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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	201	every server tick.
96		202
97	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
119	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
121		257
122	=back	258	=back
123		259
124	=cut	260	=cut
125		261
126	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
127	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
128	my $msg = join "", @_;	269	my $msg = join "", @_;
129	utf8::encode $msg;
130		270
131	$msg .= "\n"	271	$msg .= "\n"
132	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
133		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
134	LOG llevError, $msg;	276	LOG llevWarn, $msg;
135	};	277	};
136	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
137		292
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		300
145	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	302	# within the Safe compartment.
147	for my $pkg (qw(	303	for my $pkg (qw(
148	cf::global cf::attachable	304	cf::global cf::attachable
149	cf::object cf::object::player	305	cf::object cf::object::player
150	cf::client cf::player	306	cf::client cf::player
151	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
152	cf::map cf::party cf::region	309	cf::party cf::region
153	)) {	310	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	312	}
157		313
158	$Event::DIED = sub {	314	$EV::DIED = sub {
159	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
160	};	316	};
161		317
162	my %ext_pkg;	318	#############################################################################
163	my @exts;
164	my @hook;
165		319
166	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
167		321
168	=over 4	322	=over 4
169		323
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	343	$d
190	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
191	}	345	}
192		346
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
196		348
197	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
198		350
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
207		352
208	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
209		354
210	=cut	355	=cut
211		356
212	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
214	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
215	}	386	}
216		387
217	=item cf::lock_wait $string	388	=item cf::lock_wait $string
218		389
219	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
220		391
221	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
222		393
223	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
226	returned.	397	returned.
227		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
228	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
230		404
231	=cut	405	=item $locked = cf::lock_active $string
232		406
233	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
234		412
235	sub lock_wait($) {	413	sub lock_wait($) {
236	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	415	}
244		416
245	sub lock_acquire($) {	417	sub lock_acquire($) {
246	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
247		420
248	# wait, to be sure we are not locked	421	sub lock_active($) {
249	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	423	}
258		424
259	sub freeze_mainloop {	425	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
261		427
262	my $guard = Coro::guard { $TICK_WATCHER->start };	428	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	429	}
264	$guard	430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
		495	}
		496	};
		497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
265	}	511	}
266		512
267	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
268		514
269	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		520
275	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
276		522
277	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
278		524
279	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
282		529
283	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
286	fast or be very important.	533	fast or be very important.
…		…
288	=cut	535	=cut
289		536
290	sub sync_job(&) {	537	sub sync_job(&) {
291	my ($job) = @_;	538	my ($job) = @_;
292		539
293	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
294	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
296		545
297	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	547
299	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
300		549
301	my $busy = 1;	550	my $busy = 1;
302	my @res;	551	my @res;
303		552
304	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	555	@res = eval { $job->() };
306	warn $@ if $@;	556	error $@ if $@;
307	undef $busy;	557	undef $busy;
308	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
309		559
310	while ($busy) {	560	while ($busy) {
311	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
312	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
313		571
314	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
315	} else {	573	} else {
316	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
317		575
…		…
319	}	577	}
320	}	578	}
321		579
322	=item $coro = cf::async_ext { BLOCK }	580	=item $coro = cf::async_ext { BLOCK }
323		581
324	Like async, but this coro is automcatially being canceled when the	582	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	583	extension calling this is being unloaded.
326		584
327	=cut	585	=cut
328		586
329	sub async_ext(&) {	587	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
338		596
339	$coro	597	$coro
340	}	598	}
341		599
342	sub write_runtime {	600	=item fork_call { }, @args
343	my $runtime = cf::localdir . "/runtime";
344		601
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
346	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
347		606
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	607	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		608
352	aio_fsync $fh	609	sub post_fork {
353	and return;	610	reset_signals;
		611	}
354		612
355	close $fh	613	sub fork_call(&@) {
356	or return;	614	my ($cb, @args) = @_;
357		615
358	aio_rename "$runtime~", $runtime	616	# we seemingly have to make a local copy of the whole thing,
359	and return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
360		619
		620	my @res = Coro::Util::fork_eval {
		621	cf::post_fork;
		622	&$cb
		623	} @args;
		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
361	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	804	}
363		805
364	=back	806	=back
365		807
366	=cut	808	=cut
367		809
368	#############################################################################	810	#############################################################################
369		811
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
493		813
494	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
497		817
498	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	820	Deliantra).
