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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 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	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
493		830
494	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
495	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")
496	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
497		834
498	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>
499	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
500	crossfire+).	837	Deliantra).
501		838
502	=over 4	839	=over 4
503		840
504	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
505		842
…		…
549	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
550		887
551	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
553		890
554	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
556		893
557	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
558		895
559	=over 4	896	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	957	our @CB_MAP = ();
621		958
622	my %attachment;	959	my %attachment;
623		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
624	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
626		969
627	use sort 'stable';	970	use sort 'stable';
628		971
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
663		1006
664	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		1011
669	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
671		1014
672	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
677		1020
678	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		1023
681	} elsif (ref $type) {	1024	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
683		1026
684	} else {	1027	} else {
685	shift @arg;	1028	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
687	}	1030	}
688	}	1031	}
689	}	1032	}
690		1033
691	sub _object_attach {	1034	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
702	}	1045	}
703		1046
704	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
705	} else {	1048	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1050	}
708		1051
709	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
710	}	1053	}
711		1054
…		…
713	if (ref $_[0]) {	1056	if (ref $_[0]) {
714	_object_attach @_;	1057	_object_attach @_;
715	} else {	1058	} else {
716	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
717	}	1060	}
		1061	_recalc_want;
718	};	1062	};
719		1063
720	# all those should be optimised	1064	# all those should be optimised
721	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1070	reattach ($obj);
727	} else {	1071	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
729	}	1073	}
		1074	_recalc_want;
730	};	1075	};
731		1076
732	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
734		1079
…		…
749	";	1094	";
750	die if $@;	1095	die if $@;
751	}	1096	}
752		1097
753	our $override;	1098	our $override;
754	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?
755		1100
756	sub override {	1101	sub override {
757	$override = 1;	1102	$override = 1;
758	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
759	}	1104	}
760		1105
761	sub do_invoke {	1106	sub do_invoke {
762	my $event = shift;	1107	my $event = shift;
763	my $callbacks = shift;	1108	my $callbacks = shift;
764		1109
765	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
766		1111
767	local $override;	1112	local $override;
768		1113
769	for (@$callbacks) {	1114	for (@$callbacks) {
770	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
771		1116
772	if ($@) {	1117	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1119	override;
776	}	1120	}
777		1121
778	return 1 if $override;	1122	return 1 if $override;
779	}	1123	}
780		1124
781	0	1125	0
782	}	1126	}
783		1127
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1129
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1131
788	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
789		1133
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1137
794	=back	1138	=back
795		1139
796	=cut	1140	=cut
797		1141
798	#############################################################################	1142	#############################################################################
799	# 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	}
800		1186
801	sub reattach {	1187	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
803	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
804		1193
805	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
806		1195
807	@$registry = ();	1196	@$registry = ();
808		1197
…		…
813	for (@$attach) {	1202	for (@$attach) {
814	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
816	}	1205	}
817	} else {	1206	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1208	}
820	}	1209	}
821	}	1210	}
822		1211
823	cf::attachable->attach (	1212	cf::attachable->attach (
824	prio => -1000000,	1213	prio => -1000000,
825	on_instantiate => sub {	1214	on_instantiate => sub {
826	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
827		1216
828	$data = from_json $data;	1217	$data = decode_json $data;
829		1218
830	for (@$data) {	1219	for (@$data) {
831	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
832		1221
833	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1238	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
851		1240
852	sync_job {	1241	sync_job {
853	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
856		1247
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
861	close $fh;	1255	aio_close $fh;
862		1256
863	if (@$objs) {	1257	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
869	close $fh;	1266	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
871	}	1268	}
872	} else {	1269	} else {
873	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
874	}	1271	}
875		1272
876	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1277	} else {
878	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
879	}	1279	}
880	} else {	1280	} else {
881	aio_unlink $filename;	1281	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
883	}	1283	}
884	}	1284	};
885	}	1285	}
886		1286
887	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
889		1289
…		…
901	or return;	1301	or return;
902		1302
903	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
905	or return;	1305	or return;
		1306
906	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
907	}	1309	}
908		1310
		1311	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
911	return ($data, $av);	1316	($data, $av)
912	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
913		1324
914	#############################################################################	1325	#############################################################################
915	# command handling &c	1326	# command handling &c
916		1327
917	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1342	}
932		1343
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1345
935	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.
936		1351
937	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
938	called.	1353	called.
