ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 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 Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
30		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		80
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	115	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
64		124
65	our %CFG;	125	our %CFG;
66		126
67	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
69		130
70	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		134
79	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
82	binmode STDOUT;	148	binmode STDOUT;
83	binmode STDERR;	149	binmode STDERR;
84		150
85	# read virtual server time, if available	151	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
90	}	156	}
91		157
92	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	159
94	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		162
99	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
100		164
101	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
102		177
103	#############################################################################	178	#############################################################################
104		179
105	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
106		181
…		…
113	=item $cf::RUNTIME	188	=item $cf::RUNTIME
114		189
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	191	every server tick.
117		192
118	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		196
120	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
122		201
123	=item $cf::NOW	202	=item $cf::NOW
124		203
125	The time of the last (current) server tick.	204	The time of the last (current) server tick.
126		205
127	=item $cf::TICK	206	=item $cf::TICK
128		207
129	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
130		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
131	=item %cf::CFG	220	=item %cf::CFG
132		221
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	223	from wherever your confdir points to.
135		224
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		226
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
142		242
143	=back	243	=back
144		244
145	=cut	245	=cut
146		246
147	BEGIN {	247	$Coro::State::WARNHOOK = sub {
148	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	248	my $msg = join "", @_;
150	utf8::encode $msg;
151		249
152	$msg .= "\n"	250	$msg .= "\n"
153	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
154		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
155	LOG llevError, $msg;	255	LOG llevError, $msg;
156	};	256	};
157	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
158		271
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		279
166	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	281	# within the Safe compartment.
168	for my $pkg (qw(	282	for my $pkg (qw(
169	cf::global cf::attachable	283	cf::global cf::attachable
170	cf::object cf::object::player	284	cf::object cf::object::player
171	cf::client cf::player	285	cf::client cf::player
172	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
173	cf::map cf::party cf::region	288	cf::party cf::region
174	)) {	289	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	291	}
178		292
179	$Event::DIED = sub {	293	$EV::DIED = sub {
180	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
181	};	295	};
		296
		297	#############################################################################
182		298
183	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
184		300
185	=over 4	301	=over 4
186		302
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	322	$d
207	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
208	}	324	}
209		325
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
213		327
214	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
215		329
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
224		331
225	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
226		333
227	=cut	334	=cut
228		335
229	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
231	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
232	}	353	}
233		354
234	=item cf::lock_wait $string	355	=item cf::lock_wait $string
235		356
236	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
237		358
238	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
239		360
240	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
243	returned.	364	returned.
244		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
245	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
247		371
248	=cut	372	=item $locked = cf::lock_active $string
249		373
250	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
251		379
252	sub lock_wait($) {	380	sub lock_wait($) {
253	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	382	}
261		383
262	sub lock_acquire($) {	384	sub lock_acquire($) {
263	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
264		387
265	# wait, to be sure we are not locked	388	sub lock_active($) {
266	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	390	}
275		391
276	sub freeze_mainloop {	392	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
278		394
279	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
281	};	462	}
282	$TICK_WATCHER->stop;	463	};
283	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
284	}	478	}
285		479
286	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
287		481
288	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		487
294	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
295		489
296	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
297		491
298	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
301		496
302	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
305	fast or be very important.	500	fast or be very important.
…		…
308		503
309	sub sync_job(&) {	504	sub sync_job(&) {
310	my ($job) = @_;	505	my ($job) = @_;
311		506
312	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
313	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
315		512
316	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	514
318	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
319		516
320	my $busy = 1;	517	my $busy = 1;
321	my @res;	518	my @res;
322		519
323	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	522	@res = eval { $job->() };
325	warn $@ if $@;	523	warn $@ if $@;
326	undef $busy;	524	undef $busy;
327	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
328		526
329	while ($busy) {	527	while ($busy) {
330	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
331	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
332		538
333	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
334	} else {	540	} else {
335	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
336		542
…		…
356	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
357		563
358	$coro	564	$coro
359	}	565	}
360		566
361	sub write_runtime {	567	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		568
364	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
365		573
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
367	or return;
368		575
369	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		578
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
374	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
375		582
376	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	584	reset_signals;
378	and return;	585	&$cb
		586	}, @args;
379		587
380	close $fh	588	wantarray ? @res : $res[-1]
381	or return;	589	}
382		590
383	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
384	and return;
385		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
386	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	754	}
388		755
389	=back	756	=back
390		757
391	=cut	758	=cut
392		759
393	#############################################################################	760	#############################################################################
394		761
395	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
396		763
397	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
400		767
401	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	770	Deliantra).