501		821
502	=over 4	822	=over 4
503		823
504	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
505		825
…		…
549	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
550		870
551	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
553		873
554	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
556		876
557	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
558		878
559	=over 4	879	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	939	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	940	our @CB_MAP = ();
621		941
622	my %attachment;	942	my %attachment;
623		943
		944	sub cf::attachable::thawer_merge {
		945	# simply override everything except _meta
		946	local $_[0]{_meta};
		947	%{$_[0]} = %{$_[1]};
		948	}
		949
624	sub _attach_cb($$$$) {	950	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	951	my ($registry, $event, $prio, $cb) = @_;
626		952
627	use sort 'stable';	953	use sort 'stable';
628		954
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
663		989
664	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		994
669	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	996	my $pkg = shift @arg;
671		997
672	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
677		1003
678	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		1006
681	} elsif (ref $type) {	1007	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
683		1009
684	} else {	1010	} else {
685	shift @arg;	1011	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
687	}	1013	}
688	}	1014	}
689	}	1015	}
690		1016
691	sub _object_attach {	1017	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
702	}	1028	}
703		1029
704	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
705	} else {	1031	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1033	}
708		1034
709	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
710	}	1036	}
711		1037
…		…
713	if (ref $_[0]) {	1039	if (ref $_[0]) {
714	_object_attach @_;	1040	_object_attach @_;
715	} else {	1041	} else {
716	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
717	}	1043	}
		1044	_recalc_want;
718	};	1045	};
719		1046
720	# all those should be optimised	1047	# all those should be optimised
721	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1053	reattach ($obj);
727	} else {	1054	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
729	}	1056	}
		1057	_recalc_want;
730	};	1058	};
731		1059
732	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
734		1062
…		…
749	";	1077	";
750	die if $@;	1078	die if $@;
751	}	1079	}
752		1080
753	our $override;	1081	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1083
756	sub override {	1084	sub override {
757	$override = 1;	1085	$override = 1;
758	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
759	}	1087	}
760		1088
761	sub do_invoke {	1089	sub do_invoke {
762	my $event = shift;	1090	my $event = shift;
763	my $callbacks = shift;	1091	my $callbacks = shift;
764		1092
765	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
766		1094
767	local $override;	1095	local $override;
768		1096
769	for (@$callbacks) {	1097	for (@$callbacks) {
770	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
771		1099
772	if ($@) {	1100	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1102	override;
776	}	1103	}
777		1104
778	return 1 if $override;	1105	return 1 if $override;
779	}	1106	}
780		1107
781	0	1108	0
782	}	1109	}
783		1110
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1112
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1114
788	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
789		1116
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1120
794	=back	1121	=back
795		1122
796	=cut	1123	=cut
797		1124
798	#############################################################################	1125	#############################################################################
799	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
800		1169
801	sub reattach {	1170	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1172	my ($obj) = @_;
		1173
		1174	# no longer needed after getting rid of delete_package?
		1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1176
805	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
806		1178
807	@$registry = ();	1179	@$registry = ();
808		1180
…		…
813	for (@$attach) {	1185	for (@$attach) {
814	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
816	}	1188	}
817	} else {	1189	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1191	}
820	}	1192	}
821	}	1193	}
822		1194
823	cf::attachable->attach (	1195	cf::attachable->attach (
824	prio => -1000000,	1196	prio => -1000000,
825	on_instantiate => sub {	1197	on_instantiate => sub {
826	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
827		1199
828	$data = from_json $data;	1200	$data = decode_json $data;
829		1201
830	for (@$data) {	1202	for (@$data) {
831	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
832		1204
833	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1221	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
851		1223
852	sync_job {	1224	sync_job {
853	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
856		1230
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1234	if ($cf::USE_FSYNC) {
		1235	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;
860	aio_fsync $fh;	1236	aio_fsync $fh;
		1237	}
861	close $fh;	1238	aio_close $fh;
862		1239
863	if (@$objs) {	1240	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
		1245	if ($cf::USE_FSYNC) {
		1246	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;
868	aio_fsync $fh;	1247	aio_fsync $fh;
		1248	}
869	close $fh;	1249	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
871	}	1251	}
872	} else {	1252	} else {
873	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
874	}	1254	}
875		1255
876	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1260	} else {
878	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
879	}	1262	}
880	} else {	1263	} else {
881	aio_unlink $filename;	1264	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
883	}	1266	}
884	}	1267	};
885	}	1268	}
886		1269
887	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
889		1272
…		…
901	or return;	1284	or return;
902		1285
903	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
905	or return;	1288	or return;
		1289
906	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
907	}	1292	}
908		1293
		1294	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
911	return ($data, $av);	1299	($data, $av)
912	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
913		1307
914	#############################################################################	1308	#############################################################################
915	# command handling &c	1309	# command handling &c
916		1310
917	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1325	}
932		1326
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1328
935	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
936		1334
937	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
938	called.	1336	called.
939		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
940	=cut	1349	=cut
941		1350
942	sub register_extcmd {	1351	sub register_extcmd {
943	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
944		1353
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1354	$EXTCMD{$name} = $cb;
949	}	1355	}
		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
950		1364
951	cf::player->attach (	1365	cf::player->attach (
952	on_command => sub {	1366	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
954		1368
955	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
956	or return;	1370	or return;
957		1371
…		…
962	cf::override;	1376	cf::override;
963	},	1377	},
964	on_extcmd => sub {	1378	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
966		1380
967	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1382
969	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
975	} else {	1398	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1400	}
978		1401
979	cf::override;	1402	cf::override;
980	},	1403	},
981	);	1404	);
982		1405
983	sub register {	1406	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1407	sub cache_extensions {
990	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
991		1409
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1413	}
1042	}	1414	};
1043		1415
1044	# remove extcmds	1416	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1417	}
1058		1418
1059	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
1060	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1426	next unless -r $path;
