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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	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" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	121	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		130
59	our %CFG;	131	our %CFG;
60		132
61	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
63		136
64	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		140
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		153
76	binmode STDOUT;	154	binmode STDOUT;
77	binmode STDERR;	155	binmode STDERR;
78		156
79	# read virtual server time, if available	157	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
84	}	162	}
85		163
86	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	165
88	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		168
93	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
94		170
95	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::"} };
96		187
97	#############################################################################	188	#############################################################################
98		189
99	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
100		191
…		…
107	=item $cf::RUNTIME	198	=item $cf::RUNTIME
108		199
109	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
110	every server tick.	201	every server tick.
111		202
112	=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
113		206
114	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		211
117	=item $cf::NOW	212	=item $cf::NOW
118		213
119	The time of the last (current) server tick.	214	The time of the last (current) server tick.
120		215
121	=item $cf::TICK	216	=item $cf::TICK
122		217
123	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	230	=item %cf::CFG
126		231
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	233	from wherever your confdir points to.
129		234
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		236
132	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
133	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
134	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.
135	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.
136		257
137	=back	258	=back
138		259
139	=cut	260	=cut
140		261
141	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	269	my $msg = join "", @_;
144	utf8::encode $msg;
145		270
146	$msg .= "\n"	271	$msg .= "\n"
147	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
148		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
149	LOG llevError, $msg;	276	LOG llevWarn, $msg;
150	};	277	};
151	}	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	};
152		292
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		300
160	# 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
161	# within the Safe compartment.	302	# within the Safe compartment.
162	for my $pkg (qw(	303	for my $pkg (qw(
163	cf::global cf::attachable	304	cf::global cf::attachable
164	cf::object cf::object::player	305	cf::object cf::object::player
165	cf::client cf::player	306	cf::client cf::player
166	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
167	cf::map cf::party cf::region	309	cf::party cf::region
168	)) {	310	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	312	}
172		313
173	$Event::DIED = sub {	314	$EV::DIED = sub {
174	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
175	};	316	};
		317
		318	#############################################################################
176		319
177	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
178		321
179	=over 4	322	=over 4
180		323
…		…
199	$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;
200	$d	343	$d
201	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
202	}	345	}
203		346
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
207		348
208	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
209		350
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
221	=cut	355	=cut
222		356
223	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
225	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	}
226	}	403	}
227		404
228	=item cf::lock_wait $string	405	=item cf::lock_wait $string
229		406
230	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
231		408
232	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
233		410
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
237	returned.	414	returned.
238		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
239	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
240	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
241		421
242	=cut	422	=item $locked = cf::lock_active $string
243		423
244	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
245		429
246	sub lock_wait($) {	430	sub lock_wait($) {
247	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	432	}
255		433
256	sub lock_acquire($) {	434	sub lock_acquire($) {
257	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
258		437
259	# wait, to be sure we are not locked	438	sub lock_active($) {
260	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	440	}
269		441
270	sub freeze_mainloop {	442	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
272		444
273	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	446	}
275	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
276	};	512	}
277	$WRITE_RUNTIME_WATCHER->stop;	513	};
278	$TICK_WATCHER->stop;	514
279	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
280	}	528	}
281		529
282	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
283		531
284	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		537
290	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
291		539
292	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
293		541
294	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
297		546
298	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
301	fast or be very important.	550	fast or be very important.
…		…
303	=cut	552	=cut
304		553
305	sub sync_job(&) {	554	sub sync_job(&) {
306	my ($job) = @_;	555	my ($job) = @_;
307		556
308	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
309	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
311		562
312	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	564
314	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
315		566
316	my $busy = 1;	567	my $busy = 1;
317	my @res;	568	my @res;
318		569
319	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	572	@res = eval { $job->() };
321	warn $@ if $@;	573	error $@ if $@;
322	undef $busy;	574	undef $busy;
323	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
324		576
325	while ($busy) {	577	while ($busy) {
326	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
327	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
328		588
329	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
330	} else {	590	} else {
331	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
332		592
…		…
352	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
353		613
354	$coro	614	$coro
355	}	615	}
356		616
357	sub write_runtime {	617	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		618
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
361	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.
