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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	201	every server tick.
96		202
97	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
119	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
121		257
122	=back	258	=back
123		259
124	=cut	260	=cut
125		261
126	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
127	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
128	my $msg = join "", @_;	269	my $msg = join "", @_;
129	utf8::encode $msg;
130		270
131	$msg .= "\n"	271	$msg .= "\n"
132	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
133		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
134	LOG llevError, $msg;	276	LOG llevWarn, $msg;
135	};	277	};
136	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
137		292
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		300
145	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	302	# within the Safe compartment.
147	for my $pkg (qw(	303	for my $pkg (qw(
148	cf::global cf::attachable	304	cf::global cf::attachable
149	cf::object cf::object::player	305	cf::object cf::object::player
150	cf::client cf::player	306	cf::client cf::player
151	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
152	cf::map cf::party cf::region	309	cf::party cf::region
153	)) {	310	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	312	}
157		313
158	$Event::DIED = sub {	314	$EV::DIED = sub {
159	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
160	};	316	};
161		317
162	my %ext_pkg;	318	#############################################################################
163	my @exts;
164	my @hook;
165		319
166	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
167		321
168	=over 4	322	=over 4
169		323
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	343	$d
190	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
191	}	345	}
192		346
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
196		348
197	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
198		350
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
207		352
208	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
209		354
210	=cut	355	=cut
211		356
212	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
214	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
215	}	403	}
216		404
217	=item cf::lock_wait $string	405	=item cf::lock_wait $string
218		406
219	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
220		408
221	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
222		410
223	Wait until the given lock is available and then acquires it and returns	411	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,	412	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	413	for example when the coroutine gets canceled), the lock is automatically
226	returned.	414	returned.
227		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
228	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
230		421
231	=cut	422	=item $locked = cf::lock_active $string
232		423
233	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
234		429
235	sub lock_wait($) {	430	sub lock_wait($) {
236	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	432	}
244		433
245	sub lock_acquire($) {	434	sub lock_acquire($) {
246	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
247		437
248	# wait, to be sure we are not locked	438	sub lock_active($) {
249	lock_wait $key;	439	$LOCKS->count ($_[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	}	440	}
258		441
259	sub freeze_mainloop {	442	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
261		444
262	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	446	}
264	$guard	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
265	}	528	}
266		529
267	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
268		531
269	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		537
275	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
276		539
277	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
278		541
279	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
282		546
283	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
286	fast or be very important.	550	fast or be very important.
…		…
288	=cut	552	=cut
289		553
290	sub sync_job(&) {	554	sub sync_job(&) {
291	my ($job) = @_;	555	my ($job) = @_;
292		556
293	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
294	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
296		562
297	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	564
299	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
300		566
301	my $busy = 1;	567	my $busy = 1;
302	my @res;	568	my @res;
303		569
304	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	572	@res = eval { $job->() };
306	warn $@ if $@;	573	error $@ if $@;
307	undef $busy;	574	undef $busy;
308	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
309		576
310	while ($busy) {	577	while ($busy) {
311	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
312	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
313		588
314	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
315	} else {	590	} else {
316	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
317		592
…		…
319	}	594	}
320	}	595	}
321		596
322	=item $coro = cf::async_ext { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
323		598
324	Like async, but this coro is automcatially being canceled when the	599	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	600	extension calling this is being unloaded.
326		601
327	=cut	602	=cut
328		603
329	sub async_ext(&) {	604	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
338		613
339	$coro	614	$coro
340	}	615	}
341		616
342	sub write_runtime {	617	=item fork_call { }, @args
343	my $runtime = cf::localdir . "/runtime";
344		618
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
346	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
347		623
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		625
352	aio_fsync $fh	626	sub post_fork {
353	and return;	627	reset_signals;
		628	}
354		629
355	close $fh	630	sub fork_call(&@) {
356	or return;	631	my ($cb, @args) = @_;
357		632
358	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
359	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
360		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
361	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	821	}
363		822
364	=back	823	=back
365		824
366	=cut	825	=cut
367		826
368	#############################################################################	827	#############################################################################
369		828
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
498		830
499	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
500	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
502		834
503	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	837	Deliantra).