939		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
940	=cut	1366	=cut
941		1367
942	sub register_extcmd {	1368	sub register_extcmd {
943	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
944		1370
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
949	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
950		1381
951	cf::player->attach (	1382	cf::player->attach (
952	on_command => sub {	1383	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
954		1385
955	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
956	or return;	1387	or return;
957		1388
…		…
962	cf::override;	1393	cf::override;
963	},	1394	},
964	on_extcmd => sub {	1395	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
966		1397
967	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1399
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
975	} else {	1415	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1417	}
978		1418
979	cf::override;	1419	cf::override;
980	},	1420	},
981	);	1421	);
982		1422
983	sub register {	1423	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1424	sub cache_extensions {
990	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
991		1426
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1430	}
1042	}	1431	};
1043		1432
1044	# remove extcmds	1433	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1434	}
1058		1435
1059	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1060	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1443	next unless -r $path;
1062	eval {	1444
1063	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	}
1064	1	1508	}
1065	} 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	}
1066	}	1519	};
1067	}	1520	}
1068		1521
1069	#############################################################################	1522	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1523
1072	*cf::mapsupport::on_clean = sub {	1524	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1525
1085	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1086		1527
1087	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1088		1529
1089	=cut	1530	=cut
1090		1531
1091	package cf::player;	1532	package cf::player;
1092		1533
…		…
1094		1535
1095	=head3 cf::player	1536	=head3 cf::player
1096		1537
1097	=over 4	1538	=over 4
1098		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
1099	=item cf::player::find $login	1554	=item cf::player::find $login
1100		1555
1101	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1102		1557
1103	=cut	1558	=cut
1104		1559
1105	sub playerdir($) {	1560	sub playerdir($) {
1106	cf::localdir	1561	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1563	}
1112		1564
1113	sub path($) {	1565	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1567
1116	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1117	}	1569	}
1118		1570
1119	sub find_active($) {	1571	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1124		1576
1125	sub exists($) {	1577	sub exists($) {
1126	my ($login) = @_;	1578	my ($login) = @_;
1127		1579
1128	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1130	}	1582	}
1131		1583
1132	sub find($) {	1584	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1586	my $login = $_[0];
1135		1587
1136	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1137		1589
1138	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1142	}	1607	}
1143	}	1608	}
1144	}	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	);
1145		1623
1146	sub save($) {	1624	sub save($) {
1147	my ($pl) = @_;	1625	my ($pl) = @_;
1148		1626
1149	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1155		1633
1156	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1158		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
1159	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1160	Coro::cede;	1643	cf::cede_to_tick;
1161	}	1644	}
1162		1645
1163	sub new($) {	1646	sub new($) {
1164	my ($login) = @_;	1647	my ($login) = @_;
1165		1648
…		…
1171	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1172		1655
1173	$self	1656	$self
1174	}	1657	}
1175		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
1176	=item $pl->quit_character	1669	=item $pl->quit_character
1177		1670
1178	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
1179	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1180		1673
1181	=cut	1674	=cut
1182		1675
1183	sub quit_character {	1676	sub quit_character {
1184	my ($pl) = @_;	1677	my ($pl) = @_;
1185		1678
		1679	my $name = $pl->ob->name;
		1680
1186	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1187	$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
1188		1683
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1190	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1192	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1193		1692
1194	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1719	}
1201		1720
1202	=item cf::player::list_logins	1721	=item cf::player::list_logins
1203		1722
1204	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
1205	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1206		1725
1207	=cut	1726	=cut
1208		1727
1209	sub list_logins {	1728	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1730	or return [];
1212		1731
1213	my @logins;	1732	my @logins;
1214		1733
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1219		1744
1220	utf8::decode $login;	1745	utf8::decode $login;
1221	push @logins, $login;	1746	push @logins, $login;
1222	}	1747	}
1223		1748
1224	\@logins	1749	\@logins
1225	}	1750	}
1226		1751
1227	=item $player->maps	1752	=item $player->maps
1228		1753
		1754	=item cf::player::maps $login
		1755
1229	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
1230	player. May block.	1757	player. May block.
1231		1758
1232	=cut	1759	=cut
1233		1760
1234	sub maps($) {	1761	sub maps($) {
1235	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1765
1237	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1238	or return;	1767	or return;
1239		1768
1240	my @paths;	1769	my @paths;
1241		1770
1242	for (@$files) {	1771	for (@$files) {
1243	utf8::decode $_;	1772	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1774	next unless /^$PATH_SEP/o;
1246		1775
1247	s/$PATH_SEP/\//g;	1776	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1777	}
1250		1778
1251	\@paths	1779	\@paths
1252	}	1780	}
1253		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1255		1787
1256	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1257		1789
1258	=cut	1790	=cut
1259		1791
1260	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1262		1794
1263	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1796	}
1267		1797
1268	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		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	}
1269		1840
1270	=back	1841	=back
1271
1272		1842
1273	=head3 cf::map	1843	=head3 cf::map
1274		1844
1275	=over 4	1845	=over 4
1276		1846
…		…
1279	package cf::map;	1849	package cf::map;
1280		1850
1281	use Fcntl;	1851	use Fcntl;
1282	use Coro::AIO;	1852	use Coro::AIO;
1283		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1284	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1286		1860
1287	sub generate_random_map {	1861	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1865
1290	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1867	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1875	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1876	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1877	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1878	(cf::region::find $rmp->{region}), $rmp->{custom}
		1879	)
1304	}	1880	}
1305		1881
1306	# and all this just because we cannot iterate over	1882	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1883
1311	$_->change_map_light ($change)	1884	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1885	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1886	default).
1314		1887
1315	sub try_load_header($) {	1888	=cut
		1889
		1890	sub register {
		1891	my (undef, $regex, $prio) = @_;
		1892	my $pkg = caller;
		1893
		1894	push @{"$pkg\::ISA"}, __PACKAGE__;
		1895
		1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1897	}
		1898
		1899	# also paths starting with '/'
		1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1901
		1902	sub thawer_merge {
		1903	my ($self, $merge) = @_;
		1904
		1905	# we have to keep some variables in memory intact
		1906	local $self->{path};
		1907	local $self->{load_path};
		1908
		1909	$self->SUPER::thawer_merge ($merge);
		1910	}
		1911
		1912	sub normalise {
1316	my ($path) = @_;	1913	my ($path, $base) = @_;
		1914
		1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
		1918
		1919	# map plan:
		1920	#
		1921	# /! non-realised random map exit (special hack!)
