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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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 3.5 ();	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;
87		170
88	sub cf::map::normalise;	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::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	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
103	every server tick.	201	every server tick.
104		202
105	=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
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	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
126	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
127	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.
128	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.
129		257
130	=back	258	=back
131		259
132	=cut	260	=cut
133		261
134	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	269	my $msg = join "", @_;
137	utf8::encode $msg;
138		270
139	$msg .= "\n"	271	$msg .= "\n"
140	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
141		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
142	LOG llevError, $msg;	276	LOG llevWarn, $msg;
143	};	277	};
144	}	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	};
145		292
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		300
153	# 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
154	# within the Safe compartment.	302	# within the Safe compartment.
155	for my $pkg (qw(	303	for my $pkg (qw(
156	cf::global cf::attachable	304	cf::global cf::attachable
157	cf::object cf::object::player	305	cf::object cf::object::player
158	cf::client cf::player	306	cf::client cf::player
159	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
160	cf::map cf::party cf::region	309	cf::party cf::region
161	)) {	310	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	312	}
165		313
166	$Event::DIED = sub {	314	$EV::DIED = sub {
167	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
168	};	316	};
		317
		318	#############################################################################
169		319
170	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
171		321
172	=over 4	322	=over 4
173		323
…		…
192	$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;
193	$d	343	$d
194	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
195	}	345	}
196		346
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
200		348
201	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
202		350
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
211		352
212	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
213		354
214	=cut	355	=cut
215		356
216	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
218	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	}
219	}	403	}
220		404
221	=item cf::lock_wait $string	405	=item cf::lock_wait $string
222		406
223	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
224		408
225	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
226		410
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
230	returned.	414	returned.
231		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
232	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
233	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
234		421
235	=cut	422	=item $locked = cf::lock_active $string
236		423
237	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
238		429
239	sub lock_wait($) {	430	sub lock_wait($) {
240	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	432	}
248		433
249	sub lock_acquire($) {	434	sub lock_acquire($) {
250	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
251		437
252	# wait, to be sure we are not locked	438	sub lock_active($) {
253	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	440	}
262		441
263	sub freeze_mainloop {	442	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
265		444
266	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	446	}
268	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
269	};	512	}
270	$WRITE_RUNTIME_WATCHER->stop;	513	};
271	$TICK_WATCHER->stop;	514
272	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		618
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
354	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.
355		623
356	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		625
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
361	and return;	627	reset_signals;
		628	}
362		629
363	aio_fsync $fh	630	sub fork_call(&@) {
364	and return;	631	my ($cb, @args) = @_;
365		632
366	close $fh	633	# we seemingly have to make a local copy of the whole thing,
367	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
370	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
372	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 });
373	}	821	}
374		822
375	=back	823	=back
376		824
377	=cut	825	=cut
378		826
379	#############################################################################	827	#############################################################################
380		828
381	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
382		830
383	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
384	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")
385	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
386		834
387	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>
388	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
389	crossfire+).	837	Deliantra).
390		838
391	=over 4	839	=over 4
392		840
393	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
394		842
…		…
438	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
439		887
440	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
442		890
443	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		893
446	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
447		895
448	=over 4	896	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
558		1006
559	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1011
564	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
566		1014
567	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
572		1020
573	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1023
576	} elsif (ref $type) {	1024	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
578		1026
579	} else {	1027	} else {
580	shift @arg;	1028	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
582	}	1030	}
583	}	1031	}
584	}	1032	}
585		1033
586	sub _object_attach {	1034	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
597	}	1045	}
598		1046
599	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
600	} else {	1048	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1050	}
603		1051
604	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
605	}	1053	}
606		1054
…		…
608	if (ref $_[0]) {	1056	if (ref $_[0]) {
609	_object_attach @_;	1057	_object_attach @_;
610	} else {	1058	} else {
611	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
612	}	1060	}
		1061	_recalc_want;
613	};	1062	};
614		1063
615	# all those should be optimised	1064	# all those should be optimised
616	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1070	reattach ($obj);
622	} else {	1071	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
624	}	1073	}
		1074	_recalc_want;
625	};	1075	};
626		1076
627	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
629		1079
…		…
644	";	1094	";
645	die if $@;	1095	die if $@;
646	}	1096	}
647		1097
648	our $override;	1098	our $override;
649	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?