506		838
507	=over 4	839	=over 4
508		840
509	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
510		842
…		…
554	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
555		887
556	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
558		890
559	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
561		893
562	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
563		895
564	=over 4	896	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	957	our @CB_MAP = ();
626		958
627	my %attachment;	959	my %attachment;
628		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
629	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
631		969
632	use sort 'stable';	970	use sort 'stable';
633		971
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
668		1006
669	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		1011
674	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
676		1014
677	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
682		1020
683	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
684	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
685		1023
686	} elsif (ref $type) {	1024	} elsif (ref $type) {
687	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
688		1026
689	} else {	1027	} else {
690	shift @arg;	1028	shift @arg;
691	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
692	}	1030	}
693	}	1031	}
694	}	1032	}
695		1033
696	sub _object_attach {	1034	sub _object_attach {
…		…
706	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
707	}	1045	}
708		1046
709	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
710	} else {	1048	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
712	}	1050	}
713		1051
714	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
715	}	1053	}
716		1054
…		…
718	if (ref $_[0]) {	1056	if (ref $_[0]) {
719	_object_attach @_;	1057	_object_attach @_;
720	} else {	1058	} else {
721	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
722	}	1060	}
		1061	_recalc_want;
723	};	1062	};
724		1063
725	# all those should be optimised	1064	# all those should be optimised
726	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
731	reattach ($obj);	1070	reattach ($obj);
732	} else {	1071	} else {
733	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
734	}	1073	}
		1074	_recalc_want;
735	};	1075	};
736		1076
737	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
739		1079
…		…
754	";	1094	";
755	die if $@;	1095	die if $@;
756	}	1096	}
757		1097
758	our $override;	1098	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1100
761	sub override {	1101	sub override {
762	$override = 1;	1102	$override = 1;
763	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
764	}	1104	}
765		1105
766	sub do_invoke {	1106	sub do_invoke {
767	my $event = shift;	1107	my $event = shift;
768	my $callbacks = shift;	1108	my $callbacks = shift;
769		1109
770	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
771		1111
772	local $override;	1112	local $override;
773		1113
774	for (@$callbacks) {	1114	for (@$callbacks) {
775	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
776		1116
777	if ($@) {	1117	if ($@) {
778	warn "$@";
779	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
780	override;	1119	override;
781	}	1120	}
782		1121
783	return 1 if $override;	1122	return 1 if $override;
784	}	1123	}
785		1124
786	0	1125	0
787	}	1126	}
788		1127
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1129
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1131
793	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
794		1133
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1137
799	=back	1138	=back
800		1139
801	=cut	1140	=cut
802		1141
803	#############################################################################	1142	#############################################################################
804	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
805		1186
806	sub reattach {	1187	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1193
810	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
811		1195
812	@$registry = ();	1196	@$registry = ();
813		1197
…		…
818	for (@$attach) {	1202	for (@$attach) {
819	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
820	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
821	}	1205	}
822	} else {	1206	} else {
823	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
824	}	1208	}
825	}	1209	}
826	}	1210	}
827		1211
828	cf::attachable->attach (	1212	cf::attachable->attach (
829	prio => -1000000,	1213	prio => -1000000,
830	on_instantiate => sub {	1214	on_instantiate => sub {
831	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
832		1216
833	$data = from_json $data;	1217	$data = decode_json $data;
834		1218
835	for (@$data) {	1219	for (@$data) {
836	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
837		1221
838	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1238	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
856		1240
857	sync_job {	1241	sync_job {
858	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
861		1247
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	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;
865	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
866	close $fh;	1255	aio_close $fh;
867		1256
868	if (@$objs) {	1257	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	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;
873	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
874	close $fh;	1266	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
876	}	1268	}
877	} else {	1269	} else {
878	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
879	}	1271	}
880		1272
881	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1277	} else {
883	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
884	}	1279	}
885	} else {	1280	} else {
886	aio_unlink $filename;	1281	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
888	}	1283	}
889	}	1284	};
890	}	1285	}
891		1286
892	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
894		1289
…		…
906	or return;	1301	or return;
907		1302
908	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
910	or return;	1305	or return;
		1306
911	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
912	}	1309	}
913		1310
		1311	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
916	return ($data, $av);	1316	($data, $av)
917	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
918		1324
919	#############################################################################	1325	#############################################################################
920	# command handling &c	1326	# command handling &c
921		1327
922	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1342	}
937		1343
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1345
940	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
941		1351
942	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
943	called.	1353	called.
944		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
945	=cut	1366	=cut
946		1367
947	sub register_extcmd {	1368	sub register_extcmd {
948	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
949		1370
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
954	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
955		1381
956	cf::player->attach (	1382	cf::player->attach (
957	on_command => sub {	1383	on_unknown_command => sub {
958	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
959		1385
960	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
961	or return;	1387	or return;
962		1388
…		…
967	cf::override;	1393	cf::override;
968	},	1394	},
969	on_extcmd => sub {	1395	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
971		1397
972	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1399
974	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
980	} else {	1415	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1417	}
983		1418
984	cf::override;	1419	cf::override;
985	},	1420	},
986	);	1421	);
987		1422
988	sub register {	1423	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1424	sub cache_extensions {
995	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
996		1426
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1430	}
1047	}	1431	};
1048		1432
1049	# remove extcmds	1433	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1434	}
1063		1435
1064	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1065	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1443	next unless -r $path;
1067	eval {	1444
1068	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1069	1	1508	}
1070	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1071	}	1519	};
1072	}	1520	}
1073		1521
1074	#############################################################################	1522	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1523
1077	*cf::mapsupport::on_clean = sub {	1524	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1525
1090	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1091		1527
1092	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1093		1529
1094	=cut	1530	=cut
1095		1531
1096	package cf::player;	1532	package cf::player;
1097		1533
…		…
1099		1535
1100	=head3 cf::player	1536	=head3 cf::player
1101		1537
1102	=over 4	1538	=over 4
1103		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
1104	=item cf::player::find $login	1554	=item cf::player::find $login
1105		1555
1106	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1107		1557
1108	=cut	1558	=cut
1109		1559
1110	sub playerdir($) {	1560	sub playerdir($) {
1111	cf::localdir	1561	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1563	}
1117		1564
1118	sub path($) {	1565	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1567
1121	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1122	}	1569	}
1123		1570
1124	sub find_active($) {	1571	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1129		1576
1130	sub exists($) {	1577	sub exists($) {
1131	my ($login) = @_;	1578	my ($login) = @_;
1132		1579
1133	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1135	}	1582	}
1136		1583
1137	sub find($) {	1584	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1586	my $login = $_[0];
1140		1587
1141	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1142		1589
1143	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1147	}	1607	}
1148	}	1608	}
1149	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1150		1623
1151	sub save($) {	1624	sub save($) {
1152	my ($pl) = @_;	1625	my ($pl) = @_;
1153		1626
1154	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1159	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1160		1633
1161	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1163		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1164	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1165	Coro::cede;	1643	cf::cede_to_tick;
1166	}	1644	}
1167		1645
1168	sub new($) {	1646	sub new($) {
1169	my ($login) = @_;	1647	my ($login) = @_;
1170		1648
…		…
1176	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1177		1655
1178	$self	1656	$self
1179	}	1657	}
1180		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1181	=item $pl->quit_character	1669	=item $pl->quit_character
1182		1670
1183	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1185		1673
1186	=cut	1674	=cut
1187		1675
1188	sub quit_character {	1676	sub quit_character {
1189	my ($pl) = @_;	1677	my ($pl) = @_;
1190		1678
		1679	my $name = $pl->ob->name;
		1680
1191	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1683
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1195	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1197	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1198		1692
1199	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1204	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1205	}	1719	}
1206		1720
1207	=item cf::player::list_logins	1721	=item cf::player::list_logins
1208		1722
1209	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1211		1725
1212	=cut	1726	=cut
1213		1727
1214	sub list_logins {	1728	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1730	or return [];
1217		1731
1218	my @logins;	1732	my @logins;
1219		1733
1220	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1224		1744
1225	utf8::decode $login;	1745	utf8::decode $login;
1226	push @logins, $login;	1746	push @logins, $login;
1227	}	1747	}
1228		1748
1229	\@logins	1749	\@logins
1230	}	1750	}
1231		1751
1232	=item $player->maps	1752	=item $player->maps
1233		1753
		1754	=item cf::player::maps $login
		1755
1234	Returns an arrayref of cf::path's of all maps that are private for this	1756	Returns an arrayref of map paths that are private for this
1235	player. May block.	1757	player. May block.