362		623
363	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		625
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
368	and return;	627	reset_signals;
		628	}
369		629
370	# always fsync - this file is important	630	sub fork_call(&@) {
371	aio_fsync $fh	631	my ($cb, @args) = @_;
372	and return;
373		632
374	close $fh	633	# we seemingly have to make a local copy of the whole thing,
375	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
376		636
377	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
378	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
379		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
380	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 });
381	}	821	}
382		822
383	=back	823	=back
384		824
385	=cut	825	=cut
386		826
387	#############################################################################	827	#############################################################################
388		828
389	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
390		830
391	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
392	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")
393	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
394		834
395	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>
396	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
397	crossfire+).	837	Deliantra).
398		838
399	=over 4	839	=over 4
400		840
401	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
402		842
…		…
446	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
447		887
448	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
450		890
451	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		893
454	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
455		895
456	=over 4	896	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
566		1006
567	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1011
572	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
574		1014
575	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
580		1020
581	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1023
584	} elsif (ref $type) {	1024	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
586		1026
587	} else {	1027	} else {
588	shift @arg;	1028	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
590	}	1030	}
591	}	1031	}
592	}	1032	}
593		1033
594	sub _object_attach {	1034	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
605	}	1045	}
606		1046
607	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
608	} else {	1048	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1050	}
611		1051
612	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
613	}	1053	}
614		1054
…		…
616	if (ref $_[0]) {	1056	if (ref $_[0]) {
617	_object_attach @_;	1057	_object_attach @_;
618	} else {	1058	} else {
619	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
620	}	1060	}
		1061	_recalc_want;
621	};	1062	};
622		1063
623	# all those should be optimised	1064	# all those should be optimised
624	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1070	reattach ($obj);
630	} else {	1071	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
632	}	1073	}
		1074	_recalc_want;
633	};	1075	};
634		1076
635	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
637		1079
…		…
652	";	1094	";
653	die if $@;	1095	die if $@;
654	}	1096	}
655		1097
656	our $override;	1098	our $override;
657	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?
658		1100
659	sub override {	1101	sub override {
660	$override = 1;	1102	$override = 1;
661	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
662	}	1104	}
663		1105
664	sub do_invoke {	1106	sub do_invoke {
665	my $event = shift;	1107	my $event = shift;
666	my $callbacks = shift;	1108	my $callbacks = shift;
667		1109
668	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
669		1111
670	local $override;	1112	local $override;
671		1113
672	for (@$callbacks) {	1114	for (@$callbacks) {
673	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
674		1116
675	if ($@) {	1117	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1119	override;
679	}	1120	}
680		1121
681	return 1 if $override;	1122	return 1 if $override;
682	}	1123	}
683		1124
684	0	1125	0
685	}	1126	}
686		1127
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1129
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1131
691	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
692		1133
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1137
697	=back	1138	=back
698		1139
699	=cut	1140	=cut
700		1141
701	#############################################################################	1142	#############################################################################
702	# 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, $ob2
		1185	}
703		1186
704	sub reattach {	1187	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1189	my ($obj) = @_;
707		1190
		1191	# no longer needed after getting rid of delete_package?
708	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
709		1193
710	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
711		1195
712	@$registry = ();	1196	@$registry = ();
713		1197
…		…
718	for (@$attach) {	1202	for (@$attach) {
719	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
721	}	1205	}
722	} else {	1206	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1208	}
725	}	1209	}
726	}	1210	}
727		1211
728	cf::attachable->attach (	1212	cf::attachable->attach (
729	prio => -1000000,	1213	prio => -1000000,
730	on_instantiate => sub {	1214	on_instantiate => sub {
731	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
732		1216
733	$data = from_json $data;	1217	$data = decode_json $data;
734		1218
735	for (@$data) {	1219	for (@$data) {
736	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
737		1221
738	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1238	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
756		1240
757	sync_job {	1241	sync_job {
758	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
761		1247
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($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;
		1253	aio_fsync $fh;
		1254	}
766	close $fh;	1255	aio_close $fh;
767		1256
768	if (@$objs) {	1257	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($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;
		1264	aio_fsync $fh;
		1265	}
774	close $fh;	1266	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
776	}	1268	}
777	} else {	1269	} else {
778	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
779	}	1271	}
780		1272
781	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1277	} else {
783	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
784	}	1279	}
785	} else {	1280	} else {
786	aio_unlink $filename;	1281	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
788	}	1283	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1284	};
796	}	1285	}
797		1286
798	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
800		1289
…		…
805		1294
806	sub object_thawer_load {	1295	sub object_thawer_load {
807	my ($filename) = @_;	1296	my ($filename) = @_;
808		1297
809	my ($data, $av);	1298	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1299
814	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
815	or return;	1301	or return;
816		1302
817	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
819	or return;	1305	or return;
		1306
820	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
821	}	1309	}
822		1310
		1311	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
825	return ($data, $av);	1316	($data, $av)
826	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
827		1324
828	#############################################################################	1325	#############################################################################
829	# command handling &c	1326	# command handling &c
830		1327
831	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1342	}
846		1343
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1345
849	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.