650		1100
651	sub override {	1101	sub override {
652	$override = 1;	1102	$override = 1;
653	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
654	}	1104	}
655		1105
656	sub do_invoke {	1106	sub do_invoke {
657	my $event = shift;	1107	my $event = shift;
658	my $callbacks = shift;	1108	my $callbacks = shift;
659		1109
660	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
661		1111
662	local $override;	1112	local $override;
663		1113
664	for (@$callbacks) {	1114	for (@$callbacks) {
665	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
666		1116
667	if ($@) {	1117	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1119	override;
671	}	1120	}
672		1121
673	return 1 if $override;	1122	return 1 if $override;
674	}	1123	}
675		1124
676	0	1125	0
677	}	1126	}
678		1127
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1129
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1131
683	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
684		1133
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1137
689	=back	1138	=back
690		1139
691	=cut	1140	=cut
692		1141
693	#############################################################################	1142	#############################################################################
694	# 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, $ob2
		1185	}
695		1186
696	sub reattach {	1187	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1189	my ($obj) = @_;
699		1190
		1191	# no longer needed after getting rid of delete_package?
700	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
701		1193
702	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
703		1195
704	@$registry = ();	1196	@$registry = ();
705		1197
…		…
710	for (@$attach) {	1202	for (@$attach) {
711	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
713	}	1205	}
714	} else {	1206	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1208	}
717	}	1209	}
718	}	1210	}
719		1211
720	cf::attachable->attach (	1212	cf::attachable->attach (
721	prio => -1000000,	1213	prio => -1000000,
722	on_instantiate => sub {	1214	on_instantiate => sub {
723	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
724		1216
725	$data = from_json $data;	1217	$data = decode_json $data;
726		1218
727	for (@$data) {	1219	for (@$data) {
728	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
729		1221
730	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1238	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
748		1240
749	sync_job {	1241	sync_job {
750	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
753		1247
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
756	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;
757	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
758	close $fh;	1255	aio_close $fh;
759		1256
760	if (@$objs) {	1257	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	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;
765	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
766	close $fh;	1266	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
768	}	1268	}
769	} else {	1269	} else {
770	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
771	}	1271	}
772		1272
773	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1277	} else {
775	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
776	}	1279	}
777	} else {	1280	} else {
778	aio_unlink $filename;	1281	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
780	}	1283	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1284	};
788	}	1285	}
789		1286
790	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
792		1289
…		…
797		1294
798	sub object_thawer_load {	1295	sub object_thawer_load {
799	my ($filename) = @_;	1296	my ($filename) = @_;
800		1297
801	my ($data, $av);	1298	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1299
806	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
807	or return;	1301	or return;
808		1302
809	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
811	or return;	1305	or return;
		1306
812	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
813	}	1309	}
814		1310
		1311	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
817	return ($data, $av);	1316	($data, $av)
818	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
819		1324
820	#############################################################################	1325	#############################################################################
821	# command handling &c	1326	# command handling &c
822		1327
823	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1342	}
838		1343
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1345
841	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.
842		1351
843	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
844	called.	1353	called.
845		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
846	=cut	1366	=cut
847		1367
848	sub register_extcmd {	1368	sub register_extcmd {
849	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
850		1370
851	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
852	}	1372	}
853		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
854	cf::player->attach (	1382	cf::player->attach (
855	on_command => sub {	1383	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
857		1385
858	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
859	or return;	1387	or return;
860		1388
…		…
865	cf::override;	1393	cf::override;
866	},	1394	},
867	on_extcmd => sub {	1395	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
869		1397
870	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1399
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
878	} else {	1415	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1417	}
881		1418
882	cf::override;	1419	cf::override;
883	},	1420	},
884	);	1421	);
885		1422
		1423	# "readahead" all extensions
886	sub load_extension {	1424	sub cache_extensions {
887	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
888		1426
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1430	}
914	die $@;
915	}	1431	};
916		1432
917	push @EXTS, $pkg;	1433	$grp
