	3190	on_client_destroy => sub {
2146	my ($ns) = @_;	3191	my ($ns) = @_;
2147		3192
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3194	},
2150	);	3195	);
…		…
2165	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2167		3212
2168	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2169		3214
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2171		3220
2172	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2173		3222
2174	=pod	3223	=pod
2175		3224
2176	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2177		3226
2178	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2179	cf::object::player player	3232	cf::object::player
2180	cf::player peaceful	3233	player
2181	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2182		3240
2183	=cut	3241	=cut
2184		3242
2185	for (	3243	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2190	) {	3250	) {
2191	no strict 'refs';	3251	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3271
2212	my $qcode = $code;	3272	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2215		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2216	local $_;	3279	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3280
2219	my $eval =	3281	my $eval =
2220	"do {\n"	3282	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3285	. $code
2224	. "\n}"	3286	. "\n}"
2225	;	3287	;
2226		3288
		3289	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2230		3298
2231	if ($@) {	3299	if ($@) {
2232	warn "$@";	3300	warn "$@";
2233	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3321	=cut
2254		3322
2255	sub register_script_function {	3323	sub register_script_function {
2256	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2257		3325
2258	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2260	}	3328	}
2261		3329
2262	=back	3330	=back
2263		3331
2264	=cut	3332	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3333
2434	#############################################################################	3334	#############################################################################
2435	# the server's init and main functions	3335	# the server's init and main functions
2436		3336
2437	sub load_facedata($) {	3337	sub load_facedata($) {
2438	my ($path) = @_;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3345
2440	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2441		3347
2442	my $facedata;	3348	my $facedata;
2443	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2447		3353
2448	$facedata->{version} == 2	3354	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2451	{	3366	{
2452	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2453		3368
2454	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3376
		3377	cf::cede_to_tick;
2460	}	3378	}
2461		3379
2462	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2464	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2465	or next;	3384	or next;
		3385
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3389	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3391	}
2471	Coro::cede;	3392
		3393	cf::cede_to_tick;
2472	}	3394	}
2473	}	3395	}
2474		3396
2475	{	3397	{
2476	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2477		3399
2478	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3402	cf::cede_to_tick;
2481	}	3403	}
2482		3404
2483	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2484	}	3406	}
2485		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2486	1	3427	1
2487	}	3428	}
2488		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
		3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
		3473	load_resource_file "$MAPDIR/regions"
		3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
		3480	}
		3481
2489	sub reload_facedata {	3482	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3483	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3484	or die "unable to load facedata\n";
2492	}	3485	}
2493		3486
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3487	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3488	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3489	or die "unable to load archetypes\n";
2502	}	3490	}
2503		3491
2504	sub reload_treasures {	3492	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3493	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3494	or die "unable to load treasurelists\n";
2507	}	3495	}
2508		3496
2509	sub reload_resources {	3497	sub reload_resources {
2510	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2511		3499
2512	reload_regions;
2513	reload_facedata;	3500	reload_facedata;
2514	reload_archetypes;	3501	reload_archetypes;
		3502	reload_regions;
2515	reload_treasures;	3503	reload_treasures;
2516		3504
2517	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2518	}	3506	}
2519		3507
2520	sub init {	3508	sub reload_config {
2521	reload_resources;	3509	warn "reloading config file...\n";
2522	}
2523		3510
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3512	or return;
2527		3513
2528	local $/;	3514	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2530		3516
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3518
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2539	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2540	};	3526	};
2541	warn $@ if $@;	3527	warn $@ if $@;
2542	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2543	}	3559	}
2544		3560
2545	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2546	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3574	(async {
2550	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2552	};	3578	};
2553		3579
2554	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2555	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2556	load_extensions;	3603	load_extensions;
2557		3604
2558	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2560	}	3618	}
2561		3619
2562	#############################################################################	3620	#############################################################################
2563	# initialisation and cleanup	3621	# initialisation and cleanup
2564		3622
2565	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2566	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2575	},
2576	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2577	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2578	}	3719	}
2579		3720
2580	sub emergency_save() {	3721	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2582		3723
2583	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2584		3725
2585	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2586	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3740	$pl->save;
2594	}	3741	}
2595	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2596		3743
2597	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3747	$map->valid or next;
2601	$map->save;	3748	$map->save;
2602	}	3749	}
2603	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2604		3751
2605	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2608	};	3759	};