850		1351
851	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
852	called.	1353	called.
853		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
854	=cut	1366	=cut
855		1367
856	sub register_extcmd {	1368	sub register_extcmd {
857	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
858		1370
859	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
860	}	1372	}
861		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
862	cf::player->attach (	1382	cf::player->attach (
863	on_command => sub {	1383	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
865		1385
866	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
867	or return;	1387	or return;
868		1388
…		…
873	cf::override;	1393	cf::override;
874	},	1394	},
875	on_extcmd => sub {	1395	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
877		1397
878	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1399
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
886	} else {	1415	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1417	}
889		1418
890	cf::override;	1419	cf::override;
891	},	1420	},
892	);	1421	);
893		1422
		1423	# "readahead" all extensions
894	sub load_extension {	1424	sub cache_extensions {
895	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
896		1426
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1430	}
922	die $@;
923	}	1431	};
924		1432
925	push @EXTS, $pkg;	1433	$grp
926	}	1434	}
927		1435
928	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
929	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1443	next unless -r $path;
931	eval {	1444
932	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 $active;
		1507	}
933	1	1508	}
934	} or warn "$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	}
935	}	1519	};
936	}	1520	}
937		1521
938	#############################################################################	1522	#############################################################################
939		1523
		1524	=back
		1525
940	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
941		1527
942	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
943		1529
944	=cut	1530	=cut
945		1531
946	package cf::player;	1532	package cf::player;
947		1533
…		…
949		1535
950	=head3 cf::player	1536	=head3 cf::player
951		1537
952	=over 4	1538	=over 4
953		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
954	=item cf::player::find $login	1554	=item cf::player::find $login
955		1555
956	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
957		1557
958	=cut	1558	=cut
959		1559
960	sub playerdir($) {	1560	sub playerdir($) {
961	cf::localdir	1561	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1563	}
967		1564
968	sub path($) {	1565	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1567
971	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
972	}	1569	}
973		1570
974	sub find_active($) {	1571	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
979		1576
980	sub exists($) {	1577	sub exists($) {
981	my ($login) = @_;	1578	my ($login) = @_;
982		1579
983	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
985	}	1582	}
986		1583
987	sub find($) {	1584	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1586	my $login = $_[0];
990		1587
991	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
992		1589
993	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
997	}	1607	}
998	}	1608	}
999	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1000		1623
1001	sub save($) {	1624	sub save($) {
1002	my ($pl) = @_;	1625	my ($pl) = @_;
1003		1626
1004	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1010		1633
1011	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1013		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
1014	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1015	Coro::cede;	1643	cf::cede_to_tick;
1016	}	1644	}
1017		1645
1018	sub new($) {	1646	sub new($) {
1019	my ($login) = @_;	1647	my ($login) = @_;
1020		1648
…		…
1026	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1027		1655
1028	$self	1656	$self
1029	}	1657	}
1030		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
1031	=item $pl->quit_character	1669	=item $pl->quit_character
1032		1670
1033	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1035		1673
1036	=cut	1674	=cut
1037		1675
1038	sub quit_character {	1676	sub quit_character {
1039	my ($pl) = @_;	1677	my ($pl) = @_;
1040		1678
		1679	my $name = $pl->ob->name;
		1680
1041	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1042	$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
1043		1683
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1047	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1048		1692
1049	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1719	}
1056		1720
1057	=item cf::player::list_logins	1721	=item cf::player::list_logins
1058		1722
1059	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
1060	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1061		1725
1062	=cut	1726	=cut
1063		1727
1064	sub list_logins {	1728	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1730	or return [];
1067		1731
1068	my @logins;	1732	my @logins;
1069		1733
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1074		1744
1075	utf8::decode $login;	1745	utf8::decode $login;
1076	push @logins, $login;	1746	push @logins, $login;
1077	}	1747	}
1078		1748
1079	\@logins	1749	\@logins
1080	}	1750	}
1081		1751
1082	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1083		1755
1084	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1085	player. May block.	1757	player. May block.