1062	eval {	1427
1063	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
1064	1	1491	}
1065	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
1066	}	1502	};
1067	}	1503	}
1068		1504
1069	#############################################################################	1505	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1506
1072	*cf::mapsupport::on_clean = sub {	1507	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1508
1085	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1086		1510
1087	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1088		1512
1089	=cut	1513	=cut
1090		1514
1091	package cf::player;	1515	package cf::player;
1092		1516
…		…
1094		1518
1095	=head3 cf::player	1519	=head3 cf::player
1096		1520
1097	=over 4	1521	=over 4
1098		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
1099	=item cf::player::find $login	1537	=item cf::player::find $login
1100		1538
1101	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1102		1540
1103	=cut	1541	=cut
1104		1542
1105	sub playerdir($) {	1543	sub playerdir($) {
1106	cf::localdir	1544	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1546	}
1112		1547
1113	sub path($) {	1548	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1550
1116	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
1117	}	1552	}
1118		1553
1119	sub find_active($) {	1554	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
1124		1559
1125	sub exists($) {	1560	sub exists($) {
1126	my ($login) = @_;	1561	my ($login) = @_;
1127		1562
1128	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1564	or !aio_stat path $login
1130	}	1565	}
1131		1566
1132	sub find($) {	1567	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1569	my $login = $_[0];
1135		1570
1136	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
1137		1572
1138	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1142	}	1590	}
1143	}	1591	}
1144	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1145		1606
1146	sub save($) {	1607	sub save($) {
1147	my ($pl) = @_;	1608	my ($pl) = @_;
1148		1609
1149	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1155		1616
1156	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1158		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1159	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1160	Coro::cede;	1626	cf::cede_to_tick;
1161	}	1627	}
1162		1628
1163	sub new($) {	1629	sub new($) {
1164	my ($login) = @_;	1630	my ($login) = @_;
1165		1631
…		…
1171	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1172		1638
1173	$self	1639	$self
1174	}	1640	}
1175		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1176	=item $pl->quit_character	1652	=item $pl->quit_character
1177		1653
1178	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1180		1656
1181	=cut	1657	=cut
1182		1658
1183	sub quit_character {	1659	sub quit_character {
1184	my ($pl) = @_;	1660	my ($pl) = @_;
1185		1661
		1662	my $name = $pl->ob->name;
		1663
1186	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1666
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1193		1675
1194	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1199	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
		1688	}
		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
1200	}	1702	}
1201		1703
1202	=item cf::player::list_logins	1704	=item cf::player::list_logins
1203		1705
1204	Returns am arrayref of all valid playernames in the system, can take a	1706	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1206		1708
1207	=cut	1709	=cut
1208		1710
1209	sub list_logins {	1711	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1713	or return [];
1212		1714
1213	my @logins;	1715	my @logins;
1214		1716
1215	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1219		1727
1220	utf8::decode $login;	1728	utf8::decode $login;
1221	push @logins, $login;	1729	push @logins, $login;
1222	}	1730	}
1223		1731
1224	\@logins	1732	\@logins
1225	}	1733	}
1226		1734
1227	=item $player->maps	1735	=item $player->maps
1228		1736
		1737	=item cf::player::maps $login
		1738
1229	Returns an arrayref of cf::path's of all maps that are private for this	1739	Returns an arrayref of map paths that are private for this
1230	player. May block.	1740	player. May block.
1231		1741
1232	=cut	1742	=cut
1233		1743
1234	sub maps($) {	1744	sub maps($) {
1235	my ($pl) = @_;	1745	my ($pl) = @_;
		1746
		1747	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1748
1237	my $files = aio_readdir playerdir $pl	1749	my $files = aio_readdir playerdir $pl
1238	or return;	1750	or return;
1239		1751
1240	my @paths;	1752	my @paths;
1241		1753
1242	for (@$files) {	1754	for (@$files) {
1243	utf8::decode $_;	1755	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1756	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1757	next unless /^$PATH_SEP/o;
1246		1758
1247	s/$PATH_SEP/\//g;	1759	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1760	}
1250		1761
1251	\@paths	1762	\@paths
1252	}	1763	}
1253		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1255		1770
1256	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1257		1772
1258	=cut	1773	=cut
1259		1774
1260	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1262		1777
1263	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1779	}
1267		1780
1268	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1269		1823
1270	=back	1824	=back
1271
1272		1825
1273	=head3 cf::map	1826	=head3 cf::map
1274		1827
1275	=over 4	1828	=over 4
1276		1829
…		…
1279	package cf::map;	1832	package cf::map;
1280		1833
1281	use Fcntl;	1834	use Fcntl;
1282	use Coro::AIO;	1835	use Coro::AIO;
1283		1836
		1837	use overload
		1838	'""' => \&as_string,
		1839	fallback => 1;
		1840
1284	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1286		1843
1287	sub generate_random_map {	1844	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1848
1290	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1850	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1858	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1859	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1860	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1861	(cf::region::find $rmp->{region}), $rmp->{custom}
		1862	)
1304	}	1863	}
1305		1864
1306	# and all this just because we cannot iterate over	1865	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1866
1311	$_->change_map_light ($change)	1867	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1868	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1869	default).
1314		1870
1315	sub try_load_header($) {	1871	=cut
		1872
		1873	sub register {
		1874	my (undef, $regex, $prio) = @_;
		1875	my $pkg = caller;
		1876
		1877	push @{"$pkg\::ISA"}, __PACKAGE__;
		1878
		1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1880	}
		1881
		1882	# also paths starting with '/'
		1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1884
		1885	sub thawer_merge {
		1886	my ($self, $merge) = @_;
		1887
		1888	# we have to keep some variables in memory intact
		1889	local $self->{path};
		1890	local $self->{load_path};
		1891
		1892	$self->SUPER::thawer_merge ($merge);
		1893	}
		1894
		1895	sub normalise {
1316	my ($path) = @_;	1896	my ($path, $base) = @_;
		1897
		1898	$path = "$path"; # make sure it's a string
		1899
		1900	$path =~ s/\.map$//;
		1901
		1902	# map plan:
		1903	#
		1904	# /! non-realised random map exit (special hack!)
		1905	# {... are special paths that are not being touched
		1906	# ?xxx/... are special absolute paths
		1907	# ?random/... random maps
		1908	# /... normal maps
		1909	# ~user/... per-player map of a specific user
		1910
		1911	$path =~ s/$PATH_SEP/\//go;
		1912
		1913	# treat it as relative path if it starts with
		1914	# something that looks reasonable
		1915	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1916	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1917
		1918	$base =~ s{[^/]+/?$}{};
		1919	$path = "$base/$path";
		1920	}
		1921
		1922	for ($path) {
		1923	redo if s{//}{/};
		1924	redo if s{/\.?/}{/};
		1925	redo if s{/[^/]+/\.\./}{/};
		1926	}
		1927
		1928	$path
		1929	}
		1930
		1931	sub new_from_path {
		1932	my (undef, $path, $base) = @_;
		1933
		1934	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1935
		1936	$path = normalise $path, $base;
		1937
		1938	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1939	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1940	my $self = bless cf::map::new, $pkg;
		1941	$self->{path} = $path; $self->path ($path);
		1942	$self->init; # pass $1 etc.
