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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	201	every server tick.
96		202
97	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
119	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
121		257
122	=back	258	=back
123		259
124	=cut	260	=cut
125		261
126	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
127	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
128	my $msg = join "", @_;	269	my $msg = join "", @_;
129	utf8::encode $msg;
130		270
131	$msg .= "\n"	271	$msg .= "\n"
132	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
133		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
134	LOG llevError, $msg;	276	LOG llevWarn, $msg;
135	};	277	};
136	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
137		292
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		300
145	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	302	# within the Safe compartment.
147	for my $pkg (qw(	303	for my $pkg (qw(
148	cf::global cf::attachable	304	cf::global cf::attachable
149	cf::object cf::object::player	305	cf::object cf::object::player
150	cf::client cf::player	306	cf::client cf::player
151	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
152	cf::map cf::party cf::region	309	cf::party cf::region
153	)) {	310	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	312	}
157		313
158	$Event::DIED = sub {	314	$EV::DIED = sub {
159	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
160	};	316	};
161		317
162	my %ext_pkg;	318	#############################################################################
163	my @exts;
164	my @hook;
165		319
166	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
167		321
168	=over 4	322	=over 4
169		323
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	343	$d
190	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
191	}	345	}
192		346
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
196		348
197	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
198		350
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
207		352
208	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
209		354
210	=cut	355	=cut
211		356
212	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
214	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
215	}	374	}
216		375
217	=item cf::lock_wait $string	376	=item cf::lock_wait $string
218		377
219	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
220		379
221	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
222		381
223	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
226	returned.	385	returned.
227		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
228	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
230		392
231	=cut	393	=item $locked = cf::lock_active $string
232		394
233	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
234		400
235	sub lock_wait($) {	401	sub lock_wait($) {
236	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	403	}
244		404
245	sub lock_acquire($) {	405	sub lock_acquire($) {
246	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
247		408
248	# wait, to be sure we are not locked	409	sub lock_active($) {
249	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	411	}
258		412
259	sub freeze_mainloop {	413	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
261		415
262	my $guard = Coro::guard { $TICK_WATCHER->start };	416	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	417	}
264	$guard	418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
		483	}
		484	};
		485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
265	}	499	}
266		500
267	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
268		502
269	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		508
275	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
276		510
277	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
278		512
279	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
282		517
283	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
286	fast or be very important.	521	fast or be very important.
…		…
288	=cut	523	=cut
289		524
290	sub sync_job(&) {	525	sub sync_job(&) {
291	my ($job) = @_;	526	my ($job) = @_;
292		527
293	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
294	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
296		533
297	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	535
299	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
300		537
301	my $busy = 1;	538	my $busy = 1;
302	my @res;	539	my @res;
303		540
304	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	543	@res = eval { $job->() };
306	warn $@ if $@;	544	error $@ if $@;
307	undef $busy;	545	undef $busy;
308	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
309		547
310	while ($busy) {	548	while ($busy) {
311	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
312	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
313		559
314	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
315	} else {	561	} else {
316	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
317		563
…		…
319	}	565	}
320	}	566	}
321		567
322	=item $coro = cf::async_ext { BLOCK }	568	=item $coro = cf::async_ext { BLOCK }
323		569
324	Like async, but this coro is automcatially being canceled when the	570	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	571	extension calling this is being unloaded.
326		572
327	=cut	573	=cut
328		574
329	sub async_ext(&) {	575	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
338		584
339	$coro	585	$coro
340	}	586	}
341		587
342	sub write_runtime {	588	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		589
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
346	or return;	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
347		594
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	595	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		596
352	aio_fsync $fh	597	sub post_fork {
353	and return;	598	reset_signals;
		599	}
354		600
355	close $fh	601	sub fork_call(&@) {
356	or return;	602	my ($cb, @args) = @_;
357		603
358	aio_rename "$runtime~", $runtime	604	# we seemingly have to make a local copy of the whole thing,
359	and return;	605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
360		607
		608	my @res = Coro::Util::fork_eval {
		609	cf::post_fork;
		610	&$cb
		611	}, @args;
		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
361	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
		781	}
		782
		783	=item cf::datalog type => key => value, ...
		784
		785	Log a datalog packet of the given type with the given key-value pairs.
		786
		787	=cut
		788
		789	sub datalog($@) {
		790	my ($type, %kv) = @_;
		791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	792	}
363		793
364	=back	794	=back
365		795
366	=cut	796	=cut
367		797
368	#############################################################################	798	#############################################################################
369		799
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
493		801
494	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
497		805
498	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	808	Deliantra).
501		809
502	=over 4	810	=over 4
503		811
504	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
505		813
…		…
549	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
550		858
551	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
553		861
554	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
556		864
557	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
558		866
559	=over 4	867	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	927	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	928	our @CB_MAP = ();
621		929
622	my %attachment;	930	my %attachment;
623		931
		932	sub cf::attachable::thawer_merge {
		933	# simply override everything except _meta
		934	local $_[0]{_meta};
		935	%{$_[0]} = %{$_[1]};
		936	}
		937
624	sub _attach_cb($$$$) {	938	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	939	my ($registry, $event, $prio, $cb) = @_;
626		940
627	use sort 'stable';	941	use sort 'stable';
628		942
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
663		977
664	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		982
669	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	984	my $pkg = shift @arg;
671		985
672	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
677		991
678	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		994
681	} elsif (ref $type) {	995	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
683		997
684	} else {	998	} else {
685	shift @arg;	999	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
687	}	1001	}
688	}	1002	}
689	}	1003	}
690		1004
691	sub _object_attach {	1005	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
702	}	1016	}
703		1017
704	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
705	} else {	1019	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1021	}
708		1022
709	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
710	}	1024	}
711		1025
…		…
713	if (ref $_[0]) {	1027	if (ref $_[0]) {
714	_object_attach @_;	1028	_object_attach @_;
715	} else {	1029	} else {
716	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
717	}	1031	}
		1032	_recalc_want;
718	};	1033	};
719		1034
720	# all those should be optimised	1035	# all those should be optimised
721	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1041	reattach ($obj);
727	} else {	1042	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
729	}	1044	}
		1045	_recalc_want;
730	};	1046	};
731		1047
732	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
734		1050
…		…
749	";	1065	";
750	die if $@;	1066	die if $@;
751	}	1067	}
752		1068
753	our $override;	1069	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1071
756	sub override {	1072	sub override {
757	$override = 1;	1073	$override = 1;
758	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
759	}	1075	}
760		1076
761	sub do_invoke {	1077	sub do_invoke {
762	my $event = shift;	1078	my $event = shift;
763	my $callbacks = shift;	1079	my $callbacks = shift;
764		1080
765	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
766		1082
767	local $override;	1083	local $override;
768		1084
769	for (@$callbacks) {	1085	for (@$callbacks) {
770	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
771		1087
772	if ($@) {	1088	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1090	override;
776	}	1091	}
777		1092
778	return 1 if $override;	1093	return 1 if $override;
779	}	1094	}
780		1095
781	0	1096	0
782	}	1097	}
783		1098
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1100
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1102
788	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
789		1104
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1108
794	=back	1109	=back
795		1110
796	=cut	1111	=cut
797		1112
798	#############################################################################	1113	#############################################################################
799	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
800		1157
801	sub reattach {	1158	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1160	my ($obj) = @_;
		1161
		1162	# no longer needed after getting rid of delete_package?