1236		1758
1237	=cut	1759	=cut
1238		1760
1239	sub maps($) {	1761	sub maps($) {
1240	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1765
1242	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1243	or return;	1767	or return;
1244		1768
1245	my @paths;	1769	my @paths;
…		…
1247	for (@$files) {	1771	for (@$files) {
1248	utf8::decode $_;	1772	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1251		1775
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1776	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1777	}
1254		1778
1255	\@paths	1779	\@paths
1256	}	1780	}
1257		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1259		1787
1260	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1261		1789
1262	=cut	1790	=cut
1263		1791
1264	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1266		1794
1267	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1796	}
1271		1797
1272	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1273		1840
1274	=back	1841	=back
1275
1276		1842
1277	=head3 cf::map	1843	=head3 cf::map
1278		1844
1279	=over 4	1845	=over 4
1280		1846
…		…
1283	package cf::map;	1849	package cf::map;
1284		1850
1285	use Fcntl;	1851	use Fcntl;
1286	use Coro::AIO;	1852	use Coro::AIO;
1287		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1288	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1290		1860
1291	sub generate_random_map {	1861	sub generate_random_map {
		1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
		1866	$self->_create_random_map ($rmp);
		1867	}
		1868
		1869	=item cf::map->register ($regex, $prio)
		1870
		1871	Register a handler for the map path matching the given regex at the
		1872	givne priority (higher is better, built-in handlers have priority 0, the
		1873	default).
		1874
		1875	=cut
		1876
		1877	sub register {
		1878	my (undef, $regex, $prio) = @_;
		1879	my $pkg = caller;
		1880
		1881	push @{"$pkg\::ISA"}, __PACKAGE__;
		1882
		1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1884	}
		1885
		1886	# also paths starting with '/'
		1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1888
		1889	sub thawer_merge {
		1890	my ($self, $merge) = @_;
		1891
		1892	# we have to keep some variables in memory intact
		1893	local $self->{path};
		1894	local $self->{load_path};
		1895
		1896	$self->SUPER::thawer_merge ($merge);
		1897	}
		1898
		1899	sub normalise {
1292	my ($path, $rmp) = @_;	1900	my ($path, $base) = @_;
1293		1901
1294	# mit "rum" bekleckern, nicht	1902	$path = "$path"; # make sure it's a string
1295	cf::map::_create_random_map	1903
		1904	$path =~ s/\.map$//;
		1905
		1906	# map plan:
		1907	#
		1908	# /! non-realised random map exit (special hack!)
		1909	# {... are special paths that are not being touched
		1910	# ?xxx/... are special absolute paths
		1911	# ?random/... random maps
		1912	# /... normal maps
		1913	# ~user/... per-player map of a specific user
		1914
		1915	$path =~ s/$PATH_SEP/\//go;
		1916
		1917	# treat it as relative path if it starts with
		1918	# something that looks reasonable
		1919	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1920	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1921
		1922	$base =~ s{[^/]+/?$}{};
		1923	$path = "$base/$path";
		1924	}
		1925
		1926	for ($path) {
		1927	redo if s{/\.?/}{/};
		1928	redo if s{/[^/]+/\.\./}{/};
		1929	}
		1930
1296	$path,	1931	$path
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})
1308	}	1932	}
1309		1933
1310	# and all this just because we cannot iterate over	1934	sub new_from_path {
1311	# all maps in C++...	1935	my (undef, $path, $base) = @_;
1312	sub change_all_map_light {	1936
		1937	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1938
		1939	$path = normalise $path, $base;
		1940
		1941	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1942	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1943	my $self = bless cf::map::new, $pkg;
		1944	$self->{path} = $path; $self->path ($path);
		1945	$self->init; # pass $1 etc.
