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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.182 by root, Fri Jan 19 15:38:01 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	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);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	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
101	every server tick.	201	every server tick.
102		202
103	=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
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	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
124	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
125	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.
126	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.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	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	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		300
151	# 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
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$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;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	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	}
217	}	403	}
218		404
219	=item cf::lock_wait $string	405	=item cf::lock_wait $string
220		406
221	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
222		408
223	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
224		410
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
228	returned.	414	returned.
229		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
230	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
231	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
232		421
233	=cut	422	=item $locked = cf::lock_active $string
234		423
235	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
236		429
237	sub lock_wait($) {	430	sub lock_wait($) {
238	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	432	}
246		433
247	sub lock_acquire($) {	434	sub lock_acquire($) {
248	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
249		437
250	# wait, to be sure we are not locked	438	sub lock_active($) {
251	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	440	}
260		441
261	sub freeze_mainloop {	442	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
263		444
264	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	446	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
267	};	512	}
268	$WRITE_RUNTIME_WATCHER->stop;	513	};
269	$TICK_WATCHER->stop;	514
270	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		618
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
352	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.
353		623
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		625
358	aio_fsync $fh	626	sub post_fork {
359	and return;	627	reset_signals;
		628	}
360		629
361	close $fh	630	sub fork_call(&@) {
362	or return;	631	my ($cb, @args) = @_;
363		632
364	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
365	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
367	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 });
368	}	821	}
369		822
370	=back	823	=back
371		824
372	=cut	825	=cut
373		826
374	#############################################################################	827	#############################################################################
375		828
376	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
377		830
378	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
379	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")
380	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
381		834
382	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>
383	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
384	crossfire+).	837	Deliantra).
385		838
386	=over 4	839	=over 4
387		840
388	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
389		842
…		…
433	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
434		887
435	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
437		890
438	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		893
441	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
442		895
443	=over 4	896	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
553		1006
554	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1011
559	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
561		1014
562	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
567		1020
568	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1023
571	} elsif (ref $type) {	1024	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
573		1026
574	} else {	1027	} else {
575	shift @arg;	1028	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
577	}	1030	}
578	}	1031	}
579	}	1032	}
580		1033
581	sub _object_attach {	1034	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
592	}	1045	}
593		1046
594	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
595	} else {	1048	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1050	}
598		1051
599	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
600	}	1053	}
601		1054
…		…
603	if (ref $_[0]) {	1056	if (ref $_[0]) {
604	_object_attach @_;	1057	_object_attach @_;
605	} else {	1058	} else {
606	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
607	}	1060	}
		1061	_recalc_want;
608	};	1062	};
609		1063
610	# all those should be optimised	1064	# all those should be optimised
611	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1070	reattach ($obj);
617	} else {	1071	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
619	}	1073	}
		1074	_recalc_want;
620	};	1075	};
621		1076
622	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
624		1079
…		…
639	";	1094	";
640	die if $@;	1095	die if $@;
641	}	1096	}
642		1097
643	our $override;	1098	our $override;
644	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?
645		1100
646	sub override {	1101	sub override {
647	$override = 1;	1102	$override = 1;
648	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
649	}	1104	}
650		1105
651	sub do_invoke {	1106	sub do_invoke {
652	my $event = shift;	1107	my $event = shift;
653	my $callbacks = shift;	1108	my $callbacks = shift;
654		1109
655	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
656		1111
657	local $override;	1112	local $override;
658		1113
659	for (@$callbacks) {	1114	for (@$callbacks) {
660	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
661		1116
662	if ($@) {	1117	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1119	override;
666	}	1120	}
667		1121
668	return 1 if $override;	1122	return 1 if $override;
669	}	1123	}
670		1124
671	0	1125	0
672	}	1126	}
673		1127
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1129
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1131
678	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
679		1133
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1137
684	=back	1138	=back
685		1139
686	=cut	1140	=cut
687		1141
688	#############################################################################	1142	#############################################################################
689	# 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, $ob2
		1185	}
690		1186
691	sub reattach {	1187	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1189	my ($obj) = @_;
694		1190
		1191	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1193
697	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
698		1195
699	@$registry = ();	1196	@$registry = ();
700		1197
…		…
705	for (@$attach) {	1202	for (@$attach) {
706	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
708	}	1205	}
709	} else {	1206	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1208	}
712	}	1209	}
713	}	1210	}
714		1211
715	cf::attachable->attach (	1212	cf::attachable->attach (
716	prio => -1000000,	1213	prio => -1000000,
717	on_instantiate => sub {	1214	on_instantiate => sub {
718	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
719		1216
720	$data = from_json $data;	1217	$data = decode_json $data;
721		1218
722	for (@$data) {	1219	for (@$data) {
723	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
724		1221
725	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1238	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
743		1240
744	sync_job {	1241	sync_job {
745	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
748		1247
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
751	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;
752	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
753	close $fh;	1255	aio_close $fh;
754		1256
755	if (@$objs) {	1257	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
761	close $fh;	1266	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
763	}	1268	}
764	} else {	1269	} else {
765	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
766	}	1271	}
767		1272
768	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1277	} else {
770	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
771	}	1279	}
772	} else {	1280	} else {
773	aio_unlink $filename;	1281	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
775	}	1283	}
776	}	1284	};
777	}	1285	}
778		1286
779	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
781		1289
…		…
793	or return;	1301	or return;
794		1302
795	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
797	or return;	1305	or return;
		1306
798	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
799	}	1309	}
800		1310
		1311	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
803	return ($data, $av);	1316	($data, $av)
804	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
805		1324
806	#############################################################################	1325	#############################################################################
807	# command handling &c	1326	# command handling &c
808		1327
809	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1342	}
824		1343
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1345
827	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.