		1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1164
805	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
806		1166
807	@$registry = ();	1167	@$registry = ();
808		1168
…		…
813	for (@$attach) {	1173	for (@$attach) {
814	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
816	}	1176	}
817	} else {	1177	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1179	}
820	}	1180	}
821	}	1181	}
822		1182
823	cf::attachable->attach (	1183	cf::attachable->attach (
824	prio => -1000000,	1184	prio => -1000000,
825	on_instantiate => sub {	1185	on_instantiate => sub {
826	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
827		1187
828	$data = from_json $data;	1188	$data = decode_json $data;
829		1189
830	for (@$data) {	1190	for (@$data) {
831	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
832		1192
833	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1209	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
851		1211
852	sync_job {	1212	sync_job {
853	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
856		1218
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
860	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
861	close $fh;	1226	aio_close $fh;
862		1227
863	if (@$objs) {	1228	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
		1233	if ($cf::USE_FSYNC) {
		1234	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
868	aio_fsync $fh;	1235	aio_fsync $fh;
		1236	}
869	close $fh;	1237	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
871	}	1239	}
872	} else {	1240	} else {
873	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
874	}	1242	}
875		1243
876	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1248	} else {
878	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
879	}	1250	}
880	} else {	1251	} else {
881	aio_unlink $filename;	1252	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
883	}	1254	}
884	}	1255	};
885	}	1256	}
886		1257
887	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
889		1260
…		…
901	or return;	1272	or return;
902		1273
903	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
905	or return;	1276	or return;
		1277
906	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
907	}	1280	}
908		1281
		1282	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
911	return ($data, $av);	1287	($data, $av)
912	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
913		1295
914	#############################################################################	1296	#############################################################################
915	# command handling &c	1297	# command handling &c
916		1298
917	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1313	}
932		1314
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1316
935	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
936		1322
937	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
938	called.	1324	called.
939		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
940	=cut	1337	=cut
941		1338
942	sub register_extcmd {	1339	sub register_extcmd {
943	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
944		1341
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1342	$EXTCMD{$name} = $cb;
949	}	1343	}
		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
950		1352
951	cf::player->attach (	1353	cf::player->attach (
952	on_command => sub {	1354	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
954		1356
955	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
956	or return;	1358	or return;
957		1359
…		…
962	cf::override;	1364	cf::override;
963	},	1365	},
964	on_extcmd => sub {	1366	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
966		1368
967	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1370
969	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
975	} else {	1386	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1388	}
978		1389
979	cf::override;	1390	cf::override;
980	},	1391	},
981	);	1392	);
982		1393
983	sub register {	1394	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1395	sub cache_extensions {
990	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
991		1397
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1401	}
1042	}	1402	};
1043		1403
1044	# remove extcmds	1404	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1405	}
1058		1406
1059	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
1060	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1414	next unless -r $path;
1062	eval {	1415
1063	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
1064	1	1479	}
1065	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
1066	}	1490	};
1067	}	1491	}
1068		1492
1069	#############################################################################	1493	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1494
1072	*cf::mapsupport::on_clean = sub {	1495	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1496
1085	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1086		1498
1087	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1088		1500
1089	=cut	1501	=cut
1090		1502
1091	package cf::player;	1503	package cf::player;
1092		1504
…		…
1094		1506
1095	=head3 cf::player	1507	=head3 cf::player
1096		1508
1097	=over 4	1509	=over 4
1098		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
1099	=item cf::player::find $login	1525	=item cf::player::find $login
1100		1526
1101	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1102		1528
1103	=cut	1529	=cut
1104		1530
1105	sub playerdir($) {	1531	sub playerdir($) {
1106	cf::localdir	1532	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1534	}
1112		1535
1113	sub path($) {	1536	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1538
1116	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
1117	}	1540	}
1118		1541
1119	sub find_active($) {	1542	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
1124		1547
1125	sub exists($) {	1548	sub exists($) {
1126	my ($login) = @_;	1549	my ($login) = @_;
1127		1550
1128	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1552	or !aio_stat path $login
1130	}	1553	}
1131		1554
1132	sub find($) {	1555	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1557	my $login = $_[0];
1135		1558
1136	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
1137		1560
1138	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1562	# rename old playerfiles to new ones
		1563	#TODO: remove when no longer required
		1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1567	aio_unlink +(playerdir $login) . "/$login.pl";
		1568
		1569	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1142	}	1578	}
1143	}	1579	}
1144	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1145		1594
1146	sub save($) {	1595	sub save($) {
1147	my ($pl) = @_;	1596	my ($pl) = @_;
1148		1597
1149	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1155		1604
1156	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1158		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1159	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1160	Coro::cede;	1614	cf::cede_to_tick;
1161	}	1615	}
1162		1616
1163	sub new($) {	1617	sub new($) {
1164	my ($login) = @_;	1618	my ($login) = @_;
1165		1619
…		…
1171	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1172		1626
1173	$self	1627	$self
1174	}	1628	}
1175		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1176	=item $pl->quit_character	1640	=item $pl->quit_character
1177		1641
1178	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1180		1644
1181	=cut	1645	=cut
1182		1646
1183	sub quit_character {	1647	sub quit_character {
1184	my ($pl) = @_;	1648	my ($pl) = @_;
1185		1649
		1650	my $name = $pl->ob->name;
		1651
1186	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1654
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1193		1663
1194	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1666	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1667	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1668	$pl->destroy;
		1669
		1670	my $prefix = qr<^~\Q$name\E/>;
