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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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}, $rmp->{difficulty_increase},
…		…
1253	my ($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";
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	}
1897		2664
1898	# abort map switching before logout	2665	=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		2666
1908	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1909	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1910	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1911	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1912	(async {	2671	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		2672
1926	=item $player_object->goto ($path, $x, $y)	2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1927		2675
1928	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1929		2679
1930	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2685
1933	$self->enter_link;	2686	$self->enter_link;
1934		2687
1935	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1936	my $map = eval {	2710	my $map = eval {
1937	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1939	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2726	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1944	})->prio (1);	2734	})->prio (1);
1945	}	2735	}
1946		2736
1947	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1948		2738
…		…
1968	}	2758	}
1969		2759
1970	sub prepare_random_map {	2760	sub prepare_random_map {
1971	my ($exit) = @_;	2761	my ($exit) = @_;
1972		2762
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2765	# that depends on the exit object
1978		2766
1979	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2769	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1986	}	2776	}
1987		2777
1988	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1989		2779
1990	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
1993		2783
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2786	undef $fh;
1997	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
1998		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2001	}	2795	}
2002	}	2796	}
2003		2797
2004	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2006		2800
2007	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2008		2802
2009	if ($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;	2803	$self->enter_link;
2021		2804
2022	(async {	2805	(async {
2023	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2024	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2025	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2026		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2027	1;	2829	1
2028	}) {	2830	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2835
2034	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2053		2855
2054	utf8::encode $text;	2856	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2858	}
2057		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2058	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2059		3048
2060	Sends an exti event to the client.	3049	Sends an ext event to the client.
2061		3050
2062	=cut	3051	=cut
2063		3052
2064	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2066		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2069	}	3080	}
2070		3081
2071	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2072		3083
2073	Queues a query to the client, calling the given callback with	3084	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>,	3085	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>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3087
2077	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3089	become reliable at some point in the future.
2079		3090
2080	=cut	3091	=cut
2081		3092
2082	sub cf::client::query {	3093	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3102	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3104
2094	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2096	}	3109	}
2097		3110
2098	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2099	on_reply => sub {	3117	on_reply => sub {
2100	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2101		3119
2102	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2103	# get handled first	3121	# get handled first
…		…
2115	} else {	3133	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3135	}
2118	}	3136	}
2119	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2120	);	3164	);
2121		3165
2122	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2123		3167
2124	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3184
2141	$coro	3185	$coro
2142	}	3186	}
2143		3187
2144	cf::client->attach (	3188	cf::client->attach (
2145	on_destroy => sub {	3189	on_client_destroy => sub {
2146	my ($ns) = @_;	3190	my ($ns) = @_;
2147		3191
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3193	},
2150	);	3194	);
…		…
2165	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2167		3211
2168	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2169		3213
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2171		3219
2172	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2173		3221
2174	=pod	3222	=pod
2175		3223
2176	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2177		3225
2178	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2179	cf::object::player player	3231	cf::object::player
2180	cf::player peaceful	3232	player
2181	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2182		3239
2183	=cut	3240	=cut
2184		3241
2185	for (	3242	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2190	) {	3249	) {
2191	no strict 'refs';	3250	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3270
2212	my $qcode = $code;	3271	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2215		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2216	local $_;	3278	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3279
2219	my $eval =	3280	my $eval =
2220	"do {\n"	3281	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3284	. $code
2224	. "\n}"	3285	. "\n}"
2225	;	3286	;
2226		3287
		3288	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2230		3297
2231	if ($@) {	3298	if ($@) {
2232	warn "$@";	3299	warn "$@";
2233	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3320	=cut
2254		3321
2255	sub register_script_function {	3322	sub register_script_function {
2256	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2257		3324
2258	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2260	}	3327	}
2261		3328
2262	=back	3329	=back
2263		3330
2264	=cut	3331	=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	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3332
2435	#############################################################################	3333	#############################################################################
2436	# the server's init and main functions	3334	# the server's init and main functions
2437		3335
2438	sub load_facedata($) {	3336	sub load_facedata($) {
2439	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3344
2441	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2442		3346
2443	my $facedata;	3347	my $facedata;
2444	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2448		3352
2449	$facedata->{version} == 2	3353	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2452	{	3365	{
2453	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2454		3367
2455	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3375
		3376	cf::cede_to_tick;
2461	}	3377	}
2462		3378
2463	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2465	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2466	or next;	3383	or next;
		3384
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3388	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3390	}
2472	Coro::cede;	3391
		3392	cf::cede_to_tick;
2473	}	3393	}
2474	}	3394	}
2475		3395
2476	{	3396	{
2477	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2478		3398
2479	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3401	cf::cede_to_tick;
2482	}	3402	}
2483		3403
2484	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2485	}	3405	}
2486		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2487	1	3426	1
2488	}	3427	}
2489		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
		3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
2490	sub reload_facedata {	3481	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3482	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
2493	}	3484	}
2494		3485
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3486	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3487	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3488	or die "unable to load archetypes\n";
2503	}	3489	}
2504		3490