1086		1758
1087	=cut	1759	=cut
…		…
1105	}	1777	}
1106		1778
1107	\@paths	1779	\@paths
1108	}	1780	}
1109		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1111		1787
1112	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1113		1789
1114	=cut	1790	=cut
1115		1791
1116	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1118		1794
1119	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1796	}
1123		1797
1124	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	}
1125		1840
1126	=back	1841	=back
1127
1128		1842
1129	=head3 cf::map	1843	=head3 cf::map
1130		1844
1131	=over 4	1845	=over 4
1132		1846
…		…
1144	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1146		1860
1147	sub generate_random_map {	1861	sub generate_random_map {
1148	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
1149	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1867	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1162	)	1880	)
1163	}	1881	}
1164		1882
1165	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1166		1884
…		…
1172		1890
1173	sub register {	1891	sub register {
1174	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1893	my $pkg = caller;
1176		1894
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1896
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1898	}
1182		1899
1183	# also paths starting with '/'	1900	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1902
1186	sub thawer_merge {	1903	sub thawer_merge {
1187	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1188		1905
1189	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
1190	local $self->{path};	1907	local $self->{path};
1191	local $self->{load_path};	1908	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1909
1195	$self->SUPER::thawer_merge ($merge);	1910	$self->SUPER::thawer_merge ($merge);
1196	}	1911	}
1197		1912
1198	sub normalise {	1913	sub normalise {
1199	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1200		1915
1201	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1202		1917
1203	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1204		1919
1205	# map plan:	1920	# map plan:
1206	#	1921	#
…		…
1221	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1937	$path = "$base/$path";
1223	}	1938	}
1224		1939
1225	for ($path) {	1940	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1229	}	1943	}
1230		1944
1231	$path	1945	$path
…		…
1245	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1246	return $self;	1960	return $self;
1247	}	1961	}
1248	}	1962	}
1249		1963
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1965	()
1252	}	1966	}
1253		1967
1254	sub init {	1968	sub init {
1255	my ($self) = @_;	1969	my ($self) = @_;
…		…
1270		1984
1271	# the original (read-only) location	1985	# the original (read-only) location
1272	sub load_path {	1986	sub load_path {
1273	my ($self) = @_;	1987	my ($self) = @_;
1274		1988
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1276	}	1990	}
1277		1991
1278	# the temporary/swap location	1992	# the temporary/swap location
1279	sub save_path {	1993	sub save_path {
1280	my ($self) = @_;	1994	my ($self) = @_;
1281		1995
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1284	}	1998	}
1285		1999
1286	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1287	sub uniq_path {	2001	sub uniq_path {
1288	my ($self) = @_;	2002	my ($self) = @_;
1289		2003
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1292	}	2006	}
1293		2007
1294	# and all this just because we cannot iterate over	2008	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2009	my ($self) = @_;
1298		2010
1299	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1301	}	2014	}
1302		2015
1303	sub unlink_save {	2016	sub unlink_save {
1304	my ($self) = @_;	2017	my ($self) = @_;
1305		2018
1306	utf8::encode (my $save = $self->save_path);	2019	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2022	}
1315		2023
1316	sub load_header_from($) {	2024	sub load_header_from($) {
1317	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1318		2026
1319	utf8::encode $path;	2027	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	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;
1325		2036
1326	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1327		2038
1328	1	2039	1
1329	}	2040	}
…		…
1368	$self->load_header_orig	2079	$self->load_header_orig
1369	or return;	2080	or return;
1370	$self->prepare_orig;	2081	$self->prepare_orig;
1371	}	2082	}
1372		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
1373	1	2090	1
1374	}	2091	}
1375		2092
1376	sub find;	2093	sub find;
1377	sub find {	2094	sub find {
1378	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1379		2096
		2097	cf::cede_to_tick;
		2098
1380	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1381		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2103
1384	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1387	or return;	2106	or return;
1388		2107
1389	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1390		2109
1391	$map->load_header	2110	$map->load_header
1392	or return;	2111	or return;
1393		2112
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1397	$map->reset;	2118	$map->reset;
1398	undef $guard;
1399	return find $path;	2119	return find $path;
1400	}	2120	}
1401		2121
1402	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1403	}	2123	}
1404	}	2124	}
1405		2125
1406	sub pre_load { }	2126	sub pre_load { }
1407	sub post_load { }	2127	#sub post_load { } # XS
1408		2128
1409	sub load {	2129	sub load {
1410	my ($self) = @_;	2130	my ($self) = @_;
1411		2131
1412	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1413		2133
1414	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1416		2138
		2139	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2141
1419	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1420		2143
1421	$self->alloc;	2144	$self->alloc;
1422		2145
1423	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1424		2148
1425	$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)
1426	or return;	2152	or return;
1427		2153