404		771
405	=over 4	772	=over 4
406		773
407	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
408		775
…		…
452	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
453		820
454	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
456		823
457	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
459		826
460	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
461		828
462	=over 4	829	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
572		939
573	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		944
578	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	946	my $pkg = shift @arg;
580		947
581	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
611	}	978	}
612		979
613	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
614	} else {	981	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	983	}
617		984
618	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
619	}	986	}
620		987
…		…
622	if (ref $_[0]) {	989	if (ref $_[0]) {
623	_object_attach @_;	990	_object_attach @_;
624	} else {	991	} else {
625	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
626	}	993	}
		994	_recalc_want;
627	};	995	};
628		996
629	# all those should be optimised	997	# all those should be optimised
630	sub cf::attachable::detach {	998	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1003	reattach ($obj);
636	} else {	1004	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
638	}	1006	}
		1007	_recalc_want;
639	};	1008	};
640		1009
641	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
643		1012
…		…
658	";	1027	";
659	die if $@;	1028	die if $@;
660	}	1029	}
661		1030
662	our $override;	1031	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1033
665	sub override {	1034	sub override {
666	$override = 1;	1035	$override = 1;
667	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
668	}	1037	}
669		1038
670	sub do_invoke {	1039	sub do_invoke {
671	my $event = shift;	1040	my $event = shift;
672	my $callbacks = shift;	1041	my $callbacks = shift;
673		1042
674	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
675		1044
676	local $override;	1045	local $override;
677		1046
678	for (@$callbacks) {	1047	for (@$callbacks) {
679	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
688	}	1057	}
689		1058
690	0	1059	0
691	}	1060	}
692		1061
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1063
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1065
697	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
698		1067
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1071
703	=back	1072	=back
704		1073
705	=cut	1074	=cut
706		1075
707	#############################################################################	1076	#############################################################################
708	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
709		1120
710	sub reattach {	1121	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1123	my ($obj) = @_;
713		1124
		1125	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1127
716	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
717		1129
718	@$registry = ();	1130	@$registry = ();
719		1131
…		…
734	cf::attachable->attach (	1146	cf::attachable->attach (
735	prio => -1000000,	1147	prio => -1000000,
736	on_instantiate => sub {	1148	on_instantiate => sub {
737	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
738		1150
739	$data = from_json $data;	1151	$data = decode_json $data;
740		1152
741	for (@$data) {	1153	for (@$data) {
742	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
743		1155
744	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1172	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
762		1174
763	sync_job {	1175	sync_job {
764	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
767		1180
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
772	close $fh;	1188	aio_close $fh;
773		1189
774	if (@$objs) {	1190	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
780	close $fh;	1199	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
782	}	1201	}
783	} else {	1202	} else {
784	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
785	}	1204	}
786		1205
787	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1210	} else {
789	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
790	}	1212	}
791	} else {	1213	} else {
792	aio_unlink $filename;	1214	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
794	}	1216	}
795	}	1217	};
796	}	1218	}
797		1219
798	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
800		1222
…		…
812	or return;	1234	or return;
813		1235
814	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
816	or return;	1238	or return;
		1239
817	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
818	}	1242	}
819		1243
		1244	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
822	return ($data, $av);	1248	($data, $av)
823	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
824		1256
825	#############################################################################	1257	#############################################################################
826	# command handling &c	1258	# command handling &c
827		1259
828	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1274	}
843		1275
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1277
846	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
847		1283
848	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
849	called.	1285	called.