		1946	return $self;
		1947	}
		1948	}
		1949
		1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1951	()
		1952	}
		1953
		1954	sub init {
1313	my ($change) = @_;	1955	my ($self) = @_;
1314		1956
1315	$_->change_map_light ($change)	1957	$self
1316	for grep $_->outdoor, values %cf::MAP;
1317	}	1958	}
1318		1959
		1960	sub as_string {
		1961	my ($self) = @_;
		1962
		1963	"$self->{path}"
		1964	}
		1965
		1966	# the displayed name, this is a one way mapping
		1967	sub visible_name {
		1968	&as_string
		1969	}
		1970
		1971	# the original (read-only) location
		1972	sub load_path {
		1973	my ($self) = @_;
		1974
		1975	"$MAPDIR/$self->{path}.map"
		1976	}
		1977
		1978	# the temporary/swap location
		1979	sub save_path {
		1980	my ($self) = @_;
		1981
		1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1983	"$TMPDIR/$path.map"
		1984	}
		1985
		1986	# the unique path, undef == no special unique path
		1987	sub uniq_path {
		1988	my ($self) = @_;
		1989
		1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1991	"$UNIQUEDIR/$path"
		1992	}
		1993
		1994	sub decay_objects {
		1995	my ($self) = @_;
		1996
		1997	return if $self->{deny_reset};
		1998
		1999	$self->do_decay_objects;
		2000	}
		2001
		2002	sub unlink_save {
		2003	my ($self) = @_;
		2004
		2005	utf8::encode (my $save = $self->save_path);
		2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2008	}
		2009
1319	sub try_load_header($) {	2010	sub load_header_from($) {
1320	my ($path) = @_;	2011	my ($self, $path) = @_;
1321		2012
1322	utf8::encode $path;	2013	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1324	or return;	2015	or return;
1325		2016
1326	my $map = cf::map::new	2017	$self->_load_header ($f)
1327	or return;	2018	or return;
1328		2019
1329	# for better error messages only, will be overwritten	2020	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	2021	$f->resolve_delayed_derefs;
1331		2022
1332	$map->load_header ($path)	2023	$self->{load_path} = $path;
		2024
		2025	1
		2026	}
		2027
		2028	sub load_header_orig {
		2029	my ($self) = @_;
		2030
		2031	$self->load_header_from ($self->load_path)
		2032	}
		2033
		2034	sub load_header_temp {
		2035	my ($self) = @_;
		2036
		2037	$self->load_header_from ($self->save_path)
		2038	}
		2039
		2040	sub prepare_temp {
		2041	my ($self) = @_;
		2042
		2043	$self->last_access ((delete $self->{last_access})
		2044	|| $cf::RUNTIME); #d#
		2045	# safety
		2046	$self->{instantiate_time} = $cf::RUNTIME
		2047	if $self->{instantiate_time} > $cf::RUNTIME;
		2048	}
		2049
		2050	sub prepare_orig {
		2051	my ($self) = @_;
		2052
		2053	$self->{load_original} = 1;
		2054	$self->{instantiate_time} = $cf::RUNTIME;
		2055	$self->last_access ($cf::RUNTIME);
		2056	$self->instantiate;
		2057	}
		2058
		2059	sub load_header {
		2060	my ($self) = @_;
		2061
		2062	if ($self->load_header_temp) {
		2063	$self->prepare_temp;
		2064	} else {
		2065	$self->load_header_orig
1333	or return;	2066	or return;
		2067	$self->prepare_orig;
		2068	}
1334		2069
1335	$map->{load_path} = $path;	2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
1336		2072
1337	$map	2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
		2076	1
1338	}	2077	}
1339		2078
1340	sub find;	2079	sub find;
1341	sub find {	2080	sub find {
1342	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1343		2082
1344	#warn "find<$path,$origin>\n";#d#	2083	cf::cede_to_tick;
1345		2084
1346	$path = new cf::path $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		2086
1349	cf::lock_wait "map_find:$key";	2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1353		2089
1354	# do it the slow way	2090	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	2091	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	2092	or return;
1373		2093
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1386		2095
1387	Coro::cede;	2096	$map->load_header
		2097	or return;
1388		2098
1389	if ($map->should_reset) {	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2100	# doing this can freeze the server in a sync job, obviously
		2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1390	$map->reset;	2104	$map->reset;
1391	undef $guard;
1392	$map = find $path	2105	return find $path;
1393	or return;
1394	}	2106	}
1395		2107
1396	$cf::MAP{$key} = $map	2108	$cf::MAP{$path} = $map
1397	}	2109	}
1398	}	2110	}
		2111
		2112	sub pre_load { }
		2113	#sub post_load { } # XS
1399		2114
1400	sub load {	2115	sub load {
1401	my ($self) = @_;	2116	my ($self) = @_;
1402		2117
		2118	local $self->{deny_reset} = 1; # loading can take a long time
		2119
1403	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2123	my $guard = cf::lock_acquire "map_data:$path";
1405		2124
		2125	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2127
1408	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1409		2129
1410	$self->alloc;	2130	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2131
		2132	$self->pre_load;
		2133	cf::cede_to_tick;
		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1412	or return;	2138	or return;
1413		2139
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1415	if delete $self->{load_original};	2141	if delete $self->{load_original};
1416		2142
1417	if (my $uniq = $path->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2144	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2147	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1422	}	2151	}
1423	}	2152	}
1424		2153
1425	Coro::cede;	2154	$f->resolve_delayed_derefs;
1426		2155
		2156	cf::cede_to_tick;
1427	# now do the right thing for maps	2157	# now do the right thing for maps
1428	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2160	unless $self->difficulty;
		2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1440	$self->activate;	2168	$self->activate;
1441	}	2169	}
1442		2170
1443	Coro::cede;	2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
1444		2173
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
		2175	}
		2176
		2177	$self->post_load;
		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
		2185	sub customise_for {
		2186	my ($self, $ob) = @_;
		2187
		2188	return find "~" . $ob->name . "/" . $self->{path}