		1943	return $self;
		1944	}
		1945	}
		1946
		1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1948	()
		1949	}
		1950
		1951	sub init {
		1952	my ($self) = @_;
		1953
		1954	$self
		1955	}
		1956
		1957	sub as_string {
		1958	my ($self) = @_;
		1959
		1960	"$self->{path}"
		1961	}
		1962
		1963	# the displayed name, this is a one way mapping
		1964	sub visible_name {
		1965	&as_string
		1966	}
		1967
		1968	# the original (read-only) location
		1969	sub load_path {
		1970	my ($self) = @_;
		1971
		1972	"$MAPDIR/$self->{path}.map"
		1973	}
		1974
		1975	# the temporary/swap location
		1976	sub save_path {
		1977	my ($self) = @_;
		1978
		1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1980	"$TMPDIR/$path.map"
		1981	}
		1982
		1983	# the unique path, undef == no special unique path
		1984	sub uniq_path {
		1985	my ($self) = @_;
		1986
		1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1988	"$UNIQUEDIR/$path"
		1989	}
		1990
		1991	sub decay_objects {
		1992	my ($self) = @_;
		1993
		1994	return if $self->{deny_reset};
		1995
		1996	$self->do_decay_objects;
		1997	}
		1998
		1999	sub unlink_save {
		2000	my ($self) = @_;
		2001
		2002	utf8::encode (my $save = $self->save_path);
		2003	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2004	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2005	}
		2006
		2007	sub load_header_from($) {
		2008	my ($self, $path) = @_;
1317		2009
1318	utf8::encode $path;	2010	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1320	or return;	2012	or return;
1321		2013
1322	my $map = cf::map::new	2014	$self->_load_header ($f)
1323	or return;	2015	or return;
1324		2016
1325	# for better error messages only, will be overwritten	2017	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	2018	$f->resolve_delayed_derefs;
1327		2019
1328	$map->load_header ($path)	2020	$self->{load_path} = $path;
		2021
		2022	1
		2023	}
		2024
		2025	sub load_header_orig {
		2026	my ($self) = @_;
		2027
		2028	$self->load_header_from ($self->load_path)
		2029	}
		2030
		2031	sub load_header_temp {
		2032	my ($self) = @_;
		2033
		2034	$self->load_header_from ($self->save_path)
		2035	}
		2036
		2037	sub prepare_temp {
		2038	my ($self) = @_;
		2039
		2040	$self->last_access ((delete $self->{last_access})
		2041	|| $cf::RUNTIME); #d#
		2042	# safety
		2043	$self->{instantiate_time} = $cf::RUNTIME
		2044	if $self->{instantiate_time} > $cf::RUNTIME;
		2045	}
		2046
		2047	sub prepare_orig {
		2048	my ($self) = @_;
		2049
		2050	$self->{load_original} = 1;
		2051	$self->{instantiate_time} = $cf::RUNTIME;
		2052	$self->last_access ($cf::RUNTIME);
		2053	$self->instantiate;
		2054	}
		2055
		2056	sub load_header {
		2057	my ($self) = @_;
		2058
		2059	if ($self->load_header_temp) {
		2060	$self->prepare_temp;
		2061	} else {
		2062	$self->load_header_orig
1329	or return;	2063	or return;
		2064	$self->prepare_orig;
		2065	}
1330		2066
1331	$map->{load_path} = $path;	2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
1332		2069
1333	$map	2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
		2073	1
1334	}	2074	}
1335		2075
1336	sub find;	2076	sub find;
1337	sub find {	2077	sub find {
1338	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1339		2079
1340	#warn "find<$path,$origin>\n";#d#	2080	cf::cede_to_tick;
1341		2081
1342	$path = new cf::path $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2083
1345	cf::lock_wait "map_find:$key";	2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2086
1350	# do it the slow way	2087	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2088	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2089	or return;
1369		2090
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1382		2092
1383	Coro::cede;	2093	$map->load_header
		2094	or return;
1384		2095
1385	if ($map->should_reset) {	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2097	# doing this can freeze the server in a sync job, obviously
		2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1386	$map->reset;	2101	$map->reset;
1387	undef $guard;
1388	$map = find $path	2102	return find $path;
1389	or return;
1390	}	2103	}
1391		2104
1392	$cf::MAP{$key} = $map	2105	$cf::MAP{$path} = $map
1393	}	2106	}
1394	}	2107	}
		2108
		2109	sub pre_load { }
		2110	#sub post_load { } # XS
1395		2111
1396	sub load {	2112	sub load {
1397	my ($self) = @_;	2113	my ($self) = @_;
1398		2114
		2115	local $self->{deny_reset} = 1; # loading can take a long time
		2116
1399	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2120	my $guard = cf::lock_acquire "map_data:$path";
1401		2121
		2122	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2124
1404	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1405		2126
1406	$self->alloc;	2127	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2128
		2129	$self->pre_load;
		2130	cf::cede_to_tick;
		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1408	or return;	2135	or return;
1409		2136
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1411	if delete $self->{load_original};	2138	if delete $self->{load_original};
1412		2139
1413	if (my $uniq = $path->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2141	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2144	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1418	}	2148	}
1419	}	2149	}
1420		2150
1421	Coro::cede;	2151	$f->resolve_delayed_derefs;
1422		2152
		2153	cf::cede_to_tick;
1423	# now do the right thing for maps	2154	# now do the right thing for maps
1424	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2157	unless $self->difficulty;
		2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1436	$self->activate;	2165	$self->activate;
1437	}	2166	}
1438		2167
1439	Coro::cede;	2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
1440		2170
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
		2172	}
		2173
		2174	$self->post_load;
		2175	}
		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
		2180	sub customise_for {
		2181	my ($self, $ob) = @_;
		2182
		2183	return find "~" . $ob->name . "/" . $self->{path}