850		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
851	=cut	1298	=cut
852		1299
853	sub register_extcmd {	1300	sub register_extcmd {
854	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
855		1302
856	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
857	}	1304	}
858		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
859	cf::player->attach (	1314	cf::player->attach (
860	on_command => sub {	1315	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
862		1317
863	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
864	or return;	1319	or return;
865		1320
…		…
870	cf::override;	1325	cf::override;
871	},	1326	},
872	on_extcmd => sub {	1327	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
874		1329
875	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1331
877	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
883	} else {	1347	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1349	}
886		1350
887	cf::override;	1351	cf::override;
888	},	1352	},
889	);	1353	);
890		1354
		1355	# "readahead" all extensions
891	sub load_extension {	1356	sub cache_extensions {
892	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
893		1358
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1362	}
919	die $@;
920	}	1363	};
921		1364
922	push @EXTS, $pkg;	1365	$grp
923	}	1366	}
924		1367
925	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
926	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1373	next unless -r $path;
928	eval {	1374
929	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
930	1	1435	}
931	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
932	}	1446	};
933	}	1447	}
934		1448
935	#############################################################################	1449	#############################################################################
936		1450
		1451	=back
		1452
937	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
938		1454
939	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
940		1456
941	=cut	1457	=cut
942		1458
943	package cf::player;	1459	package cf::player;
944		1460
…		…
946		1462
947	=head3 cf::player	1463	=head3 cf::player
948		1464
949	=over 4	1465	=over 4
950		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
951	=item cf::player::find $login	1481	=item cf::player::find $login
952		1482
953	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
954		1484
955	=cut	1485	=cut
956		1486
957	sub playerdir($) {	1487	sub playerdir($) {
958	cf::localdir	1488	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1490	}
964		1491
965	sub path($) {	1492	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1494
968	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
969	}	1496	}
970		1497
971	sub find_active($) {	1498	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
976		1503
977	sub exists($) {	1504	sub exists($) {
978	my ($login) = @_;	1505	my ($login) = @_;
979		1506
980	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
982	}	1509	}
983		1510
984	sub find($) {	1511	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1513	my $login = $_[0];
987		1514
988	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
989		1516
990	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
992	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
994	}	1534	}
995	}	1535	}
996	}	1536	}
997		1537
…		…
1006	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1007		1547
1008	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1010		1550
		1551	cf::get_slot 0.01;
		1552
1011	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1012	Coro::cede;	1554	cf::cede_to_tick;
1013	}	1555	}
1014		1556
1015	sub new($) {	1557	sub new($) {
1016	my ($login) = @_;	1558	my ($login) = @_;
1017		1559
…		…
1023	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1024		1566
1025	$self	1567	$self
1026	}	1568	}
1027		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1028	=item $pl->quit_character	1580	=item $pl->quit_character
1029		1581
1030	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1032		1584
…		…
1036	my ($pl) = @_;	1588	my ($pl) = @_;
1037		1589
1038	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1039		1591
1040	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1594
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1047		1601
1048	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1080		1634
1081	=cut	1635	=cut
1082		1636
1083	sub list_logins {	1637	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1639	or return [];
1086		1640
1087	my @logins;	1641	my @logins;
1088		1642
1089	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1093		1653
1094	utf8::decode $login;	1654	utf8::decode $login;
1095	push @logins, $login;	1655	push @logins, $login;
1096	}	1656	}
1097		1657
…		…
1124	}	1684	}
1125		1685
1126	\@paths	1686	\@paths
1127	}	1687	}
1128		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1130		1694
1131	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1132		1696
1133	=cut	1697	=cut
1134		1698
1135	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1137		1701
1138	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1703	}
1142		1704
1143	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1144		1745
1145	=back	1746	=back
1146
1147		1747
1148	=head3 cf::map	1748	=head3 cf::map
1149		1749
1150	=over 4	1750	=over 4
1151		1751
…		…
1163	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1165		1765
1166	sub generate_random_map {	1766	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1168	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1772	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1206	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1207		1810
1208	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1209	local $self->{path};	1812	local $self->{path};
1210	local $self->{load_path};	1813	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1814
1214	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1215	}	1816	}
1216		1817
1217	sub normalise {	1818	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1265	return $self;	1866	return $self;
1266	}	1867	}
1267	}	1868	}
1268		1869
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1871	()
1271	}	1872	}
1272		1873
1273	sub init {	1874	sub init {
1274	my ($self) = @_;	1875	my ($self) = @_;
…		…
1289		1890
1290	# the original (read-only) location	1891	# the original (read-only) location
1291	sub load_path {	1892	sub load_path {
1292	my ($self) = @_;	1893	my ($self) = @_;
1293		1894
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1295	}	1896	}
1296		1897
1297	# the temporary/swap location	1898	# the temporary/swap location
1298	sub save_path {	1899	sub save_path {
1299	my ($self) = @_;	1900	my ($self) = @_;
1300		1901
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1303	}	1904	}
1304		1905
1305	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1306	sub uniq_path {	1907	sub uniq_path {
1307	my ($self) = @_;	1908	my ($self) = @_;
1308		1909
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1311	}	1912	}
1312		1913
1313	# and all this just because we cannot iterate over	1914	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1915	my ($self) = @_;
1317		1916
1318	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1320	}	1920	}
1321		1921
1322	sub unlink_save {	1922	sub unlink_save {
1323	my ($self) = @_;	1923	my ($self) = @_;
1324		1924
…		…
1329		1929
1330	sub load_header_from($) {	1930	sub load_header_from($) {
1331	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1332		1932
1333	utf8::encode $path;	1933	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1339		1942
1340	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1341		1944
1342	1	1945	1
1343	}	1946	}
…		…
1382	$self->load_header_orig	1985	$self->load_header_orig
1383	or return;	1986	or return;
1384	$self->prepare_orig;	1987	$self->prepare_orig;
1385	}	1988	}
1386		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