828		1351
829	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
830	called.	1353	called.
831		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
832	=cut	1366	=cut
833		1367
834	sub register_extcmd {	1368	sub register_extcmd {
835	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
836		1370
837	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
838	}	1372	}
839		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
840	cf::player->attach (	1382	cf::player->attach (
841	on_command => sub {	1383	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
843		1385
844	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
845	or return;	1387	or return;
846		1388
…		…
851	cf::override;	1393	cf::override;
852	},	1394	},
853	on_extcmd => sub {	1395	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
855		1397
856	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1399
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
864	} else {	1415	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1417	}
867		1418
868	cf::override;	1419	cf::override;
869	},	1420	},
870	);	1421	);
871		1422
		1423	# "readahead" all extensions
872	sub load_extension {	1424	sub cache_extensions {
873	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
874		1426
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1430	}
900	die $@;
901	}	1431	};
902		1432
903	push @EXTS, $pkg;	1433	$grp
904	}	1434	}
905		1435
906	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
907	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1443	next unless -r $path;
909	eval {	1444
910	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 $active;
		1507	}
911	1	1508	}
912	} or warn "$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	}
913	}	1519	};
914	}	1520	}
915		1521
916	#############################################################################	1522	#############################################################################
917		1523
		1524	=back
		1525
918	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
919		1527
920	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
921		1529
922	=cut	1530	=cut
923		1531
924	package cf::player;	1532	package cf::player;
925		1533
…		…
927		1535
928	=head3 cf::player	1536	=head3 cf::player
929		1537
930	=over 4	1538	=over 4
931		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
932	=item cf::player::find $login	1554	=item cf::player::find $login
933		1555
934	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
935		1557
936	=cut	1558	=cut
937		1559
938	sub playerdir($) {	1560	sub playerdir($) {
939	cf::localdir	1561	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1563	}
945		1564
946	sub path($) {	1565	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1567
949	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
950	}	1569	}
951		1570
952	sub find_active($) {	1571	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
957		1576
958	sub exists($) {	1577	sub exists($) {
959	my ($login) = @_;	1578	my ($login) = @_;
960		1579
961	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
963	}	1582	}
964		1583
965	sub find($) {	1584	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1586	my $login = $_[0];
968		1587
969	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
970		1589
971	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
975	}	1607	}
976	}	1608	}
977	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
978		1623
979	sub save($) {	1624	sub save($) {
980	my ($pl) = @_;	1625	my ($pl) = @_;
981		1626
982	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
988		1633
989	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
993	Coro::cede;	1643	cf::cede_to_tick;
994	}	1644	}
995		1645
996	sub new($) {	1646	sub new($) {
997	my ($login) = @_;	1647	my ($login) = @_;
998		1648
…		…
1004	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1005		1655
1006	$self	1656	$self
1007	}	1657	}
1008		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
1009	=item $pl->quit_character	1669	=item $pl->quit_character
1010		1670
1011	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1013		1673
1014	=cut	1674	=cut
1015		1675
1016	sub quit_character {	1676	sub quit_character {
1017	my ($pl) = @_;	1677	my ($pl) = @_;
1018		1678
		1679	my $name = $pl->ob->name;
		1680
1019	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1020	$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
1021		1683
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1025	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1026		1692
1027	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1719	}
1034		1720
1035	=item cf::player::list_logins	1721	=item cf::player::list_logins
1036		1722
1037	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
1038	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1039		1725
1040	=cut	1726	=cut
1041		1727
1042	sub list_logins {	1728	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1730	or return [];
1045		1731
1046	my @logins;	1732	my @logins;
1047		1733
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1052		1744
1053	utf8::decode $login;	1745	utf8::decode $login;
1054	push @logins, $login;	1746	push @logins, $login;
1055	}	1747	}
1056		1748
1057	\@logins	1749	\@logins
1058	}	1750	}
1059		1751
1060	=item $player->maps	1752	=item $player->maps
1061		1753
		1754	=item cf::player::maps $login
		1755
1062	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1063	player. May block.	1757	player. May block.