918	}	1434	}
919		1435
920	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
921	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1443	next unless -r $path;
923	eval {	1444
924	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 $active;
		1507	}
925	1	1508	}
926	} or warn "$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	}
927	}	1519	};
928	}	1520	}
929		1521
930	#############################################################################	1522	#############################################################################
931		1523
		1524	=back
		1525
932	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
933		1527
934	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
935		1529
936	=cut	1530	=cut
937		1531
938	package cf::player;	1532	package cf::player;
939		1533
…		…
941		1535
942	=head3 cf::player	1536	=head3 cf::player
943		1537
944	=over 4	1538	=over 4
945		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
946	=item cf::player::find $login	1554	=item cf::player::find $login
947		1555
948	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
949		1557
950	=cut	1558	=cut
951		1559
952	sub playerdir($) {	1560	sub playerdir($) {
953	cf::localdir	1561	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1563	}
959		1564
960	sub path($) {	1565	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1567
963	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
964	}	1569	}
965		1570
966	sub find_active($) {	1571	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
971		1576
972	sub exists($) {	1577	sub exists($) {
973	my ($login) = @_;	1578	my ($login) = @_;
974		1579
975	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
977	}	1582	}
978		1583
979	sub find($) {	1584	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1586	my $login = $_[0];
982		1587
983	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
984		1589
985	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
989	}	1607	}
990	}	1608	}
991	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
992		1623
993	sub save($) {	1624	sub save($) {
994	my ($pl) = @_;	1625	my ($pl) = @_;
995		1626
996	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1002		1633
1003	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1007	Coro::cede;	1643	cf::cede_to_tick;
1008	}	1644	}
1009		1645
1010	sub new($) {	1646	sub new($) {
1011	my ($login) = @_;	1647	my ($login) = @_;
1012		1648
…		…
1018	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1019		1655
1020	$self	1656	$self
1021	}	1657	}
1022		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
1023	=item $pl->quit_character	1669	=item $pl->quit_character
1024		1670
1025	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1027		1673
1028	=cut	1674	=cut
1029		1675
1030	sub quit_character {	1676	sub quit_character {
1031	my ($pl) = @_;	1677	my ($pl) = @_;
1032		1678
		1679	my $name = $pl->ob->name;
		1680
1033	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1034	$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
1035		1683
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1039	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1040		1692
1041	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1719	}
1048		1720
1049	=item cf::player::list_logins	1721	=item cf::player::list_logins
1050		1722
1051	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
1052	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1053		1725
1054	=cut	1726	=cut
1055		1727
1056	sub list_logins {	1728	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1730	or return [];
1059		1731
1060	my @logins;	1732	my @logins;
1061		1733
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1066		1744
1067	utf8::decode $login;	1745	utf8::decode $login;
1068	push @logins, $login;	1746	push @logins, $login;
1069	}	1747	}
1070		1748
1071	\@logins	1749	\@logins
1072	}	1750	}
1073		1751
1074	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1075		1755
1076	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1077	player. May block.	1757	player. May block.
1078		1758
1079	=cut	1759	=cut
…		…
1097	}	1777	}
1098		1778
1099	\@paths	1779	\@paths
1100	}	1780	}
1101		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1103		1787
1104	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1105		1789
1106	=cut	1790	=cut
1107		1791
1108	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1110		1794
1111	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1796	}
1115		1797
1116	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	}
1117		1840
1118	=back	1841	=back
1119
1120		1842
1121	=head3 cf::map	1843	=head3 cf::map
1122		1844
1123	=over 4	1845	=over 4
1124		1846
…		…
1136	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1138		1860
1139	sub generate_random_map {	1861	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1867	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1154	)	1880	)
1155	}	1881	}
1156		1882
1157	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1158		1884
…		…
1164		1890
1165	sub register {	1891	sub register {
1166	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1893	my $pkg = caller;
1168		1894
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1896
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1898	}
1174		1899
1175	# also paths starting with '/'	1900	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1902
1178	sub thawer_merge {	1903	sub thawer_merge {
1179	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1180		1905
1181	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
1182	local $self->{path};	1907	local $self->{path};
1183	local $self->{load_path};	1908	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1909
1187	$self->SUPER::thawer_merge ($merge);	1910	$self->SUPER::thawer_merge ($merge);
1188	}	1911	}
1189		1912
1190	sub normalise {	1913	sub normalise {
1191	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1192		1915
1193	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1194		1917
1195	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1196		1919
