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 1.232 by root, Wed Apr 4 02:07:19 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 YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	115	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
67		124
68	our %CFG;	125	our %CFG;
69		126
70	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
72		130
73	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		134
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		147
85	binmode STDOUT;	148	binmode STDOUT;
86	binmode STDERR;	149	binmode STDERR;
87		150
88	# read virtual server time, if available	151	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
93	}	156	}
94		157
95	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	159
97	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		162
102	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
103		164
104	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::"} };
105		177
106	#############################################################################	178	#############################################################################
107		179
108	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
109		181
…		…
116	=item $cf::RUNTIME	188	=item $cf::RUNTIME
117		189
118	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
119	every server tick.	191	every server tick.
120		192
121	=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
122		196
123	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		201
126	=item $cf::NOW	202	=item $cf::NOW
127		203
128	The time of the last (current) server tick.	204	The time of the last (current) server tick.
129		205
130	=item $cf::TICK	206	=item $cf::TICK
131		207
132	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	220	=item %cf::CFG
135		221
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	223	from wherever your confdir points to.
138		224
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		226
141	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
142	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
143	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.
144	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.
145		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153	utf8::encode $msg;
154		249
155	$msg .= "\n"	250	$msg .= "\n"
156	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
157		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
158	LOG llevError, $msg;	255	LOG llevError, $msg;
159	};	256	};
160	}	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	};
161		271
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		279
169	# 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
170	# within the Safe compartment.	281	# within the Safe compartment.
171	for my $pkg (qw(	282	for my $pkg (qw(
172	cf::global cf::attachable	283	cf::global cf::attachable
173	cf::object cf::object::player	284	cf::object cf::object::player
174	cf::client cf::player	285	cf::client cf::player
175	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
176	cf::map cf::party cf::region	288	cf::party cf::region
177	)) {	289	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	291	}
181		292
182	$Event::DIED = sub {	293	$EV::DIED = sub {
183	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
184	};	295	};
		296
		297	#############################################################################
185		298
186	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
187		300
188	=over 4	301	=over 4
189		302
…		…
208	$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;
209	$d	322	$d
210	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
211	}	324	}
212		325
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
216		327
217	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
218		329
219	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
220		331
221	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
222		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[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;
		353	}
		354
223	=item cf::lock_wait $string	355	=item cf::lock_wait $string
224		356
225	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
226		358
227	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
228		360
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
232	returned.	364	returned.
233		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
234	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
235	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
236		371
237	=cut	372	=item $locked = cf::lock_active $string
238		373
239	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
240		379
241	sub lock_wait($) {	380	sub lock_wait($) {
242	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	382	}
250		383
251	sub lock_acquire($) {	384	sub lock_acquire($) {
252	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
253		387
254	# wait, to be sure we are not locked	388	sub lock_active($) {
255	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	390	}
264		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
270	};	462	}
271	$TICK_WATCHER->stop;	463	};
272	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
273	}	478	}
274		479
275	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
276		481
277	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		487
283	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
284		489
285	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
286		491
287	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
290		496
291	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
294	fast or be very important.	500	fast or be very important.
…		…
297		503
298	sub sync_job(&) {	504	sub sync_job(&) {
299	my ($job) = @_;	505	my ($job) = @_;
300		506
301	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
302	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
304		512
305	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	514
307	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
308		516
309	my $busy = 1;	517	my $busy = 1;
310	my @res;	518	my @res;
311		519
312	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	522	@res = eval { $job->() };
314	warn $@ if $@;	523	warn $@ if $@;
315	undef $busy;	524	undef $busy;
316	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
317		526
318	while ($busy) {	527	while ($busy) {
319	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
320	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
321		538
322	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
323	} else {	540	} else {
324	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
325		542
…		…
345	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
346		563
347	$coro	564	$coro
348	}	565	}
349		566
350	sub write_runtime {	567	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		568
353	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.