		1922	# {... are special paths that are not being touched
		1923	# ?xxx/... are special absolute paths
		1924	# ?random/... random maps
		1925	# /... normal maps
		1926	# ~user/... per-player map of a specific user
		1927
		1928	$path =~ s/$PATH_SEP/\//go;
		1929
		1930	# treat it as relative path if it starts with
		1931	# something that looks reasonable
		1932	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1933	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1934
		1935	$base =~ s{[^/]+/?$}{};
		1936	$path = "$base/$path";
		1937	}
		1938
		1939	for ($path) {
		1940	redo if s{/\.?/}{/};
		1941	redo if s{/[^/]+/\.\./}{/};
		1942	}
		1943
		1944	$path
		1945	}
		1946
		1947	sub new_from_path {
		1948	my (undef, $path, $base) = @_;
		1949
		1950	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1951
		1952	$path = normalise $path, $base;
		1953
		1954	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1955	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1956	my $self = bless cf::map::new, $pkg;
		1957	$self->{path} = $path; $self->path ($path);
		1958	$self->init; # pass $1 etc.
		1959	return $self;
		1960	}
		1961	}
		1962
		1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1964	()
		1965	}
		1966
		1967	sub init {
		1968	my ($self) = @_;
		1969
		1970	$self
		1971	}
		1972
		1973	sub as_string {
		1974	my ($self) = @_;
		1975
		1976	"$self->{path}"
		1977	}
		1978
		1979	# the displayed name, this is a one way mapping
		1980	sub visible_name {
		1981	&as_string
		1982	}
		1983
		1984	# the original (read-only) location
		1985	sub load_path {
		1986	my ($self) = @_;
		1987
		1988	"$MAPDIR/$self->{path}.map"
		1989	}
		1990
		1991	# the temporary/swap location
		1992	sub save_path {
		1993	my ($self) = @_;
		1994
		1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1996	"$TMPDIR/$path.map"
		1997	}
		1998
		1999	# the unique path, undef == no special unique path
		2000	sub uniq_path {
		2001	my ($self) = @_;
		2002
		2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2004	"$UNIQUEDIR/$path"
		2005	}
		2006
		2007	sub decay_objects {
		2008	my ($self) = @_;
		2009
		2010	return if $self->{deny_reset};
		2011
		2012	$self->do_decay_objects;
		2013	}
		2014
		2015	sub unlink_save {
		2016	my ($self) = @_;
		2017
		2018	utf8::encode (my $save = $self->save_path);
		2019	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2021	}
		2022
		2023	sub load_header_from($) {
		2024	my ($self, $path) = @_;
1317		2025
1318	utf8::encode $path;	2026	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1320	or return;	2028	or return;
1321		2029
1322	my $map = cf::map::new	2030	$self->_load_header ($f)
1323	or return;	2031	or return;
1324		2032
1325	# for better error messages only, will be overwritten	2033	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	2034	$f->resolve_delayed_derefs;
1327		2035
1328	$map->load_header ($path)	2036	$self->{load_path} = $path;
		2037
		2038	1
		2039	}
		2040
		2041	sub load_header_orig {
		2042	my ($self) = @_;
		2043
		2044	$self->load_header_from ($self->load_path)
		2045	}
		2046
		2047	sub load_header_temp {
		2048	my ($self) = @_;
		2049
		2050	$self->load_header_from ($self->save_path)
		2051	}
		2052
		2053	sub prepare_temp {
		2054	my ($self) = @_;
		2055
		2056	$self->last_access ((delete $self->{last_access})
		2057	|| $cf::RUNTIME); #d#
		2058	# safety
		2059	$self->{instantiate_time} = $cf::RUNTIME
		2060	if $self->{instantiate_time} > $cf::RUNTIME;
		2061	}
		2062
		2063	sub prepare_orig {
		2064	my ($self) = @_;
		2065
		2066	$self->{load_original} = 1;
		2067	$self->{instantiate_time} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069	$self->instantiate;
		2070	}
		2071
		2072	sub load_header {
		2073	my ($self) = @_;
		2074
		2075	if ($self->load_header_temp) {
		2076	$self->prepare_temp;
		2077	} else {
		2078	$self->load_header_orig
1329	or return;	2079	or return;
		2080	$self->prepare_orig;
		2081	}
1330		2082
1331	$map->{load_path} = $path;	2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
1332		2085
1333	$map	2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
		2089	1
1334	}	2090	}
1335		2091
1336	sub find;	2092	sub find;
1337	sub find {	2093	sub find {
1338	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1339		2095
1340	#warn "find<$path,$origin>\n";#d#	2096	cf::cede_to_tick;
1341		2097
1342	$path = new cf::path $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2099
1345	cf::lock_wait "map_find:$key";	2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2102
1350	# do it the slow way	2103	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2104	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2105	or return;
1369		2106
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1382		2108
1383	Coro::cede;	2109	$map->load_header
		2110	or return;
1384		2111
1385	if ($map->should_reset) {	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2113	# doing this can freeze the server in a sync job, obviously
		2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1386	$map->reset;	2117	$map->reset;
1387	undef $guard;
1388	$map = find $path	2118	return find $path;
1389	or return;
1390	}	2119	}
1391		2120
1392	$cf::MAP{$key} = $map	2121	$cf::MAP{$path} = $map
1393	}	2122	}
1394	}	2123	}
		2124
		2125	sub pre_load { }
		2126	#sub post_load { } # XS
1395		2127
1396	sub load {	2128	sub load {
1397	my ($self) = @_;	2129	my ($self) = @_;
1398		2130
		2131	local $self->{deny_reset} = 1; # loading can take a long time
		2132
1399	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2136	my $guard = cf::lock_acquire "map_data:$path";
1401		2137
		2138	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2140
1404	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1405		2142
1406	$self->alloc;	2143	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2144
		2145	$self->pre_load;
		2146	cf::cede_to_tick;
		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1408	or return;	2151	or return;
1409		2152
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1411	if delete $self->{load_original};	2154	if delete $self->{load_original};
1412		2155
1413	if (my $uniq = $path->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2157	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2160	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1418	}	2164	}
1419	}	2165	}
1420		2166
1421	Coro::cede;	2167	$f->resolve_delayed_derefs;
1422		2168
		2169	cf::cede_to_tick;
1423	# now do the right thing for maps	2170	# now do the right thing for maps
1424	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2173	unless $self->difficulty;