		2189	if $self->per_player;
		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
		2194	$self
1446	}	2195	}
1447		2196
1448	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2198	sub load_neighbours {
1450	my ($map) = @_;	2199	my ($map) = @_;
1451		2200
1452	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1453		2202
1454	for (0 .. 3) {	2203	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1456	or next;	2205	or next;
1457	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1458	or next;	2207	or next;
1459	$neigh->load;	2208	$neigh->load;
1460		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2214	}
1464		2215
1465	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1467	or next;	2219	or next;
1468	$neigh->load;	2220	$neigh->load;
1469	}	2221	}
1470	}	2222	}
1471		2223
1472	sub find_sync {	2224	sub find_sync {
1473	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1474		2226
1475	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1476	}	2231	}
1477		2232
1478	sub do_load_sync {	2233	sub do_load_sync {
1479	my ($map) = @_;	2234	my ($map) = @_;
1480		2235
1481	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1482	}	2240	}
1483		2241
1484	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
		2243	our $MAP_PREFETCHER = undef;
		2244
		2245	sub find_async {
		2246	my ($path, $origin, $load) = @_;
		2247
		2248	$path = normalise $path, $origin && $origin->{path};
		2249
		2250	if (my $map = $cf::MAP{$path}) {
		2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2252	}
		2253
		2254	$MAP_PREFETCH{$path} |= $load;
		2255
1485	our $MAP_PREFETCHER = Coro::async {	2256	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2257	$Coro::current->{desc} = "map prefetcher";
		2258
1487	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2261	if (my $map = find $k) {
		2262	$map->load if $v;
		2263	}
		2264
1490	my $path = delete $MAP_PREFETCH{$key};	2265	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2266	}
1496	Coro::schedule;	2267	}
		2268	undef $MAP_PREFETCHER;
1497	}	2269	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2270	$MAP_PREFETCHER->prio (6);
1512		2271
1513	()	2272	()
		2273	}
		2274
		2275	# common code, used by both ->save and ->swapout
		2276	sub _save {
		2277	my ($self) = @_;
		2278
		2279	$self->{last_save} = $cf::RUNTIME;
		2280
		2281	return unless $self->dirty;
		2282
		2283	my $save = $self->save_path; utf8::encode $save;
		2284	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2285
		2286	$self->{load_path} = $save;
		2287
		2288	return if $self->{deny_save};
		2289
		2290	local $self->{last_access} = $self->last_access;#d#
		2291
		2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
		2294	$_->contr->save for $self->players;
		2295	};
		2296
		2297	cf::get_slot 0.02;
		2298
		2299	if ($uniq) {
		2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2302	} else {
		2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2304	}
1514	}	2305	}
1515		2306
1516	sub save {	2307	sub save {
1517	my ($self) = @_;	2308	my ($self) = @_;
1518		2309
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2311
1521	$self->{last_save} = $cf::RUNTIME;	2312	$self->_save;
1522
1523	return unless $self->dirty;
1524
1525	my $save = $self->{path}->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1527
1528	$self->{load_path} = $save;
1529
1530	return if $self->{deny_save};
1531
1532	local $self->{last_access} = $self->last_access;#d#
1533
1534	cf::async {
1535	$_->contr->save for $self->players;
1536	};
1537
1538	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}
1544	}	2313	}
1545		2314
1546	sub swap_out {	2315	sub swap_out {
1547	my ($self) = @_;	2316	my ($self) = @_;
1548		2317
1549	# save first because save cedes
1550	$self->save;
1551
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1554	return if $self->players;	2322	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};
1557		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1558	$self->clear;	2333	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2334	}
1561		2335
1562	sub reset_at {	2336	sub reset_at {
1563	my ($self) = @_;	2337	my ($self) = @_;
1564		2338
1565	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1568		2341
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2344
…		…
1576	my ($self) = @_;	2349	my ($self) = @_;
1577		2350
1578	$self->reset_at <= $cf::RUNTIME	2351	$self->reset_at <= $cf::RUNTIME
1579	}	2352	}
1580		2353
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2354	sub reset {
1603	my ($self) = @_;	2355	my ($self) = @_;
1604		2356
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2358
1607	return if $self->players;	2359	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2360
1610	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
1611		2372
1612	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1613		2374
		2375	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->clear;
1615		2378
1616	$self->unlink_save;	2379	$self->unlink_save;
1617	$self->destroy;	2380	$self->destroy;
1618	}	2381	}
1619		2382
1620	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1621		2384
1622	sub nuke {	2385	sub nuke {
1623	my ($self) = @_;	2386	my ($self) = @_;
1624		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
		2391	delete $cf::MAP{$self->path};
		2392
		2393	$self->unlink_save;
		2394
		2395	bless $self, "cf::map::wrap";
		2396	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2400
		2401	$cf::MAP{$self->path} = $self;
		2402	}
		2403
1628	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
1629	}	2405	}
1630		2406
1631	sub customise_for {	2407	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2408
1634	if ($map->per_player) {	2409	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
1636	}	2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
1637		2424
1638	$map	2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1639	}	2441	}
1640		2442
1641	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1642		2444
1643	Returns an arrayref of cf::path's of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2446	instantiated unique items. May block.