		1671
		1672	# nuke player maps
		1673	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1674
1199	IO::AIO::aio_rmtree $temp;	1675	IO::AIO::aio_rmtree $temp;
		1676	}
		1677
		1678	=item $pl->kick
		1679
		1680	Kicks a player out of the game. This destroys the connection.
		1681
		1682	=cut
		1683
		1684	sub kick {
		1685	my ($pl, $kicker) = @_;
		1686
		1687	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1688	$pl->killer ("kicked");
		1689	$pl->ns->destroy;
1200	}	1690	}
1201		1691
1202	=item cf::player::list_logins	1692	=item cf::player::list_logins
1203		1693
1204	Returns am arrayref of all valid playernames in the system, can take a	1694	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1206		1696
1207	=cut	1697	=cut
1208		1698
1209	sub list_logins {	1699	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1701	or return [];
1212		1702
1213	my @logins;	1703	my @logins;
1214		1704
1215	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1219		1715
1220	utf8::decode $login;	1716	utf8::decode $login;
1221	push @logins, $login;	1717	push @logins, $login;
1222	}	1718	}
1223		1719
1224	\@logins	1720	\@logins
1225	}	1721	}
1226		1722
1227	=item $player->maps	1723	=item $player->maps
1228		1724
		1725	=item cf::player::maps $login
		1726
1229	Returns an arrayref of cf::path's of all maps that are private for this	1727	Returns an arrayref of map paths that are private for this
1230	player. May block.	1728	player. May block.
1231		1729
1232	=cut	1730	=cut
1233		1731
1234	sub maps($) {	1732	sub maps($) {
1235	my ($pl) = @_;	1733	my ($pl) = @_;
		1734
		1735	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1736
1237	my $files = aio_readdir playerdir $pl	1737	my $files = aio_readdir playerdir $pl
1238	or return;	1738	or return;
1239		1739
1240	my @paths;	1740	my @paths;
1241		1741
1242	for (@$files) {	1742	for (@$files) {
1243	utf8::decode $_;	1743	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1744	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1745	next unless /^$PATH_SEP/o;
1246		1746
1247	s/$PATH_SEP/\//g;	1747	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1748	}
1250		1749
1251	\@paths	1750	\@paths
1252	}	1751	}
1253		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1255		1758
1256	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1257		1760
1258	=cut	1761	=cut
1259		1762
1260	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1262		1765
1263	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1767	}
1267		1768
1268	package cf;	1769	=item $player->ext_msg ($type, @msg)
		1770
		1771	Sends an ext event to the client.
		1772
		1773	=cut
		1774
		1775	sub ext_msg($$@) {
		1776	my ($self, $type, @msg) = @_;
		1777
		1778	$self->ns->ext_msg ($type, @msg);
		1779	}
		1780
		1781	=head3 cf::region
		1782
		1783	=over 4
		1784
		1785	=cut
		1786
		1787	package cf::region;
		1788
		1789	=item cf::region::find_by_path $path
		1790
		1791	Tries to decuce the likely region for a map knowing only its path.
		1792
		1793	=cut
		1794
		1795	sub find_by_path($) {
		1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
		1800	my ($match, $specificity);
		1801
		1802	for my $region (list) {
		1803	if ($region->{match} && $path =~ $region->{match}) {
		1804	($match, $specificity) = ($region, $region->specificity)
		1805	if $region->specificity > $specificity;
		1806	}
		1807	}
		1808
		1809	$match
		1810	}
1269		1811
1270	=back	1812	=back
1271
1272		1813
1273	=head3 cf::map	1814	=head3 cf::map
1274		1815
1275	=over 4	1816	=over 4
1276		1817
…		…
1279	package cf::map;	1820	package cf::map;
1280		1821
1281	use Fcntl;	1822	use Fcntl;
1282	use Coro::AIO;	1823	use Coro::AIO;
1283		1824
		1825	use overload
		1826	'""' => \&as_string,
		1827	fallback => 1;
		1828
1284	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1286		1831
1287	sub generate_random_map {	1832	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1836
1290	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1838	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1846	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1847	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1848	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1849	(cf::region::find $rmp->{region}), $rmp->{custom}
		1850	)
1304	}	1851	}
1305		1852
1306	# and all this just because we cannot iterate over	1853	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1854
1311	$_->change_map_light ($change)	1855	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1856	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1857	default).
1314		1858
1315	sub try_load_header($) {	1859	=cut
		1860
		1861	sub register {
		1862	my (undef, $regex, $prio) = @_;
		1863	my $pkg = caller;
		1864
		1865	push @{"$pkg\::ISA"}, __PACKAGE__;
		1866
		1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1868	}
		1869
		1870	# also paths starting with '/'
		1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1872
		1873	sub thawer_merge {
		1874	my ($self, $merge) = @_;
		1875
		1876	# we have to keep some variables in memory intact
		1877	local $self->{path};
		1878	local $self->{load_path};
		1879
		1880	$self->SUPER::thawer_merge ($merge);
		1881	}
		1882
		1883	sub normalise {
1316	my ($path) = @_;	1884	my ($path, $base) = @_;
		1885
		1886	$path = "$path"; # make sure it's a string
		1887
		1888	$path =~ s/\.map$//;
		1889
		1890	# map plan:
		1891	#
		1892	# /! non-realised random map exit (special hack!)