		2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1436	$self->activate;	2181	$self->activate;
1437	}	2182	}
1438		2183
1439	Coro::cede;	2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
1440		2186
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
		2188	}
		2189
		2190	$self->post_load;
		2191	}
		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
		2196	sub customise_for {
		2197	my ($self, $ob) = @_;
		2198
		2199	return find "~" . $ob->name . "/" . $self->{path}
		2200	if $self->per_player;
		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
		2205	$self
		2206	}
		2207
		2208	# find and load all maps in the 3x3 area around a map
		2209	sub load_neighbours {
		2210	my ($map) = @_;
		2211
		2212	my @neigh; # diagonal neighbours
		2213
		2214	for (0 .. 3) {
		2215	my $neigh = $map->tile_path ($_)
		2216	or next;
		2217	$neigh = find $neigh, $map
		2218	or next;
		2219	$neigh->load;
		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
		2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2225	}
		2226
		2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
		2229	my $neigh = find $path, $origin
		2230	or next;
		2231	$neigh->load;
		2232	}
1442	}	2233	}
1443		2234
1444	sub find_sync {	2235	sub find_sync {
1445	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1446		2237
1447	cf::sync_job { cf::map::find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1448	}	2242	}
1449		2243
1450	sub do_load_sync {	2244	sub do_load_sync {
1451	my ($map) = @_;	2245	my ($map) = @_;
1452		2246
1453	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
		2251	}
		2252
		2253	our %MAP_PREFETCH;
		2254	our $MAP_PREFETCHER = undef;
		2255
		2256	sub find_async {
		2257	my ($path, $origin, $load) = @_;
		2258
		2259	$path = normalise $path, $origin && $origin->{path};
		2260
		2261	if (my $map = $cf::MAP{$path}) {
		2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2263	}
		2264
		2265	$MAP_PREFETCH{$path} |= $load;
		2266
		2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
		2270	while (%MAP_PREFETCH) {
		2271	while (my ($k, $v) = each %MAP_PREFETCH) {
		2272	if (my $map = find $k) {
		2273	$map->load if $v;
		2274	}
		2275
		2276	delete $MAP_PREFETCH{$k};
		2277	}
		2278	}
		2279	undef $MAP_PREFETCHER;
		2280	};
		2281	$MAP_PREFETCHER->prio (6);
		2282
		2283	()
		2284	}
		2285
		2286	# common code, used by both ->save and ->swapout
		2287	sub _save {
		2288	my ($self) = @_;
		2289
		2290	$self->{last_save} = $cf::RUNTIME;
		2291
		2292	return unless $self->dirty;
		2293
		2294	my $save = $self->save_path; utf8::encode $save;
		2295	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2296
		2297	$self->{load_path} = $save;
		2298
		2299	return if $self->{deny_save};
		2300
		2301	local $self->{last_access} = $self->last_access;#d#
		2302
		2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
		2305	$_->contr->save for $self->players;
		2306	};
		2307
		2308	cf::get_slot 0.02;
		2309
		2310	if ($uniq) {
		2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2313	} else {
		2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2315	}
1454	}	2316	}
1455		2317
1456	sub save {	2318	sub save {
1457	my ($self) = @_;	2319	my ($self) = @_;
1458		2320
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2322
1461	$self->{last_save} = $cf::RUNTIME;	2323	$self->_save;
1462
1463	return unless $self->dirty;
1464
1465	my $save = $self->{path}->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1467
1468	$self->{load_path} = $save;
1469
1470	return if $self->{deny_save};
1471
1472	local $self->{last_access} = $self->last_access;#d#
1473
1474	cf::async {
1475	$_->contr->save for $self->players;
1476	};
1477
1478	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}
1484	}	2324	}
1485		2325
1486	sub swap_out {	2326	sub swap_out {
1487	my ($self) = @_;	2327	my ($self) = @_;
1488		2328
1489	# save first because save cedes
1490	$self->save;
1491
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1494	return if $self->players;	2333	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};
1497		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1498	$self->clear;	2344	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2345	}
1501		2346
1502	sub reset_at {	2347	sub reset_at {
1503	my ($self) = @_;	2348	my ($self) = @_;
1504		2349
1505	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1508		2352
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2355
…		…
1516	my ($self) = @_;	2360	my ($self) = @_;
1517		2361
1518	$self->reset_at <= $cf::RUNTIME	2362	$self->reset_at <= $cf::RUNTIME
1519	}	2363	}
1520		2364
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2365	sub reset {
1543	my ($self) = @_;	2366	my ($self) = @_;
1544		2367
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2369
1547	return if $self->players;	2370	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2371
1550	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
		2373
		2374	$self->in_memory (cf::MAP_SWAPPED);
		2375
		2376	# need to save uniques path
		2377	unless ($self->{deny_save}) {
		2378	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2379
		2380	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2381	if $uniq;
		2382	}
1551		2383
1552	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1553		2385
		2386	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2387	$_->clear_links_to ($self) for values %cf::MAP;
		2388	$self->clear;
1555		2389
1556	$self->unlink_save;	2390	$self->unlink_save;
1557	$self->destroy;	2391	$self->destroy;
1558	}	2392	}
1559		2393
1560	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1561		2395
1562	sub nuke {	2396	sub nuke {
1563	my ($self) = @_;	2397	my ($self) = @_;
1564		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
		2402	delete $cf::MAP{$self->path};
		2403
		2404	$self->unlink_save;
		2405
		2406	bless $self, "cf::map::wrap";
		2407	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2411
		2412	$cf::MAP{$self->path} = $self;
		2413	}
		2414
1568	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
1569	}	2416	}
1570		2417
1571	sub customise_for {	2418	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2419
1574	if ($map->per_player) {	2420	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
1576	}	2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
1577		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
		2452	}
		2453
		2454	=item cf::map::unique_maps
		2455
		2456	Returns an arrayref of paths of all shared maps that have
		2457	instantiated unique items. May block.