1064		1758
1065	=cut	1759	=cut
1066		1760
1067	sub maps($) {	1761	sub maps($) {
1068	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1765
1070	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1071	or return;	1767	or return;
1072		1768
1073	my @paths;	1769	my @paths;
…		…
1075	for (@$files) {	1771	for (@$files) {
1076	utf8::decode $_;	1772	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1079		1775
1080	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1777	}
1083		1778
1084	\@paths	1779	\@paths
1085	}	1780	}
1086		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1088		1787
1089	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1090		1789
1091	=cut	1790	=cut
1092		1791
1093	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1095		1794
1096	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1796	}
1100		1797
1101	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	}
1102		1840
1103	=back	1841	=back
1104
1105		1842
1106	=head3 cf::map	1843	=head3 cf::map
1107		1844
1108	=over 4	1845	=over 4
1109		1846
…		…
1121	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1123		1860
1124	sub generate_random_map {	1861	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1126	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1867	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1139	)	1870	)
1140	}	1871	}
1141		1872
		1873	=item cf::map->register ($regex, $prio)
		1874
		1875	Register a handler for the map path matching the given regex at the
		1876	givne priority (higher is better, built-in handlers have priority 0, the
		1877	default).
		1878
		1879	=cut
		1880
1142	sub register {	1881	sub register {
1143	my (undef, $regex) = @_;	1882	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1883	my $pkg = caller;
1145		1884
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1886
1149	$EXT_MAP{$pkg} = qr<$regex>;	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1888	}
1151		1889
1152	# also paths starting with '/'	1890	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1892
1155	sub thawer_merge {	1893	sub thawer_merge {
1156	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1157		1895
1158	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1159	local $self->{path};	1897	local $self->{path};
1160	local $self->{load_path};	1898	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1899
1164	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1165	}	1901	}
1166		1902
1167	sub normalise {	1903	sub normalise {
1168	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
		1905
		1906	$path = "$path"; # make sure it's a string
		1907
		1908	$path =~ s/\.map$//;
1169		1909
1170	# map plan:	1910	# map plan:
1171	#	1911	#
1172	# /! non-realised random map exit (special hack!)	1912	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1913	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1927	$path = "$base/$path";
1188	}	1928	}
1189		1929
1190	for ($path) {	1930	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1194	}	1933	}
1195		1934
1196	$path	1935	$path
…		…
1201		1940
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1941	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1942
1204	$path = normalise $path, $base;	1943	$path = normalise $path, $base;
1205		1944
1206	for my $pkg (keys %EXT_MAP) {	1945	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1946	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1947	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1948	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1211	return $self;	1950	return $self;
1212	}	1951	}
1213	}	1952	}
1214		1953
1215	Carp::carp "unable to resolve path '$path'.";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	1955	()
1217	}	1956	}
1218		1957
1219	sub init {	1958	sub init {
1220	my ($self) = @_;	1959	my ($self) = @_;
…		…
1235		1974
1236	# the original (read-only) location	1975	# the original (read-only) location
1237	sub load_path {	1976	sub load_path {
1238	my ($self) = @_;	1977	my ($self) = @_;
1239		1978
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1241	}	1980	}
1242		1981
1243	# the temporary/swap location	1982	# the temporary/swap location
1244	sub save_path {	1983	sub save_path {
1245	my ($self) = @_;	1984	my ($self) = @_;
1246		1985
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1249	}	1988	}
1250		1989
1251	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1252	sub uniq_path {	1991	sub uniq_path {
1253	my ($self) = @_;	1992	my ($self) = @_;
1254		1993
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1257	}	1996	}
1258		1997
1259	# and all this just because we cannot iterate over	1998	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1999	my ($self) = @_;
1263		2000
1264	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1266	}	2004	}
1267		2005
1268	sub unlink_save {	2006	sub unlink_save {
1269	my ($self) = @_;	2007	my ($self) = @_;
1270		2008
…		…
1275		2013
1276	sub load_header_from($) {	2014	sub load_header_from($) {
1277	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1278		2016
1279	utf8::encode $path;	2017	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1281	or return;	2019	or return;
1282		2020
1283	$self->_load_header ($path)	2021	$self->_load_header ($f)
1284	or return;	2022	or return;
1285		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
		2026
1286	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1287		2028
1288	1	2029	1
1289	}	2030	}
1290		2031
1291	sub load_orig {	2032	sub load_header_orig {
1292	my ($self) = @_;	2033	my ($self) = @_;
1293		2034
1294	$self->load_header_from ($self->load_path)	2035	$self->load_header_from ($self->load_path)
1295	}	2036	}
1296		2037
1297	sub load_temp {	2038	sub load_header_temp {
1298	my ($self) = @_;	2039	my ($self) = @_;
1299		2040
1300	$self->load_header_from ($self->save_path)	2041	$self->load_header_from ($self->save_path)
		2042	}
		2043
		2044	sub prepare_temp {
		2045	my ($self) = @_;
		2046
		2047	$self->last_access ((delete $self->{last_access})
		2048	|| $cf::RUNTIME); #d#
		2049	# safety
		2050	$self->{instantiate_time} = $cf::RUNTIME
		2051	if $self->{instantiate_time} > $cf::RUNTIME;
		2052	}
		2053
		2054	sub prepare_orig {
		2055	my ($self) = @_;
		2056
		2057	$self->{load_original} = 1;
		2058	$self->{instantiate_time} = $cf::RUNTIME;
		2059	$self->last_access ($cf::RUNTIME);
		2060	$self->instantiate;
1301	}	2061	}
1302		2062
1303	sub load_header {	2063	sub load_header {
1304	my ($self) = @_;	2064	my ($self) = @_;
1305		2065
1306	if ($self->load_temp) {	2066	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2067	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2068	} else {
1313	$self->load_orig	2069	$self->load_header_orig
1314	or return;	2070	or return;
1315		2071	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2072	}
		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
		2077	$self->default_region (cf::region::find_by_path $self->{path})
		2078	unless $self->default_region;
1321		2079
1322	1	2080	1
1323	}	2081	}
1324		2082
1325	sub find;	2083	sub find;
1326	sub find {	2084	sub find {
1327	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1328		2086
		2087	cf::cede_to_tick;
		2088
1329	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1330		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2093