		1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
1387	1	1996	1
1388	}	1997	}
1389		1998
1390	sub find;	1999	sub find;
1391	sub find {	2000	sub find {
1392	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1393		2002
1394	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1395		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2007
1398	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1401	or return;	2010	or return;
1402		2011
1403	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1404		2013
1405	$map->load_header	2014	$map->load_header
1406	or return;	2015	or return;
1407		2016
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1411	$map->reset;	2022	$map->reset;
1412	undef $guard;
1413	return find $path;	2023	return find $path;
1414	}	2024	}
1415		2025
1416	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1417	}	2027	}
1418	}	2028	}
1419		2029
1420	sub pre_load { }	2030	sub pre_load { }
1421	sub post_load { }	2031	#sub post_load { } # XS
1422		2032
1423	sub load {	2033	sub load {
1424	my ($self) = @_;	2034	my ($self) = @_;
1425		2035
1426	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1427		2037
1428	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1430		2042
		2043	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2045
1433	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1434		2047
1435	$self->alloc;	2048	$self->alloc;
1436		2049
1437	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1438		2052
1439	$self->_load_objects ($self->{load_path}, 1)	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1440	or return;	2056	or return;
1441		2057
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1443	if delete $self->{load_original};	2059	if delete $self->{load_original};
1444		2060
1445	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2062	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2065	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1450	}	2069	}
1451	}	2070	}
1452		2071
1453	Coro::cede;	2072	$f->resolve_delayed_derefs;
1454		2073
		2074	cf::cede_to_tick;
1455	# now do the right thing for maps	2075	# now do the right thing for maps
1456	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2078	unless $self->difficulty;
1466	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1467	$self->activate;	2086	$self->activate;
		2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2093	}
1469		2094
1470	$self->post_load;	2095	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2096	}
1474		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2101	sub customise_for {
1476	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1477		2103
1478	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2105	if $self->per_player;
1480		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1481	$self	2110	$self
1482	}	2111	}
1483		2112
1484	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2114	sub load_neighbours {
1486	my ($map) = @_;	2115	my ($map) = @_;
1487		2116
1488	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1489		2118
1490	for (0 .. 3) {	2119	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1492	or next;	2121	or next;
1493	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1494	or next;	2123	or next;
1495	$neigh->load;	2124	$neigh->load;
1496		2125
		2126	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2129	}
1500		2130
1501	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1503	or next;	2134	or next;
1504	$neigh->load;	2135	$neigh->load;
1505	}	2136	}
1506	}	2137	}
1507		2138
…		…
1512	}	2143	}
1513		2144
1514	sub do_load_sync {	2145	sub do_load_sync {
1515	my ($map) = @_;	2146	my ($map) = @_;
1516		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1517	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1518	}	2152	}
1519		2153
1520	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1522		2156
1523	sub find_async {	2157	sub find_async {
1524	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1525		2159
1526	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1527		2161
1528	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2164	}
1531		2165
1532	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1533	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1534	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2173	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2174	$map->load if $v;
		2175	}
1539		2176
1540	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1541	}	2178	}
1542	}	2179	}
1543	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1544	};	2181	};
1545	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2185	}
1549		2186
1550	sub save {	2187	sub save {
1551	my ($self) = @_;	2188	my ($self) = @_;
1552		2189
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2191
1555	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1556		2193
1557	return unless $self->dirty;	2194	return unless $self->dirty;
1558		2195
…		…
1564	return if $self->{deny_save};	2201	return if $self->{deny_save};
1565		2202
1566	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1567		2204
1568	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1570	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1571		2211
1572	if ($uniq) {	2212	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2215	} else {
…		…
1581	my ($self) = @_;	2221	my ($self) = @_;
1582		2222
1583	# save first because save cedes	2223	# save first because save cedes
1584	$self->save;	2224	$self->save;
1585		2225
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2227
1588	return if $self->players;	2228	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2230	return if $self->{deny_save};
1591		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2236	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2237	}
1595		2238
1596	sub reset_at {	2239	sub reset_at {
1597	my ($self) = @_;	2240	my ($self) = @_;
1598		2241
1599	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1602		2244
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2247
…		…
1616	my ($self) = @_;	2258	my ($self) = @_;
1617		2259
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2261
1620	return if $self->players;	2262	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2263
1623	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
1624		2265
1625	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1626		2267
1627	# need to save uniques path	2268	# need to save uniques path
1628	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2273	if $uniq;
1633	}	2274	}
1634		2275
1635	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1636		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2280	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2281
1641	$self->unlink_save;	2282	$self->unlink_save;
1642	$self->destroy;	2283	$self->destroy;
1643	}	2284	}
1644		2285
1645	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1646		2287
1647	sub nuke {	2288	sub nuke {
1648	my ($self) = @_;	2289	my ($self) = @_;
1649		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1650	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1651		2295
1652	$self->unlink_save;	2296	$self->unlink_save;
1653		2297
1654	bless $self, "cf::map";	2298	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2303
1660	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1661		2306
1662	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
		2308	}
		2309
		2310	=item $maps = cf::map::tmp_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
		2326	}
		2327
		2328	=item $maps = cf::map::random_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
		2332
		2333	=cut
		2334
		2335	sub random_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
1663	}	2344	}
1664		2345
1665	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1666		2347
1667	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2349	instantiated unique items. May block.