1197	# map plan:	1920	# map plan:
1198	#	1921	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1937	$path = "$base/$path";
1215	}	1938	}
1216		1939
1217	for ($path) {	1940	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1221	}	1943	}
1222		1944
1223	$path	1945	$path
…		…
1237	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1238	return $self;	1960	return $self;
1239	}	1961	}
1240	}	1962	}
1241		1963
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1965	()
1244	}	1966	}
1245		1967
1246	sub init {	1968	sub init {
1247	my ($self) = @_;	1969	my ($self) = @_;
…		…
1262		1984
1263	# the original (read-only) location	1985	# the original (read-only) location
1264	sub load_path {	1986	sub load_path {
1265	my ($self) = @_;	1987	my ($self) = @_;
1266		1988
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1268	}	1990	}
1269		1991
1270	# the temporary/swap location	1992	# the temporary/swap location
1271	sub save_path {	1993	sub save_path {
1272	my ($self) = @_;	1994	my ($self) = @_;
1273		1995
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1276	}	1998	}
1277		1999
1278	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1279	sub uniq_path {	2001	sub uniq_path {
1280	my ($self) = @_;	2002	my ($self) = @_;
1281		2003
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1284	}	2006	}
1285		2007
1286	# and all this just because we cannot iterate over	2008	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2009	my ($self) = @_;
1290		2010
1291	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1293	}	2014	}
1294		2015
1295	sub unlink_save {	2016	sub unlink_save {
1296	my ($self) = @_;	2017	my ($self) = @_;
1297		2018
1298	utf8::encode (my $save = $self->save_path);	2019	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2022	}
1307		2023
1308	sub load_header_from($) {	2024	sub load_header_from($) {
1309	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1310		2026
1311	utf8::encode $path;	2027	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1317		2036
1318	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1319		2038
1320	1	2039	1
1321	}	2040	}
…		…
1360	$self->load_header_orig	2079	$self->load_header_orig
1361	or return;	2080	or return;
1362	$self->prepare_orig;	2081	$self->prepare_orig;
1363	}	2082	}
1364		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
1365	1	2090	1
1366	}	2091	}
1367		2092
1368	sub find;	2093	sub find;
1369	sub find {	2094	sub find {
1370	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1371		2096
		2097	cf::cede_to_tick;
		2098
1372	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1373		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2103
1376	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1379	or return;	2106	or return;
1380		2107
1381	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1382		2109
1383	$map->load_header	2110	$map->load_header
1384	or return;	2111	or return;
1385		2112
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1389	$map->reset;	2118	$map->reset;
1390	undef $guard;
1391	return find $path;	2119	return find $path;
1392	}	2120	}
1393		2121
1394	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1395	}	2123	}
1396	}	2124	}
1397		2125
1398	sub pre_load { }	2126	sub pre_load { }
1399	sub post_load { }	2127	#sub post_load { } # XS
1400		2128
1401	sub load {	2129	sub load {
1402	my ($self) = @_;	2130	my ($self) = @_;
1403		2131
1404	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1405		2133
1406	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1408		2138
		2139	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2141
1411	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1412		2143
1413	$self->alloc;	2144	$self->alloc;
1414		2145
1415	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1416		2148
1417	$self->_load_objects ($self->{load_path}, 1)	2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1418	or return;	2152	or return;
1419		2153
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1421	if delete $self->{load_original};	2155	if delete $self->{load_original};
1422		2156
1423	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2158	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2161	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1428	}	2165	}
1429	}	2166	}
1430		2167
1431	Coro::cede;	2168	$f->resolve_delayed_derefs;
1432		2169
		2170	cf::cede_to_tick;
1433	# now do the right thing for maps	2171	# now do the right thing for maps
1434	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2174	unless $self->difficulty;
1444	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1445	$self->activate;	2182	$self->activate;
		2183	}
		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
		2188	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2189	}
1447		2190
1448	$self->post_load;	2191	$self->post_load;
1449		2192
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2193	1
1451	}	2194	}
1452		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2199	sub customise_for {
1454	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1455		2201
1456	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2203	if $self->per_player;
1458		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1459	$self	2208	$self
1460	}	2209	}
1461		2210
1462	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2212	sub load_neighbours {
1464	my ($map) = @_;	2213	my ($map) = @_;
1465		2214
1466	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1467		2216
1468	for (0 .. 3) {	2217	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1470	or next;	2219	or next;
1471	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1472	or next;	2221	or next;
1473	$neigh->load;	2222	$neigh->load;
1474		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2228	}
1478		2229
1479	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1481	or next;	2233	or next;
1482	$neigh->load;	2234	$neigh->load;
1483	}	2235	}
1484	}	2236	}
1485		2237
1486	sub find_sync {	2238	sub find_sync {
1487	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1488		2240
