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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 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;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	118	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
61		127
62	our %CFG;	128	our %CFG;
63		129
64	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
66		133
67	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		137
76	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
79	binmode STDOUT;	151	binmode STDOUT;
80	binmode STDERR;	152	binmode STDERR;
81		153
82	# read virtual server time, if available	154	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
87	}	159	}
88		160
89	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	162
91	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		165
96	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
97		167
98	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		180
100	#############################################################################	181	#############################################################################
101		182
102	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
103		184
…		…
110	=item $cf::RUNTIME	191	=item $cf::RUNTIME
111		192
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	194	every server tick.
114		195
115	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		199
117	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
119		204
120	=item $cf::NOW	205	=item $cf::NOW
121		206
122	The time of the last (current) server tick.	207	The time of the last (current) server tick.
123		208
124	=item $cf::TICK	209	=item $cf::TICK
125		210
126	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
127		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
128	=item %cf::CFG	223	=item %cf::CFG
129		224
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	226	from wherever your confdir points to.
132		227
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		229
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
139		245
140	=back	246	=back
141		247
142	=cut	248	=cut
143		249
144	BEGIN {	250	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	251	my $msg = join "", @_;
147	utf8::encode $msg;
148		252
149	$msg .= "\n"	253	$msg .= "\n"
150	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
151		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
152	LOG llevError, $msg;	258	LOG llevError, $msg;
153	};	259	};
154	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
155		274
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		282
163	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	284	# within the Safe compartment.
165	for my $pkg (qw(	285	for my $pkg (qw(
166	cf::global cf::attachable	286	cf::global cf::attachable
167	cf::object cf::object::player	287	cf::object cf::object::player
168	cf::client cf::player	288	cf::client cf::player
169	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
170	cf::map cf::party cf::region	291	cf::party cf::region
171	)) {	292	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	294	}
175		295
176	$Event::DIED = sub {	296	$EV::DIED = sub {
177	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
178	};	298	};
		299
		300	#############################################################################
179		301
180	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
181		303
182	=over 4	304	=over 4
183		305
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	325	$d
204	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
205	}	327	}
206		328
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
210		330
211	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
212		332
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
221		334
222	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
223		336
224	=cut	337	=cut
225		338
226	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
228	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
229	}	356	}
230		357
231	=item cf::lock_wait $string	358	=item cf::lock_wait $string
232		359
233	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
234		361
235	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
236		363
237	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
240	returned.	367	returned.
241		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
242	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
244		374
245	=cut	375	=item $locked = cf::lock_active $string
246		376
247	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
248		382
249	sub lock_wait($) {	383	sub lock_wait($) {
250	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	385	}
258		386
259	sub lock_acquire($) {	387	sub lock_acquire($) {
260	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
261		390
262	# wait, to be sure we are not locked	391	sub lock_active($) {
263	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	393	}
272		394
273	sub freeze_mainloop {	395	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
275		397
276	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
278	};	465	}
279	$TICK_WATCHER->stop;	466	};
280	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
281	}	481	}
282		482
283	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
284		484
285	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		490
291	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
292		492
293	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
294		494
295	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
298		499
299	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
302	fast or be very important.	503	fast or be very important.
…		…
305		506
306	sub sync_job(&) {	507	sub sync_job(&) {
307	my ($job) = @_;	508	my ($job) = @_;
308		509
309	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
310	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
312		515
313	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	517
315	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
316		519
317	my $busy = 1;	520	my $busy = 1;
318	my @res;	521	my @res;
319		522
320	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	525	@res = eval { $job->() };
322	warn $@ if $@;	526	warn $@ if $@;
323	undef $busy;	527	undef $busy;
324	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
325		529
326	while ($busy) {	530	while ($busy) {
327	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
328	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
329		541
330	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
331	} else {	543	} else {
332	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
333		545
…		…
353	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
354		566
355	$coro	567	$coro
356	}	568	}
357		569
358	sub write_runtime {	570	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		571
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
362	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
363		576
364	my $value = $cf::RUNTIME + 90 + 10;	577	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		578
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	sub fork_call(&@) {
369	and return;	580	my ($cb, @args) = @_;
370		581
371	# always fsync - this file is important	582	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	583	# otherwise perl prematurely frees the stuff :/
373	and return;	584	# TODO: investigate and fix (likely this will be rather laborious)
374		585
375	close $fh	586	my @res = Coro::Util::fork_eval {
376	or return;	587	reset_signals;
		588	&$cb
		589	}, @args;
377		590
378	aio_rename "$runtime~", $runtime	591	wantarray ? @res : $res[-1]
379	and return;	592	}
380		593
		594	=item $coin = coin_from_name $name
		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
381	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
		746	}
		747
		748	=item cf::datalog type => key => value, ...