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1429	if delete $self->{load_original};	2155	if delete $self->{load_original};
1430		2156
1431	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2158	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2161	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1436	}	2165	}
1437	}	2166	}
1438		2167
1439	Coro::cede;	2168	$f->resolve_delayed_derefs;
1440		2169
		2170	cf::cede_to_tick;
1441	# now do the right thing for maps	2171	# now do the right thing for maps
1442	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2174	unless $self->difficulty;
1452	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;
1453	$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);
1454	}	2189	}
1455		2190
1456	$self->post_load;	2191	$self->post_load;
1457		2192
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2193	1
1459	}	2194	}
1460		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
1461	sub customise_for {	2199	sub customise_for {
1462	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1463		2201
1464	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2203	if $self->per_player;
1466		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1467	$self	2208	$self
1468	}	2209	}
1469		2210
1470	# 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
1471	sub load_diag {	2212	sub load_neighbours {
1472	my ($map) = @_;	2213	my ($map) = @_;
1473		2214
1474	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1475		2216
1476	for (0 .. 3) {	2217	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1478	or next;	2219	or next;
1479	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1480	or next;	2221	or next;
1481	$neigh->load;	2222	$neigh->load;
1482		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2228	}
1486		2229
1487	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1489	or next;	2233	or next;
1490	$neigh->load;	2234	$neigh->load;
1491	}	2235	}
1492	}	2236	}
1493		2237
1494	sub find_sync {	2238	sub find_sync {
1495	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1496		2240
1497	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
1498	}	2245	}
1499		2246
1500	sub do_load_sync {	2247	sub do_load_sync {
1501	my ($map) = @_;	2248	my ($map) = @_;
1502		2249
1503	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;
1504	}	2254	}
1505		2255
1506	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1508		2258
1509	sub find_async {	2259	sub find_async {
1510	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1511		2261
1512	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1513		2263
1514	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2266	}
1517		2267
1518	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1519	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1520	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2275	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2276	$map->load if $v;
		2277	}
1525		2278
1526	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1527	}	2280	}
1528	}	2281	}
1529	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1530	};	2283	};
1531	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1532		2285
1533	()	2286	()
1534	}	2287	}
1535		2288
		2289	# common code, used by both ->save and ->swapout
1536	sub save {	2290	sub _save {
1537	my ($self) = @_;	2291	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2292
1541	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1542		2294
1543	return unless $self->dirty;	2295	return unless $self->dirty;
1544		2296
…		…
1550	return if $self->{deny_save};	2302	return if $self->{deny_save};
1551		2303
1552	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1553		2305
1554	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1556	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1557		2312
1558	if ($uniq) {	2313	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2316	} else {
1562	$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);
1563	}	2318	}
1564	}	2319	}
1565		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1566	sub swap_out {	2329	sub swap_out {
1567	my ($self) = @_;	2330	my ($self) = @_;
1568		2331
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1574	return if $self->players;	2336	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		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
1578	$self->clear;	2347	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2348	}
1581		2349
1582	sub reset_at {	2350	sub reset_at {
1583	my ($self) = @_;	2351	my ($self) = @_;
1584		2352
1585	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1588		2355
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	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;
1591		2358
…		…
1602	my ($self) = @_;	2369	my ($self) = @_;
1603		2370
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2372
1606	return if $self->players;	2373	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2374
1609	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	}
1610		2386
1611	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1612		2388
1613	$self->in_memory (cf::MAP_SWAPPED);	2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2391	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2392
1618	$self->unlink_save;	2393	$self->unlink_save;
1619	$self->destroy;	2394	$self->destroy;
1620	}	2395	}
1621		2396
1622	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1623		2398
1624	sub nuke {	2399	sub nuke {
1625	my ($self) = @_;	2400	my ($self) = @_;
1626		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1627	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1628		2406
1629	$self->unlink_save;	2407	$self->unlink_save;
1630		2408
1631	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2414
1637	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1638		2417
1639	$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	]
1640	}	2455	}
1641		2456
1642	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1643		2458
1644	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2460	instantiated unique items. May block.