1669		2350
1670	=cut	2351	=cut
1671		2352
1672	sub unique_maps() {	2353	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1674	or return;	2355	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2356	utf8::decode $_;
1680	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2359	? ()
1683	push @paths, cf::map::normalise $_;	2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2362	]
1685
1686	\@paths
1687	}	2363	}
1688		2364
1689	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
1690		2396
1691	=back	2397	=back
1692		2398
1693	=head3 cf::object	2399	=head3 cf::object
1694		2400
…		…
1698		2404
1699	=over 4	2405	=over 4
1700		2406
1701	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1702		2408
1703	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1704		2411
1705	=cut	2412	=cut
1706		2413
1707	sub inv_recursive_;	2414	sub inv_recursive_;
1708	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1711		2418
1712	sub inv_recursive {	2419	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1714	}	2421	}
1715		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1716	package cf;	2451	package cf;
1717		2452
1718	=back	2453	=back
1719		2454
1720	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1729		2464
1730	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1731		2480
1732	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2482	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1737		2486
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2488
1740	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1742	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1745	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1746	}	2514	}
1747		2515
1748	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1749		2517
1750	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1763		2531
1764	=item $player_object->enter_link	2532	=item $player_object->enter_link
1765		2533
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2535
1768	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
1770		2540
1771	Will never block.	2541	Will never block.
1772		2542
1773	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1774		2544
…		…
1797	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1798		2568
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2570
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1803		2573
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2575	}
1806		2576
1807	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1809		2581
1810	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1811		2583
1812	unless ($map) {	2584	unless ($map) {
1813	# restore original map position	2585	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1826		2598
1827	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1830		2602
1831	$map->load;	2603	$map->load;
1832	$map->load_diag;	2604	$map->load_neighbours;
1833		2605
1834	return unless $self->contr->active;	2606	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2607
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1839	}
1840		2610
1841	cf::player->attach (	2611	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2612	$self->activate_recursive;
1843	my ($pl) = @_;	2613	}
1844		2614
1845	# abort map switching before logout	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2616
1855	# try to abort aborted map switching on player login :)	2617	Moves the player to the given map-path and coordinates by first freezing
1856	# should happen only on crashes	2618	her, loading and preparing them map, calling the provided $check callback
1857	if ($pl->ob->{_link_pos}) {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1858	$pl->ob->enter_link;	2620	the new (success) or old (failed) map position. In either case, $done will
1859	(async {	2621	be called at the end of this process.
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2622
1873	=item $player_object->goto ($path, $x, $y)	2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
1874		2625
1875	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1876		2629
1877	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
		2632
		2633	# do generation counting so two concurrent goto's will be executed in-order
		2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2635
1880	$self->enter_link;	2636	$self->enter_link;
1881		2637
1882	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
1883	my $map = eval {	2660	my $map = eval {
1884	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
		2665	$map = $check->($map) if $check && $map;
		2666	} else {
		2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
		2669
1886	$map	2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2676	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1891	})->prio (1);	2684	})->prio (1);
1892	}	2685	}
1893		2686
1894	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1895		2688
…		…
1915	}	2708	}
1916		2709
1917	sub prepare_random_map {	2710	sub prepare_random_map {
1918	my ($exit) = @_;	2711	my ($exit) = @_;
1919		2712
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2715	# that depends on the exit object
1925		2716
1926	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2719	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1933	}	2726	}
1934		2727
1935	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1936		2729
1937	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
1940		2733
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2736	undef $fh;
1944	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
1945		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1948	}	2745	}
1949	}	2746	}
1950		2747
1951	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
1953		2750
1954	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1955		2752
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2753	$self->enter_link;
1966		2754
1967	(async {	2755	(async {
1968	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1969	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
1970	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
1971		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1972	1;	2779	1
1973	}) {	2780	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2785
1979	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2787	$self->leave_link;
1981	}	2788	}
1982	})->prio (1);	2789	})->prio (1);
…		…
1998		2805
1999	utf8::encode $text;	2806	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2808	}
2002		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
		2997	=item $client->ext_msg ($type, @msg)