		749
		750	Log a datalog packet of the given type with the given key-value pairs.
		751
		752	=cut
		753
		754	sub datalog($@) {
		755	my ($type, %kv) = @_;
		756	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	757	}
383		758
384	=back	759	=back
385		760
386	=cut	761	=cut
387		762
388	#############################################################################	763	#############################################################################
389		764
390	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
391		766
392	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
395		770
396	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	773	Deliantra).
399		774
400	=over 4	775	=over 4
401		776
402	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
403		778
…		…
447	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
448		823
449	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
451		826
452	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
454		829
455	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
456		831
457	=over 4	832	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
567		942
568	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		947
573	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	949	my $pkg = shift @arg;
575		950
576	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
606	}	981	}
607		982
608	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
609	} else {	984	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	986	}
612		987
613	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
614	}	989	}
615		990
…		…
617	if (ref $_[0]) {	992	if (ref $_[0]) {
618	_object_attach @_;	993	_object_attach @_;
619	} else {	994	} else {
620	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
621	}	996	}
		997	_recalc_want;
622	};	998	};
623		999
624	# all those should be optimised	1000	# all those should be optimised
625	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1006	reattach ($obj);
631	} else {	1007	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
633	}	1009	}
		1010	_recalc_want;
634	};	1011	};
635		1012
636	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
638		1015
…		…
653	";	1030	";
654	die if $@;	1031	die if $@;
655	}	1032	}
656		1033
657	our $override;	1034	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1036
660	sub override {	1037	sub override {
661	$override = 1;	1038	$override = 1;
662	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
663	}	1040	}
664		1041
665	sub do_invoke {	1042	sub do_invoke {
666	my $event = shift;	1043	my $event = shift;
667	my $callbacks = shift;	1044	my $callbacks = shift;
668		1045
669	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
670		1047
671	local $override;	1048	local $override;
672		1049
673	for (@$callbacks) {	1050	for (@$callbacks) {
674	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
683	}	1060	}
684		1061
685	0	1062	0
686	}	1063	}
687		1064
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1066
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1068
692	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
693		1070
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1074
698	=back	1075	=back
699		1076
700	=cut	1077	=cut
701		1078
702	#############################################################################	1079	#############################################################################
703	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
704		1123
705	sub reattach {	1124	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1126	my ($obj) = @_;
708		1127
		1128	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1130
711	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
712		1132
713	@$registry = ();	1133	@$registry = ();
714		1134
…		…
729	cf::attachable->attach (	1149	cf::attachable->attach (
730	prio => -1000000,	1150	prio => -1000000,
731	on_instantiate => sub {	1151	on_instantiate => sub {
732	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
733		1153
734	$data = from_json $data;	1154	$data = decode_json $data;
735		1155
736	for (@$data) {	1156	for (@$data) {
737	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
738		1158
739	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1175	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
757		1177
758	sync_job {	1178	sync_job {
759	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
762		1183
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
767	close $fh;	1191	aio_close $fh;
768		1192
769	if (@$objs) {	1193	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
775	close $fh;	1202	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
777	}	1204	}
778	} else {	1205	} else {
779	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
780	}	1207	}
781		1208
782	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1213	} else {
784	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
785	}	1215	}
786	} else {	1216	} else {
787	aio_unlink $filename;	1217	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
789	}	1219	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1220	};
797	}	1221	}
798		1222
799	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
801		1225
…		…
806		1230
807	sub object_thawer_load {	1231	sub object_thawer_load {
808	my ($filename) = @_;	1232	my ($filename) = @_;
809		1233
810	my ($data, $av);	1234	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1235
815	(aio_load $filename, $data) >= 0	1236	(aio_load $filename, $data) >= 0
816	or return;	1237	or return;
817		1238
818	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
820	or return;	1241	or return;
		1242
821	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
822	}	1245	}
823		1246
		1247	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
826	return ($data, $av);	1251	($data, $av)
827	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
828		1259
829	#############################################################################	1260	#############################################################################
830	# command handling &c	1261	# command handling &c
831		1262
832	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1277	}
847		1278
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1280
850	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
851		1286
852	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
853	called.	1288	called.