1489	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1490	}	2245	}
1491		2246
1492	sub do_load_sync {	2247	sub do_load_sync {
1493	my ($map) = @_;	2248	my ($map) = @_;
1494		2249
1495	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1496	}	2254	}
1497		2255
1498	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1500		2258
1501	sub find_async {	2259	sub find_async {
1502	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1503		2261
1504	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1505		2263
1506	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2266	}
1509		2267
1510	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1511	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1512	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2275	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2276	$map->load if $v;
		2277	}
1517		2278
1518	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1519	}	2280	}
1520	}	2281	}
1521	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1522	};	2283	};
1523	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1524		2285
1525	()	2286	()
1526	}	2287	}
1527		2288
		2289	# common code, used by both ->save and ->swapout
1528	sub save {	2290	sub _save {
1529	my ($self) = @_;	2291	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2292
1533	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1534		2294
1535	return unless $self->dirty;	2295	return unless $self->dirty;
1536		2296
…		…
1542	return if $self->{deny_save};	2302	return if $self->{deny_save};
1543		2303
1544	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1545		2305
1546	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1548	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1549		2312
1550	if ($uniq) {	2313	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2316	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2318	}
1556	}	2319	}
1557		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1558	sub swap_out {	2329	sub swap_out {
1559	my ($self) = @_;	2330	my ($self) = @_;
1560		2331
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1566	return if $self->players;	2336	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1570	$self->clear;	2347	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2348	}
1573		2349
1574	sub reset_at {	2350	sub reset_at {
1575	my ($self) = @_;	2351	my ($self) = @_;
1576		2352
1577	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1580		2355
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2358
…		…
1594	my ($self) = @_;	2369	my ($self) = @_;
1595		2370
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2372
1598	return if $self->players;	2373	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2374
1601	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
		2376
		2377	$self->in_memory (cf::MAP_SWAPPED);
		2378
		2379	# need to save uniques path
		2380	unless ($self->{deny_save}) {
		2381	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2382
		2383	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2384	if $uniq;
		2385	}
1602		2386
1603	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1604		2388
1605	$self->in_memory (cf::MAP_SWAPPED);	2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2391	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2392
1610	$self->unlink_save;	2393	$self->unlink_save;
1611	$self->destroy;	2394	$self->destroy;
1612	}	2395	}
1613		2396
1614	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1615		2398
1616	sub nuke {	2399	sub nuke {
1617	my ($self) = @_;	2400	my ($self) = @_;
1618		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1619	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1620		2406
1621	$self->unlink_save;	2407	$self->unlink_save;
1622		2408
1623	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2414
1629	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1630		2417
1631	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
		2419	}
		2420
		2421	=item $maps = cf::map::tmp_maps
		2422
		2423	Returns an arrayref with all map paths of currently instantiated and saved
		2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
		2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
1632	}	2455	}
1633		2456
1634	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1635		2458
1636	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2460	instantiated unique items. May block.
1638		2461
1639	=cut	2462	=cut
1640		2463
1641	sub unique_maps() {	2464	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2465	[
1643	or return;	2466	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2467	utf8::decode $_;
1649	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2470	? ()
1652	push @paths, cf::map::normalise $_;	2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2473	]
1654
1655	\@paths
1656	}	2474	}
1657		2475
1658	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
1659		2507
1660	=back	2508	=back
1661		2509
1662	=head3 cf::object	2510	=head3 cf::object
1663		2511
…		…
1667		2515
1668	=over 4	2516	=over 4
1669		2517
1670	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1671		2519
1672	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1673		2522
1674	=cut	2523	=cut
1675		2524
1676	sub inv_recursive_;	2525	sub inv_recursive_;
1677	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1680		2529
1681	sub inv_recursive {	2530	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1683	}	2532	}
1684		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1685	package cf;	2562	package cf;
1686		2563
1687	=back	2564	=back
1688		2565
1689	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1698		2575
1699	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1700		2591
1701	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2593	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1706		2597
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2599
1709	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1711	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1714	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1715	}	2625	}
