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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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 = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	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
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	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);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		140
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $REALLY_UNLOOP; # never set to true, please :)
64		153
65	binmode STDOUT;	154	binmode STDOUT;
66	binmode STDERR;	155	binmode STDERR;
67		156
68	# read virtual server time, if available	157	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
73	}	162	}
74		163
75	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		165
81	# a special map that is always available	166	mkdir $_
82	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
83	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::"} };
84		187
85	#############################################################################	188	#############################################################################
86		189
87	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
88		191
…		…
95	=item $cf::RUNTIME	198	=item $cf::RUNTIME
96		199
97	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
98	every server tick.	201	every server tick.
99		202
100	=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
101		206
102	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		211
105	=item $cf::NOW	212	=item $cf::NOW
106		213
107	The time of the last (current) server tick.	214	The time of the last (current) server tick.
108		215
109	=item $cf::TICK	216	=item $cf::TICK
110		217
111	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	230	=item %cf::CFG
114		231
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	233	from wherever your confdir points to.
117		234
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		236
120	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
121	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
122	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.
123	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.
124		257
125	=back	258	=back
126		259
127	=cut	260	=cut
128		261
129	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
130	*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 {
131	my $msg = join "", @_;	269	my $msg = join "", @_;
132	utf8::encode $msg;
133		270
134	$msg .= "\n"	271	$msg .= "\n"
135	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
136		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
137	LOG llevError, $msg;	276	LOG llevWarn, $msg;
138	};	277	};
139	}	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	};
140		292
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		300
148	# 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
149	# within the Safe compartment.	302	# within the Safe compartment.
150	for my $pkg (qw(	303	for my $pkg (qw(
151	cf::global cf::attachable	304	cf::global cf::attachable
152	cf::object cf::object::player	305	cf::object cf::object::player
153	cf::client cf::player	306	cf::client cf::player
154	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
155	cf::map cf::party cf::region	309	cf::party cf::region
156	)) {	310	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	312	}
160		313
161	$Event::DIED = sub {	314	$EV::DIED = sub {
162	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
163	};	316	};
		317
		318	#############################################################################
164		319
165	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
166		321
167	=over 4	322	=over 4
168		323
…		…
187	$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;
188	$d	343	$d
189	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
190	}	345	}
191		346
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
195		348
196	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
197		350
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
206		352
207	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
208		354
209	=cut	355	=cut
210		356
211	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
213	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;
214	}	386	}
215		387
216	=item cf::lock_wait $string	388	=item cf::lock_wait $string
217		389
218	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
219		391
220	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
221		393
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
225	returned.	397	returned.
226		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
227	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
228	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
229		404
230	=cut	405	=item $locked = cf::lock_active $string
231		406
232	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
233		412
234	sub lock_wait($) {	413	sub lock_wait($) {
235	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	415	}
243		416
244	sub lock_acquire($) {	417	sub lock_acquire($) {
245	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
246		420
247	# wait, to be sure we are not locked	421	sub lock_active($) {
248	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	423	}
257		424
258	sub freeze_mainloop {	425	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
260		427
261	my $guard = Coro::guard { $TICK_WATCHER->start };	428	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	429	}
263	$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	$sig->wait;
264	}	511	}
265		512
266	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
267		514
268	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		520
274	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
275		522
276	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
277		524
278	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
281		529
282	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
285	fast or be very important.	533	fast or be very important.
…		…
287	=cut	535	=cut
288		536
289	sub sync_job(&) {	537	sub sync_job(&) {
290	my ($job) = @_;	538	my ($job) = @_;
291		539
292	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
293	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
295		545
296	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	547
298	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
299		549
300	my $busy = 1;	550	my $busy = 1;
301	my @res;	551	my @res;
302		552
303	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	555	@res = eval { $job->() };
305	warn $@ if $@;	556	error $@ if $@;
306	undef $busy;	557	undef $busy;
307	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
308		559
309	while ($busy) {	560	while ($busy) {
310	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
311	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
312		571
313	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
314	} else {	573	} else {
315	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
316		575
…		…
336	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
337		596
338	$coro	597	$coro
339	}	598	}
340		599
341	sub write_runtime {	600	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		601
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
345	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.