		2184	if $self->per_player;
		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
		2189	$self
		2190	}
		2191
		2192	# find and load all maps in the 3x3 area around a map
		2193	sub load_neighbours {
		2194	my ($map) = @_;
		2195
		2196	my @neigh; # diagonal neighbours
		2197
		2198	for (0 .. 3) {
		2199	my $neigh = $map->tile_path ($_)
		2200	or next;
		2201	$neigh = find $neigh, $map
		2202	or next;
		2203	$neigh->load;
		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
		2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2209	}
		2210
		2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
		2213	my $neigh = find $path, $origin
		2214	or next;
		2215	$neigh->load;
		2216	}
1442	}	2217	}
1443		2218
1444	sub find_sync {	2219	sub find_sync {
1445	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1446		2221
1447	cf::sync_job { cf::map::find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1448	}	2226	}
1449		2227
1450	sub do_load_sync {	2228	sub do_load_sync {
1451	my ($map) = @_;	2229	my ($map) = @_;
1452		2230
1453	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
		2235	}
		2236
		2237	our %MAP_PREFETCH;
		2238	our $MAP_PREFETCHER = undef;
		2239
		2240	sub find_async {
		2241	my ($path, $origin, $load) = @_;
		2242
		2243	$path = normalise $path, $origin && $origin->{path};
		2244
		2245	if (my $map = $cf::MAP{$path}) {
		2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2247	}
		2248
		2249	$MAP_PREFETCH{$path} |= $load;
		2250
		2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
		2254	while (%MAP_PREFETCH) {
		2255	while (my ($k, $v) = each %MAP_PREFETCH) {
		2256	if (my $map = find $k) {
		2257	$map->load if $v;
		2258	}
		2259
		2260	delete $MAP_PREFETCH{$k};
		2261	}
		2262	}
		2263	undef $MAP_PREFETCHER;
		2264	};
		2265	$MAP_PREFETCHER->prio (6);
		2266
		2267	()
		2268	}
		2269
		2270	# common code, used by both ->save and ->swapout
		2271	sub _save {
		2272	my ($self) = @_;
		2273
		2274	$self->{last_save} = $cf::RUNTIME;
		2275
		2276	return unless $self->dirty;
		2277
		2278	my $save = $self->save_path; utf8::encode $save;
		2279	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2280
		2281	$self->{load_path} = $save;
		2282
		2283	return if $self->{deny_save};
		2284
		2285	local $self->{last_access} = $self->last_access;#d#
		2286
		2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
		2289	$_->contr->save for $self->players;
		2290	};
		2291
		2292	cf::get_slot 0.02;
		2293
		2294	if ($uniq) {
		2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2297	} else {
		2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2299	}
1454	}	2300	}
1455		2301
1456	sub save {	2302	sub save {
1457	my ($self) = @_;	2303	my ($self) = @_;
1458		2304
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2306
1461	$self->{last_save} = $cf::RUNTIME;	2307	$self->_save;
1462
1463	return unless $self->dirty;
1464
1465	my $save = $self->{path}->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1467
1468	$self->{load_path} = $save;
1469
1470	return if $self->{deny_save};
1471
1472	local $self->{last_access} = $self->last_access;#d#
1473
1474	cf::async {
1475	$_->contr->save for $self->players;
1476	};
1477
1478	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}
1484	}	2308	}
1485		2309
1486	sub swap_out {	2310	sub swap_out {
1487	my ($self) = @_;	2311	my ($self) = @_;
1488		2312
1489	# save first because save cedes
1490	$self->save;
1491
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1494	return if $self->players;	2317	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};
1497		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1498	$self->clear;	2328	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2329	}
1501		2330
1502	sub reset_at {	2331	sub reset_at {
1503	my ($self) = @_;	2332	my ($self) = @_;
1504		2333
1505	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1508		2336
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2339
…		…
1516	my ($self) = @_;	2344	my ($self) = @_;
1517		2345
1518	$self->reset_at <= $cf::RUNTIME	2346	$self->reset_at <= $cf::RUNTIME
1519	}	2347	}
1520		2348
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2349	sub reset {
1543	my ($self) = @_;	2350	my ($self) = @_;
1544		2351
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2353
1547	return if $self->players;	2354	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2355
1550	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
		2357
		2358	$self->in_memory (cf::MAP_SWAPPED);
		2359
		2360	# need to save uniques path
		2361	unless ($self->{deny_save}) {
		2362	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2363
		2364	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2365	if $uniq;
		2366	}
1551		2367
1552	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1553		2369
		2370	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2371	$_->clear_links_to ($self) for values %cf::MAP;
		2372	$self->clear;
1555		2373
1556	$self->unlink_save;	2374	$self->unlink_save;
1557	$self->destroy;	2375	$self->destroy;
1558	}	2376	}
1559		2377
1560	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1561		2379
1562	sub nuke {	2380	sub nuke {
1563	my ($self) = @_;	2381	my ($self) = @_;
1564		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
		2386	delete $cf::MAP{$self->path};
		2387
		2388	$self->unlink_save;
		2389
		2390	bless $self, "cf::map::wrap";
		2391	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2395
		2396	$cf::MAP{$self->path} = $self;
		2397	}
		2398
1568	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1569	}	2400	}
1570		2401
1571	sub customise_for {	2402	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2403
1574	if ($map->per_player) {	2404	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
1576	}	2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
1577		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
		2436	}
		2437
		2438	=item cf::map::unique_maps
		2439
		2440	Returns an arrayref of paths of all shared maps that have
		2441	instantiated unique items. May block.
