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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	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;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
54	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
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	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::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	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
113	every server tick.	201	every server tick.
114		202
115	=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
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	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
136	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
137	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.
138	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.
139		257
140	=back	258	=back
141		259
142	=cut	260	=cut
143		261
144	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	269	my $msg = join "", @_;
147	utf8::encode $msg;
148		270
149	$msg .= "\n"	271	$msg .= "\n"
150	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
151		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
152	LOG llevError, $msg;	276	LOG llevWarn, $msg;
153	};	277	};
154	}	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	};
155		292
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		300
163	# 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
164	# within the Safe compartment.	302	# within the Safe compartment.
165	for my $pkg (qw(	303	for my $pkg (qw(
166	cf::global cf::attachable	304	cf::global cf::attachable
167	cf::object cf::object::player	305	cf::object cf::object::player
168	cf::client cf::player	306	cf::client cf::player
169	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
170	cf::map cf::party cf::region	309	cf::party cf::region
171	)) {	310	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	312	}
175		313
176	$Event::DIED = sub {	314	$EV::DIED = sub {
177	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
178	};	316	};
		317
		318	#############################################################################
179		319
180	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
181		321
182	=over 4	322	=over 4
183		323
…		…
202	$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;
203	$d	343	$d
204	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
205	}	345	}
206		346
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
210		348
211	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
212		350
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
221		352
222	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
223		354
224	=cut	355	=cut
225		356
226	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
228	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	}
229	}	403	}
230		404
231	=item cf::lock_wait $string	405	=item cf::lock_wait $string
232		406
233	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
234		408
235	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
236		410
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
240	returned.	414	returned.
241		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
242	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
243	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
244		421
245	=cut	422	=item $locked = cf::lock_active $string
246		423
247	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
248		429
249	sub lock_wait($) {	430	sub lock_wait($) {
250	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	432	}
258		433
259	sub lock_acquire($) {	434	sub lock_acquire($) {
260	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
261		437
262	# wait, to be sure we are not locked	438	sub lock_active($) {
263	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	440	}
272		441
273	sub freeze_mainloop {	442	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
275		444
276	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	446	}
278	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
279	};	512	}
280	$WRITE_RUNTIME_WATCHER->stop;	513	};
281	$TICK_WATCHER->stop;	514
282	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
283	}	528	}
284		529
285	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
286		531
287	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		537
293	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
294		539
295	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
296		541
297	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
300		546
301	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
304	fast or be very important.	550	fast or be very important.
…		…
306	=cut	552	=cut
307		553
308	sub sync_job(&) {	554	sub sync_job(&) {
309	my ($job) = @_;	555	my ($job) = @_;
310		556
311	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
312	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
314		562
315	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	564
317	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
318		566
319	my $busy = 1;	567	my $busy = 1;
320	my @res;	568	my @res;
321		569
322	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	572	@res = eval { $job->() };
324	warn $@ if $@;	573	error $@ if $@;
325	undef $busy;	574	undef $busy;
326	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
327		576
328	while ($busy) {	577	while ($busy) {
329	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
330	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
331		588
332	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
333	} else {	590	} else {
334	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
335		592
…		…
355	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
356		613
357	$coro	614	$coro
358	}	615	}
359		616
360	sub write_runtime {	617	=item fork_call { }, @args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		618
363	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		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.
364		623
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
366	or return;
367		625
368	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
369	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
370	# 60 allows for the watchdog to kill the server.	628	}
371		629
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
373	and return;	631	my ($cb, @args) = @_;
374		632
375	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
376	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
377	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
378		636
379	close $fh	637	my @res = Coro::Util::fork_eval {
380	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
381		641
382	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
383	and return;	643	}
384		644
		645	sub objinfo {
385	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 });
386	}	821	}
387		822
388	=back	823	=back
389		824
390	=cut	825	=cut
391		826
392	#############################################################################	827	#############################################################################
393		828
394	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
395		830
396	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
397	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")
398	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
399		834
400	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>
401	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
402	crossfire+).	837	Deliantra).