1645		2447
1646	=cut	2448	=cut
1647		2449
1648	sub unique_maps() {	2450	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1650	or return;	2452	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2453	utf8::decode $_;
1656	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2456	? ()
1659	push @paths, new cf::path $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2459	]
1661
1662	\@paths
1663	}	2460	}
1664		2461
1665	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1666		2493
1667	=back	2494	=back
1668		2495
1669	=head3 cf::object	2496	=head3 cf::object
1670		2497
…		…
1674		2501
1675	=over 4	2502	=over 4
1676		2503
1677	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1678		2505
1679	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1680		2508
1681	=cut	2509	=cut
1682		2510
1683	sub inv_recursive_;	2511	sub inv_recursive_;
1684	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1687		2515
1688	sub inv_recursive {	2516	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1690	}	2518	}
1691		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1692	package cf;	2548	package cf;
1693		2549
1694	=back	2550	=back
1695		2551
1696	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1705		2561
1706	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1707		2577
1708	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2579	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1713		2583
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2585
1716	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1718	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1721	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1722	}	2611	}
1723		2612
1724	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1725		2614
1726	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1739		2628
1740	=item $player_object->enter_link	2629	=item $player_object->enter_link
1741		2630
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2632
1744	The player should be reaosnably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
		2637
		2638	Will never block.
1746		2639
1747	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1748		2641
1749	Moves the player out of the specila link map onto the given map. If the	2642	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2643	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2644	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2645	fails, to the emergency map position.
1753		2646
1754	Might block.	2647	Might block.
1755		2648
1756	=cut	2649	=cut
		2650
		2651	sub link_map {
		2652	unless ($LINK_MAP) {
		2653	$LINK_MAP = cf::map::find "{link}"
		2654	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2655	$LINK_MAP->load;
		2656	}
		2657
		2658	$LINK_MAP
		2659	}
1757		2660
1758	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2662	my ($self) = @_;
1760		2663
1761	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1762		2665
1763	return if $self->map == $LINK_MAP;	2666	++$self->{_link_recursion};
		2667
		2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2669
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1767		2672
1768	$self->enter_map ($LINK_MAP, 20, 20);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1769	}	2674	}
1770		2675
1771	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1773		2680
1774	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1775		2682
1776	unless ($map) {	2683	unless ($map) {
1777	# restore original map position	2684	# restore original map position
…		…
1788	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1789	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1790		2697
1791	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1794		2701
1795	$map->load;	2702	$map->load;
1796	$map->load_diag;	2703	$map->load_neighbours;
1797		2704
1798	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2712	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}
1802
1803	cf::player->attach (
1804	on_logout => sub {
1805	my ($pl) = @_;
1806
1807	# abort map switching before logout
1808	if ($pl->ob->{_link_pos}) {
1809	cf::sync_job {
1810	$pl->ob->leave_link
1811	};
1812	}
1813	},	2713	}
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2714
1817	# try to abort aborted map switching on player login :)	2715	}
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2716
1835	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1836		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1837	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1838		2731
1839	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2734
1842	$path = new cf::path $path;	2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2743
1844	$self->enter_link;	2744	$self->enter_link;
1845		2745
1846	(async {	2746	(async {
1847	my $map = cf::map::find $path->as_string;	2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
		2768	my $map = eval {
		2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
1849		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2774	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
1854		2777
		2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
		2784	}
		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1856	})->prio (1);	2792	})->prio (1);
1857	}	2793	}
1858		2794
1859	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1860		2796
…		…
1862		2798
1863	sub parse_random_map_params {	2799	sub parse_random_map_params {
1864	my ($spec) = @_;	2800	my ($spec) = @_;
1865		2801
1866	my $rmp = { # defaults	2802	my $rmp = { # defaults
1867	xsize => 10,	2803	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2804	ysize => (cf::rndm 15, 40),
		2805	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2806	#layout => string,
1869	};	2807	};
1870		2808
1871	for (split /\n/, $spec) {	2809	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2810	my ($k, $v) = split /\s+/, $_, 2;
1873		2811
…		…
1885	# that depends on the exit object	2823	# that depends on the exit object
1886		2824
1887	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
1888		2826
1889	if ($exit->map) {	2827	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2828	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1894	}	2834	}
1895		2835
1896	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1897		2837
1898	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
		2840	my $meta = "$RANDOMDIR/$md5.meta";
1900		2841
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
		2844	undef $fh;
		2845	aio_rename "$meta~", $meta;
1903		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1906	}	2853	}
1907	}	2854	}
1908		2855
1909	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1913		2860
1914	$self->enter_link;	2861	$self->enter_link;
1915		2862
1916	(async {	2863	(async {
1917	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1918	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
1919	prepare_random_map $exit	2873	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2874	if $exit->slaying eq "/!";
		2875	}
1921		2876
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
1924		2880
		2881	$self->goto ($map, $x, $y);
		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1925	1;	2887	1
1926	}) {	2888	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2893
1932	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1933	$self->leave_link;	2895	$self->leave_link;
1934	}	2896	}
1935	})->prio (1);	2897	})->prio (1);
1936	}	2898	}
1937		2899
…		…
1948		2910
1949	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1951		2913
1952	utf8::encode $text;	2914	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2916	}
1955		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1956		3139
1957	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1958		3141
1959	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		3145
1963	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	3147	become reliable at some point in the future.