2505	sub reload_treasures {	3491	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3492	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3493	or die "unable to load treasurelists\n";
2508	}	3494	}
2509		3495
2510	sub reload_resources {	3496	sub reload_resources {
2511	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2512		3498
2513	reload_regions;
2514	reload_facedata;	3499	reload_facedata;
2515	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2516	reload_treasures;	3502	reload_treasures;
2517		3503
2518	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2519	}	3505	}
2520		3506
2521	sub init {	3507	sub reload_config {
2522	reload_resources;	3508	warn "reloading config file...\n";
2523	}
2524		3509
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3511	or return;
2528		3512
2529	local $/;	3513	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2531		3515
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3517
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2540	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2541	};	3525	};
2542	warn $@ if $@;	3526	warn $@ if $@;
2543	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2544	}	3558	}
2545		3559
2546	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2547	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3573	(async {
2551	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2553	};	3577	};
2554		3578
2555	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2556	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2557	load_extensions;	3602	load_extensions;
2558		3603
2559	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2561	}	3617	}
2562		3618
2563	#############################################################################	3619	#############################################################################
2564	# initialisation and cleanup	3620	# initialisation and cleanup
2565		3621
2566	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2567	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2576	},
2577	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2578	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2579	}	3718	}
2580		3719
2581	sub emergency_save() {	3720	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2583		3722
2584	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2585		3724
2586	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2587	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3739	$pl->save;
2595	}	3740	}
2596	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2597		3742
2598	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3746	$map->valid or next;
2602	$map->save;	3747	$map->save;
2603	}	3748	}
2604	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2605		3750
2606	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2609	};	3758	};
2610		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2611	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2612	}	3766	}
2613		3767
2614	sub post_cleanup {	3768	sub post_cleanup {
2615	my ($make_core) = @_;	3769	my ($make_core) = @_;
2616		3770
2617	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2619	}	3801	}
2620		3802
2621	sub do_reload_perl() {	3803	sub do_reload_perl() {
2622	# can/must only be called in main	3804	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2624	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2625	return;	3807	return;
2626	}	3808	}
2627		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2628	warn "reloading...";	3815	warn "reloading...";
2629		3816
2630	warn "entering sync_job";	3817	warn "entering sync_job";
2631		3818
2632	cf::sync_job {	3819	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3821	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2636		3823
2637	warn "syncing database to disk";	3824	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3826
2640	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2641		3828
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3832	}
2678		3833
2679	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2681	}	3836	%EXT_CORO = ();
2682		3837
2683	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3847	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3848
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2694	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2695	}	3858	}
2696		3859
2697	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2698	}	3875	}
2699		3876
2700	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3880
2704	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		3884
2707	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3886	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2710		3888
2711	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2712		3890
2713	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2714	require cf;	3892	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2716		3894
2717	warn "loading config and database again";	3895	warn "loading config and database again";
2718	cf::cfg_load;	3896	cf::reload_config;
2719		3897
2720	warn "loading extensions";	3898	warn "loading extensions";
2721	cf::load_extensions;	3899	cf::load_extensions;
2722		3900
		3901	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2729		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2730	warn "leaving sync_job";	3913	warn "leaving sync_job";
2731		3914
2732	1	3915	1
2733	} or do {	3916	} or do {
2734	warn $@;	3917	warn $@;
2735	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3919	};
2738		3920
2739	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2740	};	3927	};
2741		3928
2742	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2743		3930
2744	sub reload_perl() {	3931	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2747		3934
2748	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	3937
2751	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	3939	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2755	},	3941	};
2756	);	3942	};
2757	}	3943	}
2758		3944
2759	register_command "reload" => sub {	3945	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2761		3947
2762	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3952	reload_perl;
		3953	};
2765	}	3954	}
2766	};	3955	};
2767		3956
2768	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2769		3958
…		…
2771		3960
2772	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2774		3963
2775	sub wait_for_tick {	3964	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2778		3966
2779	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3969	$signal->wait;
2782	}	3970	}
2783		3971
2784	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2787		3974
2788	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3977	$signal->wait;
2791	}	3978	}
2792		3979
2793	$TICK_WATCHER = Event->timer (	3980	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2803	return;	3984	return;
2804	}	3985	}
2805		3986
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2809		3988
2810	$RUNTIME += $TICK;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2811	$NEXT_TICK += $TICK;
2812		3990
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3995	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3997	};
		3998	}
2820		3999
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	4001	$sig->send;
2832	}	4002	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	4004	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	4005	}
2839	);	4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
2840		4018
2841	{	4019	{
2842	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	4021
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2852		4023	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		4025
2868	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		4033
2871	cf::sync_job {	4034	cf::sync_job {
2872	eval {	4035	eval {
2873	BDB::db_env_open	4036	BDB::db_env_open
2874	$DB_ENV,	4037	$DB_ENV,
2875	$BDB_ENV_DIR,	4038	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	4041	0666;
2879		4042
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	4044	};
2885		4045
2886	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	4047	};
2888	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2889	}	4059	}
2890		4060
2891	{	4061	{
		4062	# configure IO::AIO
		4063
2892	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	4067	}
2898	data => WF_AUTOCANCEL,	4068
2899	fd => IO::AIO::poll_fileno,	4069	my $_log_backtrace;
2900	poll => 'r',	4070
2901	prio => 6,	4071	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	4072	my ($msg, @addr) = @_;
2903	);	4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
2904	}	4109	}
2905		4110
2906	# load additional modules	4111	# load additional modules
2907	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2908		4114
2909	END { cf::emergency_save }	4115	END { cf::emergency_save }
2910		4116
2911	1	4117	1
2912		4118

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