		2442
		2443	=cut
		2444
		2445	sub unique_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
		2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
		2454	]
		2455	}
		2456
		2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
1578	$map	2486	\@maps
1579	}	2487	}
1580
1581	package cf;
1582		2488
1583	=back	2489	=back
1584		2490
1585	=head3 cf::object	2491	=head3 cf::object
1586		2492
…		…
1590		2496
1591	=over 4	2497	=over 4
1592		2498
1593	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1594		2500
1595	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1596		2503
1597	=cut	2504	=cut
1598		2505
1599	sub inv_recursive_;	2506	sub inv_recursive_;
1600	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1603		2510
1604	sub inv_recursive {	2511	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1606	}	2513	}
1607		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1608	package cf;	2543	package cf;
1609		2544
1610	=back	2545	=back
1611		2546
1612	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1621		2556
1622	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1623		2572
1624	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2574	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1629		2578
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2580
1632	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1634	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1637	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1638	}	2606	}
1639		2607
1640	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1641		2609
1642	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1655		2623
1656	=item $player_object->enter_link	2624	=item $player_object->enter_link
1657		2625
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2627
1660	The player should be reaosnably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
		2632
		2633	Will never block.
1662		2634
1663	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1664		2636
1665	Moves the player out of the specila link map onto the given map. If the	2637	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2638	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2639	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2640	fails, to the emergency map position.
1669		2641
1670	Might block.	2642	Might block.
1671		2643
1672	=cut	2644	=cut
		2645
		2646	sub link_map {
		2647	unless ($LINK_MAP) {
		2648	$LINK_MAP = cf::map::find "{link}"
		2649	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2650	$LINK_MAP->load;
		2651	}
		2652
		2653	$LINK_MAP
		2654	}
1673		2655
1674	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2657	my ($self) = @_;
1676		2658
1677	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1678		2660
1679	return if $self->map == $LINK_MAP;	2661	++$self->{_link_recursion};
		2662
		2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2664
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1683		2667
1684	$self->enter_map ($LINK_MAP, 20, 20);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1685	}	2669	}
1686		2670
1687	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1689		2675
1690	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1691		2677
1692	unless ($map) {	2678	unless ($map) {
1693	# restore original map position	2679	# restore original map position
…		…
1704	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1705	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1706		2692
1707	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1710		2696
1711	$map->load;	2697	$map->load;
		2698	$map->load_neighbours;
1712		2699
1713	return unless $self->contr->active;	2700	return unless $self->contr->active;
		2701
		2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2703	if ($self->enter_map ($map, $x, $y)) {
		2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
1714	$self->activate_recursive;	2707	$self->activate_recursive;
1715	$self->enter_map ($map, $x, $y);
1716	}
1717
1718	cf::player->attach (
1719	on_logout => sub {
1720	my ($pl) = @_;
1721
1722	# abort map switching before logout
1723	if ($pl->ob->{_link_pos}) {
1724	cf::sync_job {
1725	$pl->ob->leave_link
1726	};
1727	}
1728	},	2708	}
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2709
1732	# try to abort aborted map switching on player login :)	2710	}
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2711
1750	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1751		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1752	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1753		2726
1754	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2729
1757	$path = new cf::path $path;	2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
1758	$path ne "/" or Carp::cluck ("oy");#d#	2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2738
1760	$self->enter_link;	2739	$self->enter_link;
1761		2740
1762	(async {	2741	(async {
1763	my $map = cf::map::find $path->as_string;	2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
		2763	my $map = eval {
		2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
1765		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2769	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
1770		2772
		2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
		2779	}
		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1772	})->prio (1);	2787	})->prio (1);
1773	}	2788	}
1774		2789
1775	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1776		2791
…		…
1778		2793
1779	sub parse_random_map_params {	2794	sub parse_random_map_params {
1780	my ($spec) = @_;	2795	my ($spec) = @_;
1781		2796
1782	my $rmp = { # defaults	2797	my $rmp = { # defaults
1783	xsize => 10,	2798	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2799	ysize => (cf::rndm 15, 40),
		2800	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2801	#layout => string,
1785	};	2802	};
1786		2803
1787	for (split /\n/, $spec) {	2804	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2805	my ($k, $v) = split /\s+/, $_, 2;
1789		2806
…		…
1801	# that depends on the exit object	2818	# that depends on the exit object
1802		2819
1803	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
1804		2821
1805	if ($exit->map) {	2822	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2823	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1810	}	2829	}
1811		2830
1812	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1813		2832
1814	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
		2835	my $meta = "$RANDOMDIR/$md5.meta";
1816		2836
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
		2839	undef $fh;
		2840	aio_rename "$meta~", $meta;
1819		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1822	}	2848	}
1823	}	2849	}
1824		2850
1825	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1829		2855
1830	$self->enter_link;	2856	$self->enter_link;
1831		2857
1832	(async {	2858	(async {
1833	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1834	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
1835	prepare_random_map $exit	2868	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2869	if $exit->slaying eq "/!";
		2870	}
1837		2871
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
1840		2875
		2876	$self->goto ($map, $x, $y);
		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1841	1;	2882	1
1842	}) {	2883	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2886	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2888
1848	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1849	$self->leave_link;	2890	$self->leave_link;
1850	}	2891	}
1851	})->prio (1);	2892	})->prio (1);
1852	}	2893	}
1853		2894
…		…
1864		2905
1865	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1867		2908
1868	utf8::encode $text;	2909	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2911	}
1871		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1872		3134
1873	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1874		3136
1875	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		3140
1879	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	3142	become reliable at some point in the future.