2609		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2610	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2611	}	3767	}
2612		3768
2613	sub post_cleanup {	3769	sub post_cleanup {
2614	my ($make_core) = @_;	3770	my ($make_core) = @_;
2615		3771
2616	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
2618	}	3802	}
2619		3803
2620	sub do_reload_perl() {	3804	sub do_reload_perl() {
2621	# can/must only be called in main	3805	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2623	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2624	return;	3808	return;
2625	}	3809	}
2626		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2627	warn "reloading...";	3816	warn "reloading...";
2628		3817
2629	warn "entering sync_job";	3818	warn "entering sync_job";
2630		3819
2631	cf::sync_job {	3820	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3822	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2635		3824
2636	warn "syncing database to disk";	3825	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3827
2639	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2640		3829
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3833	}
2677		3834
2678	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2680	}	3837	%EXT_CORO = ();
2681		3838
2682	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3848	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3849
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2693	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2694	}	3859	}
2695		3860
2696	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2697	}	3876	}
2698		3877
2699	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3881
2703	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
		3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3885
2706	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3887	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2709		3889
2710	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2711		3891
2712	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2713	require cf;	3893	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2715		3895
2716	warn "loading config and database again";	3896	warn "loading config and database again";
2717	cf::cfg_load;	3897	cf::reload_config;
2718		3898
2719	warn "loading extensions";	3899	warn "loading extensions";
2720	cf::load_extensions;	3900	cf::load_extensions;
2721		3901
		3902	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2728		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
2729	warn "leaving sync_job";	3914	warn "leaving sync_job";
2730		3915
2731	1	3916	1
2732	} or do {	3917	} or do {
2733	warn $@;	3918	warn $@;
2734	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3920	};
2737		3921
2738	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
2739	};	3928	};
2740		3929
2741	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
2742		3931
2743	sub reload_perl() {	3932	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
2746		3935
2747	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	3938
2750	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	3940	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
2754	},	3942	};
2755	);	3943	};
2756	}	3944	}
2757		3945
2758	register_command "reload" => sub {	3946	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2760		3948
2761	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3953	reload_perl;
		3954	};
2764	}	3955	}
2765	};	3956	};
2766		3957
2767	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2768		3959
…		…
2770		3961
2771	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
2773		3964
2774	sub wait_for_tick {	3965	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		3967
2778	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3970	$signal->wait;
2781	}	3971	}
2782		3972
2783	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		3975
2787	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3978	$signal->wait;
2790	}	3979	}
2791		3980
2792	$TICK_WATCHER = Event->timer (	3981	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2802	return;	3985	return;
2803	}	3986	}
2804		3987
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2808		3989
2809	$RUNTIME += $TICK;	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		3991
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3994	Coro::async_pool {
		3995	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3996	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3998	};
		3999	}
2819		4000
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	4002	$sig->send;
2831	}	4003	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	4005	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	4006	}
2838	);	4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
2839		4019
2840	{	4020	{
2841	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	4022
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
2851		4024	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		4026
2867	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4034
2870	cf::sync_job {	4035	cf::sync_job {
2871	eval {	4036	eval {
2872	BDB::db_env_open	4037	BDB::db_env_open
2873	$DB_ENV,	4038	$DB_ENV,
2874	$BDB_ENV_DIR,	4039	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4042	0666;
2878		4043
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	4045	};
2884		4046
2885	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4048	};
2887	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
2888	}	4060	}
2889		4061
2890	{	4062	{
		4063	# configure IO::AIO
		4064
2891	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4068	}
2897	data => WF_AUTOCANCEL,	4069
2898	fd => IO::AIO::poll_fileno,	4070	my $_log_backtrace;
2899	poll => 'r',	4071
2900	prio => 6,	4072	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	4073	my ($msg, @addr) = @_;
2902	);	4074
		4075	$msg =~ s/\n//;
		4076
		4077	# limit the # of concurrent backtraces
		4078	if ($_log_backtrace < 2) {
		4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
		4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
		4084	my @bt = fork_call {
		4085	@addr = map { sprintf "%x", $_ } @addr;
		4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4088	or die "addr2line: $!";
		4089
		4090	my @funcs;
		4091	my @res = <$fh>;
		4092	chomp for @res;
		4093	while (@res) {
		4094	my ($func, $line) = splice @res, 0, 2, ();
		4095	push @funcs, "[$func] $line";
		4096	}
		4097
		4098	@funcs
		4099	};
		4100
		4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4103	LOG llevInfo, "[ABT] $_\n" for @bt;
		4104	--$_log_backtrace;
		4105	};
		4106	} else {
		4107	LOG llevInfo, "[ABT] $msg\n";
		4108	LOG llevInfo, "[ABT] [suppressed]\n";
		4109	}
2903	}	4110	}
2904		4111
2905	# load additional modules	4112	# load additional modules
2906	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2907		4115
2908	END { cf::emergency_save }	4116	END { cf::emergency_save }
2909		4117
2910	1	4118	1
2911		4119

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