		1893	# {... are special paths that are not being touched
		1894	# ?xxx/... are special absolute paths
		1895	# ?random/... random maps
		1896	# /... normal maps
		1897	# ~user/... per-player map of a specific user
		1898
		1899	$path =~ s/$PATH_SEP/\//go;
		1900
		1901	# treat it as relative path if it starts with
		1902	# something that looks reasonable
		1903	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1904	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1905
		1906	$base =~ s{[^/]+/?$}{};
		1907	$path = "$base/$path";
		1908	}
		1909
		1910	for ($path) {
		1911	redo if s{//}{/};
		1912	redo if s{/\.?/}{/};
		1913	redo if s{/[^/]+/\.\./}{/};
		1914	}
		1915
		1916	$path
		1917	}
		1918
		1919	sub new_from_path {
		1920	my (undef, $path, $base) = @_;
		1921
		1922	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1923
		1924	$path = normalise $path, $base;
		1925
		1926	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1927	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1928	my $self = bless cf::map::new, $pkg;
		1929	$self->{path} = $path; $self->path ($path);
		1930	$self->init; # pass $1 etc.
		1931	return $self;
		1932	}
		1933	}
		1934
		1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1936	()
		1937	}
		1938
		1939	sub init {
		1940	my ($self) = @_;
		1941
		1942	$self
		1943	}
		1944
		1945	sub as_string {
		1946	my ($self) = @_;
		1947
		1948	"$self->{path}"
		1949	}
		1950
		1951	# the displayed name, this is a one way mapping
		1952	sub visible_name {
		1953	&as_string
		1954	}
		1955
		1956	# the original (read-only) location
		1957	sub load_path {
		1958	my ($self) = @_;
		1959
		1960	"$MAPDIR/$self->{path}.map"
		1961	}
		1962
		1963	# the temporary/swap location
		1964	sub save_path {
		1965	my ($self) = @_;
		1966
		1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1968	"$TMPDIR/$path.map"
		1969	}
		1970
		1971	# the unique path, undef == no special unique path
		1972	sub uniq_path {
		1973	my ($self) = @_;
		1974
		1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1976	"$UNIQUEDIR/$path"
		1977	}
		1978
		1979	sub decay_objects {
		1980	my ($self) = @_;
		1981
		1982	return if $self->{deny_reset};
		1983
		1984	$self->do_decay_objects;
		1985	}
		1986
		1987	sub unlink_save {
		1988	my ($self) = @_;
		1989
		1990	utf8::encode (my $save = $self->save_path);
		1991	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1992	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1993	}
		1994
		1995	sub load_header_from($) {
		1996	my ($self, $path) = @_;
1317		1997
1318	utf8::encode $path;	1998	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1320	or return;	2000	or return;
1321		2001
1322	my $map = cf::map::new	2002	$self->_load_header ($f)
1323	or return;	2003	or return;
1324		2004
1325	# for better error messages only, will be overwritten	2005	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	2006	$f->resolve_delayed_derefs;
1327		2007
1328	$map->load_header ($path)	2008	$self->{load_path} = $path;
		2009
		2010	1
		2011	}
		2012
		2013	sub load_header_orig {
		2014	my ($self) = @_;
		2015
		2016	$self->load_header_from ($self->load_path)
		2017	}
		2018
		2019	sub load_header_temp {
		2020	my ($self) = @_;
		2021
		2022	$self->load_header_from ($self->save_path)
		2023	}
		2024
		2025	sub prepare_temp {
		2026	my ($self) = @_;
		2027
		2028	$self->last_access ((delete $self->{last_access})
		2029	|| $cf::RUNTIME); #d#
		2030	# safety
		2031	$self->{instantiate_time} = $cf::RUNTIME
		2032	if $self->{instantiate_time} > $cf::RUNTIME;
		2033	}
		2034
		2035	sub prepare_orig {
		2036	my ($self) = @_;
		2037
		2038	$self->{load_original} = 1;
		2039	$self->{instantiate_time} = $cf::RUNTIME;
		2040	$self->last_access ($cf::RUNTIME);
		2041	$self->instantiate;
		2042	}
		2043
		2044	sub load_header {
		2045	my ($self) = @_;
		2046
		2047	if ($self->load_header_temp) {
		2048	$self->prepare_temp;
		2049	} else {
		2050	$self->load_header_orig
1329	or return;	2051	or return;
		2052	$self->prepare_orig;
		2053	}
1330		2054
1331	$map->{load_path} = $path;	2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
1332		2057
1333	$map	2058	$self->default_region (cf::region::find_by_path $self->{path})
		2059	unless $self->default_region;
		2060
		2061	1
1334	}	2062	}
1335		2063
1336	sub find;	2064	sub find;
1337	sub find {	2065	sub find {
1338	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1339		2067
1340	#warn "find<$path,$origin>\n";#d#	2068	cf::cede_to_tick;
1341		2069
1342	$path = new cf::path $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2071
1345	cf::lock_wait "map_find:$key";	2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2074
1350	# do it the slow way	2075	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2076	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2077	or return;
1369		2078
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1382		2080
1383	Coro::cede;	2081	$map->load_header
		2082	or return;
1384		2083
1385	if ($map->should_reset) {	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2085	# doing this can freeze the server in a sync job, obviously
		2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1386	$map->reset;	2089	$map->reset;
1387	undef $guard;
1388	$map = find $path	2090	return find $path;
1389	or return;
1390	}	2091	}
1391		2092
1392	$cf::MAP{$key} = $map	2093	$cf::MAP{$path} = $map
1393	}	2094	}
1394	}	2095	}
		2096
		2097	sub pre_load { }
		2098	#sub post_load { } # XS
1395		2099
1396	sub load {	2100	sub load {
1397	my ($self) = @_;	2101	my ($self) = @_;
1398		2102
		2103	local $self->{deny_reset} = 1; # loading can take a long time
		2104
1399	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2108	my $guard = cf::lock_acquire "map_data:$path";
1401		2109
		2110	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2112
1404	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1405		2114
1406	$self->alloc;	2115	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2116
		2117	$self->pre_load;
		2118	cf::cede_to_tick;
		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1408	or return;	2123	or return;
1409		2124
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1411	if delete $self->{load_original};	2126	if delete $self->{load_original};
1412		2127
1413	if (my $uniq = $path->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2129	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2132	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1418	}	2136	}
1419	}	2137	}
1420		2138
1421	Coro::cede;	2139	$f->resolve_delayed_derefs;
1422		2140
		2141	cf::cede_to_tick;
1423	# now do the right thing for maps	2142	# now do the right thing for maps
1424	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2145	unless $self->difficulty;