346		606
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	607	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		608
351	aio_fsync $fh	609	sub post_fork {
352	and return;	610	reset_signals;
		611	}
353		612
354	close $fh	613	sub fork_call(&@) {
355	or return;	614	my ($cb, @args) = @_;
356		615
357	aio_rename "$runtime~", $runtime	616	# we seemingly have to make a local copy of the whole thing,
358	and return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
359		619
		620	my @res = Coro::Util::fork_eval {
		621	cf::post_fork;
		622	&$cb
		623	} @args;
		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
360	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 });
361	}	804	}
362		805
363	=back	806	=back
364		807
365	=cut	808	=cut
366		809
367	#############################################################################	810	#############################################################################
368		811
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
546		813
547	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
548	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")
549	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
550		817
551	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>
552	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
553	crossfire+).	820	Deliantra).
554		821
555	=over 4	822	=over 4
556		823
557	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
558		825
…		…
602	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
603		870
604	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
606		873
607	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
608	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.
609		876
610	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
611		878
612	=over 4	879	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	939	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	940	our @CB_MAP = ();
674		941
675	my %attachment;	942	my %attachment;
676		943
		944	sub cf::attachable::thawer_merge {
		945	# simply override everything except _meta
		946	local $_[0]{_meta};
		947	%{$_[0]} = %{$_[1]};
		948	}
		949
677	sub _attach_cb($$$$) {	950	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	951	my ($registry, $event, $prio, $cb) = @_;
679		952
680	use sort 'stable';	953	use sort 'stable';
681		954
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
716		989
717	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		994
722	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	996	my $pkg = shift @arg;
724		997
725	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
730		1003
731	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
732	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
733		1006
734	} elsif (ref $type) {	1007	} elsif (ref $type) {
735	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
736		1009
737	} else {	1010	} else {
738	shift @arg;	1011	shift @arg;
739	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
740	}	1013	}
741	}	1014	}
742	}	1015	}
743		1016
744	sub _object_attach {	1017	sub _object_attach {
…		…
754	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
755	}	1028	}
756		1029
757	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
758	} else {	1031	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
760	}	1033	}
761		1034
762	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
763	}	1036	}
764		1037
…		…
766	if (ref $_[0]) {	1039	if (ref $_[0]) {
767	_object_attach @_;	1040	_object_attach @_;
768	} else {	1041	} else {
769	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
770	}	1043	}
		1044	_recalc_want;
771	};	1045	};
772		1046
773	# all those should be optimised	1047	# all those should be optimised
774	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1053	reattach ($obj);
780	} else {	1054	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
782	}	1056	}
		1057	_recalc_want;
783	};	1058	};
784		1059
785	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
787		1062
…		…
802	";	1077	";
803	die if $@;	1078	die if $@;
804	}	1079	}
805		1080
806	our $override;	1081	our $override;
807	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?
808		1083
809	sub override {	1084	sub override {
810	$override = 1;	1085	$override = 1;
811	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
812	}	1087	}
813		1088
814	sub do_invoke {	1089	sub do_invoke {
815	my $event = shift;	1090	my $event = shift;
816	my $callbacks = shift;	1091	my $callbacks = shift;
817		1092
818	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
819		1094
820	local $override;	1095	local $override;
821		1096
822	for (@$callbacks) {	1097	for (@$callbacks) {
823	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
824		1099
825	if ($@) {	1100	if ($@) {
826	warn "$@";
827	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
828	override;	1102	override;
829	}	1103	}
830		1104
831	return 1 if $override;	1105	return 1 if $override;
832	}	1106	}
833		1107
834	0	1108	0
835	}	1109	}
836		1110
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1112
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1114
841	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
842		1116
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1120
847	=back	1121	=back
848		1122
849	=cut	1123	=cut
850		1124
851	#############################################################################	1125	#############################################################################
852	# 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	}
853		1169
854	sub reattach {	1170	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
856	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
857		1176
858	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
859		1178
860	@$registry = ();	1179	@$registry = ();
861		1180
…		…
866	for (@$attach) {	1185	for (@$attach) {
867	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
868	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
869	}	1188	}
870	} else {	1189	} else {
871	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
872	}	1191	}
873	}	1192	}
874	}	1193	}
875		1194
876	cf::attachable->attach (	1195	cf::attachable->attach (
877	prio => -1000000,	1196	prio => -1000000,
878	on_instantiate => sub {	1197	on_instantiate => sub {
879	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
880		1199
881	$data = from_json $data;	1200	$data = decode_json $data;
882		1201
883	for (@$data) {	1202	for (@$data) {
884	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
885		1204
886	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1221	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
904		1223
905	sync_job {	1224	sync_job {
906	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
909		1230
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1236	aio_fsync $fh;
		1237	}
914	close $fh;	1238	aio_close $fh;
915		1239
916	if (@$objs) {	1240	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1247	aio_fsync $fh;
		1248	}
922	close $fh;	1249	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
924	}	1251	}
925	} else {	1252	} else {
926	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
927	}	1254	}
928		1255
929	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1260	} else {
931	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
932	}	1262	}
933	} else {	1263	} else {
934	aio_unlink $filename;	1264	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
936	}	1266	}
937	}	1267	};
938	}	1268	}
939		1269
940	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
942		1272
…		…
954	or return;	1284	or return;
955		1285
956	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
958	or return;	1288	or return;
		1289
959	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
960	}	1292	}
961		1293
		1294	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
964	return ($data, $av);	1299	($data, $av)
965	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
966		1307
967	#############################################################################	1308	#############################################################################
968	# command handling &c	1309	# command handling &c
969		1310
970	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1325	}
985		1326
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1328
988	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.