		2998
		2999	Sends an ext event to the client.
		3000
		3001	=cut
		3002
		3003	sub cf::client::ext_msg($$@) {
		3004	my ($self, $type, @msg) = @_;
		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
		3009	push @msg, msgtype => "event_$type";
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
		3030	}
2003		3031
2004	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2005		3033
2006	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3037
2010	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3039	become reliable at some point in the future.
2012		3040
2013	=cut	3041	=cut
2014		3042
2015	sub cf::client::query {	3043	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3052	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3054
2027	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
2029	}	3059	}
2030		3060
2031	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
2032	on_reply => sub {	3067	on_reply => sub {
2033	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
2034		3069
2035	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
2036	# get handled first	3071	# get handled first
…		…
2048	} else {	3083	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3085	}
2051	}	3086	}
2052	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
2053	);	3114	);
2054		3115
2055	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2056		3117
2057	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3134
2074	$coro	3135	$coro
2075	}	3136	}
2076		3137
2077	cf::client->attach (	3138	cf::client->attach (
2078	on_destroy => sub {	3139	on_client_destroy => sub {
2079	my ($ns) = @_;	3140	my ($ns) = @_;
2080		3141
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3143	},
2083	);	3144	);
…		…
2098	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2100		3161
2101	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2102		3163
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2104		3169
2105	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2106		3171
2107	=pod	3172	=pod
2108		3173
2109	The following fucntions and emthods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2110		3175
2111	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
2112	cf::object::player player	3181	cf::object::player
2113	cf::player peaceful	3182	player
2114	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2115		3189
2116	=cut	3190	=cut
2117		3191
2118	for (	3192	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2123	) {	3199	) {
2124	no strict 'refs';	3200	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2144		3220
2145	my $qcode = $code;	3221	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2148		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2149	local $_;	3228	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3229
2152	my $eval =	3230	my $eval =
2153	"do {\n"	3231	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3234	. $code
2157	. "\n}"	3235	. "\n}"
2158	;	3236	;
2159		3237
		3238	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2163		3247
2164	if ($@) {	3248	if ($@) {
2165	warn "$@";	3249	warn "$@";
2166	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2167	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2186	=cut	3270	=cut
2187		3271
2188	sub register_script_function {	3272	sub register_script_function {
2189	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2190		3274
2191	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2193	}	3277	}
2194		3278
2195	=back	3279	=back
2196		3280
2197	=cut	3281	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3282
2271	#############################################################################	3283	#############################################################################
2272	# the server's init and main functions	3284	# the server's init and main functions
2273		3285
2274	sub load_faces {	3286	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3287	my ($path) = @_;
2276		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3294
2277	warn "loading faces from $path\n";	3295	warn "loading facedata from $path\n";
2278		3296
2279	my $faces;	3297	my $facedata;
2280	0 < aio_load $path, $faces	3298	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3299	or die "$path: $!";
2282		3300
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3301	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3302
		3303	$facedata->{version} == 2
		3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
		3315	{
		3316	my $faces = $facedata->{faceinfo};
		3317
2287	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3320
		3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2292	}
2293		3325
		3326	cf::cede_to_tick;
		3327	}
		3328
2294	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2296	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2297	or next;	3333	or next;
		3334
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3338	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3340	}
2304	Coro::cede;	3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
2305	}	3346	{
		3347	my $anims = $facedata->{animinfo};
		3348
		3349	while (my ($anim, $info) = each %$anims) {
		3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3351	cf::cede_to_tick;
		3352	}
		3353
		3354	cf::anim::invalidate_all; # d'oh
		3355	}
		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2306		3375
2307	1	3376	1
2308	}	3377	}
2309		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
2310	sub reload_resources {	3446	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3447	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3448
2313	load_faces	3449	reload_facedata;
2314	or die "unable to load faces\n";#d#	3450	reload_archetypes;
2315	}
2316
2317	sub init {
2318	reload_resources;	3451	reload_regions;
2319	}	3452	reload_treasures;
2320		3453
2321	sub cfg_load {	3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3461	or return;
2324		3462
2325	local $/;	3463	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2327		3465
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3467
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2335	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2336	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2337	};	3475	};
2338	warn $@ if $@;	3476	warn $@ if $@;
2339	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2340	}	3508	}
2341		3509
2342	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2343	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3528	(async {
2347	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2349	};	3532	};
2350		3533
2351	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2352	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
2353	load_extensions;	3552	load_extensions;
2354		3553
2355	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
2356	Event::loop;	3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
2357	}	3564	}
2358		3565
2359	#############################################################################	3566	#############################################################################
2360	# initialisation and cleanup	3567	# initialisation and cleanup
2361		3568
2362	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2363	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2372	},
2373	);	3575	};
		3576	}
		3577	}
		3578
		3579	sub write_runtime_sync {
		3580	my $t0 = EV::time;
		3581
		3582	# first touch the runtime file to show we are still running:
		3583	# the fsync below can take a very very long time.