354		573
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
356	or return;
357		575
358	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		578
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
363	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
364		582
365	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	584	reset_signals;
367	and return;	585	&$cb
		586	}, @args;
368		587
369	close $fh	588	wantarray ? @res : $res[-1]
370	or return;	589	}
371		590
372	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
373	and return;
374		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
375	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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"
376	}	743	}
377		744
378	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
379		746
380	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
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, %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	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1144		1706
1145	Sends an ext event to the client.	1707	Sends an ext event to the client.
1146		1708
1147	=cut	1709	=cut
1148		1710
1149	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1151		1713
1152	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1153	}	1715	}
1154		1716
1155	package cf;	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	}
1156		1745
1157	=back	1746	=back
1158
1159		1747
1160	=head3 cf::map	1748	=head3 cf::map
1161		1749
1162	=over 4	1750	=over 4
1163		1751
…		…
1175	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1177		1765
1178	sub generate_random_map {	1766	sub generate_random_map {
1179	my ($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
1180	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1772	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1185	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1186	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1218	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1219		1810
1220	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1221	local $self->{path};	1812	local $self->{path};
1222	local $self->{load_path};	1813	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1814
1226	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1227	}	1816	}
1228		1817
1229	sub normalise {	1818	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1277	return $self;	1866	return $self;
1278	}	1867	}
1279	}	1868	}
1280		1869
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1871	()
1283	}	1872	}
1284		1873
1285	sub init {	1874	sub init {
1286	my ($self) = @_;	1875	my ($self) = @_;
…		…
1301		1890
1302	# the original (read-only) location	1891	# the original (read-only) location
1303	sub load_path {	1892	sub load_path {
1304	my ($self) = @_;	1893	my ($self) = @_;
1305		1894
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1307	}	1896	}
1308		1897
1309	# the temporary/swap location	1898	# the temporary/swap location
1310	sub save_path {	1899	sub save_path {
1311	my ($self) = @_;	1900	my ($self) = @_;
1312		1901
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1315	}	1904	}
1316		1905
1317	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1318	sub uniq_path {	1907	sub uniq_path {
1319	my ($self) = @_;	1908	my ($self) = @_;
1320		1909
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1323	}	1912	}
1324		1913
1325	# and all this just because we cannot iterate over	1914	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1915	my ($self) = @_;
1329		1916
1330	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1332	}	1920	}
1333		1921
1334	sub unlink_save {	1922	sub unlink_save {
1335	my ($self) = @_;	1923	my ($self) = @_;
1336		1924
…		…
1341		1929
1342	sub load_header_from($) {	1930	sub load_header_from($) {
1343	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1344		1932
1345	utf8::encode $path;	1933	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	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;
1351		1942
1352	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1353		1944
1354	1	1945	1
1355	}	1946	}
…		…
1394	$self->load_header_orig	1985	$self->load_header_orig
1395	or return;	1986	or return;
1396	$self->prepare_orig;	1987	$self->prepare_orig;
1397	}	1988	}
1398		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 $self->default_region;
		1995
1399	1	1996	1
1400	}	1997	}
1401		1998
1402	sub find;	1999	sub find;
1403	sub find {	2000	sub find {
1404	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1405		2002
1406	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1407		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1409		2007
1410	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1413	or return;	2010	or return;
1414		2011
1415	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1416		2013
1417	$map->load_header	2014	$map->load_header
1418	or return;	2015	or return;
1419		2016
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1423	$map->reset;	2022	$map->reset;
1424	undef $guard;
1425	return find $path;	2023	return find $path;
1426	}	2024	}
1427		2025
1428	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1429	}	2027	}
1430	}	2028	}
1431		2029
1432	sub pre_load { }	2030	sub pre_load { }
1433	sub post_load { }	2031	#sub post_load { } # XS
1434		2032
1435	sub load {	2033	sub load {
1436	my ($self) = @_;	2034	my ($self) = @_;
1437		2035
1438	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1439		2037
1440	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1442		2042
		2043	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2045
1445	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1446		2047
1447	$self->alloc;	2048	$self->alloc;
1448		2049
1449	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1450		2052
1451	$self->_load_objects ($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)
1452	or return;	2056	or return;
1453		2057
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1455	if delete $self->{load_original};	2059	if delete $self->{load_original};
1456		2060
1457	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2062	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2065	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1462	}	2069	}
1463	}	2070	}
1464		2071
1465	Coro::cede;	2072	$f->resolve_delayed_derefs;
1466		2073