989		1334
990	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
991	called.	1336	called.
992		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
993	=cut	1349	=cut
994		1350
995	sub register_extcmd {	1351	sub register_extcmd {
996	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
997		1353
998	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
999	}	1355	}
1000		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
1001	cf::player->attach (	1365	cf::player->attach (
1002	on_command => sub {	1366	on_unknown_command => sub {
1003	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1004		1368
1005	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1006	or return;	1370	or return;
1007		1371
…		…
1012	cf::override;	1376	cf::override;
1013	},	1377	},
1014	on_extcmd => sub {	1378	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
1016		1380
1017	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1382
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
1025	} else {	1398	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1400	}
1028		1401
1029	cf::override;	1402	cf::override;
1030	},	1403	},
1031	);	1404	);
1032		1405
		1406	# "readahead" all extensions
1033	sub load_extension {	1407	sub cache_extensions {
1034	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
1035		1409
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1413	}
1040	$pkg = "ext::$pkg";	1414	};
1041		1415
1042	warn "... loading '$path' into '$pkg'\n";	1416	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1417	}
1059		1418
1060	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
1061	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1426	next unless -r $path;
1063	eval {	1427
1064	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	}
1065	1	1491	}
1066	} 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	}
1067	}	1502	};
1068	}	1503	}
1069		1504
1070	#############################################################################	1505	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1506
1073	*cf::mapsupport::on_clean = sub {	1507	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1508
1086	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1087		1510
1088	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1089		1512
1090	=cut	1513	=cut
1091		1514
1092	package cf::player;	1515	package cf::player;
1093		1516
…		…
1095		1518
1096	=head3 cf::player	1519	=head3 cf::player
1097		1520
1098	=over 4	1521	=over 4
1099		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
1100	=item cf::player::find $login	1537	=item cf::player::find $login
1101		1538
1102	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1103		1540
1104	=cut	1541	=cut
1105		1542
1106	sub playerdir($) {	1543	sub playerdir($) {
1107	cf::localdir	1544	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1546	}
1113		1547
1114	sub path($) {	1548	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1550
1117	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
1118	}	1552	}
1119		1553
1120	sub find_active($) {	1554	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
1125		1559
1126	sub exists($) {	1560	sub exists($) {
1127	my ($login) = @_;	1561	my ($login) = @_;
1128		1562
1129	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1564	or !aio_stat path $login
1131	}	1565	}
1132		1566
1133	sub find($) {	1567	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1569	my $login = $_[0];
1136		1570
1137	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
1138		1572
1139	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1143	}	1590	}
1144	}	1591	}
1145	}	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	);
1146		1606
1147	sub save($) {	1607	sub save($) {
1148	my ($pl) = @_;	1608	my ($pl) = @_;
1149		1609
1150	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1155	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1156		1616
1157	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1159		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
1160	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1161	Coro::cede;	1626	cf::cede_to_tick;
1162	}	1627	}
1163		1628
1164	sub new($) {	1629	sub new($) {
1165	my ($login) = @_;	1630	my ($login) = @_;
1166		1631
…		…
1172	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1173		1638
1174	$self	1639	$self
1175	}	1640	}
1176		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
1177	=item $pl->quit_character	1652	=item $pl->quit_character
1178		1653
1179	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
1180	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1181		1656
1182	=cut	1657	=cut
1183		1658
1184	sub quit_character {	1659	sub quit_character {
1185	my ($pl) = @_;	1660	my ($pl) = @_;
1186		1661
		1662	my $name = $pl->ob->name;
		1663
1187	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1188	$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
1189		1666
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1191	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1193	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1194		1675
1195	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1702	}
1202		1703
1203	=item cf::player::list_logins	1704	=item cf::player::list_logins
1204		1705
1205	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
1206	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1207		1708
1208	=cut	1709	=cut
1209		1710
1210	sub list_logins {	1711	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1713	or return [];
1213		1714
1214	my @logins;	1715	my @logins;
1215		1716
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1220		1727
1221	utf8::decode $login;	1728	utf8::decode $login;
1222	push @logins, $login;	1729	push @logins, $login;
1223	}	1730	}
1224		1731
1225	\@logins	1732	\@logins
1226	}	1733	}
1227		1734
1228	=item $player->maps	1735	=item $player->maps
1229		1736
		1737	=item cf::player::maps $login
		1738
1230	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
1231	player. May block.	1740	player. May block.