		3584
		3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3586
		3587	my $guard = cf::lock_acquire "write_runtime";
		3588
		3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3590	or return;
		3591
		3592	my $value = $cf::RUNTIME + 90 + 10;
		3593	# 10 is the runtime save interval, for a monotonic clock
		3594	# 60 allows for the watchdog to kill the server.
		3595
		3596	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3597	and return;
		3598
		3599	# always fsync - this file is important
		3600	aio_fsync $fh
		3601	and return;
		3602
		3603	# touch it again to show we are up-to-date
		3604	aio_utime $fh, undef, undef;
		3605
		3606	close $fh
		3607	or return;
		3608
		3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3610	and return;
		3611
		3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3613
2374	}	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
2375	}	3665	}
2376		3666
2377	sub emergency_save() {	3667	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
2379		3669
2380	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
2381		3671
2382	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
2383	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
2384	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
2385	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
2387	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3686	$pl->save;
2391	}	3687	}
2392	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
2393		3689
2394	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
2395	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
2396	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
2397	$map->valid or next;	3693	$map->valid or next;
2398	$map->save;	3694	$map->save;
2399	}	3695	}
2400	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
2401		3697
2402	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
2404	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
2405	};	3705	};
2406		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
2407	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
2408	}	3713	}
2409		3714
2410	sub post_cleanup {	3715	sub post_cleanup {
2411	my ($make_core) = @_;	3716	my ($make_core) = @_;
2412		3717
2413	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3719	if $make_core;
2415	}
2416		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
		3749	}
		3750
2417	sub reload() {	3751	sub do_reload_perl() {
2418	# can/must only be called in main	3752	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
2421	return;	3755	return;
2422	}	3756	}
2423		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
2424	warn "reloading...";	3763	warn "reloading...";
2425		3764
2426	warn "entering sync_job";	3765	warn "entering sync_job";
2427		3766
2428	cf::sync_job {	3767	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2430	cf::emergency_save;	3769	cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
2432		3771
2433	warn "syncing database to disk";	3772	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3774
2436	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
2437		3776
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
2449	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();
2457
2458	warn "removing commands";
2459	%COMMAND = ();
2460
2461	warn "removing ext commands";
2462	%EXTCMD = ();
2463
2464	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";
2467
2468	if (my $cb = $pkg->can ("unload")) {
2469	eval {
2470	$cb->($pkg);
2471	1
2472	} or warn "$pkg unloaded, but with errors: $@";
2473	}	3780	}
2474		3781
2475	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
2476	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
2477	}	3784	%EXT_CORO = ();
2478		3785
2479	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
2480	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
2483	warn "... unloading $k";	3795	warn "... unloading $pkg";
2484	delete $INC{$k};
2485		3796
2486	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;
2488
2489	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
2490	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
2491	}	3806	}
2492		3807
2493	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
2494	}	3823	}
2495		3824
2496	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3828
2500	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
		3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2502		3832
2503	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3834	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
2506		3836
2507	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
2508		3838
2509	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
2510	require cf;	3840	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
2512		3842
2513	warn "loading config and database again";	3843	warn "loading config and database again";
2514	cf::cfg_load;	3844	cf::reload_config;
2515		3845
2516	warn "loading extensions";	3846	warn "loading extensions";
2517	cf::load_extensions;	3847	cf::load_extensions;
2518		3848
		3849	if ($REATTACH_ON_RELOAD) {
2519	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
2525		3857
2526	warn "loading reloadable resources";	3858	warn "running post_init jobs";
2527	reload_resources;	3859	(pop @POST_INIT)->(1) while @POST_INIT;
2528		3860
2529	warn "leaving sync_job";	3861	warn "leaving sync_job";
2530		3862
2531	1	3863	1
2532	} or do {	3864	} or do {
2533	warn $@;	3865	warn $@;
2534	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
2535	exit 1;	3867	};
		3868
		3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
		3875	};
		3876
		3877	our $RELOAD_WATCHER; # used only during reload
		3878
		3879	sub reload_perl() {
		3880	# doing reload synchronously and two reloads happen back-to-back,
		3881	# coro crashes during coro_state_free->destroy here.