1646		2461
1647	=cut	2462	=cut
1648		2463
1649	sub unique_maps() {	2464	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2465	[
1651	or return;	2466	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2467	utf8::decode $_;
1657	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2470	? ()
1660	push @paths, cf::map::normalise $_;	2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2473	]
1662
1663	\@paths
1664	}	2474	}
1665		2475
1666	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	}
1667		2507
1668	=back	2508	=back
1669		2509
1670	=head3 cf::object	2510	=head3 cf::object
1671		2511
…		…
1675		2515
1676	=over 4	2516	=over 4
1677		2517
1678	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1679		2519
1680	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.
1681		2522
1682	=cut	2523	=cut
1683		2524
1684	sub inv_recursive_;	2525	sub inv_recursive_;
1685	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1688		2529
1689	sub inv_recursive {	2530	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1691	}	2532	}
1692		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
1693	package cf;	2562	package cf;
1694		2563
1695	=back	2564	=back
1696		2565
1697	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1703	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>
1704	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
1705	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1706		2575
1707	=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	};
1708		2591
1709	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2593	# with dialog boxes.
1711	#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
1712	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1714		2597
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2599
1717	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1722	}	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 (@_);
1723	}	2625	}
1724		2626
1725	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1726		2628
1727	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1740		2642
1741	=item $player_object->enter_link	2643	=item $player_object->enter_link
1742		2644
1743	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}>).
1744		2646
1745	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.
1746	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.
1747		2651
1748	Will never block.	2652	Will never block.
1749		2653
1750	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1751		2655
…		…
1771	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2676	my ($self) = @_;
1773		2677
1774	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1775		2679
		2680	++$self->{_link_recursion};
		2681
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2683
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1780		2686
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2688	}
1783		2689
1784	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1786		2694
1787	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1788		2696
1789	unless ($map) {	2697	unless ($map) {
1790	# restore original map position	2698	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1803		2711
1804	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1807		2715
1808	$map->load;	2716	$map->load;
1809	$map->load_diag;	2717	$map->load_neighbours;
1810		2718
1811	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
1812	$self->activate_recursive;	2726	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2727	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2728
1830	# try to abort aborted map switching on player login :)	2729	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2730
1848	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		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
1850	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1851		2745
1852	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1853	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;
1854		2757
1855	$self->enter_link;	2758	$self->enter_link;
1856		2759
1857	(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
1858	my $map = eval {	2782	my $map = eval {
1859	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2798	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1866	})->prio (1);	2806	})->prio (1);
1867	}	2807	}
1868		2808
1869	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1870		2810
…		…
1890	}	2830	}
1891		2831
1892	sub prepare_random_map {	2832	sub prepare_random_map {
1893	my ($exit) = @_;	2833	my ($exit) = @_;
1894		2834
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2837	# that depends on the exit object
1900		2838
1901	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2841	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1908	}	2848	}
1909		2849
1910	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1911		2851
1912	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
1915		2855
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2858	undef $fh;
1919	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
1920		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1923	}	2867	}
1924	}	2868	}
1925		2869
1926	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
1928		2872
1929	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1930		2874
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2875	$self->enter_link;
1941		2876
1942	(async {	2877	(async {
1943	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1944	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
1945	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
1946		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
1947	1;	2901	1
1948	}) {	2902	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2907
1954	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2909	$self->leave_link;
1956	}	2910	}
1957	})->prio (1);	2911	})->prio (1);
1958	}	2912	}
1959		2913
…		…
1970		2924
1971	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1973		2927
1974	utf8::encode $text;	2928	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2930	}
1977		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	}
1978		3153
1979	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1980		3155
1981	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		3159
1985	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
1986	reliable at some point in the future.	3161	become reliable at some point in the future.