1232		1741
1233	=cut	1742	=cut
1234		1743
1235	sub maps($) {	1744	sub maps($) {
1236	my ($pl) = @_;	1745	my ($pl) = @_;
		1746
		1747	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1748
1238	my $files = aio_readdir playerdir $pl	1749	my $files = aio_readdir playerdir $pl
1239	or return;	1750	or return;
1240		1751
1241	my @paths;	1752	my @paths;
…		…
1243	for (@$files) {	1754	for (@$files) {
1244	utf8::decode $_;	1755	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1756	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1757	next unless /^$PATH_SEP/o;
1247		1758
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1759	push @paths, cf::map::normalise "~$pl/$_";
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},
…		…
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}), $rmp->{custom}	1861	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1862	)
1305	}	1863	}
1306		1864
1307	# and all this just because we cannot iterate over	1865	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1866
1312	$_->change_map_light ($change)	1867	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1868	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1869	default).
1315		1870
1316	sub load_map_header($) {	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 {
1317	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) = @_;
1318		2009
1319	utf8::encode $path;	2010	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1321	or return;	2012	or return;
1322		2013
1323	my $map = cf::map::new	2014	$self->_load_header ($f)
1324	or return;	2015	or return;
1325		2016
1326	# for better error messages only, will be overwritten later	2017	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	2018	$f->resolve_delayed_derefs;
1328		2019
1329	$map->load_header ($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
1330	or return;	2063	or return;
		2064	$self->prepare_orig;
		2065	}
1331		2066
1332	$map->{load_path} = $path;	2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
1333		2069
1334	$map	2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
		2073	1
1335	}	2074	}
1336		2075
1337	sub find;	2076	sub find;
1338	sub find {	2077	sub find {
1339	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1340		2079
1341	#warn "find<$path,$origin>\n";#d#	2080	cf::cede_to_tick;
1342		2081
1343	$path = new cf::path $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		2083
1346	cf::lock_wait "map_find:$key";	2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1350		2086
1351	# do it the slow way	2087	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2088	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2089	or return;
1365		2090
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1378		2092
1379	Coro::cede;	2093	$map->load_header
		2094	or return;
1380		2095
1381	if ($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;
1382	$map->reset;	2101	$map->reset;
1383	undef $guard;
1384	$map = find $path	2102	return find $path;
1385	or return;
1386	}	2103	}
1387		2104
1388	$cf::MAP{$key} = $map	2105	$cf::MAP{$path} = $map
1389	}	2106	}
1390	}	2107	}
		2108
		2109	sub pre_load { }
		2110	#sub post_load { } # XS
1391		2111
1392	sub load {	2112	sub load {
1393	my ($self) = @_;	2113	my ($self) = @_;
1394		2114
		2115	local $self->{deny_reset} = 1; # loading can take a long time
		2116
1395	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2120	my $guard = cf::lock_acquire "map_data:$path";
1397		2121
		2122	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2124
1400	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1401		2126
1402	$self->alloc;	2127	$self->alloc;
1403	$self->load_objects ($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)
1404	or return;	2135	or return;
1405		2136
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1407	if delete $self->{load_original};	2138	if delete $self->{load_original};
1408		2139
1409	if (my $uniq = $path->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2141	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2144	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1414	}	2148	}
1415	}	2149	}
1416		2150
1417	Coro::cede;	2151	$f->resolve_delayed_derefs;
1418		2152
		2153	cf::cede_to_tick;
1419	# now do the right thing for maps	2154	# now do the right thing for maps
1420	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	2165	$self->activate;
1433	}	2166	}
1434		2167
1435	Coro::cede;	2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
1436		2170
1437	$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	$self
1438	}	2190	}
1439		2191
1440	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2193	sub load_neighbours {
1442	my ($map) = @_;	2194	my ($map) = @_;
1443		2195
1444	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1445		2197
1446	for (0 .. 3) {	2198	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1448	or next;	2200	or next;
1449	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1450	or next;	2202	or next;
1451	$neigh->load;	2203	$neigh->load;
1452		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2209	}