854		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
855	=cut	1301	=cut
856		1302
857	sub register_extcmd {	1303	sub register_extcmd {
858	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
859		1305
860	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
861	}	1307	}
862		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
863	cf::player->attach (	1317	cf::player->attach (
864	on_command => sub {	1318	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
866		1320
867	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
868	or return;	1322	or return;
869		1323
…		…
874	cf::override;	1328	cf::override;
875	},	1329	},
876	on_extcmd => sub {	1330	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
878		1332
879	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1334
881	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
887	} else {	1350	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1352	}
890		1353
891	cf::override;	1354	cf::override;
892	},	1355	},
893	);	1356	);
894		1357
		1358	# "readahead" all extensions
895	sub load_extension {	1359	sub cache_extensions {
896	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
897		1361
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1365	}
923	die $@;
924	}	1366	};
925		1367
926	push @EXTS, $pkg;	1368	$grp
927	}	1369	}
928		1370
929	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
930	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1376	next unless -r $path;
932	eval {	1377
933	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
934	1	1438	}
935	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
936	}	1449	};
937	}	1450	}
938		1451
939	#############################################################################	1452	#############################################################################
940		1453
		1454	=back
		1455
941	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
942		1457
943	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
944		1459
945	=cut	1460	=cut
946		1461
947	package cf::player;	1462	package cf::player;
948		1463
…		…
950		1465
951	=head3 cf::player	1466	=head3 cf::player
952		1467
953	=over 4	1468	=over 4
954		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
955	=item cf::player::find $login	1484	=item cf::player::find $login
956		1485
957	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
958		1487
959	=cut	1488	=cut
960		1489
961	sub playerdir($) {	1490	sub playerdir($) {
962	cf::localdir	1491	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1493	}
968		1494
969	sub path($) {	1495	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1497
972	(playerdir $login) . "/$login.pl"	1498	(playerdir $login) . "/playerdata"
973	}	1499	}
974		1500
975	sub find_active($) {	1501	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1502	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1503	and $cf::PLAYER{$_[0]}->active
…		…
980		1506
981	sub exists($) {	1507	sub exists($) {
982	my ($login) = @_;	1508	my ($login) = @_;
983		1509
984	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
986	}	1512	}
987		1513
988	sub find($) {	1514	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1516	my $login = $_[0];
991		1517
992	my $guard = cf::lock_acquire "user_find:$login";	1518	my $guard = cf::lock_acquire "user_find:$login";
993		1519
994	$cf::PLAYER{$_[0]} || do {	1520	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1521	# rename old playerfiles to new ones
		1522	#TODO: remove when no longer required
		1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1526	aio_unlink +(playerdir $login) . "/$login.pl";
		1527
		1528	my $f = new_from_file cf::object::thawer path $login
996	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
998	}	1537	}
999	}	1538	}
1000	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1001		1553
1002	sub save($) {	1554	sub save($) {
1003	my ($pl) = @_;	1555	my ($pl) = @_;
1004		1556
1005	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1011		1563
1012	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1014		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1015	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1016	Coro::cede;	1573	cf::cede_to_tick;
1017	}	1574	}
1018		1575
1019	sub new($) {	1576	sub new($) {
1020	my ($login) = @_;	1577	my ($login) = @_;
1021		1578
…		…
1027	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1028		1585
1029	$self	1586	$self
1030	}	1587	}
1031		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1032	=item $pl->quit_character	1599	=item $pl->quit_character
1033		1600
1034	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1036		1603
1037	=cut	1604	=cut
1038		1605
1039	sub quit_character {	1606	sub quit_character {
1040	my ($pl) = @_;	1607	my ($pl) = @_;
1041		1608
		1609	my $name = $pl->ob->name;
		1610
1042	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1613
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1049		1620
1050	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1623	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1624	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1625	$pl->destroy;
		1626
		1627	my $prefix = qr<^~\Q$name\E/>;
		1628
		1629	# nuke player maps
		1630	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1631
1055	IO::AIO::aio_rmtree $temp;	1632	IO::AIO::aio_rmtree $temp;
		1633	}
		1634
		1635	=item $pl->kick
		1636
		1637	Kicks a player out of the game. This destroys the connection.
		1638
		1639	=cut
		1640
		1641	sub kick {
		1642	my ($pl, $kicker) = @_;
		1643
		1644	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1645	$pl->killer ("kicked");
		1646	$pl->ns->destroy;
1056	}	1647	}
1057		1648
1058	=item cf::player::list_logins	1649	=item cf::player::list_logins
1059		1650
1060	Returns am arrayref of all valid playernames in the system, can take a	1651	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1652	while and may block, so not sync_job-capable, ever.
1062		1653
1063	=cut	1654	=cut
1064		1655
1065	sub list_logins {	1656	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1657	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1658	or return [];
1068		1659
1069	my @logins;	1660	my @logins;
1070		1661
1071	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1075		1672
1076	utf8::decode $login;	1673	utf8::decode $login;
1077	push @logins, $login;	1674	push @logins, $login;
1078	}	1675	}
1079		1676
…		…
1106	}	1703	}
1107		1704
1108	\@paths	1705	\@paths
1109	}	1706	}
1110		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1112		1713
1113	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1114		1715
1115	=cut	1716	=cut
1116		1717
1117	sub ext_reply($$$%) {	1718	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1119		1720
1120	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1722	}
1124		1723
1125	package cf;	1724	=item $player->ext_msg ($type, @msg)