403		838
404	=over 4	839	=over 4
405		840
406	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
407		842
…		…
451	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
452		887
453	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
454	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
455		890
456	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		893
459	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
460		895
461	=over 4	896	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
571		1006
572	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		1011
577	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
579		1014
580	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
585		1020
586	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
587	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
588		1023
589	} elsif (ref $type) {	1024	} elsif (ref $type) {
590	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
591		1026
592	} else {	1027	} else {
593	shift @arg;	1028	shift @arg;
594	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
595	}	1030	}
596	}	1031	}
597	}	1032	}
598		1033
599	sub _object_attach {	1034	sub _object_attach {
…		…
609	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
610	}	1045	}
611		1046
612	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
613	} else {	1048	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
615	}	1050	}
616		1051
617	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
618	}	1053	}
619		1054
…		…
621	if (ref $_[0]) {	1056	if (ref $_[0]) {
622	_object_attach @_;	1057	_object_attach @_;
623	} else {	1058	} else {
624	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
625	}	1060	}
		1061	_recalc_want;
626	};	1062	};
627		1063
628	# all those should be optimised	1064	# all those should be optimised
629	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
634	reattach ($obj);	1070	reattach ($obj);
635	} else {	1071	} else {
636	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
637	}	1073	}
		1074	_recalc_want;
638	};	1075	};
639		1076
640	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
642		1079
…		…
657	";	1094	";
658	die if $@;	1095	die if $@;
659	}	1096	}
660		1097
661	our $override;	1098	our $override;
662	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?
663		1100
664	sub override {	1101	sub override {
665	$override = 1;	1102	$override = 1;
666	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
667	}	1104	}
668		1105
669	sub do_invoke {	1106	sub do_invoke {
670	my $event = shift;	1107	my $event = shift;
671	my $callbacks = shift;	1108	my $callbacks = shift;
672		1109
673	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
674		1111
675	local $override;	1112	local $override;
676		1113
677	for (@$callbacks) {	1114	for (@$callbacks) {
678	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
679		1116
680	if ($@) {	1117	if ($@) {
681	warn "$@";
682	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
683	override;	1119	override;
684	}	1120	}
685		1121
686	return 1 if $override;	1122	return 1 if $override;
687	}	1123	}
688		1124
689	0	1125	0
690	}	1126	}
691		1127
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1129
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1131
696	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
697		1133
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1137
702	=back	1138	=back
703		1139
704	=cut	1140	=cut
705		1141
706	#############################################################################	1142	#############################################################################
707	# 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, $ob2
		1185	}
708		1186
709	sub reattach {	1187	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1189	my ($obj) = @_;
712		1190
		1191	# no longer needed after getting rid of delete_package?
713	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
714		1193
715	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
716		1195
717	@$registry = ();	1196	@$registry = ();
718		1197
…		…
723	for (@$attach) {	1202	for (@$attach) {
724	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
725	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
726	}	1205	}
727	} else {	1206	} else {
728	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
729	}	1208	}
730	}	1209	}
731	}	1210	}
732		1211
733	cf::attachable->attach (	1212	cf::attachable->attach (
734	prio => -1000000,	1213	prio => -1000000,
735	on_instantiate => sub {	1214	on_instantiate => sub {
736	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
737		1216
738	$data = from_json $data;	1217	$data = decode_json $data;
739		1218
740	for (@$data) {	1219	for (@$data) {
741	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
742		1221
743	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1238	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
761		1240
762	sync_job {	1241	sync_job {
763	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
766		1247
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	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	}
771	close $fh;	1255	aio_close $fh;
772		1256
773	if (@$objs) {	1257	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
778	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	}
779	close $fh;	1266	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
781	}	1268	}
782	} else {	1269	} else {
783	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
784	}	1271	}
785		1272
786	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1277	} else {
788	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
789	}	1279	}
790	} else {	1280	} else {
791	aio_unlink $filename;	1281	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
793	}	1283	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1284	};
801	}	1285	}
802		1286
803	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
805		1289
…		…
810		1294
811	sub object_thawer_load {	1295	sub object_thawer_load {
812	my ($filename) = @_;	1296	my ($filename) = @_;
813		1297
814	my ($data, $av);	1298	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1299
819	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
820	or return;	1301	or return;
821		1302
822	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
824	or return;	1305	or return;
		1306
825	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
826	}	1309	}
827		1310
		1311	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
830	return ($data, $av);	1316	($data, $av)
831	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
832		1324
833	#############################################################################	1325	#############################################################################
834	# command handling &c	1326	# command handling &c
835		1327
836	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1342	}
851		1343
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1345
854	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.