1456		2210
1457	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1459	or next;	2214	or next;
1460	$neigh->load;	2215	$neigh->load;
1461	}	2216	}
1462	}	2217	}
1463		2218
1464	sub find_sync {	2219	sub find_sync {
1465	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1466		2221
1467	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1468	}	2226	}
1469		2227
1470	sub do_load_sync {	2228	sub do_load_sync {
1471	my ($map) = @_;	2229	my ($map) = @_;
1472		2230
1473	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;
1474	}	2235	}
1475		2236
1476	our %MAP_PREFETCH;	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
1477	our $MAP_PREFETCHER = Coro::async {	2251	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2252	$Coro::current->{desc} = "map prefetcher";
		2253
1479	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2256	if (my $map = find $k) {
		2257	$map->load if $v;
		2258	}
		2259
1482	my $path = delete $MAP_PREFETCH{$key};	2260	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2261	}
1488	Coro::schedule;	2262	}
		2263	undef $MAP_PREFETCHER;
1489	}	2264	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2265	$MAP_PREFETCHER->prio (6);
1504		2266
1505	()	2267	()
		2268	}
		2269
		2270	# common code, used by both ->save and ->swapout
		2271	sub _save {
		2272	my ($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	}
1506	}	2300	}
1507		2301
1508	sub save {	2302	sub save {
1509	my ($self) = @_;	2303	my ($self) = @_;
1510		2304
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2306
1513	$self->{last_save} = $cf::RUNTIME;	2307	$self->_save;
1514
1515	return unless $self->dirty;
1516
1517	my $save = $self->{path}->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1519
1520	$self->{load_path} = $save;
1521
1522	return if $self->{deny_save};
1523
1524	local $self->{last_access} = $self->last_access;#d#
1525
1526	cf::async {
1527	$_->contr->save for $self->players;
1528	};
1529
1530	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}
1536	}	2308	}
1537		2309
1538	sub swap_out {	2310	sub swap_out {
1539	my ($self) = @_;	2311	my ($self) = @_;
1540		2312
1541	# save first because save cedes
1542	$self->save;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1546	return if $self->players;	2317	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};
1549		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
1550	$self->clear;	2328	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2329	}
1553		2330
1554	sub reset_at {	2331	sub reset_at {
1555	my ($self) = @_;	2332	my ($self) = @_;
1556		2333
1557	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1560		2336
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2339
…		…
1568	my ($self) = @_;	2344	my ($self) = @_;
1569		2345
1570	$self->reset_at <= $cf::RUNTIME	2346	$self->reset_at <= $cf::RUNTIME
1571	}	2347	}
1572		2348
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2349	sub reset {
1587	my ($self) = @_;	2350	my ($self) = @_;
1588		2351
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2353
1591	return if $self->players;	2354	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2355
1594	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	}
1595		2367
1596	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1597		2369
		2370	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2371	$_->clear_links_to ($self) for values %cf::MAP;
		2372	$self->clear;
1599		2373
1600	$self->{path}->unlink_save;	2374	$self->unlink_save;
1601	$self->destroy;	2375	$self->destroy;
1602	}	2376	}
1603		2377
1604	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1605		2379
1606	sub nuke {	2380	sub nuke {
1607	my ($self) = @_;	2381	my ($self) = @_;
1608		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};
1609	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2395
		2396	$cf::MAP{$self->path} = $self;
		2397	}
		2398
1612	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1613	}	2400	}
1614		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		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
1615	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1616		2439
1617	Returns an arrayref of cf::path's of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2441	instantiated unique items. May block.
1619		2442
1620	=cut	2443	=cut
1621		2444
1622	sub unique_maps() {	2445	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1624	or return;	2447	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2448	utf8::decode $_;
1630	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2451	? ()
1633	push @paths, new cf::path $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2454	]
1635
1636	\@paths
1637	}	2455	}
1638		2456
1639	package cf;	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
		2486	\@maps
		2487	}
1640		2488
1641	=back	2489	=back
1642		2490
1643	=head3 cf::object	2491	=head3 cf::object
1644		2492
…		…
1648		2496
1649	=over 4	2497	=over 4
1650		2498
1651	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1652		2500
1653	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.