1716		2626
1717	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1718		2628
1719	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1732		2642
1733	=item $player_object->enter_link	2643	=item $player_object->enter_link
1734		2644
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2646
1737	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1739		2651
1740	Will never block.	2652	Will never block.
1741		2653
1742	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1743		2655
…		…
1763	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2676	my ($self) = @_;
1765		2677
1766	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1767		2679
		2680	++$self->{_link_recursion};
		2681
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2683
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1772		2686
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2688	}
1775		2689
1776	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1778		2694
1779	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1780		2696
1781	unless ($map) {	2697	unless ($map) {
1782	# restore original map position	2698	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1795		2711
1796	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1799		2715
1800	$map->load;	2716	$map->load;
1801	$map->load_diag;	2717	$map->load_neighbours;
1802		2718
1803	return unless $self->contr->active;	2719	return unless $self->contr->active;
		2720
		2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2722	if ($self->enter_map ($map, $x, $y)) {
		2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2726	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2727	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2728
1822	# try to abort aborted map switching on player login :)	2729	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2730
1840	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1842	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1843		2745
1844	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2757
1847	$self->enter_link;	2758	$self->enter_link;
1848		2759
1849	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
1850	my $map = eval {	2782	my $map = eval {
1851	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
		2788	} else {
		2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
		2791
1853	$map	2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2798	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1858	})->prio (1);	2806	})->prio (1);
1859	}	2807	}
1860		2808
1861	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1862		2810
…		…
1882	}	2830	}
1883		2831
1884	sub prepare_random_map {	2832	sub prepare_random_map {
1885	my ($exit) = @_;	2833	my ($exit) = @_;
1886		2834
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2837	# that depends on the exit object
1892		2838
1893	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2841	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1900	}	2848	}
1901		2849
1902	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1903		2851
1904	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
1907		2855
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2858	undef $fh;
1911	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
1912		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1915	}	2867	}
1916	}	2868	}
1917		2869
1918	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
1920		2872
1921	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1922		2874
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2875	$self->enter_link;
1933		2876
1934	(async {	2877	(async {
1935	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1936	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
1937	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
1938		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1939	1;	2901	1
1940	}) {	2902	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2907
1946	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2909	$self->leave_link;
1948	}	2910	}
1949	})->prio (1);	2911	})->prio (1);
1950	}	2912	}
1951		2913
…		…
1962		2924
1963	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1965		2927
1966	utf8::encode $text;	2928	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2930	}
1969		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
1970		3153
1971	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1972		3155
1973	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3159
1977	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3161	become reliable at some point in the future.
1979		3162
1980	=cut	3163	=cut
1981		3164
1982	sub cf::client::query {	3165	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3174	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3176
1994	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
1996	}	3181	}
1997		3182
1998	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
1999	on_reply => sub {	3189	on_reply => sub {
2000	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2001		3191
2002	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2003	# get handled first	3193	# get handled first
2004	my $queue = delete $ns->{query_queue}	3194	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3195	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3196
2007	(shift @$queue)->[1]->($msg);	3197	(shift @$queue)->[1]->($msg);
		3198	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3199
2009	push @{ $ns->{query_queue} }, @$queue;	3200	push @{ $ns->{query_queue} }, @$queue;
2010		3201
2011	if (@{ $ns->{query_queue} } == @$queue) {	3202	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3203	if (@$queue) {
…		…
2014	} else {	3205	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3207	}
2017	}	3208	}
2018	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
2019	);	3236	);
2020		3237
2021	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2022		3239
2023	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039		3256
2040	$coro	3257	$coro
2041	}	3258	}
2042		3259
2043	cf::client->attach (	3260	cf::client->attach (
2044	on_destroy => sub {	3261	on_client_destroy => sub {
2045	my ($ns) = @_;	3262	my ($ns) = @_;
2046		3263
2047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2048	},	3265	},
2049	);	3266	);
…		…
2064	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2066		3283
2067	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2068		3285
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2070		3291
2071	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2072		3293
2073	=pod	3294	=pod
2074		3295
2075	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2076		3297
2077	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2078	cf::object::player player	3303	cf::object::player
2079	cf::player peaceful	3304	player
2080	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2081		3311
2082	=cut	3312	=cut
2083		3313
2084	for (	3314	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2086	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2088	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2089	) {	3321	) {
2090	no strict 'refs';
2091	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2092	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2093	for @funs;	3324	for @funs;
2094	}	3325	}
2095		3326
…		…
2110		3341
2111	my $qcode = $code;	3342	my $qcode = $code;
2112	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2113	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2114		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2115	local $_;	3349	local $_;
2116	local @safe::cf::_safe_eval_args = values %vars;
2117		3350
2118	my $eval =	3351	my $eval =
2119	"do {\n"	3352	"do {\n"
2120	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2121	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2122	. $code	3355	. $code
2123	. "\n}"	3356	. "\n}"
2124	;	3357	;
2125		3358
		3359	if ($CFG{safe_eval}) {
2126	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2127	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2128	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2129		3368
2130	if ($@) {	3369	if ($@) {
2131	warn "$@";	3370	warn "$@",
2132	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2133	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2134	}	3373	}
2135		3374
2136	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2137	}	3376	}
2138		3377
…		…
2152	=cut	3391	=cut
2153		3392
2154	sub register_script_function {	3393	sub register_script_function {
2155	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2156		3395
2157	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2158	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2159	}	3398	}
2160		3399
2161	=back	3400	=back
2162		3401
2163	=cut	3402	=cut
2164		3403
2165	#############################################################################	3404	#############################################################################
		3405	# the server's init and main functions
2166		3406
2167	=head2 EXTENSION DATABASE SUPPORT	3407	sub load_facedata($) {
		3408	my ($path) = @_;
2168		3409
2169	Crossfire maintains a very simple database for extension use. It can	3410	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3411	# for this (global event?)