		2458
		2459	=cut
		2460
		2461	sub unique_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	s/\.map$//; # TODO future compatibility hack
		2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2467	? ()
		2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
1578	$map	2502	\@maps
1579	}	2503	}
1580
1581	package cf;
1582		2504
1583	=back	2505	=back
1584		2506
1585	=head3 cf::object	2507	=head3 cf::object
1586		2508
…		…
1590		2512
1591	=over 4	2513	=over 4
1592		2514
1593	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1594		2516
1595	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1596		2519
1597	=cut	2520	=cut
1598		2521
1599	sub inv_recursive_;	2522	sub inv_recursive_;
1600	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1603		2526
1604	sub inv_recursive {	2527	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1606	}	2529	}
1607		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1608	package cf;	2559	package cf;
1609		2560
1610	=back	2561	=back
1611		2562
1612	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1621		2572
1622	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1623		2588
1624	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2590	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1629		2594
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2596
1632	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1634	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1637	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1638	}	2622	}
1639		2623
1640	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1641		2625
1642	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1655		2639
1656	=item $player_object->enter_link	2640	=item $player_object->enter_link
1657		2641
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2643
1660	The player should be reaosnably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
		2648
		2649	Will never block.
1662		2650
1663	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1664		2652
1665	Moves the player out of the specila link map onto the given map. If the	2653	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2654	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2655	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2656	fails, to the emergency map position.
1669		2657
1670	Might block.	2658	Might block.
1671		2659
1672	=cut	2660	=cut
		2661
		2662	sub link_map {
		2663	unless ($LINK_MAP) {
		2664	$LINK_MAP = cf::map::find "{link}"
		2665	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2666	$LINK_MAP->load;
		2667	}
		2668
		2669	$LINK_MAP
		2670	}
1673		2671
1674	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2673	my ($self) = @_;
1676		2674
1677	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1678		2676
1679	return if $self->map == $LINK_MAP;	2677	++$self->{_link_recursion};
		2678
		2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2680
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1683		2683
1684	$self->enter_map ($LINK_MAP, 20, 20);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1685	}	2685	}
1686		2686
1687	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1689		2691
1690	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1691		2693
1692	unless ($map) {	2694	unless ($map) {
1693	# restore original map position	2695	# restore original map position
…		…
1704	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1705	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1706		2708
1707	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1710		2712
1711	$map->load;	2713	$map->load;
		2714	$map->load_neighbours;
1712		2715
1713	return unless $self->contr->active;	2716	return unless $self->contr->active;
		2717
		2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2719	if ($self->enter_map ($map, $x, $y)) {
		2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
1714	$self->activate_recursive;	2723	$self->activate_recursive;
1715	$self->enter_map ($map, $x, $y);
1716	}
1717
1718	cf::player->attach (
1719	on_logout => sub {
1720	my ($pl) = @_;
1721
1722	# abort map switching before logout
1723	if ($pl->ob->{_link_pos}) {
1724	cf::sync_job {
1725	$pl->ob->leave_link
1726	};
1727	}
1728	},	2724	}
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2725
1732	# try to abort aborted map switching on player login :)	2726	}
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2727
1750	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1751		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1752	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1753		2742
1754	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2745
1757	$path = new cf::path $path;	2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
1758	$path ne "/" or Carp::cluck ("oy");#d#	2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2754
1760	$self->enter_link;	2755	$self->enter_link;
1761		2756
1762	(async {	2757	(async {
1763	my $map = cf::map::find $path->as_string;	2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
		2779	my $map = eval {
		2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
1765		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2785	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
1770		2788
		2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
		2795	}
		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1772	})->prio (1);	2803	})->prio (1);
1773	}	2804	}
1774		2805
1775	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1776		2807
…		…
1778		2809
1779	sub parse_random_map_params {	2810	sub parse_random_map_params {
1780	my ($spec) = @_;	2811	my ($spec) = @_;
1781		2812
1782	my $rmp = { # defaults	2813	my $rmp = { # defaults
1783	xsize => 10,	2814	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2815	ysize => (cf::rndm 15, 40),
		2816	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2817	#layout => string,
1785	};	2818	};
1786		2819
1787	for (split /\n/, $spec) {	2820	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2821	my ($k, $v) = split /\s+/, $_, 2;
1789		2822
…		…
1801	# that depends on the exit object	2834	# that depends on the exit object
1802		2835
1803	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
1804		2837
1805	if ($exit->map) {	2838	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2839	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1810	}	2845	}
1811		2846
1812	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1813		2848
1814	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
		2851	my $meta = "$RANDOMDIR/$md5.meta";
1816		2852
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
		2855	undef $fh;
		2856	aio_rename "$meta~", $meta;
1819		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
1822	}	2864	}
1823	}	2865	}
1824		2866
1825	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
1829		2871
1830	$self->enter_link;	2872	$self->enter_link;
1831		2873
1832	(async {	2874	(async {
1833	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
1834	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
1835	prepare_random_map $exit	2884	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2885	if $exit->slaying eq "/!";
		2886	}
1837		2887
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
1840		2891
		2892	$self->goto ($map, $x, $y);
		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
1841	1;	2898	1
1842	}) {	2899	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2902	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2904
1848	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
1849	$self->leave_link;	2906	$self->leave_link;
1850	}	2907	}
1851	})->prio (1);	2908	})->prio (1);
1852	}	2909	}
1853		2910
…		…
1864		2921
1865	sub cf::client::send_drawinfo {	2922	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2923	my ($self, $text, $flags) = @_;
1867		2924
1868	utf8::encode $text;	2925	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2927	}
1871		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
		3116	=item $client->ext_msg ($type, @msg)