		1725
		1726	Sends an ext event to the client.
		1727
		1728	=cut
		1729
		1730	sub ext_msg($$@) {
		1731	my ($self, $type, @msg) = @_;
		1732
		1733	$self->ns->ext_msg ($type, @msg);
		1734	}
		1735
		1736	=head3 cf::region
		1737
		1738	=over 4
		1739
		1740	=cut
		1741
		1742	package cf::region;
		1743
		1744	=item cf::region::find_by_path $path
		1745
		1746	Tries to decuce the likely region for a map knowing only its path.
		1747
		1748	=cut
		1749
		1750	sub find_by_path($) {
		1751	my ($path) = @_;
		1752
		1753	my ($match, $specificity);
		1754
		1755	for my $region (list) {
		1756	if ($region->{match} && $path =~ $region->{match}) {
		1757	($match, $specificity) = ($region, $region->specificity)
		1758	if $region->specificity > $specificity;
		1759	}
		1760	}
		1761
		1762	$match
		1763	}
1126		1764
1127	=back	1765	=back
1128
1129		1766
1130	=head3 cf::map	1767	=head3 cf::map
1131		1768
1132	=over 4	1769	=over 4
1133		1770
…		…
1145	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1147		1784
1148	sub generate_random_map {	1785	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1150	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1791	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1188	my ($self, $merge) = @_;	1828	my ($self, $merge) = @_;
1189		1829
1190	# we have to keep some variables in memory intact	1830	# we have to keep some variables in memory intact
1191	local $self->{path};	1831	local $self->{path};
1192	local $self->{load_path};	1832	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1833
1196	$self->SUPER::thawer_merge ($merge);	1834	$self->SUPER::thawer_merge ($merge);
1197	}	1835	}
1198		1836
1199	sub normalise {	1837	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1247	return $self;	1885	return $self;
1248	}	1886	}
1249	}	1887	}
1250		1888
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1890	()
1253	}	1891	}
1254		1892
1255	sub init {	1893	sub init {
1256	my ($self) = @_;	1894	my ($self) = @_;
…		…
1271		1909
1272	# the original (read-only) location	1910	# the original (read-only) location
1273	sub load_path {	1911	sub load_path {
1274	my ($self) = @_;	1912	my ($self) = @_;
1275		1913
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1914	"$MAPDIR/$self->{path}.map"
1277	}	1915	}
1278		1916
1279	# the temporary/swap location	1917	# the temporary/swap location
1280	sub save_path {	1918	sub save_path {
1281	my ($self) = @_;	1919	my ($self) = @_;
1282		1920
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1922	"$TMPDIR/$path.map"
1285	}	1923	}
1286		1924
1287	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1288	sub uniq_path {	1926	sub uniq_path {
1289	my ($self) = @_;	1927	my ($self) = @_;
1290		1928
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1930	"$UNIQUEDIR/$path"
1293	}	1931	}
1294		1932
1295	# and all this just because we cannot iterate over	1933	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1934	my ($self) = @_;
1299		1935
1300	$_->change_map_light ($change)	1936	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1937
		1938	$self->do_decay_objects;
1302	}	1939	}
1303		1940
1304	sub unlink_save {	1941	sub unlink_save {
1305	my ($self) = @_;	1942	my ($self) = @_;
1306		1943
1307	utf8::encode (my $save = $self->save_path);	1944	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1946	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1947	}
1316		1948
1317	sub load_header_from($) {	1949	sub load_header_from($) {
1318	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1319		1951
1320	utf8::encode $path;	1952	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1326		1961
1327	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1328		1963
1329	1	1964	1
1330	}	1965	}
…		…
1369	$self->load_header_orig	2004	$self->load_header_orig
1370	or return;	2005	or return;
1371	$self->prepare_orig;	2006	$self->prepare_orig;
1372	}	2007	}
1373		2008
		2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
		2011
		2012	$self->default_region (cf::region::find_by_path $self->{path})
		2013	unless $self->default_region;
		2014
1374	1	2015	1
1375	}	2016	}
1376		2017
1377	sub find;	2018	sub find;
1378	sub find {	2019	sub find {
1379	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1380		2021
1381	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1382		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2026
1385	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1388	or return;	2029	or return;
1389		2030
1390	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1391		2032
1392	$map->load_header	2033	$map->load_header
1393	or return;	2034	or return;
1394		2035
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1398	$map->reset;	2041	$map->reset;
1399	undef $guard;
1400	return find $path;	2042	return find $path;
1401	}	2043	}
1402		2044
1403	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1404	}	2046	}
1405	}	2047	}
1406		2048
1407	sub pre_load { }	2049	sub pre_load { }
1408	sub post_load { }	2050	#sub post_load { } # XS
1409		2051
1410	sub load {	2052	sub load {
1411	my ($self) = @_;	2053	my ($self) = @_;
1412		2054
1413	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1414		2056
1415	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1417		2061
		2062	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2064
1420	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1421		2066
1422	$self->alloc;	2067	$self->alloc;
1423		2068
1424	$self->pre_load;	2069	$self->pre_load;
		2070	cf::cede_to_tick;
1425		2071
1426	$self->_load_objects ($self->{load_path}, 1)	2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1427	or return;	2075	or return;
1428		2076
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1430	if delete $self->{load_original};	2078	if delete $self->{load_original};
1431		2079
1432	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2081	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2084	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1437	}	2088	}
1438	}	2089	}
1439		2090