1654		2503
1655	=cut	2504	=cut
1656		2505
1657	sub inv_recursive_;	2506	sub inv_recursive_;
1658	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1661		2510
1662	sub inv_recursive {	2511	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1664	}	2513	}
1665		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
1666	package cf;	2543	package cf;
1667		2544
1668	=back	2545	=back
1669		2546
1670	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1676	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>
1677	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
1678	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1679		2556
1680	=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	};
1681		2572
1682	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2574	# with dialog boxes.
1684	#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
1685	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1687		2578
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2580
1690	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1692	} 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 {
1693	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1695	}	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 (@_);
1696	}	2606	}
1697		2607
1698	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1699		2609
1700	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1713		2623
1714	=item $player_object->enter_link	2624	=item $player_object->enter_link
1715		2625
1716	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}>).
1717		2627
1718	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.
1719	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.
1720		2634
1721	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1722		2636
1723	Moves the player out of the specila link map onto the given map. If the	2637	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2638	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2639	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2640	fails, to the emergency map position.
1727		2641
1728	Might block.	2642	Might block.
1729		2643
1730	=cut	2644	=cut
		2645
		2646	sub link_map {
		2647	unless ($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	$LINK_MAP
		2654	}
1731		2655
1732	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2657	my ($self) = @_;
1734		2658
1735	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1736		2660
1737	return if $self->map == $LINK_MAP;	2661	++$self->{_link_recursion};
		2662
		2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2664
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1741		2667
1742	$self->enter_map ($LINK_MAP, 20, 20);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1743	}	2669	}
1744		2670
1745	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1747		2675
1748	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1749		2677
1750	unless ($map) {	2678	unless ($map) {
1751	# restore original map position	2679	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1764		2692
1765	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1768		2696
1769	$map->load;	2697	$map->load;
1770	$map->load_diag;	2698	$map->load_neighbours;
1771		2699
1772	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
1773	$self->activate_recursive;	2707	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}
1776
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},	2708	}
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2709
1791	# try to abort aborted map switching on player login :)	2710	}
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2711
1809	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1810		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
1811	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1812		2726
1813	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2729
1816	$path = new cf::path $path;	2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		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;
1817		2738
1818	$self->enter_link;	2739	$self->enter_link;
1819		2740
1820	(async {	2741	(async {
1821	my $map = cf::map::find $path->as_string;	2742	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2743
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	# *tag paths override both path and x|y
		2745	if ($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
1825	# if $map;	2766	if ($map) {
1826		2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
1827	$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	}
1828		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};
1829	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1830	})->prio (1);	2787	})->prio (1);
1831	}	2788	}
1832		2789
1833	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1834		2791
…		…
1836		2793
1837	sub parse_random_map_params {	2794	sub parse_random_map_params {
1838	my ($spec) = @_;	2795	my ($spec) = @_;
1839		2796
1840	my $rmp = { # defaults	2797	my $rmp = { # defaults
1841	xsize => 10,	2798	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2799	ysize => (cf::rndm 15, 40),
		2800	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2801	#layout => string,
1843	};	2802	};
1844		2803
1845	for (split /\n/, $spec) {	2804	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2805	my ($k, $v) = split /\s+/, $_, 2;
1847		2806
…		…
1859	# that depends on the exit object	2818	# that depends on the exit object
1860		2819
1861	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
1862		2821
1863	if ($exit->map) {	2822	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2823	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1868	}	2829	}
1869		2830
1870	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1871		2832
1872	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
		2835	my $meta = "$RANDOMDIR/$md5.meta";
1874		2836
1875	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) {
1876	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;
1877		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1880	}	2848	}
1881	}	2849	}
1882		2850
1883	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1887		2855
1888	$self->enter_link;	2856	$self->enter_link;
1889		2857
1890	(async {	2858	(async {
1891	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1892	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
1893	prepare_random_map $exit	2868	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2869	if $exit->slaying eq "/!";
		2870	}
1895		2871
1896	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;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
1898		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
1899	1;	2882	1
1900	}) {	2883	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2888
1906	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1907	$self->leave_link;	2890	$self->leave_link;
1908	}	2891	}
1909	})->prio (1);	2892	})->prio (1);
1910	}	2893	}
1911		2894
…		…
1922		2905
1923	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1925		2908
1926	utf8::encode $text;	2909	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2911	}
1929		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	}
1930		3134
1931	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1932		3136
1933	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1934	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>,
1935	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>.
1936		3140
1937	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
1938	reliable at some point in the future.	3142	become reliable at some point in the future.