		3117
		3118	Sends an ext event to the client.
		3119
		3120	=cut
		3121
		3122	sub cf::client::ext_msg($$@) {
		3123	my ($self, $type, @msg) = @_;
		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
		3128	push @msg, msgtype => "event_$type";
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
		3149	}
1872		3150
1873	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
1874		3152
1875	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		3156
1879	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	3158	become reliable at some point in the future.
1881		3159
1882	=cut	3160	=cut
1883		3161
1884	sub cf::client::query {	3162	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	3171	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		3173
1896	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
1898	}	3178	}
1899		3179
1900	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
1901	on_reply => sub {	3186	on_reply => sub {
1902	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
1903		3188
1904	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
1905	# get handled first	3190	# get handled first
1906	my $queue = delete $ns->{query_queue}	3191	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3193
1909	(shift @$queue)->[1]->($msg);	3194	(shift @$queue)->[1]->($msg);
		3195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3196
1911	push @{ $ns->{query_queue} }, @$queue;	3197	push @{ $ns->{query_queue} }, @$queue;
1912		3198
1913	if (@{ $ns->{query_queue} } == @$queue) {	3199	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3200	if (@$queue) {
…		…
1916	} else {	3202	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3204	}
1919	}	3205	}
1920	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
1921	);	3233	);
1922		3234
1923	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
1924		3236
1925	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
1941		3253
1942	$coro	3254	$coro
1943	}	3255	}
1944		3256
1945	cf::client->attach (	3257	cf::client->attach (
1946	on_destroy => sub {	3258	on_client_destroy => sub {
1947	my ($ns) = @_;	3259	my ($ns) = @_;
1948		3260
1949	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1950	},	3262	},
1951	);	3263	);
…		…
1966	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
1968		3280
1969	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
1970		3282
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
1972		3288
1973	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
1974		3290
1975	=pod	3291	=pod
1976		3292
1977	The following fucntions and emthods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
1978		3294
1979	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
1980	cf::object::player player	3300	cf::object::player
1981	cf::player peaceful	3301	player
1982	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
1983		3308
1984	=cut	3309	=cut
1985		3310
1986	for (	3311	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
1991	) {	3318	) {
1992	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1995	for @funs;	3321	for @funs;
1996	}	3322	}
1997		3323
…		…
2012		3338
2013	my $qcode = $code;	3339	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2016		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2017	local $_;	3346	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;
2019		3347
2020	my $eval =	3348	my $eval =
2021	"do {\n"	3349	"do {\n"
2022	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2023	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2024	. $code	3352	. $code
2025	. "\n}"	3353	. "\n}"
2026	;	3354	;
2027		3355
		3356	if ($CFG{safe_eval}) {
2028	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2029	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2030	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2031		3365
2032	if ($@) {	3366	if ($@) {
2033	warn "$@";	3367	warn "$@",
2034	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2035	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2036	}	3370	}
2037		3371
2038	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2039	}	3373	}
2040		3374
…		…
2054	=cut	3388	=cut
2055		3389
2056	sub register_script_function {	3390	sub register_script_function {
2057	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2058		3392
2059	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2060	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2061	}	3395	}
2062		3396
2063	=back	3397	=back
2064		3398
2065	=cut	3399	=cut
2066		3400
2067	#############################################################################	3401	#############################################################################
		3402	# the server's init and main functions
2068		3403
2069	=head2 EXTENSION DATABASE SUPPORT	3404	sub load_facedata($) {
		3405	my ($path) = @_;
2070		3406
2071	Crossfire maintains a very simple database for extension use. It can	3407	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3408	# for this (global event?)