1440	Coro::cede;	2091	$f->resolve_delayed_derefs;
1441		2092
		2093	cf::cede_to_tick;
1442	# now do the right thing for maps	2094	# now do the right thing for maps
1443	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2097	unless $self->difficulty;
1453	Coro::cede;	2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1454	$self->activate;	2105	$self->activate;
		2106	}
		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
		2111	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2112	}
1456		2113
1457	$self->post_load;	2114	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2115	}
1461		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2120	sub customise_for {
1463	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1464		2122
1465	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2124	if $self->per_player;
1467		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
1468	$self	2129	$self
1469	}	2130	}
1470		2131
1471	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2133	sub load_neighbours {
1473	my ($map) = @_;	2134	my ($map) = @_;
1474		2135
1475	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1476		2137
1477	for (0 .. 3) {	2138	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1479	or next;	2140	or next;
1480	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1481	or next;	2142	or next;
1482	$neigh->load;	2143	$neigh->load;
1483		2144
		2145	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2148	}
1487		2149
1488	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1490	or next;	2153	or next;
1491	$neigh->load;	2154	$neigh->load;
1492	}	2155	}
1493	}	2156	}
1494		2157
…		…
1499	}	2162	}
1500		2163
1501	sub do_load_sync {	2164	sub do_load_sync {
1502	my ($map) = @_;	2165	my ($map) = @_;
1503		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1504	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1505	}	2171	}
1506		2172
1507	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1509		2175
1510	sub find_async {	2176	sub find_async {
1511	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1512		2178
1513	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1514		2180
1515	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2183	}
1518		2184
1519	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1520	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1521	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2192	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2193	$map->load if $v;
		2194	}
1526		2195
1527	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1528	}	2197	}
1529	}	2198	}
1530	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1531	};	2200	};
1532	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2204	}
1536		2205
1537	sub save {	2206	sub save {
1538	my ($self) = @_;	2207	my ($self) = @_;
1539		2208
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2210
1542	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1543		2212
1544	return unless $self->dirty;	2213	return unless $self->dirty;
1545		2214
…		…
1551	return if $self->{deny_save};	2220	return if $self->{deny_save};
1552		2221
1553	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1554		2223
1555	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1557	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1558		2230
1559	if ($uniq) {	2231	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2234	} else {
…		…
1568	my ($self) = @_;	2240	my ($self) = @_;
1569		2241
1570	# save first because save cedes	2242	# save first because save cedes
1571	$self->save;	2243	$self->save;
1572		2244
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2246
1575	return if $self->players;	2247	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1577	return if $self->{deny_save};	2249	return if $self->{deny_save};
1578		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2255	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2256	}
1582		2257
1583	sub reset_at {	2258	sub reset_at {
1584	my ($self) = @_;	2259	my ($self) = @_;
1585		2260
1586	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1589		2263
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2266
…		…
1603	my ($self) = @_;	2277	my ($self) = @_;
1604		2278
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2280
1607	return if $self->players;	2281	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2282
1610	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
1611		2284
1612	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1613		2286
1614	# need to save uniques path	2287	# need to save uniques path
1615	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2292	if $uniq;
1620	}	2293	}
1621		2294
1622	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1623		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2299	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2300
1628	$self->unlink_save;	2301	$self->unlink_save;
1629	$self->destroy;	2302	$self->destroy;
1630	}	2303	}
1631		2304
1632	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1633		2306
1634	sub nuke {	2307	sub nuke {
1635	my ($self) = @_;	2308	my ($self) = @_;
1636		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1637	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1638		2314
1639	$self->unlink_save;	2315	$self->unlink_save;
1640		2316
1641	bless $self, "cf::map";	2317	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2322
1647	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1648		2325
1649	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
		2327	}
		2328
		2329	=item $maps = cf::map::tmp_maps
		2330
		2331	Returns an arrayref with all map paths of currently instantiated and saved
		2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
		2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1650	}	2363	}
1651		2364
1652	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1653		2366
1654	Returns an arrayref of paths of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2368	instantiated unique items. May block.