		3882
		3883	$RELOAD_WATCHER ||= cf::async {
		3884	Coro::AIO::aio_wait cache_extensions;
		3885
		3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3887	do_reload_perl;
		3888	undef $RELOAD_WATCHER;
		3889	};
2536	};	3890	};
2537		3891	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		3892
2543	register_command "reload" => sub {	3893	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
2545		3895
2546	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
2548		3898	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3899	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3900	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3901	};
2561	}	3902	}
2562	};	3903	};
2563		3904
2564	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
2565		3906
2566	my $bug_warning = 0;	3907	my $bug_warning = 0;
2567		3908
2568	$TICK_WATCHER = Event->timer (	3909	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3910	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3911
2571	prio => 0,	3912	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	3914
2574	cb => sub {	3915	my $signal = new Coro::Signal;
		3916	push @WAIT_FOR_TICK, $signal;
		3917	$signal->wait;
		3918	}
		3919
		3920	sub wait_for_tick_begin {
		3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3922
		3923	my $signal = new Coro::Signal;
		3924	push @WAIT_FOR_TICK_BEGIN, $signal;
		3925	$signal->wait;
		3926	}
		3927
		3928	sub tick {
2575	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
2578	return;	3932	return;
2579	}	3933	}
2580		3934
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		3936
		3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3938
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3941	Coro::async_pool {
		3942	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3943	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	3944	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3945	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3946	}
2607	);	3947
		3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3949	$sig->send;
		3950	}
		3951	while (my $sig = shift @WAIT_FOR_TICK) {
		3952	$sig->send;
		3953	}
		3954
		3955	$LOAD = ($NOW - $TICK_START) / $TICK;
		3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3957
		3958	if (0) {
		3959	if ($NEXT_TICK) {
		3960	my $jitter = $TICK_START - $NEXT_TICK;
		3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3962	warn "jitter $JITTER\n";#d#
		3963	}
		3964	}
		3965	}
2608		3966
2609	{	3967	{
2610	BDB::max_poll_time $TICK * 0.1;	3968	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3969
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
2620		3971	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3972	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3973
2636	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		3981
2639	cf::sync_job {	3982	cf::sync_job {
2640	eval {	3983	eval {
2641	BDB::db_env_open	3984	BDB::db_env_open
2642	$DB_ENV,	3985	$DB_ENV,
2643	$BDB_ENV_DIR,	3986	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3989	0666;
2647		3990
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3992	};
2653		3993
2654	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3995	};
2656	}	3996	}
		3997
		3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4000	};
		4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4003	};
		4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4006	};
2657	}	4007	}
2658		4008
2659	{	4009	{
		4010	# configure IO::AIO
		4011
2660	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	4015	}
		4016
		4017	my $_log_backtrace;
		4018
		4019	sub _log_backtrace {
		4020	my ($msg, @addr) = @_;
		4021
		4022	$msg =~ s/\n//;
		4023
		4024	# limit the # of concurrent backtraces
		4025	if ($_log_backtrace < 2) {
		4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
		4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
		4031	my @bt = fork_call {
		4032	@addr = map { sprintf "%x", $_ } @addr;
		4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4035	or die "addr2line: $!";
		4036
		4037	my @funcs;
		4038	my @res = <$fh>;
		4039	chomp for @res;
		4040	while (@res) {
		4041	my ($func, $line) = splice @res, 0, 2, ();
		4042	push @funcs, "[$func] $line";
		4043	}
		4044
		4045	@funcs
		4046	};
		4047
		4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4050	LOG llevInfo, "[ABT] $_\n" for @bt;
		4051	--$_log_backtrace;
		4052	};
		4053	} else {
		4054	LOG llevInfo, "[ABT] $msg\n";
		4055	LOG llevInfo, "[ABT] [suppressed]\n";
		4056	}
		4057	}
		4058
		4059	# load additional modules
		4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
2673		4062
2674	END { cf::emergency_save }	4063	END { cf::emergency_save }
2675		4064
2676	1	4065	1
2677		4066

Diff Legend

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