855		1351
856	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
857	called.	1353	called.
858		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
859	=cut	1366	=cut
860		1367
861	sub register_extcmd {	1368	sub register_extcmd {
862	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
863		1370
864	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
865	}	1372	}
866		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
867	cf::player->attach (	1382	cf::player->attach (
868	on_command => sub {	1383	on_unknown_command => sub {
869	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
870		1385
871	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
872	or return;	1387	or return;
873		1388
…		…
878	cf::override;	1393	cf::override;
879	},	1394	},
880	on_extcmd => sub {	1395	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
882		1397
883	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1399
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
891	} else {	1415	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1417	}
894		1418
895	cf::override;	1419	cf::override;
896	},	1420	},
897	);	1421	);
898		1422
		1423	# "readahead" all extensions
899	sub load_extension {	1424	sub cache_extensions {
900	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
901		1426
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1430	}
927	die $@;
928	}	1431	};
929		1432
930	push @EXTS, $pkg;	1433	$grp
931	}	1434	}
932		1435
933	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
934	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1443	next unless -r $path;
936	eval {	1444
937	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 $active;
		1507	}
938	1	1508	}
939	} or warn "$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	}
940	}	1519	};
941	}	1520	}
942		1521
943	#############################################################################	1522	#############################################################################
944		1523
		1524	=back
		1525
945	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
946		1527
947	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
948		1529
949	=cut	1530	=cut
950		1531
951	package cf::player;	1532	package cf::player;
952		1533
…		…
954		1535
955	=head3 cf::player	1536	=head3 cf::player
956		1537
957	=over 4	1538	=over 4
958		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
959	=item cf::player::find $login	1554	=item cf::player::find $login
960		1555
961	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
962		1557
963	=cut	1558	=cut
964		1559
965	sub playerdir($) {	1560	sub playerdir($) {
966	cf::localdir	1561	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1563	}
972		1564
973	sub path($) {	1565	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1567
976	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
977	}	1569	}
978		1570
979	sub find_active($) {	1571	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
984		1576
985	sub exists($) {	1577	sub exists($) {
986	my ($login) = @_;	1578	my ($login) = @_;
987		1579
988	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
990	}	1582	}
991		1583
992	sub find($) {	1584	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1586	my $login = $_[0];
995		1587
996	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
997		1589
998	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1002	}	1607	}
1003	}	1608	}
1004	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1005		1623
1006	sub save($) {	1624	sub save($) {
1007	my ($pl) = @_;	1625	my ($pl) = @_;
1008		1626
1009	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1014	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1015		1633
1016	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1018		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
1019	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1020	Coro::cede;	1643	cf::cede_to_tick;
1021	}	1644	}
1022		1645
1023	sub new($) {	1646	sub new($) {
1024	my ($login) = @_;	1647	my ($login) = @_;
1025		1648
…		…
1031	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1032		1655
1033	$self	1656	$self
1034	}	1657	}
1035		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
1036	=item $pl->quit_character	1669	=item $pl->quit_character
1037		1670
1038	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1040		1673
1041	=cut	1674	=cut
1042		1675
1043	sub quit_character {	1676	sub quit_character {
1044	my ($pl) = @_;	1677	my ($pl) = @_;
1045		1678
		1679	my $name = $pl->ob->name;
		1680
1046	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1047	$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
1048		1683
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1050	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1052	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1053		1692
1054	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1719	}
1061		1720
1062	=item cf::player::list_logins	1721	=item cf::player::list_logins
1063		1722
1064	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
1065	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1066		1725
1067	=cut	1726	=cut
1068		1727
1069	sub list_logins {	1728	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1730	or return [];
1072		1731
1073	my @logins;	1732	my @logins;
1074		1733
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1079		1744
1080	utf8::decode $login;	1745	utf8::decode $login;
1081	push @logins, $login;	1746	push @logins, $login;
1082	}	1747	}
1083		1748
1084	\@logins	1749	\@logins
1085	}	1750	}
1086		1751
1087	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1088		1755
1089	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1090	player. May block.	1757	player. May block.