1333	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1336	or return;	2096	or return;
1337		2097
1338	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1339		2099
1340	$map->load_header	2100	$map->load_header
1341	or return;	2101	or return;
1342		2102
1343	if ($map->should_reset) {	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2104	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1345	$map->reset;	2108	$map->reset;
1346	undef $guard;
1347	$map = find $path	2109	return find $path;
1348	or return;
1349	}	2110	}
1350		2111
1351	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1352	}	2113	}
1353	}	2114	}
		2115
		2116	sub pre_load { }
		2117	#sub post_load { } # XS
1354		2118
1355	sub load {	2119	sub load {
1356	my ($self) = @_;	2120	my ($self) = @_;
1357		2121
		2122	local $self->{deny_reset} = 1; # loading can take a long time
		2123
1358	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1360		2128
		2129	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2131
1363	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1364		2133
1365	$self->alloc;	2134	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2135
		2136	$self->pre_load;
		2137	cf::cede_to_tick;
		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1367	or return;	2142	or return;
1368		2143
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1370	if delete $self->{load_original};	2145	if delete $self->{load_original};
1371		2146
1372	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2148	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2151	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1377	}	2155	}
1378	}	2156	}
1379		2157
1380	Coro::cede;	2158	$f->resolve_delayed_derefs;
1381		2159
		2160	cf::cede_to_tick;
1382	# now do the right thing for maps	2161	# now do the right thing for maps
1383	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2164	unless $self->difficulty;
1393	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1394	$self->activate;	2172	$self->activate;
1395	}	2173	}
1396		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1398	}	2179	}
1399		2180
		2181	$self->post_load;
		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2189	sub customise_for {
1401	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1402		2191
1403	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2193	if $self->per_player;
1405		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1406	$self	2198	$self
1407	}	2199	}
1408		2200
1409	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2202	sub load_neighbours {
1411	my ($map) = @_;	2203	my ($map) = @_;
1412		2204
1413	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1414		2206
1415	for (0 .. 3) {	2207	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1417	or next;	2209	or next;
1418	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1419	or next;	2211	or next;
1420	$neigh->load;	2212	$neigh->load;
1421		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2218	}
1425		2219
1426	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1428	or next;	2223	or next;
1429	$neigh->load;	2224	$neigh->load;
1430	}	2225	}
1431	}	2226	}
1432		2227
1433	sub find_sync {	2228	sub find_sync {
1434	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1435		2230
1436	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1437	}	2235	}
1438		2236
1439	sub do_load_sync {	2237	sub do_load_sync {
1440	my ($map) = @_;	2238	my ($map) = @_;
1441		2239
1442	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1443	}	2244	}
1444		2245
1445	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2247	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2248
1459	sub find_async {	2249	sub find_async {
1460	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1461		2251
1462	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1463		2253
1464	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2256	}
		2257
		2258	$MAP_PREFETCH{$path} |= $load;
		2259
		2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
		2263	while (%MAP_PREFETCH) {
		2264	while (my ($k, $v) = each %MAP_PREFETCH) {
		2265	if (my $map = find $k) {
		2266	$map->load if $v;
		2267	}
		2268
		2269	delete $MAP_PREFETCH{$k};
		2270	}
		2271	}
		2272	undef $MAP_PREFETCHER;
1466	}	2273	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2274	$MAP_PREFETCHER->prio (6);
1470		2275
1471	()	2276	()
1472	}	2277	}
1473		2278
		2279	# common code, used by both ->save and ->swapout
1474	sub save {	2280	sub _save {
1475	my ($self) = @_;	2281	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2282
1479	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1480		2284
1481	return unless $self->dirty;	2285	return unless $self->dirty;
1482		2286
…		…
1488	return if $self->{deny_save};	2292	return if $self->{deny_save};
1489		2293
1490	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1491		2295
1492	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1494	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1495		2302
1496	if ($uniq) {	2303	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2306	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2308	}
1502	}	2309	}
1503		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1504	sub swap_out {	2319	sub swap_out {
1505	my ($self) = @_;	2320	my ($self) = @_;
1506		2321
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1512	return if $self->players;	2326	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1516	$self->clear;	2337	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2338	}
1519		2339
1520	sub reset_at {	2340	sub reset_at {
1521	my ($self) = @_;	2341	my ($self) = @_;
1522		2342
1523	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1526		2345
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2348
…		…
1540	my ($self) = @_;	2359	my ($self) = @_;
1541		2360
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2362
1544	return if $self->players;	2363	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2364
1547	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
		2366
		2367	$self->in_memory (cf::MAP_SWAPPED);
		2368
		2369	# need to save uniques path
		2370	unless ($self->{deny_save}) {
		2371	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2372
		2373	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2374	if $uniq;
		2375	}
1548		2376
1549	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1550		2378
1551	$self->in_memory (cf::MAP_SWAPPED);	2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2381	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2382
1556	$self->unlink_save;	2383	$self->unlink_save;
1557	$self->destroy;	2384	$self->destroy;
1558	}	2385	}
1559		2386
1560	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1561		2388
1562	sub nuke {	2389	sub nuke {
1563	my ($self) = @_;	2390	my ($self) = @_;
1564		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1565	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1566		2396
1567	$self->unlink_save;	2397	$self->unlink_save;
1568		2398
1569	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2404
1575	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1576		2407
1577	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1578	}	2445	}
1579		2446
1580	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1581		2448
1582	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2450	instantiated unique items. May block.