		2074	cf::cede_to_tick;
1467	# now do the right thing for maps	2075	# now do the right thing for maps
1468	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2078	unless $self->difficulty;
1478	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1479	$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);
1480	}	2093	}
1481		2094
1482	$self->post_load;	2095	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2096	}
1486		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1487	sub customise_for {	2101	sub customise_for {
1488	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1489		2103
1490	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2105	if $self->per_player;
1492		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1493	$self	2110	$self
1494	}	2111	}
1495		2112
1496	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2114	sub load_neighbours {
1498	my ($map) = @_;	2115	my ($map) = @_;
1499		2116
1500	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1501		2118
1502	for (0 .. 3) {	2119	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1504	or next;	2121	or next;
1505	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1506	or next;	2123	or next;
1507	$neigh->load;	2124	$neigh->load;
1508		2125
		2126	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2129	}
1512		2130
1513	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1515	or next;	2134	or next;
1516	$neigh->load;	2135	$neigh->load;
1517	}	2136	}
1518	}	2137	}
1519		2138
…		…
1524	}	2143	}
1525		2144
1526	sub do_load_sync {	2145	sub do_load_sync {
1527	my ($map) = @_;	2146	my ($map) = @_;
1528		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1529	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1530	}	2152	}
1531		2153
1532	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1534		2156
1535	sub find_async {	2157	sub find_async {
1536	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1537		2159
1538	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1539		2161
1540	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2164	}
1543		2165
1544	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1545	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1546	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2173	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2174	$map->load if $v;
		2175	}
1551		2176
1552	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1553	}	2178	}
1554	}	2179	}
1555	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1556	};	2181	};
1557	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2185	}
1561		2186
1562	sub save {	2187	sub save {
1563	my ($self) = @_;	2188	my ($self) = @_;
1564		2189
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2191
1567	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1568		2193
1569	return unless $self->dirty;	2194	return unless $self->dirty;
1570		2195
…		…
1576	return if $self->{deny_save};	2201	return if $self->{deny_save};
1577		2202
1578	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1579		2204
1580	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1582	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1583		2211
1584	if ($uniq) {	2212	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2215	} else {
…		…
1593	my ($self) = @_;	2221	my ($self) = @_;
1594		2222
1595	# save first because save cedes	2223	# save first because save cedes
1596	$self->save;	2224	$self->save;
1597		2225
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2227
1600	return if $self->players;	2228	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2230	return if $self->{deny_save};
1603		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2236	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2237	}
1607		2238
1608	sub reset_at {	2239	sub reset_at {
1609	my ($self) = @_;	2240	my ($self) = @_;
1610		2241
1611	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1614		2244
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2247
…		…
1628	my ($self) = @_;	2258	my ($self) = @_;
1629		2259
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2261
1632	return if $self->players;	2262	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2263
1635	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
1636		2265
1637	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1638		2267
1639	# need to save uniques path	2268	# need to save uniques path
1640	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2273	if $uniq;
1645	}	2274	}
1646		2275
1647	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1648		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2280	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2281
1653	$self->unlink_save;	2282	$self->unlink_save;
1654	$self->destroy;	2283	$self->destroy;
1655	}	2284	}
1656		2285
1657	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1658		2287
1659	sub nuke {	2288	sub nuke {
1660	my ($self) = @_;	2289	my ($self) = @_;
1661		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1662	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1663		2295
1664	$self->unlink_save;	2296	$self->unlink_save;
1665		2297
1666	bless $self, "cf::map";	2298	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2303
1672	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1673		2306
1674	$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	]
1675	}	2344	}
1676		2345
1677	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1678		2347
1679	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2349	instantiated unique items. May block.
1681		2350
1682	=cut	2351	=cut
1683		2352
1684	sub unique_maps() {	2353	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1686	or return;	2355	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2356	utf8::decode $_;
1692	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2359	? ()
1695	push @paths, cf::map::normalise $_;	2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2362	]
1697
1698	\@paths
1699	}	2363	}
1700		2364
1701	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	}
1702		2396
1703	=back	2397	=back
1704		2398
1705	=head3 cf::object	2399	=head3 cf::object
1706		2400
…		…
1710		2404
1711	=over 4	2405	=over 4
1712		2406
1713	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1714		2408
1715	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.