1091		1758
1092	=cut	1759	=cut
…		…
1110	}	1777	}
1111		1778
1112	\@paths	1779	\@paths
1113	}	1780	}
1114		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1116		1787
1117	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1118		1789
1119	=cut	1790	=cut
1120		1791
1121	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1123		1794
1124	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1796	}
1128		1797
1129	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	}
1130		1840
1131	=back	1841	=back
1132
1133		1842
1134	=head3 cf::map	1843	=head3 cf::map
1135		1844
1136	=over 4	1845	=over 4
1137		1846
…		…
1149	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1151		1860
1152	sub generate_random_map {	1861	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1154	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1155	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159	$rmp->{exit_on_final_map},
1160	$rmp->{xsize}, $rmp->{ysize},
1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1166	(cf::region::find $rmp->{region}), $rmp->{custom}
1167	)
1168	}	1867	}
1169		1868
1170	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1171		1870
1172	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1177		1876
1178	sub register {	1877	sub register {
1179	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1180	my $pkg = caller;	1879	my $pkg = caller;
1181		1880
1182	no strict;
1183	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1184		1882
1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1186	}	1884	}
1187		1885
1188	# also paths starting with '/'	1886	# also paths starting with '/'
1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1190		1888
1191	sub thawer_merge {	1889	sub thawer_merge {
1192	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1193		1891
1194	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1195	local $self->{path};	1893	local $self->{path};
1196	local $self->{load_path};	1894	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1895
1200	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1201	}	1897	}
1202		1898
1203	sub normalise {	1899	sub normalise {
1204	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1205		1901
1206	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1207		1903
1208	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1209		1905
1210	# map plan:	1906	# map plan:
1211	#	1907	#
…		…
1226	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1227	$path = "$base/$path";	1923	$path = "$base/$path";
1228	}	1924	}
1229		1925
1230	for ($path) {	1926	for ($path) {
1231	redo if s{//}{/};
1232	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1233	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1234	}	1929	}
1235		1930
1236	$path	1931	$path
…		…
1250	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1251	return $self;	1946	return $self;
1252	}	1947	}
1253	}	1948	}
1254		1949
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1256	()	1951	()
1257	}	1952	}
1258		1953
1259	sub init {	1954	sub init {
1260	my ($self) = @_;	1955	my ($self) = @_;
…		…
1275		1970
1276	# the original (read-only) location	1971	# the original (read-only) location
1277	sub load_path {	1972	sub load_path {
1278	my ($self) = @_;	1973	my ($self) = @_;
1279		1974
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1281	}	1976	}
1282		1977
1283	# the temporary/swap location	1978	# the temporary/swap location
1284	sub save_path {	1979	sub save_path {
1285	my ($self) = @_;	1980	my ($self) = @_;
1286		1981
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1289	}	1984	}
1290		1985
1291	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1292	sub uniq_path {	1987	sub uniq_path {
1293	my ($self) = @_;	1988	my ($self) = @_;
1294		1989
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1297	}	1992	}
1298		1993
1299	# and all this just because we cannot iterate over	1994	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	1995	my ($self) = @_;
1303		1996
1304	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1306	}	2000	}
1307		2001
1308	sub unlink_save {	2002	sub unlink_save {
1309	my ($self) = @_;	2003	my ($self) = @_;
1310		2004
1311	utf8::encode (my $save = $self->save_path);	2005	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	2008	}
1320		2009
1321	sub load_header_from($) {	2010	sub load_header_from($) {
1322	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1323		2012
1324	utf8::encode $path;	2013	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1330		2022
1331	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1332		2024
1333	1	2025	1
1334	}	2026	}
…		…
1373	$self->load_header_orig	2065	$self->load_header_orig
1374	or return;	2066	or return;
1375	$self->prepare_orig;	2067	$self->prepare_orig;
1376	}	2068	}
1377		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
1378	1	2076	1
1379	}	2077	}
1380		2078
1381	sub find;	2079	sub find;
1382	sub find {	2080	sub find {
1383	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1384		2082
		2083	cf::cede_to_tick;
		2084
1385	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1386		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1388		2089
1389	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1392	or return;	2092	or return;
1393		2093
1394	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1395		2095
1396	$map->load_header	2096	$map->load_header
1397	or return;	2097	or return;
1398		2098
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1402	$map->reset;	2104	$map->reset;
1403	undef $guard;
1404	return find $path;	2105	return find $path;
1405	}	2106	}
1406		2107
1407	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1408	}	2109	}
1409	}	2110	}
1410		2111
1411	sub pre_load { }	2112	sub pre_load { }
1412	sub post_load { }	2113	#sub post_load { } # XS
1413		2114
1414	sub load {	2115	sub load {
1415	my ($self) = @_;	2116	my ($self) = @_;
1416		2117
1417	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1418		2119
1419	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1421		2124
		2125	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2127
1424	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1425		2129
1426	$self->alloc;	2130	$self->alloc;
1427		2131
1428	$self->pre_load;	2132	$self->pre_load;
		2133	cf::cede_to_tick;
1429		2134
1430	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1431	or return;	2138	or return;