1584		2451
1585	=cut	2452	=cut
1586		2453
1587	sub unique_maps() {	2454	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1589	or return;	2456	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2457	utf8::decode $_;
1595	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
		2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
		2463	]
		2464	}
1597		2465
		2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
1598	s/\.map$//;	2487	s/\.map$// or next;
1599	push @paths, $_;	2488	utf8::decode $_;
1600	}	2489	push @maps, "$dir/$_";
		2490	}
1601		2491
1602	\@paths	2492	push @dirs, map "$dir/$_", @$dirs;
1603	}	2493	}
1604		2494
1605	package cf;	2495	\@maps
		2496	}
1606		2497
1607	=back	2498	=back
1608		2499
1609	=head3 cf::object	2500	=head3 cf::object
1610		2501
…		…
1614		2505
1615	=over 4	2506	=over 4
1616		2507
1617	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1618		2509
1619	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1620		2512
1621	=cut	2513	=cut
1622		2514
1623	sub inv_recursive_;	2515	sub inv_recursive_;
1624	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1627		2519
1628	sub inv_recursive {	2520	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1630	}	2522	}
1631		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1632	package cf;	2552	package cf;
1633		2553
1634	=back	2554	=back
1635		2555
1636	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1645		2565
1646	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1647		2581
1648	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2583	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1653		2587
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2589
1656	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1658	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1661	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1662	}	2615	}
1663		2616
1664	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1665		2618
1666	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1679		2632
1680	=item $player_object->enter_link	2633	=item $player_object->enter_link
1681		2634
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2636
1684	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1686		2641
1687	Will never block.	2642	Will never block.
1688		2643
1689	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1690		2645
…		…
1698	=cut	2653	=cut
1699		2654
1700	sub link_map {	2655	sub link_map {
1701	unless ($LINK_MAP) {	2656	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2657	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2658	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2659	$LINK_MAP->load;
1705	}	2660	}
1706		2661
1707	$LINK_MAP	2662	$LINK_MAP
1708	}	2663	}
…		…
1710	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2666	my ($self) = @_;
1712		2667
1713	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1714		2669
		2670	++$self->{_link_recursion};
		2671
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2673
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1719		2676
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2678	}
1722		2679
1723	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1725		2684
1726	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1727		2686
1728	unless ($map) {	2687	unless ($map) {
1729	# restore original map position	2688	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1742		2701
1743	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1746		2705
1747	$map->load;	2706	$map->load;
1748	$map->load_diag;	2707	$map->load_neighbours;
1749		2708
1750	return unless $self->contr->active;	2709	return unless $self->contr->active;
		2710
		2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2712	if ($self->enter_map ($map, $x, $y)) {
		2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2716	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2717	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2718
1769	# try to abort aborted map switching on player login :)	2719	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2720
1787	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1789	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1790		2735
1791	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2747
1794	$self->enter_link;	2748	$self->enter_link;
1795		2749
1796	(async {	2750	(async {
1797	my $map = cf::map::find $path;	2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
		2772	my $map = eval {
		2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
1799		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2778	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
1804		2781
		2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
		2788	}
		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1806	})->prio (1);	2796	})->prio (1);
1807	}	2797	}
1808		2798
1809	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1810		2800
…		…
1830	}	2820	}
1831		2821
1832	sub prepare_random_map {	2822	sub prepare_random_map {
1833	my ($exit) = @_;	2823	my ($exit) = @_;
1834		2824
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2827	# that depends on the exit object
1840		2828
1841	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
1842		2830
1843	if ($exit->map) {	2831	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2832	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1848	}	2838	}
1849		2839
1850	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1851		2841
1852	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1855		2845
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2848	undef $fh;
1859	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1860		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1863	}	2857	}
1864	}	2858	}
1865		2859
1866	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
1870		2864
1871	$self->enter_link;	2865	$self->enter_link;
1872		2866
1873	(async {	2867	(async {
1874	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
1875	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
1876	prepare_random_map $exit	2877	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2878	if $exit->slaying eq "/!";
		2879	}
1878		2880
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
1881		2884
		2885	$self->goto ($map, $x, $y);
		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
1882	1;	2891	1
1883	}) {	2892	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
1885	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2897
1889	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
1890	$self->leave_link;	2899	$self->leave_link;
1891	}	2900	}
1892	})->prio (1);	2901	})->prio (1);
1893	}	2902	}
1894		2903
…		…
1905		2914
1906	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
1908		2917
1909	utf8::encode $text;	2918	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2920	}
1912		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
		3109	=item $client->ext_msg ($type, @msg)
		3110
		3111	Sends an ext event to the client.
		3112
		3113	=cut
		3114
		3115	sub cf::client::ext_msg($$@) {
		3116	my ($self, $type, @msg) = @_;
		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
		3121	push @msg, msgtype => "event_$type";
		3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
		3142	}
1913		3143
1914	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
1915		3145
1916	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		3149
1920	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	3151	become reliable at some point in the future.