2073	excludes objects.	3409	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3410
2075	The parameter C<$family> should best start with the name of the extension	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3412
2078	=over 4	3413	trace "loading facedata from $path\n";
2079		3414
2080	=item $hashref = cf::db_get $family	3415	0 < aio_load $path, my $facedata
		3416	or die "$path: $!";
2081		3417
2082	Return a hashref for use by the extension C<$family>, which can be	3418	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3419
2086	=item $value = cf::db_get $family => $key	3420	$facedata->{version} == 2
		3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3422
2088	Returns a single value from the database	3423	# patch in the exptable
2089		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2090	=item cf::db_put $family => $hashref	3425	$facedata->{resource}{"res/exp_table"} = {
2091		3426	type => FT_RSRC,
2092	Stores the given family hashref into the database. Updates are delayed, if	3427	data => $exp_table,
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3428	hash => (Digest::MD5::md5 $exp_table),
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3429	};
		3430	cf::cede_to_tick;
2141		3431
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3432	{
		3433	my $faces = $facedata->{faceinfo};
2146		3434
2147	sub db_get($;$) {	3435	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3437
2153	sub db_put($$;$) {	3438	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2156	} else {	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3442
2162	cf::global->attach (	3443	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3444	}
2167	);
2168	}
2169		3445
2170	#############################################################################	3446	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3447	next unless $info->{smooth};
2172		3448
2173	sub cfg_load {	3449	my $idx = cf::face::find $face
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3450	or next;
2175	or return;
2176		3451
2177	local $/;	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2178	*CFG = YAML::Syck::Load <$fh>;	3453	cf::face::set_smooth $idx, $smooth;
		3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3455	} else {
		3456	error "smooth face '$info->{smooth}' not found for face '$face'";
		3457	}
2179		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	{
		3464	my $anims = $facedata->{animinfo};
		3465
		3466	while (my ($anim, $info) = each %$anims) {
		3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3468	cf::cede_to_tick;
		3469	}
		3470
		3471	cf::anim::invalidate_all; # d'oh
		3472	}
		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
		3493	1
		3494	}
		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
		3528	sub reload_facedata {
		3529	load_facedata "$DATADIR/facedata"
		3530	or die "unable to load facedata\n";
		3531	}
		3532
		3533	sub reload_archetypes {
		3534	load_resource_file "$DATADIR/archetypes"
		3535	or die "unable to load archetypes\n";
		3536	}
		3537
		3538	sub reload_treasures {
		3539	load_resource_file "$DATADIR/treasures"
		3540	or die "unable to load treasurelists\n";
		3541	}
		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
		3566	sub reload_resources {
		3567	trace "reloading resource files...\n";
		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
		3583	0 < aio_load "$CONFDIR/config", my $config
		3584	or die "$CONFDIR/config: $!";
		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2181		3590
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2184		3593
2185	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2189	};	3598	};
2190	warn $@ if $@;	3599	warn $@ if $@;
2191	}	3600	}
2192	}	3601	}
2193		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2194	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2195	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3644	(async {
		3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
		3647	})->prio (Coro::PRIO_MAX);
2199	};	3648	};
2200		3649
2201	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
		3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2203	load_extensions;	3673	load_extensions;
2204	Event::loop;	3674
		3675	utime time, time, $RUNTIMEFILE;
		3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2205	}	3693	}
2206		3694
2207	#############################################################################	3695	#############################################################################
2208	# initialisation and cleanup	3696	# initialisation and cleanup
2209		3697
2210	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2211	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2218	},
2219	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2220	}	3743	1
2221	}	3744	}
2222		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
		3794	}
		3795
2223	sub emergency_save {	3796	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2225		3798
2226	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2227		3805
2228	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2229	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3817	$pl->save;
2237	}	3818	}
2238	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2239		3820
2240	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3826	$map->valid or next;
2244	$map->save;	3827	$map->save;
2245	}	3828	}
2246	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2247	};	3859	};
2248		3860
2249	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2250	}	3862	}
2251		3863
		3864	sub post_cleanup {
		3865	my ($make_core) = @_;
		3866
		3867	IO::AIO::flush;
		3868
		3869	error Carp::longmess "post_cleanup backtrace"
		3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
		3899	}
		3900
2252	sub reload() {	3901	sub do_reload_perl() {
2253	# can/must only be called in main	3902	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2255	warn "can only reload from main coroutine\n";	3904	error "can only reload from main coroutine";
2256	return;	3905	return;
2257	}	3906	}
2258		3907
2259	warn "reloading...";	3908	return if $RELOAD++;
2260		3909
2261	my $guard = freeze_mainloop;	3910	my $t1 = AE::time;
		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
		3918	cf::sync_job {
2262	cf::emergency_save;	3919	#cf::emergency_save;
2263		3920
2264	eval {	3921	trace "perl_reload: cancelling all extension coros";
2265	# if anything goes wrong in here, we should simply crash as we already saved
2266
2267	# cancel all watchers
2268	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3923	%EXT_CORO = ();
2275		3924
2276	# unload all extensions	3925	trace "perl_reload: removing commands";
2277	for (@exts) {	3926	%COMMAND = ();
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281		3927
2282	# unload all modules loaded from $LIBDIR	3928	trace "perl_reload: removing ext/exti commands";
2283	while (my ($k, $v) = each %INC) {	3929	%EXTCMD = ();
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3930	%EXTICMD = ();
2285		3931
2286	warn "removing <$k>";	3932	trace "perl_reload: unloading/nuking all extensions";
2287	delete $INC{$k};	3933	for my $pkg (@EXTS) {
		3934	trace "... unloading $pkg";
2288		3935
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {	3936	if (my $cb = $pkg->can ("unload")) {
		3937	eval {
2293	$cb->();	3938	$cb->($pkg);
		3939	1
		3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2294	}	3945	}
2295		3946
2296	Symbol::delete_package $k;	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3948	while (my ($k, $v) = each %INC) {
		3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3950
		3951	trace "... unloading $k";
		3952	delete $INC{$k};
		3953
		3954	$k =~ s/\.pm$//;
		3955	$k =~ s/\//::/g;
		3956
		3957	if (my $cb = $k->can ("unload_module")) {
		3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2297	}	3962	}
2298		3963
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3967
2307	# remove register_script_function callbacks	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		3971
2313	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3973	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2316		3975
2317	# reload cf.pm	3976	info "perl_reload: unload completed, starting to reload now";
2318	warn "reloading cf.pm";	3977
		3978	trace "perl_reload: reloading cf.pm";
2319	require cf;	3979	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2321		3981
2322	# load config and database again	3982	trace "perl_reload: loading config and database again";
2323	cf::cfg_load;	3983	cf::reload_config;
2324	cf::db_load;
2325		3984
2326	# load extensions	3985	trace "perl_reload: loading extensions";
2327	warn "load extensions";
2328	cf::load_extensions;	3986	cf::load_extensions;
2329		3987
2330	# reattach attachments to objects	3988	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3989	trace "perl_reload: reattaching attachments to objects/players";
2332	_global_reattach;	3990	_global_reattach; # objects, sockets
		3991	trace "perl_reload: reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
		3993	trace "perl_reload: reattaching attachments to players";
		3994	reattach $_ for values %PLAYER;
		3995	}
		3996
		3997	cf::_post_init 1;
		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
		4001	1
		4002	} or do {
		4003	error $@;
		4004	cf::cleanup "perl_reload: error, exiting.";
		4005	};
		4006
		4007	--$RELOAD;
		4008	}
		4009
		4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
		4012	};
		4013
		4014	our $RELOAD_WATCHER; # used only during reload
		4015
		4016	sub reload_perl() {
		4017	# doing reload synchronously and two reloads happen back-to-back,
		4018	# coro crashes during coro_state_free->destroy here.