1432		2139
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1434	if delete $self->{load_original};	2141	if delete $self->{load_original};
1435		2142
1436	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2144	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2147	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1441	}	2151	}
1442	}	2152	}
1443		2153
1444	Coro::cede;	2154	$f->resolve_delayed_derefs;
1445		2155
		2156	cf::cede_to_tick;
1446	# now do the right thing for maps	2157	# now do the right thing for maps
1447	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2160	unless $self->difficulty;
1457	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1458	$self->activate;	2168	$self->activate;
		2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2175	}
1460		2176
1461	$self->post_load;	2177	$self->post_load;
1462		2178
1463	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1464	}	2180	}
1465		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1466	sub customise_for {	2185	sub customise_for {
1467	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1468		2187
1469	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2189	if $self->per_player;
1471		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1472	$self	2194	$self
1473	}	2195	}
1474		2196
1475	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2198	sub load_neighbours {
1477	my ($map) = @_;	2199	my ($map) = @_;
1478		2200
1479	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1480		2202
1481	for (0 .. 3) {	2203	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1483	or next;	2205	or next;
1484	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1485	or next;	2207	or next;
1486	$neigh->load;	2208	$neigh->load;
1487		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2214	}
1491		2215
1492	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1494	or next;	2219	or next;
1495	$neigh->load;	2220	$neigh->load;
1496	}	2221	}
1497	}	2222	}
1498		2223
1499	sub find_sync {	2224	sub find_sync {
1500	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1501		2226
1502	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1503	}	2231	}
1504		2232
1505	sub do_load_sync {	2233	sub do_load_sync {
1506	my ($map) = @_;	2234	my ($map) = @_;
1507		2235
1508	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1509	}	2240	}
1510		2241
1511	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1513		2244
1514	sub find_async {	2245	sub find_async {
1515	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1516		2247
1517	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1518		2249
1519	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2252	}
1522		2253
1523	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1524	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1525	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2261	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2262	$map->load if $v;
		2263	}
1530		2264
1531	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1532	}	2266	}
1533	}	2267	}
1534	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1535	};	2269	};
1536	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1537		2271
1538	()	2272	()
1539	}	2273	}
1540		2274
		2275	# common code, used by both ->save and ->swapout
1541	sub save {	2276	sub _save {
1542	my ($self) = @_;	2277	my ($self) = @_;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1545		2278
1546	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1547		2280
1548	return unless $self->dirty;	2281	return unless $self->dirty;
1549		2282
…		…
1555	return if $self->{deny_save};	2288	return if $self->{deny_save};
1556		2289
1557	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1558		2291
1559	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1561	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1562		2298
1563	if ($uniq) {	2299	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2302	} else {
1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1568	}	2304	}
1569	}	2305	}
1570		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1571	sub swap_out {	2315	sub swap_out {
1572	my ($self) = @_;	2316	my ($self) = @_;
1573		2317
1574	# save first because save cedes
1575	$self->save;
1576
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1579	return if $self->players;	2322	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};
1582		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1583	$self->clear;	2333	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2334	}
1586		2335
1587	sub reset_at {	2336	sub reset_at {
1588	my ($self) = @_;	2337	my ($self) = @_;
1589		2338
1590	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1593		2341
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2344
…		…
1607	my ($self) = @_;	2355	my ($self) = @_;
1608		2356
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2358
1611	return if $self->players;	2359	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2360
1614	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1615		2362
1616	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1617		2364
1618	# need to save uniques path	2365	# need to save uniques path
1619	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2370	if $uniq;
1624	}	2371	}
1625		2372
1626	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1627		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2377	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2378
1632	$self->unlink_save;	2379	$self->unlink_save;
1633	$self->destroy;	2380	$self->destroy;
1634	}	2381	}
1635		2382
1636	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1637		2384
1638	sub nuke {	2385	sub nuke {
1639	my ($self) = @_;	2386	my ($self) = @_;
1640		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1641	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1642		2392
1643	$self->unlink_save;	2393	$self->unlink_save;
1644		2394
1645	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1646	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2400
1651	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1652		2403
1653	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1654	}	2441	}
1655		2442
1656	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1657		2444
1658	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2446	instantiated unique items. May block.