1939		3143
1940	=cut	3144	=cut
1941		3145
1942	sub cf::client::query {	3146	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3155	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3157
1954	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
1956	}	3162	}
1957		3163
1958	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
1959	on_reply => sub {	3170	on_reply => sub {
1960	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
1961		3172
1962	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
1963	# get handled first	3174	# get handled first
1964	my $queue = delete $ns->{query_queue}	3175	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3176	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3177
1967	(shift @$queue)->[1]->($msg);	3178	(shift @$queue)->[1]->($msg);
		3179	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3180
1969	push @{ $ns->{query_queue} }, @$queue;	3181	push @{ $ns->{query_queue} }, @$queue;
1970		3182
1971	if (@{ $ns->{query_queue} } == @$queue) {	3183	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3184	if (@$queue) {
…		…
1974	} else {	3186	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3188	}
1977	}	3189	}
1978	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($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	},
1979	);	3217	);
1980		3218
1981	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
1982		3220
1983	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
1999		3237
2000	$coro	3238	$coro
2001	}	3239	}
2002		3240
2003	cf::client->attach (	3241	cf::client->attach (
2004	on_destroy => sub {	3242	on_client_destroy => sub {
2005	my ($ns) = @_;	3243	my ($ns) = @_;
2006		3244
2007	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008	},	3246	},
2009	);	3247	);
…		…
2024	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2026		3264
2027	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2028		3266
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2030		3272
2031	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2032		3274
2033	=pod	3275	=pod
2034		3276
2035	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2036		3278
2037	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2038	cf::object::player player	3284	cf::object::player
2039	cf::player peaceful	3285	player
2040	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2041		3292
2042	=cut	3293	=cut
2043		3294
2044	for (	3295	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2049	) {	3302	) {
2050	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2053	for @funs;	3305	for @funs;
2054	}	3306	}
2055		3307
…		…
2070		3322
2071	my $qcode = $code;	3323	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2074		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2075	local $_;	3330	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3331
2078	my $eval =	3332	my $eval =
2079	"do {\n"	3333	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3336	. $code
2083	. "\n}"	3337	. "\n}"
2084	;	3338	;
2085		3339
		3340	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2089		3349
2090	if ($@) {	3350	if ($@) {
2091	warn "$@";	3351	warn "$@",
2092	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2093	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2094	}	3354	}
2095		3355
2096	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2097	}	3357	}
2098		3358
…		…
2112	=cut	3372	=cut
2113		3373
2114	sub register_script_function {	3374	sub register_script_function {
2115	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2116		3376
2117	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2119	}	3379	}
2120		3380
2121	=back	3381	=back
2122		3382
2123	=cut	3383	=cut
2124		3384
2125	#############################################################################	3385	#############################################################################
		3386	# the server's init and main functions
2126		3387
2127	=head2 EXTENSION DATABASE SUPPORT	3388	sub load_facedata($) {
		3389	my ($path) = @_;
2128		3390
2129	Crossfire maintains a very simple database for extension use. It can	3391	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3392	# for this (global event?)
2131	excludes objects.	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3394
2133	The parameter C<$family> should best start with the name of the extension	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3396
2136	=over 4	3397	trace "loading facedata from $path\n";
2137		3398
2138	=item $hashref = cf::db_get $family	3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
2139		3401
2140	Return a hashref for use by the extension C<$family>, which can be	3402	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3403
2144	=item $value = cf::db_get $family => $key	3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3406
2146	Returns a single value from the database	3407	# patch in the exptable
2147		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148	=item cf::db_put $family => $hashref	3409	$facedata->{resource}{"res/exp_table"} = {
2149		3410	type => FT_RSRC,
2150	Stores the given family hashref into the database. Updates are delayed, if	3411	data => $exp_table,
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3412	hash => (Digest::MD5::md5 $exp_table),
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3413	};
		3414	cf::cede_to_tick;
2199		3415
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3416	{
		3417	my $faces = $facedata->{faceinfo};
2204		3418
2205	sub db_get($;$) {	3419	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3421
2211	sub db_put($$;$) {	3422	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3426
2220	cf::global->attach (	3427	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3428	}
2225	);
2226	}
2227		3429
2228	#############################################################################	3430	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3431	next unless $info->{smooth};
2230		3432
2231	sub cfg_load {	3433	my $idx = cf::face::find $face
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3434	or next;
2233	or return;
2234		3435
2235	local $/;	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2236	*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	}
2237		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
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2239		3574
2240	$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};
2241	$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};
2242		3577
2243	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2247	};	3582	};
2248	warn $@ if $@;	3583	warn $@ if $@;