		4019
		4020	$RELOAD_WATCHER ||= cf::async {
		4021	Coro::AIO::aio_wait cache_extensions;
		4022
		4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4024	do_reload_perl;
		4025	undef $RELOAD_WATCHER;
		4026	};
2334	};	4027	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	4028	}
2387
2388	register "<global>", __PACKAGE__;
2389		4029
2390	register_command "reload" => sub {	4030	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2392		4032
2393	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
		4037	reload_perl;
		4038	};
2397	}	4039	}
2398	};	4040	};
2399		4041
2400	unshift @INC, $LIBDIR;	4042	#############################################################################
2401		4043
2402	$TICK_WATCHER = Event->timer (	4044	my $bug_warning = 0;
2403	reentrant => 0,	4045
2404	prio => 0,	4046	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	4047	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	4048
2407	cb => sub {	4049	sub wait_for_tick() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub wait_for_tick_begin() {
		4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4059
		4060	my $signal = new Coro::Signal;
		4061	push @WAIT_FOR_TICK_BEGIN, $signal;
		4062	$signal->wait;
		4063	}
		4064
		4065	sub tick {
		4066	if ($Coro::current != $Coro::main) {
		4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4068	unless ++$bug_warning > 10;
		4069	return;
		4070	}
		4071
2408	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		4073
2412	$WAIT_FOR_TICK->broadcast;	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2414		4075
2415	# if we are delayed by four ticks or more, skip them all	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2417		4078	Coro::async_pool {
2418	$TICK_WATCHER->at ($NEXT_TICK);	4079	$Coro::current->{desc} = "runtime saver";
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	4080	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2441	})->();	4082	};
2442	},	4083	}
2443	);	4084
		4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4086	$sig->send;
		4087	}
		4088	while (my $sig = shift @WAIT_FOR_TICK) {
		4089	$sig->send;
		4090	}
		4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
		4103
		4104	{
		4105	# configure BDB
		4106
		4107	BDB::min_parallel 16;
		4108	BDB::max_poll_reqs $TICK * 0.1;
		4109	$AnyEvent::BDB::WATCHER->priority (1);
		4110
		4111	unless ($DB_ENV) {
		4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4118
		4119	cf::sync_job {
		4120	eval {
		4121	BDB::db_env_open
		4122	$DB_ENV,
		4123	$BDBDIR,
		4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4126	0666;
		4127
		4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4129	};
		4130
		4131	cf::cleanup "db_env_open(db): $@" if $@;
		4132	};
		4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
		4144	}
		4145
		4146	{
		4147	# configure IO::AIO
		4148
		4149	IO::AIO::min_parallel 8;
		4150	IO::AIO::max_poll_time $TICK * 0.1;
		4151	undef $AnyEvent::AIO::WATCHER;
		4152	}
		4153
		4154	my $_log_backtrace;
		4155
		4156	sub _log_backtrace {
		4157	my ($msg, @addr) = @_;
		4158
		4159	$msg =~ s/\n//;
		4160
		4161	# limit the # of concurrent backtraces
		4162	if ($_log_backtrace < 2) {
		4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
		4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
		4168	my @bt = fork_call {
		4169	@addr = map { sprintf "%x", $_ } @addr;
		4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4172	or die "addr2line: $!";
		4173
		4174	my @funcs;
		4175	my @res = <$fh>;
		4176	chomp for @res;
		4177	while (@res) {
		4178	my ($func, $line) = splice @res, 0, 2, ();
		4179	push @funcs, "[$func] $line";
		4180	}
		4181
		4182	@funcs
		4183	};
		4184
		4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4187	LOG llevInfo, "[ABT] $_\n" for @bt;
		4188	--$_log_backtrace;
		4189	};
		4190	} else {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [suppressed]\n";
		4193	}
		4194	}
		4195
		4196	# load additional modules
		4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
2444		4199
2445	END { cf::emergency_save }	4200	END { cf::emergency_save }
2446		4201
2447	1	4202	1
2448		4203

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