1922		3152
1923	=cut	3153	=cut
1924		3154
1925	sub cf::client::query {	3155	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	3164	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		3166
1937	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
1939	}	3171	}
1940		3172
1941	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
1942	on_reply => sub {	3179	on_reply => sub {
1943	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
1944		3181
1945	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
1946	# get handled first	3183	# get handled first
1947	my $queue = delete $ns->{query_queue}	3184	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	3185	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		3186
1950	(shift @$queue)->[1]->($msg);	3187	(shift @$queue)->[1]->($msg);
		3188	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		3189
1952	push @{ $ns->{query_queue} }, @$queue;	3190	push @{ $ns->{query_queue} }, @$queue;
1953		3191
1954	if (@{ $ns->{query_queue} } == @$queue) {	3192	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3193	if (@$queue) {
…		…
1957	} else {	3195	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3197	}
1960	}	3198	}
1961	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
1962	);	3226	);
1963		3227
1964	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
1965		3229
1966	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
1982		3246
1983	$coro	3247	$coro
1984	}	3248	}
1985		3249
1986	cf::client->attach (	3250	cf::client->attach (
1987	on_destroy => sub {	3251	on_client_destroy => sub {
1988	my ($ns) = @_;	3252	my ($ns) = @_;
1989		3253
1990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1991	},	3255	},
1992	);	3256	);
…		…
2007	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2009		3273
2010	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2011		3275
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2013		3281
2014	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2015		3283
2016	=pod	3284	=pod
2017		3285
2018	The following fucntions and emthods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2019		3287
2020	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2021	cf::object::player player	3293	cf::object::player
2022	cf::player peaceful	3294	player
2023	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2024		3301
2025	=cut	3302	=cut
2026		3303
2027	for (	3304	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2029	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2031	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2032	) {	3311	) {
2033	no strict 'refs';
2034	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2035	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2036	for @funs;	3314	for @funs;
2037	}	3315	}
2038		3316
…		…
2053		3331
2054	my $qcode = $code;	3332	my $qcode = $code;
2055	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2056	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2057		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2058	local $_;	3339	local $_;
2059	local @safe::cf::_safe_eval_args = values %vars;
2060		3340
2061	my $eval =	3341	my $eval =
2062	"do {\n"	3342	"do {\n"
2063	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2064	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2065	. $code	3345	. $code
2066	. "\n}"	3346	. "\n}"
2067	;	3347	;
2068		3348
		3349	if ($CFG{safe_eval}) {
2069	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2070	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2071	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2072		3358
2073	if ($@) {	3359	if ($@) {
2074	warn "$@";	3360	warn "$@",
2075	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2076	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2077	}	3363	}
2078		3364
2079	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2080	}	3366	}
2081		3367
…		…
2095	=cut	3381	=cut
2096		3382
2097	sub register_script_function {	3383	sub register_script_function {
2098	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2099		3385
2100	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2101	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2102	}	3388	}
2103		3389
2104	=back	3390	=back
2105		3391
2106	=cut	3392	=cut
2107		3393
2108	#############################################################################	3394	#############################################################################
		3395	# the server's init and main functions
2109		3396
2110	=head2 EXTENSION DATABASE SUPPORT	3397	sub load_facedata($) {
		3398	my ($path) = @_;
2111		3399
2112	Crossfire maintains a very simple database for extension use. It can	3400	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3401	# for this (global event?)