1660		2447
1661	=cut	2448	=cut
1662		2449
1663	sub unique_maps() {	2450	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1665	or return;	2452	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2453	utf8::decode $_;
1671	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2456	? ()
1674	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2459	]
1676
1677	\@paths
1678	}	2460	}
1679		2461
1680	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1681		2493
1682	=back	2494	=back
1683		2495
1684	=head3 cf::object	2496	=head3 cf::object
1685		2497
…		…
1689		2501
1690	=over 4	2502	=over 4
1691		2503
1692	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1693		2505
1694	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1695		2508
1696	=cut	2509	=cut
1697		2510
1698	sub inv_recursive_;	2511	sub inv_recursive_;
1699	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1702		2515
1703	sub inv_recursive {	2516	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1705	}	2518	}
1706		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1707	package cf;	2548	package cf;
1708		2549
1709	=back	2550	=back
1710		2551
1711	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1720		2561
1721	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1722		2577
1723	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2579	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1728		2583
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2585
1731	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1733	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1736	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1737	}	2611	}
1738		2612
1739	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1740		2614
1741	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1754		2628
1755	=item $player_object->enter_link	2629	=item $player_object->enter_link
1756		2630
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2632
1759	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1761		2637
1762	Will never block.	2638	Will never block.
1763		2639
1764	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1765		2641
…		…
1785	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1786	my ($self) = @_;	2662	my ($self) = @_;
1787		2663
1788	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1789		2665
		2666	++$self->{_link_recursion};
		2667
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2669
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1794		2672
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1796	}	2674	}
1797		2675
1798	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1800		2680
1801	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1802		2682
1803	unless ($map) {	2683	unless ($map) {
1804	# restore original map position	2684	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1817		2697
1818	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1821		2701
1822	$map->load;	2702	$map->load;
1823	$map->load_diag;	2703	$map->load_neighbours;
1824		2704
1825	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2712	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}
1829
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2713	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2714
1844	# try to abort aborted map switching on player login :)	2715	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2716
1862	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1864	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1865		2731
1866	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2743
1869	$self->enter_link;	2744	$self->enter_link;
1870		2745
1871	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1872	my $map = eval {	2768	my $map = eval {
1873	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1875	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2784	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1880	})->prio (1);	2792	})->prio (1);
1881	}	2793	}
1882		2794
1883	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1884		2796
…		…
1904	}	2816	}
1905		2817
1906	sub prepare_random_map {	2818	sub prepare_random_map {
1907	my ($exit) = @_;	2819	my ($exit) = @_;
1908		2820
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2823	# that depends on the exit object
1914		2824
1915	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2827	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1922	}	2834	}
1923		2835
1924	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1925		2837
1926	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1929		2841
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2844	undef $fh;
1933	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1934		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1937	}	2853	}
1938	}	2854	}
1939		2855
1940	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1942		2858
1943	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1944		2860
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2861	$self->enter_link;
1955		2862
1956	(async {	2863	(async {
1957	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1958	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
1959	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
1960		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1961	1;	2887	1
1962	}) {	2888	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2893
1968	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2895	$self->leave_link;
1970	}	2896	}
1971	})->prio (1);	2897	})->prio (1);
1972	}	2898	}
1973		2899
…		…
1984		2910
1985	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1987		2913
1988	utf8::encode $text;	2914	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2916	}
1991		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1992		3139
1993	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1994		3141
1995	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3145
1999	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3147	become reliable at some point in the future.