1656		2369
1657	=cut	2370	=cut
1658		2371
1659	sub unique_maps() {	2372	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2373	[
1661	or return;	2374	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2375	utf8::decode $_;
1667	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2378	? ()
1670	push @paths, cf::map::normalise $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2381	]
1672
1673	\@paths
1674	}	2382	}
1675		2383
1676	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1677		2415
1678	=back	2416	=back
1679		2417
1680	=head3 cf::object	2418	=head3 cf::object
1681		2419
…		…
1685		2423
1686	=over 4	2424	=over 4
1687		2425
1688	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1689		2427
1690	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1691		2430
1692	=cut	2431	=cut
1693		2432
1694	sub inv_recursive_;	2433	sub inv_recursive_;
1695	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1698		2437
1699	sub inv_recursive {	2438	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1701	}	2440	}
1702		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1703	package cf;	2470	package cf;
1704		2471
1705	=back	2472	=back
1706		2473
1707	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1716		2483
1717	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1718		2499
1719	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2501	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1724		2505
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2507
1727	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1729	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1732	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1733	}	2533	}
1734		2534
1735	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1736		2536
1737	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1750		2550
1751	=item $player_object->enter_link	2551	=item $player_object->enter_link
1752		2552
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2554
1755	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1757		2559
1758	Will never block.	2560	Will never block.
1759		2561
1760	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1761		2563
…		…
1784	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1785		2587
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2589
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1790		2592
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2594	}
1793		2595
1794	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1796		2600
1797	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1798		2602
1799	unless ($map) {	2603	unless ($map) {
1800	# restore original map position	2604	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1813		2617
1814	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1817		2621
1818	$map->load;	2622	$map->load;
1819	$map->load_diag;	2623	$map->load_neighbours;
1820		2624
1821	return unless $self->contr->active;	2625	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2626
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
1826	}
1827		2629
1828	cf::player->attach (	2630	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2631	$self->activate_recursive;
1830	my ($pl) = @_;	2632	}
1831		2633
1832	# abort map switching before logout	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2635
1842	# try to abort aborted map switching on player login :)	2636	Moves the player to the given map-path and coordinates by first freezing
1843	# should happen only on crashes	2637	her, loading and preparing them map, calling the provided $check callback
1844	if ($pl->ob->{_link_pos}) {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->enter_link;	2639	the new (success) or old (failed) map position. In either case, $done will
1846	(async {	2640	be called at the end of this process.
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2641
1860	=item $player_object->goto ($path, $x, $y)	2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
1861		2644
1862	=cut	2645	=cut
		2646
		2647	our $GOTOGEN;
1863		2648
1864	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
		2651
		2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2654
1867	$self->enter_link;	2655	$self->enter_link;
1868		2656
1869	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
1870	my $map = eval {	2679	my $map = eval {
1871	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
		2684	$map = $check->($map) if $check && $map;
		2685	} else {
		2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
		2688
1873	$map	2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2695	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1878	})->prio (1);	2703	})->prio (1);
1879	}	2704	}
1880		2705
1881	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1882		2707
…		…
1902	}	2727	}
1903		2728
1904	sub prepare_random_map {	2729	sub prepare_random_map {
1905	my ($exit) = @_;	2730	my ($exit) = @_;
1906		2731
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2734	# that depends on the exit object
1912		2735
1913	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2738	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1920	}	2745	}
1921		2746
1922	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1923		2748
1924	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
1927		2752
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2755	undef $fh;
1931	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
1932		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
1935	}	2764	}
1936	}	2765	}
1937		2766
1938	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
1940		2769
1941	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
1942		2771
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2772	$self->enter_link;
1953		2773
1954	(async {	2774	(async {
1955	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
1956	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
1957	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
1958		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
1959	1;	2798	1
1960	}) {	2799	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2804
1966	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2806	$self->leave_link;
1968	}	2807	}
1969	})->prio (1);	2808	})->prio (1);
…		…
1982		2821
1983	sub cf::client::send_drawinfo {	2822	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2823	my ($self, $text, $flags) = @_;
1985		2824
1986	utf8::encode $text;	2825	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2827	}
1989		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
		3016	=item $client->ext_msg ($type, @msg)
		3017
		3018	Sends an ext event to the client.
		3019
		3020	=cut
		3021
		3022	sub cf::client::ext_msg($$@) {
		3023	my ($self, $type, @msg) = @_;
		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
		3028	push @msg, msgtype => "event_$type";
		3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
		3049	}
1990		3050
1991	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
1992		3052
1993	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3056
1997	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3058	become reliable at some point in the future.