		2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1436	$self->activate;	2153	$self->activate;
1437	}	2154	}
1438		2155
1439	Coro::cede;	2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
1440		2158
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
		2160	}
		2161
		2162	$self->post_load;
		2163	}
		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
		2168	sub customise_for {
		2169	my ($self, $ob) = @_;
		2170
		2171	return find "~" . $ob->name . "/" . $self->{path}
		2172	if $self->per_player;
		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
		2177	$self
1442	}	2178	}
1443		2179
1444	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2181	sub load_neighbours {
1446	my ($map) = @_;	2182	my ($map) = @_;
1447		2183
1448	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1449		2185
1450	for (0 .. 3) {	2186	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1452	or next;	2188	or next;
1453	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1454	or next;	2190	or next;
1455	$neigh->load;	2191	$neigh->load;
1456		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2197	}
1460		2198
1461	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1463	or next;	2202	or next;
1464	$neigh->load;	2203	$neigh->load;
1465	}	2204	}
1466	}	2205	}
1467		2206
1468	sub find_sync {	2207	sub find_sync {
1469	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1470		2209
1471	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1472	}	2214	}
1473		2215
1474	sub do_load_sync {	2216	sub do_load_sync {
1475	my ($map) = @_;	2217	my ($map) = @_;
1476		2218
1477	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1478	}	2223	}
1479		2224
1480	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
		2226	our $MAP_PREFETCHER = undef;
		2227
		2228	sub find_async {
		2229	my ($path, $origin, $load) = @_;
		2230
		2231	$path = normalise $path, $origin && $origin->{path};
		2232
		2233	if (my $map = $cf::MAP{$path}) {
		2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2235	}
		2236
		2237	$MAP_PREFETCH{$path} |= $load;
		2238
1481	our $MAP_PREFETCHER = Coro::async {	2239	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2240	$Coro::current->{desc} = "map prefetcher";
		2241
1483	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2244	if (my $map = find $k) {
		2245	$map->load if $v;
		2246	}
		2247
1486	my $path = delete $MAP_PREFETCH{$key};	2248	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2249	}
1492	Coro::schedule;	2250	}
		2251	undef $MAP_PREFETCHER;
1493	}	2252	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2253	$MAP_PREFETCHER->prio (6);
1508		2254
1509	()	2255	()
		2256	}
		2257
		2258	# common code, used by both ->save and ->swapout
		2259	sub _save {
		2260	my ($self) = @_;
		2261
		2262	$self->{last_save} = $cf::RUNTIME;
		2263
		2264	return unless $self->dirty;
		2265
		2266	my $save = $self->save_path; utf8::encode $save;
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->{load_path} = $save;
		2270
		2271	return if $self->{deny_save};
		2272
		2273	local $self->{last_access} = $self->last_access;#d#
		2274
		2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
		2277	$_->contr->save for $self->players;
		2278	};
		2279
		2280	cf::get_slot 0.02;
		2281
		2282	if ($uniq) {
		2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2285	} else {
		2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2287	}
1510	}	2288	}
1511		2289
1512	sub save {	2290	sub save {
1513	my ($self) = @_;	2291	my ($self) = @_;
1514		2292
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2294
1517	$self->{last_save} = $cf::RUNTIME;	2295	$self->_save;
1518
1519	return unless $self->dirty;
1520
1521	my $save = $self->{path}->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1523
1524	$self->{load_path} = $save;
1525
1526	return if $self->{deny_save};
1527
1528	local $self->{last_access} = $self->last_access;#d#
1529
1530	cf::async {
1531	$_->contr->save for $self->players;
1532	};
1533
1534	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}
1540	}	2296	}
1541		2297
1542	sub swap_out {	2298	sub swap_out {
1543	my ($self) = @_;	2299	my ($self) = @_;
1544		2300
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1550	return if $self->players;	2305	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1554	$self->clear;	2316	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2317	}
1557		2318
1558	sub reset_at {	2319	sub reset_at {
1559	my ($self) = @_;	2320	my ($self) = @_;
1560		2321
1561	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1564		2324
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2327
…		…
1572	my ($self) = @_;	2332	my ($self) = @_;
1573		2333
1574	$self->reset_at <= $cf::RUNTIME	2334	$self->reset_at <= $cf::RUNTIME
1575	}	2335	}
1576		2336
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2337	sub reset {
1599	my ($self) = @_;	2338	my ($self) = @_;
1600		2339
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2341
1603	return if $self->players;	2342	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2343
1606	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
		2345
		2346	$self->in_memory (cf::MAP_SWAPPED);
		2347
		2348	# need to save uniques path
		2349	unless ($self->{deny_save}) {
		2350	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2351
		2352	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2353	if $uniq;
		2354	}
1607		2355
1608	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1609		2357
		2358	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2359	$_->clear_links_to ($self) for values %cf::MAP;
		2360	$self->clear;
1611		2361
1612	$self->unlink_save;	2362	$self->unlink_save;
1613	$self->destroy;	2363	$self->destroy;
1614	}	2364	}
1615		2365
1616	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1617		2367
1618	sub nuke {	2368	sub nuke {
1619	my ($self) = @_;	2369	my ($self) = @_;
1620		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
		2374	delete $cf::MAP{$self->path};
		2375
		2376	$self->unlink_save;
		2377
		2378	bless $self, "cf::map::wrap";
		2379	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2383
		2384	$cf::MAP{$self->path} = $self;
		2385	}
		2386
1624	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
1625	}	2388	}
1626		2389
1627	sub customise_for {	2390	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2391
1630	if ($map->per_player) {	2392	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
1632	}	2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
1633		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
		2424	}
		2425
		2426	=item cf::map::unique_maps
		2427
		2428	Returns an arrayref of paths of all shared maps that have
		2429	instantiated unique items. May block.