2001		3148
2002	=cut	3149	=cut
2003		3150
2004	sub cf::client::query {	3151	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3160	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3162
2016	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2018	}	3167	}
2019		3168
2020	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2021	on_reply => sub {	3175	on_reply => sub {
2022	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2023		3177
2024	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2025	# get handled first	3179	# get handled first
…		…
2037	} else {	3191	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3193	}
2040	}	3194	}
2041	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2042	);	3222	);
2043		3223
2044	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2045		3225
2046	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3242
2063	$coro	3243	$coro
2064	}	3244	}
2065		3245
2066	cf::client->attach (	3246	cf::client->attach (
2067	on_destroy => sub {	3247	on_client_destroy => sub {
2068	my ($ns) = @_;	3248	my ($ns) = @_;
2069		3249
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3251	},
2072	);	3252	);
…		…
2087	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2089		3269
2090	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2091		3271
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2093		3277
2094	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2095		3279
2096	=pod	3280	=pod
2097		3281
2098	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2099		3283
2100	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2101	cf::object::player player	3289	cf::object::player
2102	cf::player peaceful	3290	player
2103	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2104		3297
2105	=cut	3298	=cut
2106		3299
2107	for (	3300	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2112	) {	3307	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3310	for @funs;
2117	}	3311	}
2118		3312
…		…
2133		3327
2134	my $qcode = $code;	3328	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2137		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2138	local $_;	3335	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3336
2141	my $eval =	3337	my $eval =
2142	"do {\n"	3338	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3341	. $code
2146	. "\n}"	3342	. "\n}"
2147	;	3343	;
2148		3344
		3345	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2152		3354
2153	if ($@) {	3355	if ($@) {
2154	warn "$@";	3356	warn "$@",
2155	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2157	}	3359	}
2158		3360
2159	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2160	}	3362	}
2161		3363
…		…
2175	=cut	3377	=cut
2176		3378
2177	sub register_script_function {	3379	sub register_script_function {
2178	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2179		3381
2180	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2182	}	3384	}
2183		3385
2184	=back	3386	=back
2185		3387
2186	=cut	3388	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3389
2260	#############################################################################	3390	#############################################################################
2261	# the server's init and main functions	3391	# the server's init and main functions
2262		3392
		3393	sub load_facedata($) {
		3394	my ($path) = @_;
		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
		3402	trace "loading facedata from $path\n";
		3403
		3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
		3406
		3407	$facedata = Coro::Storable::thaw $facedata;
		3408
		3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
		3421	{
		3422	my $faces = $facedata->{faceinfo};
		3423
		3424	while (my ($face, $info) = each %$faces) {
		3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
		3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
		3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	while (my ($face, $info) = each %$faces) {
		3437	next unless $info->{smooth};
		3438
		3439	my $idx = cf::face::find $face
		3440	or next;
		3441
		3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
2263	sub load_resources {	3494	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3510	or die "unable to load regions file\n";
2266	}
2267		3511
2268	sub cfg_load {	3512	for (cf::region::list) {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3513	$_->{match} = qr/$_->{match}/
2270	or return;	3514	if exists $_->{match};
		3515	}
		3516	}
2271		3517
2272	local $/;	3518	sub reload_facedata {
2273	*CFG = YAML::Syck::Load <$fh>;	3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
2274		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
		3556	sub reload_resources {
		3557	trace "reloading resource files...\n";
		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
		3564	reload_regions;
		3565	reload_treasures;
		3566
		3567	trace "finished reloading resource files\n";
		3568	}
		3569
		3570	sub reload_config {
		3571	trace "reloading config file...\n";
		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2276		3580
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2279		3583
2280	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2284	};	3588	};
2285	warn $@ if $@;	3589	warn $@ if $@;
2286	}	3590	}
2287	}	3591	}
2288		3592
2289	sub init {	3593	sub pidfile() {
2290	load_resources;	3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3619	}
2292		3620
2293	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2294	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3634	(async {
2298	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2300	};	3638	};
2301		3639
2302	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2303	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2304	load_extensions;	3663	load_extensions;
2305		3664
2306	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2308	}	3683	}
2309		3684
2310	#############################################################################	3685	#############################################################################