1716		2411
1717	=cut	2412	=cut
1718		2413
1719	sub inv_recursive_;	2414	sub inv_recursive_;
1720	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1723		2418
1724	sub inv_recursive {	2419	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1726	}	2421	}
1727		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
1728	package cf;	2451	package cf;
1729		2452
1730	=back	2453	=back
1731		2454
1732	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1738	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>
1739	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
1740	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1741		2464
1742	=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	};
1743		2480
1744	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2482	# with dialog boxes.
1746	#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
1747	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1749		2486
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2488
1752	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1754	} 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 {
1755	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1757	}	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 (@_);
1758	}	2514	}
1759		2515
1760	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1761		2517
1762	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1775		2531
1776	=item $player_object->enter_link	2532	=item $player_object->enter_link
1777		2533
1778	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}>).
1779		2535
1780	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.
1781	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.
1782		2540
1783	Will never block.	2541	Will never block.
1784		2542
1785	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1786		2544
…		…
1809	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1810		2568
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2570
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1815		2573
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2575	}
1818		2576
1819	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1821		2581
1822	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1823		2583
1824	unless ($map) {	2584	unless ($map) {
1825	# restore original map position	2585	# restore original map position
…		…
1836	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1837	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1838		2598
1839	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1842		2602
1843	$map->load;	2603	$map->load;
1844	$map->load_diag;	2604	$map->load_neighbours;
1845		2605
1846	return unless $self->contr->active;	2606	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2607
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1851	}
1852		2610
1853	cf::player->attach (	2611	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2612	$self->activate_recursive;
1855	my ($pl) = @_;	2613	}
1856		2614
1857	# abort map switching before logout	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2616
1867	# try to abort aborted map switching on player login :)	2617	Moves the player to the given map-path and coordinates by first freezing
1868	# should happen only on crashes	2618	her, loading and preparing them map, calling the provided $check callback
1869	if ($pl->ob->{_link_pos}) {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1870	$pl->ob->enter_link;	2620	the new (success) or old (failed) map position. In either case, $done will
1871	(async {	2621	be called at the end of this process.
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2622
1885	=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 >>.
1886		2625
1887	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1888		2629
1889	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1890	my ($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;
1891		2635
1892	$self->enter_link;	2636	$self->enter_link;
1893		2637
1894	(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
1895	my $map = eval {	2660	my $map = eval {
1896	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1897	$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
1898	$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 $@;
1899	} or	2676	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1903	})->prio (1);	2684	})->prio (1);
1904	}	2685	}
1905		2686
1906	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1907		2688
…		…
1927	}	2708	}
1928		2709
1929	sub prepare_random_map {	2710	sub prepare_random_map {
1930	my ($exit) = @_;	2711	my ($exit) = @_;
1931		2712
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2715	# that depends on the exit object
1937		2716
1938	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2719	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1945	}	2726	}
1946		2727
1947	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1948		2729
1949	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
1952		2733
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2736	undef $fh;
1956	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
1957		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1960	}	2745	}
1961	}	2746	}
1962		2747
1963	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
1965		2750
1966	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1967		2752
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2753	$self->enter_link;
1978		2754
1979	(async {	2755	(async {
1980	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1981	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
1982	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
1983		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
1984	1;	2779	1
1985	}) {	2780	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1987	. "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. "
1988	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2785
1991	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2787	$self->leave_link;
1993	}	2788	}
1994	})->prio (1);	2789	})->prio (1);
…		…
2010		2805
2011	utf8::encode $text;	2806	utf8::encode $text;
2012	$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);
2013	}	2808	}
2014		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
2015	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2016		2998
2017	Sends an exti event to the client.	2999	Sends an ext event to the client.
2018		3000
2019	=cut	3001	=cut
2020		3002
2021	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2023		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2026	}	3030	}
2027		3031
2028	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2029		3033
2030	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
2031	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>,
2032	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>.
2033		3037
2034	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
2035	reliable at some point in the future.	3039	become reliable at some point in the future.