2171	excludes objects.	3412	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3413
2173	The parameter C<$family> should best start with the name of the extension	3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3415
2176	=over 4	3416	trace "loading facedata from $path\n";
2177		3417
2178	=item $hashref = cf::db_get $family	3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
2179		3420
2180	Return a hashref for use by the extension C<$family>, which can be	3421	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3422
2184	=item $value = cf::db_get $family => $key	3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3425
2186	Returns a single value from the database	3426	# patch in the exptable
2187		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2188	=item cf::db_put $family => $hashref	3428	$facedata->{resource}{"res/exp_table"} = {
2189		3429	type => FT_RSRC,
2190	Stores the given family hashref into the database. Updates are delayed, if	3430	data => $exp_table,
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3431	hash => (Digest::MD5::md5 $exp_table),
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3432	};
		3433	cf::cede_to_tick;
2216		3434
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3435	{
		3436	my $faces = $facedata->{faceinfo};
2228		3437
2229	my $dirty;	3438	while (my ($face, $info) = each %$faces) {
		3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3440
2231	sub db_sync() {	3441	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2234	}	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2235		3445
2236	my $idle = Event->idle (	3446	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3447	}
2270	);
2271	}
2272		3448
2273	#############################################################################	3449	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3450	next unless $info->{smooth};
2275		3451
2276	sub cfg_load {	3452	my $idx = cf::face::find $face
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3453	or next;
2278	or return;
2279		3454
2280	local $/;	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2281	*CFG = YAML::Syck::Load <$fh>;	3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
2282		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
		3577	reload_regions;
		3578	reload_treasures;
		3579
		3580	trace "finished reloading resource files\n";
		3581	}
		3582
		3583	sub reload_config {
		3584	trace "reloading config file...\n";
		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3593
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3596
2288	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2292	};	3601	};
2293	warn $@ if $@;	3602	warn $@ if $@;
2294	}	3603	}
2295	}	3604	}
2296		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2297	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2298	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3647	(async {
2302	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2304	};	3651	};
2305		3652
2306	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2307	db_load;	3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2308	load_extensions;	3676	load_extensions;
2309		3677
2310	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2311	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2312	}	3696	}
2313		3697
2314	#############################################################################	3698	#############################################################################
2315	# initialisation and cleanup	3699	# initialisation and cleanup
2316		3700
2317	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2318	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2327	},
2328	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2329	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2330	}	3797	}
2331		3798
2332	sub emergency_save() {	3799	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2334		3801
2335	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2336		3808
2337	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2338	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2339	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2340	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2342	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3820	$pl->save;
2346	}	3821	}
2347	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2348		3823
2349	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2350	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2351	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3829	$map->valid or next;
2353	$map->save;	3830	$map->save;
2354	}	3831	}
2355	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3862	};
2357		3863
2358	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2359	}	3865	}
2360		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2361	sub reload() {	3904	sub do_reload_perl() {
2362	# can/must only be called in main	3905	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2364	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2365	return;	3908	return;
2366	}	3909	}
2367		3910
2368	warn "reloading...";	3911	return if $RELOAD++;
2369		3912
2370	warn "cancelling server ticker";	3913	my $t1 = AE::time;
2371	$TICK_WATCHER->cancel;
2372		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
		3921	cf::sync_job {
2373	cf::emergency_save;	3922	#cf::emergency_save;
2374		3923
2375	eval {
2376	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";
2387	for (;;) {
2388	IO::AIO::flush;
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3926	%EXT_CORO = ();
2397		3927
2398	warn "removing commands";	3928	trace "perl_reload: removing commands";
2399	%COMMAND = ();	3929	%COMMAND = ();
2400		3930