1999		3059
2000	=cut	3060	=cut
2001		3061
2002	sub cf::client::query {	3062	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3071	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3073
2014	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2016	}	3078	}
2017		3079
2018	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2019	on_reply => sub {	3086	on_reply => sub {
2020	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2021		3088
2022	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2023	# get handled first	3090	# get handled first
…		…
2035	} else {	3102	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3104	}
2038	}	3105	}
2039	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2040	);	3133	);
2041		3134
2042	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2043		3136
2044	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3153
2061	$coro	3154	$coro
2062	}	3155	}
2063		3156
2064	cf::client->attach (	3157	cf::client->attach (
2065	on_destroy => sub {	3158	on_client_destroy => sub {
2066	my ($ns) = @_;	3159	my ($ns) = @_;
2067		3160
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3162	},
2070	);	3163	);
…		…
2085	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2087		3180
2088	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2089		3182
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2091		3188
2092	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2093		3190
2094	=pod	3191	=pod
2095		3192
2096	The following fucntions and emthods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2097		3194
2098	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2099	cf::object::player player	3200	cf::object::player
2100	cf::player peaceful	3201	player
2101	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2102		3208
2103	=cut	3209	=cut
2104		3210
2105	for (	3211	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2110	) {	3218	) {
2111	no strict 'refs';	3219	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2131		3239
2132	my $qcode = $code;	3240	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2135		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2136	local $_;	3247	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3248
2139	my $eval =	3249	my $eval =
2140	"do {\n"	3250	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3253	. $code
2144	. "\n}"	3254	. "\n}"
2145	;	3255	;
2146		3256
		3257	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2150		3266
2151	if ($@) {	3267	if ($@) {
2152	warn "$@";	3268	warn "$@";
2153	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2154	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2173	=cut	3289	=cut
2174		3290
2175	sub register_script_function {	3291	sub register_script_function {
2176	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2177		3293
2178	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2180	}	3296	}
2181		3297
2182	=back	3298	=back
2183		3299
2184	=cut	3300	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3301
2258	#############################################################################	3302	#############################################################################
2259	# the server's init and main functions	3303	# the server's init and main functions
2260		3304
		3305	sub load_facedata($) {
		3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3313
		3314	warn "loading facedata from $path\n";
		3315
		3316	my $facedata;
		3317	0 < aio_load $path, $facedata
		3318	or die "$path: $!";
		3319
		3320	$facedata = Coro::Storable::thaw $facedata;
		3321
		3322	$facedata->{version} == 2
		3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
		3334	{
		3335	my $faces = $facedata->{faceinfo};
		3336
		3337	while (my ($face, $info) = each %$faces) {
		3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
		3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
		3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3344
		3345	cf::cede_to_tick;
		3346	}
		3347
		3348	while (my ($face, $info) = each %$faces) {
		3349	next unless $info->{smooth};
		3350
		3351	my $idx = cf::face::find $face
		3352	or next;
		3353
		3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
		3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3357	} else {
		3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3359	}
		3360
		3361	cf::cede_to_tick;
		3362	}
		3363	}
		3364
		3365	{
		3366	my $anims = $facedata->{animinfo};
		3367
		3368	while (my ($anim, $info) = each %$anims) {
		3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3370	cf::cede_to_tick;
		3371	}
		3372
		3373	cf::anim::invalidate_all; # d'oh
		3374	}
		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
		3395	1
		3396	}
		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
2261	sub load_resources {	3426	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3442	or die "unable to load regions file\n";
2264	}
2265		3443
2266	sub cfg_load {	3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
		3450	sub reload_facedata {
		3451	load_facedata "$DATADIR/facedata"
		3452	or die "unable to load facedata\n";
		3453	}
		3454
		3455	sub reload_archetypes {
		3456	load_resource_file "$DATADIR/archetypes"
		3457	or die "unable to load archetypes\n";
		3458	}
		3459
		3460	sub reload_treasures {
		3461	load_resource_file "$DATADIR/treasures"
		3462	or die "unable to load treasurelists\n";
		3463	}
		3464
		3465	sub reload_resources {
		3466	warn "reloading resource files...\n";
		3467
		3468	reload_facedata;
		3469	reload_archetypes;
		3470	reload_regions;
		3471	reload_treasures;
		3472
		3473	warn "finished reloading resource files\n";
		3474	}
		3475
		3476	sub reload_config {
		3477	warn "reloading config file...\n";
		3478
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3480	or return;
2269		3481
2270	local $/;	3482	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2272		3484
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3486
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3494	};
2283	warn $@ if $@;	3495	warn $@ if $@;
2284	}	3496	}
2285	}
2286		3497
2287	sub init {	3498	warn "finished reloading resource files\n";
2288	load_resources;	3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3527	}
2290		3528
2291	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2292	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3547	(async {
2296	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2298	};	3551	};
2299		3552
2300	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2301	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2302	load_extensions;	3571	load_extensions;
2303		3572
2304	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2306	}	3583	}
2307		3584
2308	#############################################################################	3585	#############################################################################
2309	# initialisation and cleanup	3586	# initialisation and cleanup
2310		3587
2311	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2312	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2321	},
2322	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2323	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2324	}	3684	}
2325		3685
2326	sub emergency_save() {	3686	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2328		3688