2036		3040
2037	=cut	3041	=cut
2038		3042
2039	sub cf::client::query {	3043	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	3052	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		3054
2051	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
2053	}	3059	}
2054		3060
2055	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	},
2056	on_reply => sub {	3067	on_reply => sub {
2057	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
2058		3069
2059	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
2060	# get handled first	3071	# get handled first
…		…
2072	} else {	3083	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	3085	}
2075	}	3086	}
2076	},	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	},
2077	);	3114	);
2078		3115
2079	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2080		3117
2081	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2097		3134
2098	$coro	3135	$coro
2099	}	3136	}
2100		3137
2101	cf::client->attach (	3138	cf::client->attach (
2102	on_destroy => sub {	3139	on_client_destroy => sub {
2103	my ($ns) = @_;	3140	my ($ns) = @_;
2104		3141
2105	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2106	},	3143	},
2107	);	3144	);
…		…
2122	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2124		3161
2125	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2126		3163
2127	$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	));
2128		3169
2129	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2130		3171
2131	=pod	3172	=pod
2132		3173
2133	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2134		3175
2135	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
2136	cf::object::player player	3181	cf::object::player
2137	cf::player peaceful	3182	player
2138	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2139		3189
2140	=cut	3190	=cut
2141		3191
2142	for (	3192	for (
2143	["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)],
2144	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2146	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2147	) {	3199	) {
2148	no strict 'refs';	3200	no strict 'refs';
2149	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2150	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2168		3220
2169	my $qcode = $code;	3221	my $qcode = $code;
2170	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2171	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2172		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2173	local $_;	3228	local $_;
2174	local @safe::cf::_safe_eval_args = values %vars;
2175		3229
2176	my $eval =	3230	my $eval =
2177	"do {\n"	3231	"do {\n"
2178	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2179	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2180	. $code	3234	. $code
2181	. "\n}"	3235	. "\n}"
2182	;	3236	;
2183		3237
		3238	if ($CFG{safe_eval}) {
2184	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2185	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2186	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	}
2187		3247
2188	if ($@) {	3248	if ($@) {
2189	warn "$@";	3249	warn "$@";
2190	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2191	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2210	=cut	3270	=cut
2211		3271
2212	sub register_script_function {	3272	sub register_script_function {
2213	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2214		3274
2215	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2216	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2217	}	3277	}
2218		3278
2219	=back	3279	=back
2220		3280
2221	=cut	3281	=cut
2222
2223	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294		3282
2295	#############################################################################	3283	#############################################################################
2296	# the server's init and main functions	3284	# the server's init and main functions
2297		3285
2298	sub load_facedata {	3286	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3287	my ($path) = @_;
		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;
2300		3294
2301	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2302		3296
2303	my $faces;	3297	my $facedata;
2304	0 < aio_load $path, $faces	3298	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3299	or die "$path: $!";
2306		3300
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3301	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3302
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3303	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		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
2315	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	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};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2320	Coro::cede;
2321	}
2322		3325
		3326	cf::cede_to_tick;
		3327	}
		3328
2323	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2325	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2326	or next;	3333	or next;
		3334
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
		3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3338	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3340	}
2332	Coro::cede;	3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
2333	}	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);
2334		3375
2335	1	3376	1
2336	}	3377	}
2337		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
2338	sub reload_resources {	3446	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3447	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3448
2341	load_facedata	3449	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3450	reload_archetypes;
2343	}
2344
2345	sub init {
2346	reload_resources;	3451	reload_regions;
2347	}	3452	reload_treasures;
2348		3453
2349	sub cfg_load {	3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3461	or return;
2352		3462
2353	local $/;	3463	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2355		3465
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3467
2358	$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};
2359	$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};
…		…
2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2364	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2365	};	3475	};
2366	warn $@ if $@;	3476	warn $@ if $@;
2367	}	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;
2368	}	3508	}
2369		3509
2370	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
2371	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2373	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#
2374	(async {	3528	(async {
2375	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2377	};	3532	};
2378		3533
2379	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;
2380	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
2381	load_extensions;	3552	load_extensions;
2382		3553
2383	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
2384	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;
2385	}	3564	}
2386		3565
2387	#############################################################################	3566	#############################################################################
2388	# initialisation and cleanup	3567	# initialisation and cleanup
2389		3568