		2430
		2431	=cut
		2432
		2433	sub unique_maps() {
		2434	[
		2435	map {
		2436	utf8::decode $_;
		2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
		2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
		2442	]
		2443	}
		2444
		2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
1634	$map	2474	\@maps
1635	}	2475	}
1636
1637	package cf;
1638		2476
1639	=back	2477	=back
1640		2478
1641	=head3 cf::object	2479	=head3 cf::object
1642		2480
…		…
1646		2484
1647	=over 4	2485	=over 4
1648		2486
1649	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1650		2488
1651	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1652		2491
1653	=cut	2492	=cut
1654		2493
1655	sub inv_recursive_;	2494	sub inv_recursive_;
1656	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1659		2498
1660	sub inv_recursive {	2499	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1662	}	2501	}
1663		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1664	package cf;	2531	package cf;
1665		2532
1666	=back	2533	=back
1667		2534
1668	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1677		2544
1678	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1679		2560
1680	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2562	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1685		2566
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2568
1688	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1690	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1693	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1694	}	2594	}
1695		2595
1696	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1697		2597
1698	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1711		2611
1712	=item $player_object->enter_link	2612	=item $player_object->enter_link
1713		2613
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2615
1716	The player should be reaosnably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
		2620
		2621	Will never block.
1718		2622
1719	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1720		2624
1721	Moves the player out of the specila link map onto the given map. If the	2625	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2626	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2627	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2628	fails, to the emergency map position.
1725		2629
1726	Might block.	2630	Might block.
1727		2631
1728	=cut	2632	=cut
		2633
		2634	sub link_map {
		2635	unless ($LINK_MAP) {
		2636	$LINK_MAP = cf::map::find "{link}"
		2637	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2638	$LINK_MAP->load;
		2639	}
		2640
		2641	$LINK_MAP
		2642	}
1729		2643
1730	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2645	my ($self) = @_;
1732		2646
1733	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1734		2648
1735	return if $self->map == $LINK_MAP;	2649	++$self->{_link_recursion};
		2650
		2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2652
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1739		2655
1740	$self->enter_map ($LINK_MAP, 20, 20);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2657	}
1742		2658
1743	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1745		2663
1746	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1747		2665
1748	unless ($map) {	2666	unless ($map) {
1749	# restore original map position	2667	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1762		2680
1763	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1766		2684
1767	$map->load;	2685	$map->load;
1768	$map->load_diag;	2686	$map->load_neighbours;
1769		2687
1770	return unless $self->contr->active;	2688	return unless $self->contr->active;
		2689
		2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2691	if ($self->enter_map ($map, $x, $y)) {
		2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2695	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2696	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2697
1789	# try to abort aborted map switching on player login :)	2698	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2699
1807	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1809	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1810		2714
1811	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2717
1814	$path = new cf::path $path;	2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
1815	$path ne "/" or Carp::cluck ("oy");#d#	2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2726
1817	$self->enter_link;	2727	$self->enter_link;
1818		2728
1819	(async {	2729	(async {
1820	my $map = cf::map::find $path->as_string;	2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
		2751	my $map = eval {
		2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
1822		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2757	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
1827		2760
		2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
		2767	}
		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1829	})->prio (1);	2775	})->prio (1);
1830	}	2776	}
1831		2777
1832	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1833		2779
…		…
1835		2781
1836	sub parse_random_map_params {	2782	sub parse_random_map_params {
1837	my ($spec) = @_;	2783	my ($spec) = @_;
1838		2784
1839	my $rmp = { # defaults	2785	my $rmp = { # defaults
1840	xsize => 10,	2786	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2787	ysize => (cf::rndm 15, 40),
		2788	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2789	#layout => string,
1842	};	2790	};
1843		2791
1844	for (split /\n/, $spec) {	2792	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2793	my ($k, $v) = split /\s+/, $_, 2;
1846		2794
…		…
1858	# that depends on the exit object	2806	# that depends on the exit object
1859		2807
1860	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
1861		2809
1862	if ($exit->map) {	2810	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2811	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1867	}	2817	}
1868		2818
1869	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1870		2820
1871	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
		2823	my $meta = "$RANDOMDIR/$md5.meta";
1873		2824
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
		2827	undef $fh;
		2828	aio_rename "$meta~", $meta;
1876		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1879	}	2836	}
1880	}	2837	}
1881		2838
1882	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1886		2843
1887	$self->enter_link;	2844	$self->enter_link;
1888		2845
1889	(async {	2846	(async {
1890	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1891	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
1892	prepare_random_map $exit	2856	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2857	if $exit->slaying eq "/!";
		2858	}
1894		2859
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
1897		2863
		2864	$self->goto ($map, $x, $y);
		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
1898	1;	2870	1
1899	}) {	2871	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2874	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2876
1905	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1906	$self->leave_link;	2878	$self->leave_link;
1907	}	2879	}
1908	})->prio (1);	2880	})->prio (1);
1909	}	2881	}
1910		2882
…		…
1921		2893
1922	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1924		2896
1925	utf8::encode $text;	2897	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2899	}
1928		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
		3088	=item $client->ext_msg ($type, @msg)
		3089
		3090	Sends an ext event to the client.
		3091
		3092	=cut
		3093
		3094	sub cf::client::ext_msg($$@) {
		3095	my ($self, $type, @msg) = @_;
		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
		3100	push @msg, msgtype => "event_$type";
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
		3121	}
1929		3122
1930	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1931		3124
1932	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3128
1936	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3130	become reliable at some point in the future.