2329	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2330		3690
2331	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2332	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3705	$pl->save;
2340	}	3706	}
2341	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2342		3708
2343	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3712	$map->valid or next;
2347	$map->save;	3713	$map->save;
2348	}	3714	}
2349	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2350		3716
2351	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2354	};	3724	};
2355		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2356	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2357	}	3732	}
2358		3733
2359	sub post_cleanup {	3734	sub post_cleanup {
2360	my ($make_core) = @_;	3735	my ($make_core) = @_;
2361		3736
2362	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3738	if $make_core;
2364	}
2365		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
		3768	}
		3769
2366	sub reload() {	3770	sub do_reload_perl() {
2367	# can/must only be called in main	3771	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2370	return;	3774	return;
2371	}	3775	}
2372		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2373	warn "reloading...";	3782	warn "reloading...";
2374		3783
2375	warn "entering sync_job";	3784	warn "entering sync_job";
2376		3785
2377	cf::sync_job {	3786	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3788	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2381		3790
2382	warn "syncing database to disk";	3791	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3793
2385	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2386		3795
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3799	}
2421		3800
2422	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2424	}	3803	%EXT_CORO = ();
2425		3804
2426	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3814	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3815
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2437	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2438	}	3825	}
2439		3826
2440	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2441	}	3842	}
2442		3843
2443	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3847
2447	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
		3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3851
2450	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3853	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2453		3855
2454	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2455		3857
2456	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2457	require cf;	3859	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2459		3861
2460	warn "loading config and database again";	3862	warn "loading config and database again";
2461	cf::cfg_load;	3863	cf::reload_config;
2462		3864
2463	warn "loading extensions";	3865	warn "loading extensions";
2464	cf::load_extensions;	3866	cf::load_extensions;
2465		3867
		3868	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3870	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
		3873	warn "reattaching attachments to players";
		3874	reattach $_ for values %PLAYER;
		3875	}
2470		3876
2471	warn "loading reloadable resources";	3877	warn "running post_init jobs";
2472	load_resources;	3878	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3879
2474	warn "leaving sync_job";	3880	warn "leaving sync_job";
2475		3881
2476	1	3882	1
2477	} or do {	3883	} or do {
2478	warn $@;	3884	warn $@;
2479	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3886	};
		3887
		3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
		3894	};
		3895
		3896	our $RELOAD_WATCHER; # used only during reload
		3897
		3898	sub reload_perl() {
		3899	# doing reload synchronously and two reloads happen back-to-back,
		3900	# coro crashes during coro_state_free->destroy here.
		3901
		3902	$RELOAD_WATCHER ||= cf::async {
		3903	Coro::AIO::aio_wait cache_extensions;
		3904
		3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3906	do_reload_perl;
		3907	undef $RELOAD_WATCHER;
		3908	};
2481	};	3909	};
2482		3910	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3911
2488	register_command "reload" => sub {	3912	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2490		3914
2491	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
2493		3917	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3918	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3919	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3920	};
2506	}	3921	}
2507	};	3922	};
2508		3923
2509	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2510		3925
2511	my $bug_warning = 0;	3926	my $bug_warning = 0;
2512		3927
2513	$TICK_WATCHER = Event->timer (	3928	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3929	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3930
2516	prio => 0,	3931	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3933
2519	cb => sub {	3934	my $signal = new Coro::Signal;
		3935	push @WAIT_FOR_TICK, $signal;
		3936	$signal->wait;
		3937	}
		3938
		3939	sub wait_for_tick_begin {
		3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3941
		3942	my $signal = new Coro::Signal;
		3943	push @WAIT_FOR_TICK_BEGIN, $signal;
		3944	$signal->wait;
		3945	}
		3946
		3947	sub tick {
2520	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2523	return;	3951	return;
2524	}	3952	}
2525		3953
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3955
		3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		3957
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	3960	Coro::async_pool {
		3961	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3962	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3964	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3965	}
2553	);	3966
		3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3968	$sig->send;
		3969	}
		3970	while (my $sig = shift @WAIT_FOR_TICK) {
		3971	$sig->send;
		3972	}
		3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
2554		3985
2555	{	3986	{
2556	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3988
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
2566		3990	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3992
2582	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		4000
2585	cf::sync_job {	4001	cf::sync_job {
2586	eval {	4002	eval {
2587	BDB::db_env_open	4003	BDB::db_env_open
2588	$DB_ENV,	4004	$DB_ENV,
2589	$BDB_ENV_DIR,	4005	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4008	0666;
2593		4009
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4011	};
2599		4012
2600	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4014	};
2602	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
2603	}	4026	}
2604		4027
2605	{	4028	{
		4029	# configure IO::AIO
		4030
2606	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4034	}
		4035
		4036	my $_log_backtrace;
		4037
		4038	sub _log_backtrace {
		4039	my ($msg, @addr) = @_;
		4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
		4076	}
		4077
		4078	# load additional modules
		4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2619		4081
2620	END { cf::emergency_save }	4082	END { cf::emergency_save }
2621		4083
2622	1	4084	1
2623		4085

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