1987		3162
1988	=cut	3163	=cut
1989		3164
1990	sub cf::client::query {	3165	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3174	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3176
2002	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
2004	}	3181	}
2005		3182
2006	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	},
2007	on_reply => sub {	3189	on_reply => sub {
2008	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2009		3191
2010	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2011	# get handled first	3193	# get handled first
…		…
2023	} else {	3205	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3207	}
2026	}	3208	}
2027	},	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	},
2028	);	3236	);
2029		3237
2030	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2031		3239
2032	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3256
2049	$coro	3257	$coro
2050	}	3258	}
2051		3259
2052	cf::client->attach (	3260	cf::client->attach (
2053	on_destroy => sub {	3261	on_client_destroy => sub {
2054	my ($ns) = @_;	3262	my ($ns) = @_;
2055		3263
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3265	},
2058	);	3266	);
…		…
2073	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2075		3283
2076	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2077		3285
2078	$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	));
2079		3291
2080	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2081		3293
2082	=pod	3294	=pod
2083		3295
2084	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2085		3297
2086	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
2087	cf::object::player player	3303	cf::object::player
2088	cf::player peaceful	3304	player
2089	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2090		3311
2091	=cut	3312	=cut
2092		3313
2093	for (	3314	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2098	) {	3321	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3324	for @funs;
2103	}	3325	}
2104		3326
…		…
2119		3341
2120	my $qcode = $code;	3342	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2123		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2124	local $_;	3349	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3350
2127	my $eval =	3351	my $eval =
2128	"do {\n"	3352	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3355	. $code
2132	. "\n}"	3356	. "\n}"
2133	;	3357	;
2134		3358
		3359	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	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	}
2138		3368
2139	if ($@) {	3369	if ($@) {
2140	warn "$@";	3370	warn "$@",
2141	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2143	}	3373	}
2144		3374
2145	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2146	}	3376	}
2147		3377
…		…
2161	=cut	3391	=cut
2162		3392
2163	sub register_script_function {	3393	sub register_script_function {
2164	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2165		3395
2166	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2168	}	3398	}
2169		3399
2170	=back	3400	=back
2171		3401
2172	=cut	3402	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3403
2282	#############################################################################	3404	#############################################################################
2283	# the server's init and main functions	3405	# the server's init and main functions
2284		3406
		3407	sub load_facedata($) {
		3408	my ($path) = @_;
		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
		3416	trace "loading facedata from $path\n";
		3417
		3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
		3420
		3421	$facedata = Coro::Storable::thaw $facedata;
		3422
		3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
		3438	while (my ($face, $info) = each %$faces) {
		3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
		3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
		3449	while (my ($face, $info) = each %$faces) {
		3450	next unless $info->{smooth};
		3451
		3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		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	}
		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, $v);
		3504	}
		3505	};
		3506
2285	sub load_resources {	3507	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2287	or die "unable to load regions file\n";#d#	3523	or die "unable to load regions file\n";
2288	}
2289		3524
2290	sub cfg_load {	3525	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3526	$_->{match} = qr/$_->{match}/
2292	or return;	3527	if exists $_->{match};
		3528	}
		3529	}
2293		3530
2294	local $/;	3531	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
2296		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$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
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3593
2299	$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};
2300	$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};
2301		3596
2302	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2306	};	3601	};
2307	warn $@ if $@;	3602	warn $@ if $@;
2308	}	3603	}
2309	}	3604	}
2310		3605
2311	sub init {	3606	sub pidfile() {
2312	load_resources;	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;
2313	}	3632	}
2314		3633
2315	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
2316	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2318	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#
2319	(async {	3647	(async {
2320	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2322	};	3651	};
2323		3652
2324	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2325	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
2326	load_extensions;	3676	load_extensions;
2327		3677
2328	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2329	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;
2330	}	3696	}
2331		3697
2332	#############################################################################	3698	#############################################################################
2333	# initialisation and cleanup	3699	# initialisation and cleanup
2334		3700
2335	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2336	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2345	},
2346	);	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
2347	}	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 };
2348	}	3797	}
2349		3798
2350	sub emergency_save() {	3799	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2352		3801
2353	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;
2354		3808