1965		3148
1966	=cut	3149	=cut
1967		3150
1968	sub cf::client::query {	3151	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3160	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3162
1980	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
1982	}	3167	}
1983		3168
1984	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
1985	on_reply => sub {	3175	on_reply => sub {
1986	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
1987		3177
1988	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
1989	# get handled first	3179	# get handled first
1990	my $queue = delete $ns->{query_queue}	3180	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3181	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3182
1993	(shift @$queue)->[1]->($msg);	3183	(shift @$queue)->[1]->($msg);
		3184	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3185
1995	push @{ $ns->{query_queue} }, @$queue;	3186	push @{ $ns->{query_queue} }, @$queue;
1996		3187
1997	if (@{ $ns->{query_queue} } == @$queue) {	3188	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3189	if (@$queue) {
…		…
2000	} else {	3191	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3193	}
2003	}	3194	}
2004	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2005	);	3222	);
2006		3223
2007	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2008		3225
2009	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2025		3242
2026	$coro	3243	$coro
2027	}	3244	}
2028		3245
2029	cf::client->attach (	3246	cf::client->attach (
2030	on_destroy => sub {	3247	on_client_destroy => sub {
2031	my ($ns) = @_;	3248	my ($ns) = @_;
2032		3249
2033	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2034	},	3251	},
2035	);	3252	);
…		…
2050	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2052		3269
2053	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2054		3271
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2056		3277
2057	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2058		3279
2059	=pod	3280	=pod
2060		3281
2061	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2062		3283
2063	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2064	cf::object::player player	3289	cf::object::player
2065	cf::player peaceful	3290	player
2066	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2067		3297
2068	=cut	3298	=cut
2069		3299
2070	for (	3300	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2075	) {	3307	) {
2076	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2079	for @funs;	3310	for @funs;
2080	}	3311	}
2081		3312
…		…
2096		3327
2097	my $qcode = $code;	3328	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2100		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2101	local $_;	3335	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;
2103		3336
2104	my $eval =	3337	my $eval =
2105	"do {\n"	3338	"do {\n"
2106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2108	. $code	3341	. $code
2109	. "\n}"	3342	. "\n}"
2110	;	3343	;
2111		3344
		3345	if ($CFG{safe_eval}) {
2112	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2115		3354
2116	if ($@) {	3355	if ($@) {
2117	warn "$@";	3356	warn "$@",
2118	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2119	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2120	}	3359	}
2121		3360
2122	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2123	}	3362	}
2124		3363
…		…
2138	=cut	3377	=cut
2139		3378
2140	sub register_script_function {	3379	sub register_script_function {
2141	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2142		3381
2143	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2145	}	3384	}
2146		3385
2147	=back	3386	=back
2148		3387
2149	=cut	3388	=cut
2150		3389
2151	#############################################################################	3390	#############################################################################
		3391	# the server's init and main functions
2152		3392
2153	=head2 EXTENSION DATABASE SUPPORT	3393	sub load_facedata($) {
		3394	my ($path) = @_;
2154		3395
2155	Crossfire maintains a very simple database for extension use. It can	3396	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3397	# for this (global event?)
2157	excludes objects.	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3399
2159	The parameter C<$family> should best start with the name of the extension	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3401
2162	=over 4	3402	trace "loading facedata from $path\n";
2163		3403
2164	=item $hashref = cf::db_get $family	3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
2165		3406
2166	Return a hashref for use by the extension C<$family>, which can be	3407	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3408
2170	=item $value = cf::db_get $family => $key	3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3411
2172	Returns a single value from the database	3412	# patch in the exptable
2173		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174	=item cf::db_put $family => $hashref	3414	$facedata->{resource}{"res/exp_table"} = {
2175		3415	type => FT_RSRC,
2176	Stores the given family hashref into the database. Updates are delayed, if	3416	data => $exp_table,
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3417	hash => (Digest::MD5::md5 $exp_table),
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3418	};
		3419	cf::cede_to_tick;
2225		3420
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3421	{
		3422	my $faces = $facedata->{faceinfo};
2230		3423
2231	sub db_get($;$) {	3424	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3426
2237	sub db_put($$;$) {	3427	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240	} else {	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241	$DB->{$_[0]} = $_[1];	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2242	}
2243	db_dirty;
2244	}
2245		3432
2246	cf::global->attach (	3433	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3434	}
2251	);
2252	}
2253		3435
2254	#############################################################################	3436	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3437	next unless $info->{smooth};
2256		3438
2257	sub cfg_load {	3439	my $idx = cf::face::find $face
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3440	or next;
2259	or return;
2260		3441
2261	local $/;	3442	if (my $smooth = cf::face::find $info->{smooth}) {
2262	*CFG = YAML::Syck::Load <$fh>;	3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
2263		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
		3518	sub reload_facedata {
		3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
		3556	sub reload_resources {
		3557	trace "reloading resource files...\n";
		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
		3564	reload_regions;
		3565	reload_treasures;
		3566
		3567	trace "finished reloading resource files\n";
		3568	}
		3569
		3570	sub reload_config {
		3571	trace "reloading config file...\n";
		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3580
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3583
2269	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2273	};	3588	};
2274	warn $@ if $@;	3589	warn $@ if $@;
2275	}	3590	}
2276	}	3591	}
2277		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2278	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2279	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3634	(async {
		3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
		3637	})->prio (Coro::PRIO_MAX);
2283	};	3638	};
2284		3639
2285	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
		3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2287	load_extensions;	3663	load_extensions;
2288	Event::loop;	3664
		3665	utime time, time, $RUNTIMEFILE;
		3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2289	}	3683	}
2290		3684