1938		3131
1939	=cut	3132	=cut
1940		3133
1941	sub cf::client::query {	3134	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3143	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3145
1953	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
1955	}	3150	}
1956		3151
1957	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
1958	on_reply => sub {	3158	on_reply => sub {
1959	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
1960		3160
1961	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
1962	# get handled first	3162	# get handled first
1963	my $queue = delete $ns->{query_queue}	3163	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3164	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3165
1966	(shift @$queue)->[1]->($msg);	3166	(shift @$queue)->[1]->($msg);
		3167	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3168
1968	push @{ $ns->{query_queue} }, @$queue;	3169	push @{ $ns->{query_queue} }, @$queue;
1969		3170
1970	if (@{ $ns->{query_queue} } == @$queue) {	3171	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3172	if (@$queue) {
…		…
1973	} else {	3174	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3176	}
1976	}	3177	}
1977	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
1978	);	3205	);
1979		3206
1980	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
1981		3208
1982	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3225
1999	$coro	3226	$coro
2000	}	3227	}
2001		3228
2002	cf::client->attach (	3229	cf::client->attach (
2003	on_destroy => sub {	3230	on_client_destroy => sub {
2004	my ($ns) = @_;	3231	my ($ns) = @_;
2005		3232
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3234	},
2008	);	3235	);
…		…
2023	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2025		3252
2026	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2027		3254
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2029		3260
2030	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2031		3262
2032	=pod	3263	=pod
2033		3264
2034	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2035		3266
2036	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2037	cf::object::player player	3272	cf::object::player
2038	cf::player peaceful	3273	player
2039	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2040		3280
2041	=cut	3281	=cut
2042		3282
2043	for (	3283	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2048	) {	3290	) {
2049	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2052	for @funs;	3293	for @funs;
2053	}	3294	}
2054		3295
…		…
2069		3310
2070	my $qcode = $code;	3311	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2073		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2074	local $_;	3318	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3319
2077	my $eval =	3320	my $eval =
2078	"do {\n"	3321	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3324	. $code
2082	. "\n}"	3325	. "\n}"
2083	;	3326	;
2084		3327
		3328	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2088		3337
2089	if ($@) {	3338	if ($@) {
2090	warn "$@";	3339	warn "$@",
2091	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2092	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2093	}	3342	}
2094		3343
2095	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2096	}	3345	}
2097		3346
…		…
2111	=cut	3360	=cut
2112		3361
2113	sub register_script_function {	3362	sub register_script_function {
2114	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2115		3364
2116	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2118	}	3367	}
2119		3368
2120	=back	3369	=back
2121		3370
2122	=cut	3371	=cut
2123		3372
2124	#############################################################################	3373	#############################################################################
		3374	# the server's init and main functions
2125		3375
2126	=head2 EXTENSION DATABASE SUPPORT	3376	sub load_facedata($) {
		3377	my ($path) = @_;
2127		3378
2128	Crossfire maintains a very simple database for extension use. It can	3379	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3380	# for this (global event?)
2130	excludes objects.	3381	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3382
2132	The parameter C<$family> should best start with the name of the extension	3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3384
2135	=over 4	3385	trace "loading facedata from $path\n";
2136		3386
2137	=item $hashref = cf::db_get $family	3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
2138		3389
2139	Return a hashref for use by the extension C<$family>, which can be	3390	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3391
2143	=item $value = cf::db_get $family => $key	3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3394
2145	Returns a single value from the database	3395	# patch in the exptable
2146		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3397	$facedata->{resource}{"res/exp_table"} = {
2148		3398	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3399	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3400	hash => (Digest::MD5::md5 $exp_table),
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3401	};
		3402	cf::cede_to_tick;
2198		3403
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3404	{
		3405	my $faces = $facedata->{faceinfo};
2203		3406
2204	sub db_get($;$) {	3407	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3409
2210	sub db_put($$;$) {	3410	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3411	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3414
2219	cf::global->attach (	3415	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3416	}
2224	);
2225	}
2226		3417
2227	#############################################################################	3418	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3419	next unless $info->{smooth};
2229		3420
2230	sub cfg_load {	3421	my $idx = cf::face::find $face
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3422	or next;
2232	or return;
2233		3423
2234	local $/;	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
		3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3427	} else {
		3428	error "smooth face '$info->{smooth}' not found for face '$face'";
		3429	}
		3430
		3431	cf::cede_to_tick;
		3432	}
		3433	}
		3434
		3435	{
		3436	my $anims = $facedata->{animinfo};
		3437
		3438	while (my ($anim, $info) = each %$anims) {
		3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3440	cf::cede_to_tick;
		3441	}
		3442
		3443	cf::anim::invalidate_all; # d'oh
		3444	}
		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
		3465	1
		3466	}
		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
		3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
		3498	}
		3499
		3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
		3538	sub reload_resources {
		3539	trace "reloading resource files...\n";
		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
		3546	reload_regions;
		3547	reload_treasures;
		3548
		3549	trace "finished reloading resource files\n";
		3550	}
		3551
		3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2235	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2236		3562
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2238		3564
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2241		3567
2242	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2246	};	3572	};
2247	warn $@ if $@;	3573	warn $@ if $@;
2248	}	3574	}
2249	}	3575	}
2250		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2251	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2252	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3618	(async {
		3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
		3621	})->prio (Coro::PRIO_MAX);
2256	};	3622	};
2257		3623
2258	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
		3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2260	load_extensions;	3647	load_extensions;
2261	Event::loop;	3648
		3649	utime time, time, $RUNTIMEFILE;
		3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2262	}	3667	}
2263		3668