2249	}	3584	}
2250	}	3585	}
2251		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
2252	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
2253	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2255	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#
2256	async { Event::one_event };	3628	(async {
		3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
		3631	})->prio (Coro::PRIO_MAX);
2257	};	3632	};
2258		3633
2259	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2260	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
2261	load_extensions;	3657	load_extensions;
2262	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;
2263	}	3677	}
2264		3678
2265	#############################################################################	3679	#############################################################################
2266	# initialisation and cleanup	3680	# initialisation and cleanup
2267		3681
2268	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2269	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2276	},
2277	);	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
2278	}	3727	1
		3728	}
		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 };
2279	}	3778	}
2280		3779
2281	sub emergency_save() {	3780	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2283		3782
2284	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;
2285		3789
2286	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2287	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3801	$pl->save;
2295	}	3802	}
2296	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2297		3804
2298	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";
2299	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3810	$map->valid or next;
2302	$map->save;	3811	$map->save;
2303	}	3812	}
2304	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
2305	};	3843	};
2306		3844
2307	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2308	}	3846	}
2309		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
2310	sub reload() {	3885	sub do_reload_perl() {
2311	# can/must only be called in main	3886	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2313	warn "can only reload from main coroutine\n";	3888	error "can only reload from main coroutine";
2314	return;	3889	return;
2315	}	3890	}
2316		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2317	warn "reloading...";	3898	info "reloading...";
2318		3899
2319	warn "freezing server";	3900	trace "entering sync_job";
2320	my $guard = freeze_mainloop;	3901
		3902	cf::sync_job {
2321	cf::emergency_save;	3903	#cf::emergency_save;
2322		3904
2323	warn "sync database to disk";
2324	cf::db_sync;
2325	IO::AIO::flush;
2326
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved
2329
2330	warn "cancel all watchers";
2331	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}
2334
2335	warn "cancel all extension coros";	3905	trace "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3907	%EXT_CORO = ();
2338		3908
2339	warn "remove commands";	3909	trace "removing commands";
2340	%COMMAND = ();	3910	%COMMAND = ();
2341		3911
2342	warn "remove ext commands";	3912	trace "removing ext/exti commands";
2343	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2344		3915
2345	warn "unload/nuke all extensions";	3916	trace "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2348		3919
2349	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3921	eval {
2351	$cb->($pkg);	3922	$cb->($pkg);
2352	1	3923	1
2353	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2354	}	3929	}
2355		3930
2356	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359
2360	warn "unload all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3934
2364	warn "removing <$k>";	3935	trace "... unloading $k";
2365	delete $INC{$k};	3936	delete $INC{$k};
2366		3937
2367	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2369		3940
2370	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2371	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2372	}	3946	}
2373		3947
2374	Symbol::delete_package $k;
2375	}
2376
2377	warn "get rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2379	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);
2380		3951
2381	warn "unload cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3955
2384	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3957	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2387		3959
		3960	info "unload completed, starting to reload now";
		3961
2388	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2389	require cf;	3963	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2391		3965
2392	warn "load config and database again";	3966	trace "loading config and database again";
2393	cf::cfg_load;	3967	cf::reload_config;
2394	cf::db_load;
2395		3968
2396	warn "load extensions";	3969	trace "loading extensions";
2397	cf::load_extensions;	3970	cf::load_extensions;
2398		3971
		3972	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2400	_global_reattach;	3974	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3975	trace "reattaching attachments to maps";
2402	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 $RELOAD_WATCHER;
		4012	};
2403	};	4013	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	4014	}
2456		4015
2457	register_command "reload" => sub {	4016	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2459		4018
2460	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
		4023	reload_perl;
		4024	};
2464	}	4025	}
2465	};	4026	};
2466		4027
2467	unshift @INC, $LIBDIR;	4028	#############################################################################
2468		4029
2469	$TICK_WATCHER = Event->timer (	4030	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		4031
		4032	our @WAIT_FOR_TICK;
		4033	our @WAIT_FOR_TICK_BEGIN;
		4034
		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
2477	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		4059
2481	$WAIT_FOR_TICK->broadcast;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		4061
2484	# if we are delayed by four ticks or more, skip them all	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		4064	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	4065	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	4066	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2510	})->();	4068	};
2511	},	4069	}
2512	);	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;
2513		4185
2514	END { cf::emergency_save }	4186	END { cf::emergency_save }
2515		4187
2516	1	4188	1
2517		4189

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