1881		3143
1882	=cut	3144	=cut
1883		3145
1884	sub cf::client::query {	3146	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	3155	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		3157
1896	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
1898	}	3162	}
1899		3163
1900	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
1901	on_reply => sub {	3170	on_reply => sub {
1902	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
1903		3172
1904	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
1905	# get handled first	3174	# get handled first
1906	my $queue = delete $ns->{query_queue}	3175	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3176	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3177
1909	(shift @$queue)->[1]->($msg);	3178	(shift @$queue)->[1]->($msg);
		3179	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3180
1911	push @{ $ns->{query_queue} }, @$queue;	3181	push @{ $ns->{query_queue} }, @$queue;
1912		3182
1913	if (@{ $ns->{query_queue} } == @$queue) {	3183	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3184	if (@$queue) {
…		…
1916	} else {	3186	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3188	}
1919	}	3189	}
1920	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
1921	);	3217	);
1922		3218
1923	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
1924		3220
1925	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
1941		3237
1942	$coro	3238	$coro
1943	}	3239	}
1944		3240
1945	cf::client->attach (	3241	cf::client->attach (
1946	on_destroy => sub {	3242	on_client_destroy => sub {
1947	my ($ns) = @_;	3243	my ($ns) = @_;
1948		3244
1949	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1950	},	3246	},
1951	);	3247	);
…		…
1966	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
1968		3264
1969	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
1970		3266
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
1972		3272
1973	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
1974		3274
1975	=pod	3275	=pod
1976		3276
1977	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
1978		3278
1979	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
1980	cf::object::player player	3284	cf::object::player
1981	cf::player peaceful	3285	player
1982	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
1983		3292
1984	=cut	3293	=cut
1985		3294
1986	for (	3295	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
1991	) {	3302	) {
1992	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1995	for @funs;	3305	for @funs;
1996	}	3306	}
1997		3307
…		…
2012		3322
2013	my $qcode = $code;	3323	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2016		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2017	local $_;	3330	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;
2019		3331
2020	my $eval =	3332	my $eval =
2021	"do {\n"	3333	"do {\n"
2022	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2023	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2024	. $code	3336	. $code
2025	. "\n}"	3337	. "\n}"
2026	;	3338	;
2027		3339
		3340	if ($CFG{safe_eval}) {
2028	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2029	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2030	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2031		3349
2032	if ($@) {	3350	if ($@) {
2033	warn "$@";	3351	warn "$@",
2034	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2035	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2036	}	3354	}
2037		3355
2038	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2039	}	3357	}
2040		3358
…		…
2054	=cut	3372	=cut
2055		3373
2056	sub register_script_function {	3374	sub register_script_function {
2057	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2058		3376
2059	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2060	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2061	}	3379	}
2062		3380
2063	=back	3381	=back
2064		3382
2065	=cut	3383	=cut
2066		3384
2067	#############################################################################	3385	#############################################################################
		3386	# the server's init and main functions
2068		3387
2069	=head2 EXTENSION DATABASE SUPPORT	3388	sub load_facedata($) {
		3389	my ($path) = @_;
2070		3390
2071	Crossfire maintains a very simple database for extension use. It can	3391	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3392	# for this (global event?)
2073	excludes objects.	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3394
2075	The parameter C<$family> should best start with the name of the extension	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3396
2078	=over 4	3397	trace "loading facedata from $path\n";
2079		3398
2080	=item $hashref = cf::db_get $family	3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
2081		3401
2082	Return a hashref for use by the extension C<$family>, which can be	3402	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3403
2086	=item $value = cf::db_get $family => $key	3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3406
2088	Returns a single value from the database	3407	# patch in the exptable
2089		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2090	=item cf::db_put $family => $hashref	3409	$facedata->{resource}{"res/exp_table"} = {
2091		3410	type => FT_RSRC,
2092	Stores the given family hashref into the database. Updates are delayed, if	3411	data => $exp_table,
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3412	hash => (Digest::MD5::md5 $exp_table),
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3413	};
		3414	cf::cede_to_tick;
2141		3415
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3416	{
		3417	my $faces = $facedata->{faceinfo};
2146		3418
2147	sub db_get($;$) {	3419	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3421
2153	sub db_put($$;$) {	3422	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2156	} else {	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3426
2162	cf::global->attach (	3427	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3428	}
2167	);
2168	}
2169		3429
2170	#############################################################################	3430	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3431	next unless $info->{smooth};
2172		3432
2173	sub cfg_load {	3433	my $idx = cf::face::find $face
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3434	or next;
2175	or return;
2176		3435
2177	local $/;	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2178	*CFG = YAML::Syck::Load <$fh>;	3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
2179		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2181		3574
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2184		3577
2185	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2189	};	3582	};
2190	warn $@ if $@;	3583	warn $@ if $@;
2191	}	3584	}
2192	}	3585	}
2193		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2194	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2195	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3628	(async {
		3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
		3631	})->prio (Coro::PRIO_MAX);
2199	};	3632	};
2200		3633
2201	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
		3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2203	load_extensions;	3657	load_extensions;
2204	Event::loop;	3658
		3659	utime time, time, $RUNTIMEFILE;
		3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2205	}	3677	}
2206		3678
2207	#############################################################################	3679	#############################################################################