2114	excludes objects.	3402	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3403
2116	The parameter C<$family> should best start with the name of the extension	3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3405
2119	=over 4	3406	trace "loading facedata from $path\n";
2120		3407
2121	=item $hashref = cf::db_get $family	3408	0 < aio_load $path, my $facedata
		3409	or die "$path: $!";
2122		3410
2123	Return a hashref for use by the extension C<$family>, which can be	3411	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3412
2127	=item $value = cf::db_get $family => $key	3413	$facedata->{version} == 2
		3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3415
2129	Returns a single value from the database	3416	# patch in the exptable
2130		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2131	=item cf::db_put $family => $hashref	3418	$facedata->{resource}{"res/exp_table"} = {
2132		3419	type => FT_RSRC,
2133	Stores the given family hashref into the database. Updates are delayed, if	3420	data => $exp_table,
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3421	hash => (Digest::MD5::md5 $exp_table),
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3422	};
		3423	cf::cede_to_tick;
2182		3424
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3425	{
		3426	my $faces = $facedata->{faceinfo};
2187		3427
2188	sub db_get($;$) {	3428	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3430
2194	sub db_put($$;$) {	3431	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2197	} else {	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3435
2203	cf::global->attach (	3436	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3437	}
2208	);
2209	}
2210		3438
2211	#############################################################################	3439	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3440	next unless $info->{smooth};
2213		3441
2214	sub cfg_load {	3442	my $idx = cf::face::find $face
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3443	or next;
2216	or return;
2217		3444
2218	local $/;	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2219	*CFG = YAML::Syck::Load <$fh>;	3446	cf::face::set_smooth $idx, $smooth;
		3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3448	} else {
		3449	error "smooth face '$info->{smooth}' not found for face '$face'";
		3450	}
2220		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	{
		3457	my $anims = $facedata->{animinfo};
		3458
		3459	while (my ($anim, $info) = each %$anims) {
		3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3461	cf::cede_to_tick;
		3462	}
		3463
		3464	cf::anim::invalidate_all; # d'oh
		3465	}
		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
		3486	1
		3487	}
		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
		3521	sub reload_facedata {
		3522	load_facedata "$DATADIR/facedata"
		3523	or die "unable to load facedata\n";
		3524	}
		3525
		3526	sub reload_archetypes {
		3527	load_resource_file "$DATADIR/archetypes"
		3528	or die "unable to load archetypes\n";
		3529	}
		3530
		3531	sub reload_treasures {
		3532	load_resource_file "$DATADIR/treasures"
		3533	or die "unable to load treasurelists\n";
		3534	}
		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
		3559	sub reload_resources {
		3560	trace "reloading resource files...\n";
		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
		3567	reload_regions;
		3568	reload_treasures;
		3569
		3570	trace "finished reloading resource files\n";
		3571	}
		3572
		3573	sub reload_config {
		3574	trace "reloading config file...\n";
		3575
		3576	0 < aio_load "$CONFDIR/config", my $config
		3577	or die "$CONFDIR/config: $!";
		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2222		3583
2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2225		3586
2226	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2230	};	3591	};
2231	warn $@ if $@;	3592	warn $@ if $@;
2232	}	3593	}
2233	}	3594	}
2234		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2235	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2236	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3637	(async {
2240	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2242	};	3641	};
2243		3642
2244	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
2245	db_load;	3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
		3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2246	load_extensions;	3666	load_extensions;
2247	Event::loop;	3667
		3668	utime time, time, $RUNTIMEFILE;
		3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2248	}	3686	}
2249		3687
2250	#############################################################################	3688	#############################################################################
2251	# initialisation and cleanup	3689	# initialisation and cleanup
2252		3690
2253	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2254	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2255	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2257	data => WF_AUTOCANCEL,
2258	signal => $signal,
2259	cb => sub {
2260	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2261	},
2262	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2263	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2264	}	3787	}
2265		3788
2266	sub emergency_save() {	3789	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2268		3791
2269	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2270		3798
2271	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2272	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2273	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2274	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2276	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3810	$pl->save;
2280	}	3811	}
2281	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2282		3813
2283	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2284	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2285	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3819	$map->valid or next;
2287	$map->save;	3820	$map->save;
2288	}	3821	}
2289	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
		3823
		3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
		3827	BDB::db_env_txn_checkpoint $DB_ENV;
		3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2290	};	3852	};
2291		3853
2292	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2293	}	3855	}
2294		3856
		3857	sub post_cleanup {
		3858	my ($make_core) = @_;
		3859
		3860	IO::AIO::flush;
		3861
		3862	error Carp::longmess "post_cleanup backtrace"
		3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
		3892	}
		3893
2295	sub reload() {	3894	sub do_reload_perl() {
2296	# can/must only be called in main	3895	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2298	warn "can only reload from main coroutine\n";	3897	error "can only reload from main coroutine";
2299	return;	3898	return;
2300	}	3899	}
2301		3900
2302	warn "reloading...";	3901	return if $RELOAD++;
2303		3902
2304	warn "freezing server";	3903	my $t1 = AE::time;
2305	my $guard = freeze_mainloop;	3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
		3911	cf::sync_job {
2306	cf::emergency_save;	3912	#cf::emergency_save;
2307		3913
2308	warn "sync database to disk";	3914	trace "perl_reload: cancelling all extension coros";
2309	cf::db_sync;
2310	IO::AIO::flush;
2311
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "cancel all watchers";
2316	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}
2319
2320	warn "cancel all extension coros";
2321	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3916	%EXT_CORO = ();
2323		3917
2324	warn "remove commands";	3918	trace "perl_reload: removing commands";
2325	%COMMAND = ();	3919	%COMMAND = ();
2326		3920
2327	warn "remove ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2328	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2329		3924
2330	warn "unload/nuke all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2333		3928
2334	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3930	eval {
2336	$cb->($pkg);	3931	$cb->($pkg);
2337	1	3932	1
2338	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2339	}	3938	}
2340		3939
2341	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;
2343	}
2344
2345	warn "unload all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3943
2349	warn "removing <$k>";	3944	trace "... unloading $k";
2350	delete $INC{$k};	3945	delete $INC{$k};
2351		3946
2352	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2354		3949
2355	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2356	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2357	}	3955	}
2358		3956
2359	Symbol::delete_package $k;
2360	}
2361
2362	warn "get rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3960
2366	warn "unload cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2368		3964
2369	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3966	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2372		3968
2373	warn "reloading cf.pm";	3969	info "perl_reload: unload completed, starting to reload now";
		3970
		3971	trace "perl_reload: reloading cf.pm";
2374	require cf;	3972	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2376		3974
2377	warn "load config and database again";	3975	trace "perl_reload: loading config and database again";
2378	cf::cfg_load;	3976	cf::reload_config;
2379	cf::db_load;
2380		3977
2381	warn "load extensions";	3978	trace "perl_reload: loading extensions";
2382	cf::load_extensions;	3979	cf::load_extensions;
2383		3980
		3981	if ($REATTACH_ON_RELOAD) {
2384	warn "reattach attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2385	_global_reattach;	3983	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
		3986	trace "perl_reload: reattaching attachments to players";
		3987	reattach $_ for values %PLAYER;
		3988	}
		3989
		3990	cf::_post_init 1;
		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
		3994	1
		3995	} or do {
		3996	error $@;
		3997	cf::cleanup "perl_reload: error, exiting.";
		3998	};
		3999
		4000	--$RELOAD;
		4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
		4005	};
		4006
		4007	our $RELOAD_WATCHER; # used only during reload
		4008
		4009	sub reload_perl() {
		4010	# doing reload synchronously and two reloads happen back-to-back,
		4011	# coro crashes during coro_state_free->destroy here.