2264	#############################################################################	3669	#############################################################################
2265	# initialisation and cleanup	3670	# initialisation and cleanup
2266		3671
2267	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2268	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2275	},
2276	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2277	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2278	}	3768	}
2279		3769
2280	sub emergency_save() {	3770	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2282		3772
2283	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2284		3779
2285	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2286	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3791	$pl->save;
2294	}	3792	}
2295	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2296		3794
2297	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3800	$map->valid or next;
2301	$map->save;	3801	$map->save;
2302	}	3802	}
2303	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
		3804
		3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
		3808	BDB::db_env_txn_checkpoint $DB_ENV;
		3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2304	};	3833	};
2305		3834
2306	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2307	}	3836	}
2308		3837
		3838	sub post_cleanup {
		3839	my ($make_core) = @_;
		3840
		3841	IO::AIO::flush;
		3842
		3843	error Carp::longmess "post_cleanup backtrace"
		3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2309	sub reload() {	3875	sub do_reload_perl() {
2310	# can/must only be called in main	3876	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2312	warn "can only reload from main coroutine\n";	3878	error "can only reload from main coroutine";
2313	return;	3879	return;
2314	}	3880	}
2315		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2316	warn "reloading...";	3888	info "reloading...";
2317		3889
2318	my $guard = freeze_mainloop;	3890	trace "entering sync_job";
		3891
		3892	cf::sync_job {
2319	cf::emergency_save;	3893	#cf::emergency_save;
2320		3894
2321	eval {
2322	# if anything goes wrong in here, we should simply crash as we already saved
2323
2324	# cancel all watchers
2325	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}
2328
2329	# cancel all extension coros	3895	trace "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3897	%EXT_CORO = ();
2332		3898
2333	# unload all extensions	3899	trace "removing commands";
2334	for (@exts) {	3900	%COMMAND = ();
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338		3901
2339	# unload all modules loaded from $LIBDIR	3902	trace "removing ext/exti commands";
2340	while (my ($k, $v) = each %INC) {	3903	%EXTCMD = ();
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	%EXTICMD = ();
2342		3905
2343	warn "removing <$k>";	3906	trace "unloading/nuking all extensions";
2344	delete $INC{$k};	3907	for my $pkg (@EXTS) {
		3908	trace "... unloading $pkg";
2345		3909
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {	3910	if (my $cb = $pkg->can ("unload")) {
		3911	eval {
2350	$cb->();	3912	$cb->($pkg);
		3913	1
		3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2351	}	3919	}
2352		3920
2353	Symbol::delete_package $k;	3921	trace "unloading all perl modules loaded from $LIBDIR";
		3922	while (my ($k, $v) = each %INC) {
		3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3924
		3925	trace "... unloading $k";
		3926	delete $INC{$k};
		3927
		3928	$k =~ s/\.pm$//;
		3929	$k =~ s/\//::/g;
		3930
		3931	if (my $cb = $k->can ("unload_module")) {
		3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2354	}	3936	}
2355		3937
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3938	trace "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3941
2364	# remove register_script_function callbacks	3942	trace "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3945
2370	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3947	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2373		3949
2374	# reload cf.pm	3950	info "unload completed, starting to reload now";
		3951
2375	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2376	require cf;	3953	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2378		3955
2379	# load config and database again	3956	trace "loading config and database again";
2380	cf::cfg_load;	3957	cf::reload_config;
2381	cf::db_load;
2382		3958
2383	# load extensions
2384	warn "load extensions";	3959	trace "loading extensions";
2385	cf::load_extensions;	3960	cf::load_extensions;
2386		3961
2387	# reattach attachments to objects	3962	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3963	trace "reattaching attachments to objects/players";
2389	_global_reattach;	3964	_global_reattach; # objects, sockets
		3965	trace "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
		3974	trace "leaving sync_job";
		3975
		3976	1
		3977	} or do {
		3978	error $@;
		3979	cf::cleanup "error while reloading, exiting.";
		3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2391	};	4003	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	4004	}
2444
2445	register "<global>", __PACKAGE__;
2446		4005
2447	register_command "reload" => sub {	4006	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2449		4008
2450	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
		4013	reload_perl;
		4014	};
2454	}	4015	}
2455	};	4016	};
2456		4017
2457	unshift @INC, $LIBDIR;	4018	#############################################################################
2458		4019
2459	$TICK_WATCHER = Event->timer (	4020	my $bug_warning = 0;
2460	reentrant => 0,	4021
2461	prio => 0,	4022	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	4023	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	4024
2464	cb => sub {	4025	sub wait_for_tick() {
		4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4027
		4028	my $signal = new Coro::Signal;
		4029	push @WAIT_FOR_TICK, $signal;
		4030	$signal->wait;
		4031	}
		4032
		4033	sub wait_for_tick_begin() {
		4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
		4036	my $signal = new Coro::Signal;
		4037	push @WAIT_FOR_TICK_BEGIN, $signal;
		4038	$signal->wait;
		4039	}
		4040
		4041	sub tick {
		4042	if ($Coro::current != $Coro::main) {
		4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4044	unless ++$bug_warning > 10;
		4045	return;
		4046	}
		4047
2465	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		4049
2469	$WAIT_FOR_TICK->broadcast;	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		4051
2472	# if we are delayed by four ticks or more, skip them all	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		4054	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	4055	$Coro::current->{desc} = "runtime saver";
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	4056	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2498	})->();	4058	};
2499	},	4059	}
2500	);	4060
		4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4062	$sig->send;
		4063	}
		4064	while (my $sig = shift @WAIT_FOR_TICK) {
		4065	$sig->send;
		4066	}
		4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
		4079
		4080	{
		4081	# configure BDB
		4082
		4083	BDB::min_parallel 16;
		4084	BDB::max_poll_reqs $TICK * 0.1;
		4085	$AnyEvent::BDB::WATCHER->priority (1);
		4086
		4087	unless ($DB_ENV) {
		4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4094
		4095	cf::sync_job {
		4096	eval {
		4097	BDB::db_env_open
		4098	$DB_ENV,
		4099	$BDBDIR,
		4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4102	0666;
		4103
		4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4105	};
		4106
		4107	cf::cleanup "db_env_open(db): $@" if $@;
		4108	};
		4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
		4120	}
		4121
		4122	{
		4123	# configure IO::AIO
		4124
		4125	IO::AIO::min_parallel 8;
		4126	IO::AIO::max_poll_time $TICK * 0.1;
		4127	undef $AnyEvent::AIO::WATCHER;
		4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2501		4175
2502	END { cf::emergency_save }	4176	END { cf::emergency_save }
2503		4177
2504	1	4178	1
2505		4179

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