2401	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2402	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2403		3934
2404	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2407		3938
2408	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2409	eval {	3940	eval {
2410	$cb->($pkg);	3941	$cb->($pkg);
2411	1	3942	1
2412	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2413	}	3948	}
2414		3949
2415	warn "... nuking $pkg";
2416	Symbol::delete_package $pkg;
2417	}
2418
2419	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2420	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3953
2423	warn "... unloading $k";	3954	trace "... unloading $k";
2424	delete $INC{$k};	3955	delete $INC{$k};
2425		3956
2426	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2428		3959
2429	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2430	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2431	}	3965	}
2432		3966
2433	Symbol::delete_package $k;
2434	}
2435
2436	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3970
2440	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2442		3974
2443	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3976	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2446		3978
2447	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2448		3980
2449	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2450	require cf;	3982	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2452		3984
2453	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2454	cf::cfg_load;	3986	cf::reload_config;
2455	cf::db_load;
2456		3987
2457	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2458	cf::load_extensions;	3989	cf::load_extensions;
2459		3990
		3991	if ($REATTACH_ON_RELOAD) {
2460	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2461	_global_reattach;	3993	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
2464		3999
2465	warn "restarting server ticker";	4000	cf::_post_init 1;
2466		4001
2467	$TICK_WATCHER->start;	4002	trace "perl_reload: leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "perl_reload: error, exiting.";
		4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2468	};	4030	};
2469		4031	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		4032
2481	register_command "reload" => sub {	4033	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2483		4035
2484	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
2486		4038	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	4039	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	4040	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	4041	};
2499	}	4042	}
2500	};	4043	};
2501		4044
2502	unshift @INC, $LIBDIR;	4045	#############################################################################
2503		4046
2504	my $bug_warning = 0;	4047	my $bug_warning = 0;
2505		4048
2506	$TICK_WATCHER = Event->timer (	4049	our @WAIT_FOR_TICK;
2507	reentrant => 0,	4050	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	4051
2509	prio => 0,	4052	sub wait_for_tick() {
2510	at => $NEXT_TICK || $TICK,	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	4054
2512	cb => sub {	4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
2513	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2516	return;	4072	return;
2517	}	4073	}
2518		4074
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		4076
2525	$WAIT_FOR_TICK->broadcast;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2527		4078
2528	Event::sweep;	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	Coro::cede_notself;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4081	Coro::async_pool {
		4082	$Coro::current->{desc} = "runtime saver";
		4083	write_runtime_sync
		4084	or error "ERROR: unable to write runtime file: $!";
		4085	};
		4086	}
		4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
2530		4103	}
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	4104	}
2540	);	4105	}
2541		4106
		4107	{
		4108	# configure BDB
		4109
		4110	BDB::min_parallel 16;
		4111	BDB::max_poll_reqs $TICK * 0.1;
		4112	$AnyEvent::BDB::WATCHER->priority (1);
		4113
		4114	unless ($DB_ENV) {
		4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4121
		4122	cf::sync_job {
		4123	eval {
		4124	BDB::db_env_open
		4125	$DB_ENV,
		4126	$BDBDIR,
		4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4129	0666;
		4130
		4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4132	};
		4133
		4134	cf::cleanup "db_env_open(db): $@" if $@;
		4135	};
		4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
		4147	}
		4148
		4149	{
		4150	# configure IO::AIO
		4151
		4152	IO::AIO::min_parallel 8;
2542	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
		4154	undef $AnyEvent::AIO::WATCHER;
		4155	}
2543		4156
2544	undef $Coro::AIO::WATCHER;	4157	our $_log_backtrace;
2545	$AIO_POLL_WATCHER = Event->io (	4158	our $_log_backtrace_last;
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553		4159
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	4160	sub _log_backtrace {
2555	reentrant => 0,	4161	my ($msg, @addr) = @_;
2556	data => WF_AUTOCANCEL,	4162
2557	after => 1,	4163	$msg =~ s/\n$//;
2558	interval => 10,	4164
2559	prio => 6, # keep it lowest so it acts like a watchdog	4165	if ($_log_backtrace_last eq $msg) {
2560	cb => Coro::unblock_sub {	4166	LOG llevInfo, "[ABT] $msg\n";
2561	write_runtime	4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2562	or warn "ERROR: unable to write runtime file: $!";	4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2563	},	4201	}
2564	);	4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2565		4207
2566	END { cf::emergency_save }	4208	END { cf::emergency_save }
2567		4209
2568	1	4210	1
2569		4211

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