2355	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2356	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3820	$pl->save;
2364	}	3821	}
2365	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2366		3823
2367	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";
2368	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3829	$map->valid or next;
2371	$map->save;	3830	$map->save;
2372	}	3831	}
2373	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 $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3862	};
2375		3863
2376	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2377	}	3865	}
2378		3866
		3867	sub post_cleanup {
		3868	my ($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
2379	sub reload() {	3904	sub do_reload_perl() {
2380	# can/must only be called in main	3905	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2382	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2383	return;	3908	return;
2384	}	3909	}
2385		3910
2386	warn "reloading...";	3911	return if $RELOAD++;
2387		3912
2388	warn "cancelling server ticker";	3913	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		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 {
2391	cf::emergency_save;	3922	#cf::emergency_save;
2392		3923
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3926	%EXT_CORO = ();
2415		3927
2416	warn "removing commands";	3928	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3929	%COMMAND = ();
2418		3930
2419	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2421		3934
2422	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2425		3938
2426	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3940	eval {
2428	$cb->($pkg);	3941	$cb->($pkg);
2429	1	3942	1
2430	} 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;
2431	}	3948	}
2432		3949
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3953
2441	warn "... unloading $k";	3954	trace "... unloading $k";
2442	delete $INC{$k};	3955	delete $INC{$k};
2443		3956
2444	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2446		3959
2447	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2449	}	3965	}
2450		3966
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2456	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);
2457		3970
2458	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3974
2461	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3976	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2464		3978
2465	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2466		3980
2467	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2468	require cf;	3982	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2470		3984
2471	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	3986	cf::reload_config;
2473	cf::db_load;
2474		3987
2475	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	3989	cf::load_extensions;
2477		3990
		3991	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	3993	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
2482		3999
2483	warn "loading reloadable resources";	4000	cf::_post_init 1;
2484	load_resources;
2485		4001
2486	warn "restarting server ticker";	4002	trace "perl_reload: leaving sync_job";
2487		4003
2488	$TICK_WATCHER->start;	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	};
2489	};	4030	};
2490		4031	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4032
2502	register_command "reload" => sub {	4033	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2504		4035
2505	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
2507		4038	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4039	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4040	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4041	};
2520	}	4042	}
2521	};	4043	};
2522		4044
2523	unshift @INC, $LIBDIR;	4045	#############################################################################
2524		4046
2525	my $bug_warning = 0;	4047	my $bug_warning = 0;
2526		4048
2527	$TICK_WATCHER = Event->timer (	4049	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4050	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4051
2530	prio => 0,	4052	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4054
2533	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 {
2534	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
2535	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"
2536	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2537	return;	4072	return;
2538	}	4073	}
2539		4074
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4076
2546	$WAIT_FOR_TICK->broadcast;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4078
2549	Event::sweep;	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	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#
2551		4103	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4104	}
2561	);	4105	}
2562		4106
2563	{	4107	{
2564	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4109
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
2574		4111	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4113
2590	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	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);
2592		4121
2593	cf::sync_job {	4122	cf::sync_job {
		4123	eval {
2594	BDB::db_env_open	4124	BDB::db_env_open
2595	$DB_ENV,	4125	$DB_ENV,
2596	$BDB_ENV_DIR,	4126	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4129	0666;
2600		4130
2601	cf::cleanup "$!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4132	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4133
2604	$DB_ENV->set_lk_detect;	4134	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4135	};
2606	}	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	};
2607	}	4147	}
2608		4148
2609	{	4149	{
		4150	# configure IO::AIO
		4151
2610	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4155	}
2623		4156
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4157	our $_log_backtrace;
2625	reentrant => 0,	4158	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4159
2627	after => 1,	4160	sub _log_backtrace {
2628	interval => 10,	4161	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4162
2630	cb => Coro::unblock_sub {	4163	$msg =~ s/\n$//;
2631	write_runtime	4164
2632	or warn "ERROR: unable to write runtime file: $!";	4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		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] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4201	}
2634	);	4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2635		4207
2636	END { cf::emergency_save }	4208	END { cf::emergency_save }
2637		4209
2638	1	4210	1
2639		4211

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