2390	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2391	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2400	},
2401	);	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
2402	}	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 };
2403	}	3665	}
2404		3666
2405	sub emergency_save() {	3667	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
2407		3669
2408	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
2409		3671
2410	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
2411	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
2412	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
2413	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
2415	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3686	$pl->save;
2419	}	3687	}
2420	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
2421		3689
2422	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
2423	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
2424	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
2425	$map->valid or next;	3693	$map->valid or next;
2426	$map->save;	3694	$map->save;
2427	}	3695	}
2428	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
2429		3697
2430	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
2432	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";
2433	};	3705	};
2434		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
2435	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
2436	}	3713	}
2437		3714
2438	sub post_cleanup {	3715	sub post_cleanup {
2439	my ($make_core) = @_;	3716	my ($make_core) = @_;
2440		3717
2441	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3719	if $make_core;
2443	}
2444		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 $pkg\n";#d#
		3749	}
		3750
2445	sub reload() {	3751	sub do_reload_perl() {
2446	# can/must only be called in main	3752	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
2449	return;	3755	return;
2450	}	3756	}
2451		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
2452	warn "reloading...";	3763	warn "reloading...";
2453		3764
2454	warn "entering sync_job";	3765	warn "entering sync_job";
2455		3766
2456	cf::sync_job {	3767	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3769	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
2460		3771
2461	warn "syncing database to disk";	3772	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3774
2464	# 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
2465		3776
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3780	}
2502		3781
2503	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
2505	}	3784	%EXT_CORO = ();
2506		3785
2507	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3795	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3796
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
2518	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
2519	}	3806	}
2520		3807
2521	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 $k;
2522	}	3823	}
2523		3824
2524	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
2526	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);
2527		3828
2528	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
		3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2530		3832
2531	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3834	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
2534		3836
2535	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
2536		3838
2537	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
2538	require cf;	3840	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
2540		3842
2541	warn "loading config and database again";	3843	warn "loading config and database again";
2542	cf::cfg_load;	3844	cf::reload_config;
2543		3845
2544	warn "loading extensions";	3846	warn "loading extensions";
2545	cf::load_extensions;	3847	cf::load_extensions;
2546		3848
		3849	if ($REATTACH_ON_RELOAD) {
2547	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
2553		3857
2554	warn "loading reloadable resources";	3858	warn "running post_init jobs";
2555	reload_resources;	3859	(pop @POST_INIT)->(1) while @POST_INIT;
2556		3860
2557	warn "leaving sync_job";	3861	warn "leaving sync_job";
2558		3862
2559	1	3863	1
2560	} or do {	3864	} or do {
2561	warn $@;	3865	warn $@;
2562	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3867	};
		3868
		3869	warn "reloaded";
		3870	--$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	};
2564	};	3890	};
2565		3891	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3892
2571	register_command "reload" => sub {	3893	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
2573		3895
2574	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
2576		3898	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3899	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3900	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3901	};
2589	}	3902	}
2590	};	3903	};
2591		3904
2592	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
2593		3906
2594	my $bug_warning = 0;	3907	my $bug_warning = 0;
2595		3908
2596	$TICK_WATCHER = Event->timer (	3909	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3910	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3911
2599	prio => 0,	3912	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3914
2602	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	$signal->wait;
		3926	}
		3927
		3928	sub tick {
2603	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
2606	return;	3932	return;
2607	}	3933	}
2608		3934
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3936
		3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3938
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3941	Coro::async_pool {
		3942	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3943	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3944	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3945	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3946	}
2635	);	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	}
2636		3966
2637	{	3967	{
2638	BDB::max_poll_time $TICK * 0.1;	3968	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3969
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
2648		3971	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3972	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3973
2664	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
2665	$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);
2666		3981
2667	cf::sync_job {	3982	cf::sync_job {
2668	eval {	3983	eval {
2669	BDB::db_env_open	3984	BDB::db_env_open
2670	$DB_ENV,	3985	$DB_ENV,
2671	$BDB_ENV_DIR,	3986	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3989	0666;
2675		3990
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3992	};
2681		3993
2682	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3995	};
2684	}	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	};
2685	}	4007	}
2686		4008
2687	{	4009	{
		4010	# configure IO::AIO
		4011
2688	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	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;
2701		4062
2702	END { cf::emergency_save }	4063	END { cf::emergency_save }
2703		4064
2704	1	4065	1
2705		4066

Diff Legend

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