2208	# initialisation and cleanup	3680	# initialisation and cleanup
2209		3681
2210	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2211	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2218	},
2219	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2220	}	3727	1
2221	}	3728	}
2222		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
		3778	}
		3779
2223	sub emergency_save {	3780	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2225		3782
2226	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2227		3789
2228	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2229	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3801	$pl->save;
2237	}	3802	}
2238	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2239		3804
2240	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3810	$map->valid or next;
2244	$map->save;	3811	$map->save;
2245	}	3812	}
2246	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2247	};	3843	};
2248		3844
2249	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2250	}	3846	}
2251		3847
		3848	sub post_cleanup {
		3849	my ($make_core) = @_;
		3850
		3851	IO::AIO::flush;
		3852
		3853	error Carp::longmess "post_cleanup backtrace"
		3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2252	sub reload() {	3885	sub do_reload_perl() {
2253	# can/must only be called in main	3886	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2255	warn "can only reload from main coroutine\n";	3888	error "can only reload from main coroutine";
2256	return;	3889	return;
2257	}	3890	}
2258		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2259	warn "reloading...";	3898	info "reloading...";
2260		3899
2261	my $guard = freeze_mainloop;	3900	trace "entering sync_job";
		3901
		3902	cf::sync_job {
2262	cf::emergency_save;	3903	#cf::emergency_save;
2263		3904
2264	eval {
2265	# if anything goes wrong in here, we should simply crash as we already saved
2266
2267	# cancel all watchers
2268	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}
2271
2272	# cancel all extension coros	3905	trace "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3907	%EXT_CORO = ();
2275		3908
2276	# unload all extensions	3909	trace "removing commands";
2277	for (@exts) {	3910	%COMMAND = ();
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281		3911
2282	# unload all modules loaded from $LIBDIR	3912	trace "removing ext/exti commands";
2283	while (my ($k, $v) = each %INC) {	3913	%EXTCMD = ();
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3914	%EXTICMD = ();
2285		3915
2286	warn "removing <$k>";	3916	trace "unloading/nuking all extensions";
2287	delete $INC{$k};	3917	for my $pkg (@EXTS) {
		3918	trace "... unloading $pkg";
2288		3919
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $pkg->can ("unload")) {
		3921	eval {
2293	$cb->();	3922	$cb->($pkg);
		3923	1
		3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2294	}	3929	}
2295		3930
2296	Symbol::delete_package $k;	3931	trace "unloading all perl modules loaded from $LIBDIR";
		3932	while (my ($k, $v) = each %INC) {
		3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3934
		3935	trace "... unloading $k";
		3936	delete $INC{$k};
		3937
		3938	$k =~ s/\.pm$//;
		3939	$k =~ s/\//::/g;
		3940
		3941	if (my $cb = $k->can ("unload_module")) {
		3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2297	}	3946	}
2298		3947
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3948	trace "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3951
2307	# remove register_script_function callbacks	3952	trace "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		3955
2313	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3957	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2316		3959
2317	# reload cf.pm	3960	info "unload completed, starting to reload now";
		3961
2318	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2319	require cf;	3963	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2321		3965
2322	# load config and database again	3966	trace "loading config and database again";
2323	cf::cfg_load;	3967	cf::reload_config;
2324	cf::db_load;
2325		3968
2326	# load extensions
2327	warn "load extensions";	3969	trace "loading extensions";
2328	cf::load_extensions;	3970	cf::load_extensions;
2329		3971
2330	# reattach attachments to objects	3972	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3973	trace "reattaching attachments to objects/players";
2332	_global_reattach;	3974	_global_reattach; # objects, sockets
		3975	trace "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
		3984	trace "leaving sync_job";
		3985
		3986	1
		3987	} or do {
		3988	error $@;
		3989	cf::cleanup "error while reloading, exiting.";
		3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2334	};	4013	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	4014	}
2387
2388	register "<global>", __PACKAGE__;
2389		4015
2390	register_command "reload" => sub {	4016	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2392		4018
2393	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
		4023	reload_perl;
		4024	};
2397	}	4025	}
2398	};	4026	};
2399		4027
2400	unshift @INC, $LIBDIR;	4028	#############################################################################
2401		4029
2402	$TICK_WATCHER = Event->timer (	4030	my $bug_warning = 0;
2403	reentrant => 0,	4031
2404	prio => 0,	4032	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	4033	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	4034
2407	cb => sub {	4035	sub wait_for_tick() {
		4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4037
		4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
		4052	if ($Coro::current != $Coro::main) {
		4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4054	unless ++$bug_warning > 10;
		4055	return;
		4056	}
		4057
2408	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		4059
2412	$WAIT_FOR_TICK->broadcast;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2414		4061
2415	# if we are delayed by four ticks or more, skip them all	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2417		4064	Coro::async_pool {
2418	$TICK_WATCHER->at ($NEXT_TICK);	4065	$Coro::current->{desc} = "runtime saver";
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	4066	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2441	})->();	4068	};
2442	},	4069	}
2443	);	4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
		4089
		4090	{
		4091	# configure BDB
		4092
		4093	BDB::min_parallel 16;
		4094	BDB::max_poll_reqs $TICK * 0.1;
		4095	$AnyEvent::BDB::WATCHER->priority (1);
		4096
		4097	unless ($DB_ENV) {
		4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4104
		4105	cf::sync_job {
		4106	eval {
		4107	BDB::db_env_open
		4108	$DB_ENV,
		4109	$BDBDIR,
		4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4112	0666;
		4113
		4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4115	};
		4116
		4117	cf::cleanup "db_env_open(db): $@" if $@;
		4118	};
		4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
		4130	}
		4131
		4132	{
		4133	# configure IO::AIO
		4134
		4135	IO::AIO::min_parallel 8;
		4136	IO::AIO::max_poll_time $TICK * 0.1;
		4137	undef $AnyEvent::AIO::WATCHER;
		4138	}
		4139
		4140	my $_log_backtrace;
		4141
		4142	sub _log_backtrace {
		4143	my ($msg, @addr) = @_;
		4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
		4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2444		4185
2445	END { cf::emergency_save }	4186	END { cf::emergency_save }
2446		4187
2447	1	4188	1
2448		4189

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