		4012
		4013	$RELOAD_WATCHER ||= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
		4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4017	do_reload_perl;
		4018	undef $RELOAD_WATCHER;
		4019	};
2388	};	4020	};
2389		4021	}
2390	if ($@) {
2391	warn $@;
2392	warn "error while reloading, exiting.";
2393	exit 1;
2394	}
2395
2396	warn "reloaded";
2397	};
2398
2399	our $RELOAD_WATCHER; # used only during reload
2400		4022
2401	register_command "reload" => sub {	4023	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2403		4025
2404	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
2406		4028	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	4029	$Coro::current->{desc} = "perl_reload";
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;	4030	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	4031	};
2414	}	4032	}
2415	};	4033	};
2416		4034
2417	unshift @INC, $LIBDIR;	4035	#############################################################################
2418		4036
2419	$TICK_WATCHER = Event->timer (	4037	my $bug_warning = 0;
2420	reentrant => 0,
2421	prio => 0,
2422	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,
2424	cb => sub {
2425	$NOW = Event::time;
2426		4038
		4039	our @WAIT_FOR_TICK;
		4040	our @WAIT_FOR_TICK_BEGIN;
		4041
		4042	sub wait_for_tick() {
		4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4044
		4045	my $signal = new Coro::Signal;
		4046	push @WAIT_FOR_TICK, $signal;
		4047	$signal->wait;
		4048	}
		4049
		4050	sub wait_for_tick_begin() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK_BEGIN, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub tick {
		4059	if ($Coro::current != $Coro::main) {
		4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4061	unless ++$bug_warning > 10;
		4062	return;
		4063	}
		4064
2427	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2428	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;
2430		4066
2431	$WAIT_FOR_TICK->broadcast;	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2433		4068
2434	# if we are delayed by four ticks or more, skip them all	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2436		4071	Coro::async_pool {
2437	$TICK_WATCHER->at ($NEXT_TICK);	4072	$Coro::current->{desc} = "runtime saver";
2438	$TICK_WATCHER->start;
2439	},
2440	);
2441
2442	IO::AIO::max_poll_time $TICK * 0.2;
2443
2444	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,
2454	after => 0,
2455	interval => 10,
2456	cb => sub {
2457	(Coro::unblock_sub {
2458	write_runtime	4073	write_runtime_sync
2459	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2460	})->();	4075	};
2461	},	4076	}
2462	);	4077
		4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4079	$sig->send;
		4080	}
		4081	while (my $sig = shift @WAIT_FOR_TICK) {
		4082	$sig->send;
		4083	}
		4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
		4094	}
		4095	}
		4096
		4097	{
		4098	# configure BDB
		4099
		4100	BDB::min_parallel 16;
		4101	BDB::max_poll_reqs $TICK * 0.1;
		4102	$AnyEvent::BDB::WATCHER->priority (1);
		4103
		4104	unless ($DB_ENV) {
		4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4111
		4112	cf::sync_job {
		4113	eval {
		4114	BDB::db_env_open
		4115	$DB_ENV,
		4116	$BDBDIR,
		4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4119	0666;
		4120
		4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4122	};
		4123
		4124	cf::cleanup "db_env_open(db): $@" if $@;
		4125	};
		4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
		4137	}
		4138
		4139	{
		4140	# configure IO::AIO
		4141
		4142	IO::AIO::min_parallel 8;
		4143	IO::AIO::max_poll_time $TICK * 0.1;
		4144	undef $AnyEvent::AIO::WATCHER;
		4145	}
		4146
		4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
		4149
		4150	sub _log_backtrace {
		4151	my ($msg, @addr) = @_;
		4152
		4153	$msg =~ s/\n$//;
		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
		4192	}
		4193
		4194	# load additional modules
		4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2463		4197
2464	END { cf::emergency_save }	4198	END { cf::emergency_save }
2465		4199
2466	1	4200	1
2467		4201

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