2291	#############################################################################	3685	#############################################################################
2292	# initialisation and cleanup	3686	# initialisation and cleanup
2293		3687
2294	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2295	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2302	},
2303	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2304	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2305	}	3784	}
2306		3785
2307	sub emergency_save() {	3786	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2309		3788
2310	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2311		3795
2312	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2313	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3807	$pl->save;
2321	}	3808	}
2322	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2323		3810
2324	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3816	$map->valid or next;
2328	$map->save;	3817	$map->save;
2329	}	3818	}
2330	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
		3824	BDB::db_env_txn_checkpoint $DB_ENV;
		3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2331	};	3849	};
2332		3850
2333	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2334	}	3852	}
2335		3853
		3854	sub post_cleanup {
		3855	my ($make_core) = @_;
		3856
		3857	IO::AIO::flush;
		3858
		3859	error Carp::longmess "post_cleanup backtrace"
		3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2336	sub reload() {	3891	sub do_reload_perl() {
2337	# can/must only be called in main	3892	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2339	warn "can only reload from main coroutine\n";	3894	error "can only reload from main coroutine";
2340	return;	3895	return;
2341	}	3896	}
2342		3897
2343	warn "reloading...";	3898	return if $RELOAD++;
2344		3899
2345	my $guard = freeze_mainloop;	3900	my $t1 = AE::time;
		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
		3908	cf::sync_job {
2346	cf::emergency_save;	3909	#cf::emergency_save;
2347		3910
2348	eval {	3911	trace "perl_reload: cancelling all extension coros";
2349	# if anything goes wrong in here, we should simply crash as we already saved
2350
2351	# cancel all watchers
2352	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3913	%EXT_CORO = ();
2359		3914
2360	# unload all extensions	3915	trace "perl_reload: removing commands";
2361	for (@exts) {	3916	%COMMAND = ();
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365		3917
2366	# unload all modules loaded from $LIBDIR	3918	trace "perl_reload: removing ext/exti commands";
2367	while (my ($k, $v) = each %INC) {	3919	%EXTCMD = ();
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3920	%EXTICMD = ();
2369		3921
2370	warn "removing <$k>";	3922	trace "perl_reload: unloading/nuking all extensions";
2371	delete $INC{$k};	3923	for my $pkg (@EXTS) {
		3924	trace "... unloading $pkg";
2372		3925
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {	3926	if (my $cb = $pkg->can ("unload")) {
		3927	eval {
2377	$cb->();	3928	$cb->($pkg);
		3929	1
		3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2378	}	3935	}
2379		3936
2380	Symbol::delete_package $k;	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3938	while (my ($k, $v) = each %INC) {
		3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3940
		3941	trace "... unloading $k";
		3942	delete $INC{$k};
		3943
		3944	$k =~ s/\.pm$//;
		3945	$k =~ s/\//::/g;
		3946
		3947	if (my $cb = $k->can ("unload_module")) {
		3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2381	}	3952	}
2382		3953
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3957
2391	# remove register_script_function callbacks	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3961
2397	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3963	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2400		3965
2401	# reload cf.pm	3966	info "perl_reload: unload completed, starting to reload now";
2402	warn "reloading cf.pm";	3967
		3968	trace "perl_reload: reloading cf.pm";
2403	require cf;	3969	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2405		3971
2406	# load config and database again	3972	trace "perl_reload: loading config and database again";
2407	cf::cfg_load;	3973	cf::reload_config;
2408	cf::db_load;
2409		3974
2410	# load extensions	3975	trace "perl_reload: loading extensions";
2411	warn "load extensions";
2412	cf::load_extensions;	3976	cf::load_extensions;
2413		3977
2414	# reattach attachments to objects	3978	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3979	trace "perl_reload: reattaching attachments to objects/players";
2416	_global_reattach;	3980	_global_reattach; # objects, sockets
		3981	trace "perl_reload: reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
		3983	trace "perl_reload: reattaching attachments to players";
		3984	reattach $_ for values %PLAYER;
		3985	}
		3986
		3987	cf::_post_init 1;
		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
		3991	1
		3992	} or do {
		3993	error $@;
		3994	cf::cleanup "perl_reload: error, exiting.";
		3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2418	};	4017	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	4018	}
2471
2472	register "<global>", __PACKAGE__;
2473		4019
2474	register_command "reload" => sub {	4020	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2476		4022
2477	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
		4027	reload_perl;
		4028	};
2481	}	4029	}
2482	};	4030	};
2483		4031
2484	unshift @INC, $LIBDIR;	4032	#############################################################################
2485		4033
2486	$TICK_WATCHER = Event->timer (	4034	my $bug_warning = 0;
2487	reentrant => 0,	4035
2488	prio => 0,	4036	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	4037	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	4038
2491	cb => sub {	4039	sub wait_for_tick() {
		4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4041
		4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
		4056	if ($Coro::current != $Coro::main) {
		4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4058	unless ++$bug_warning > 10;
		4059	return;
		4060	}
		4061
2492	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		4063
2496	$WAIT_FOR_TICK->broadcast;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498		4065
2499	# if we are delayed by four ticks or more, skip them all	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		4068	Coro::async_pool {
2502	$TICK_WATCHER->at ($NEXT_TICK);	4069	$Coro::current->{desc} = "runtime saver";
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	4070	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2525	})->();	4072	};
2526	},	4073	}
2527	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
		4093
		4094	{
		4095	# configure BDB
		4096
		4097	BDB::min_parallel 16;
		4098	BDB::max_poll_reqs $TICK * 0.1;
		4099	$AnyEvent::BDB::WATCHER->priority (1);
		4100
		4101	unless ($DB_ENV) {
		4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4108
		4109	cf::sync_job {
		4110	eval {
		4111	BDB::db_env_open
		4112	$DB_ENV,
		4113	$BDBDIR,
		4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4116	0666;
		4117
		4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4119	};
		4120
		4121	cf::cleanup "db_env_open(db): $@" if $@;
		4122	};
		4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
		4134	}
		4135
		4136	{
		4137	# configure IO::AIO
		4138
		4139	IO::AIO::min_parallel 8;
		4140	IO::AIO::max_poll_time $TICK * 0.1;
		4141	undef $AnyEvent::AIO::WATCHER;
		4142	}
		4143
		4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
		4146
		4147	sub _log_backtrace {
		4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
		4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2528		4194
2529	END { cf::emergency_save }	4195	END { cf::emergency_save }
2530		4196
2531	1	4197	1
2532		4198

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