2311	# initialisation and cleanup	3686	# initialisation and cleanup
2312		3687
2313	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2314	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2323	},
2324	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2325	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2326	}	3784	}
2327		3785
2328	sub emergency_save() {	3786	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2330		3788
2331	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2332		3795
2333	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2334	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3807	$pl->save;
2342	}	3808	}
2343	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2344		3810
2345	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3816	$map->valid or next;
2349	$map->save;	3817	$map->save;
2350	}	3818	}
2351	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2352		3820
2353	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3849	};
2357		3850
2358	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2359	}	3852	}
2360		3853
2361	sub post_cleanup {	3854	sub post_cleanup {
2362	my ($make_core) = @_;	3855	my ($make_core) = @_;
2363		3856
		3857	IO::AIO::flush;
		3858
2364	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3860	if $make_core;
2366	}
2367		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2368	sub reload() {	3891	sub do_reload_perl() {
2369	# can/must only be called in main	3892	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2371	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2372	return;	3895	return;
2373	}	3896	}
2374		3897
2375	warn "reloading...";	3898	return if $RELOAD++;
2376		3899
2377	warn "cancelling server ticker";	3900	my $t1 = AE::time;
2378	$TICK_WATCHER->cancel;
2379		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
		3908	cf::sync_job {
2380	cf::emergency_save;	3909	#cf::emergency_save;
2381		3910
2382	eval {
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3913	%EXT_CORO = ();
2405		3914
2406	warn "removing commands";	3915	trace "perl_reload: removing commands";
2407	%COMMAND = ();	3916	%COMMAND = ();
2408		3917
2409	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2410	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2411		3921
2412	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2415		3925
2416	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3927	eval {
2418	$cb->($pkg);	3928	$cb->($pkg);
2419	1	3929	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2421	}	3935	}
2422		3936
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3940
2431	warn "... unloading $k";	3941	trace "... unloading $k";
2432	delete $INC{$k};	3942	delete $INC{$k};
2433		3943
2434	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2436		3946
2437	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2439	}	3952	}
2440		3953
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3957
2448	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3961
2451	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3963	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2454		3965
2455	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2456		3967
2457	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2458	require cf;	3969	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2460		3971
2461	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2462	cf::cfg_load;	3973	cf::reload_config;
2463		3974
2464	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2465	cf::load_extensions;	3976	cf::load_extensions;
2466		3977
		3978	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2468	_global_reattach;	3980	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
		3983	trace "perl_reload: reattaching attachments to players";
		3984	reattach $_ for values %PLAYER;
		3985	}
2471		3986
2472	warn "loading reloadable resources";	3987	cf::_post_init 1;
2473	load_resources;
2474		3988
2475	warn "restarting server ticker";	3989	trace "perl_reload: leaving sync_job";
2476		3990
2477	$TICK_WATCHER->start;	3991	1
		3992	} or do {
		3993	error $@;
		3994	cf::cleanup "perl_reload: error, exiting.";
		3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2478	};	4017	};
2479		4018	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		4019
2491	register_command "reload" => sub {	4020	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2493		4022
2494	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
2496		4025	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	4026	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	4027	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	4028	};
2509	}	4029	}
2510	};	4030	};
2511		4031
2512	unshift @INC, $LIBDIR;	4032	#############################################################################
2513		4033
2514	my $bug_warning = 0;	4034	my $bug_warning = 0;
2515		4035
2516	$TICK_WATCHER = Event->timer (	4036	our @WAIT_FOR_TICK;
2517	reentrant => 0,	4037	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	4038
2519	prio => 0,	4039	sub wait_for_tick() {
2520	at => $NEXT_TICK || $TICK,	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	4041
2522	cb => sub {	4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
2523	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2526	return;	4059	return;
2527	}	4060	}
2528		4061
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		4063
2535	$WAIT_FOR_TICK->broadcast;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537		4065
2538	Event::sweep;	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	Coro::cede_notself;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
		4070	write_runtime_sync
		4071	or error "ERROR: unable to write runtime file: $!";
		4072	};
		4073	}
		4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
2540		4090	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	4091	}
2550	);	4092	}
2551		4093
2552	{	4094	{
2553	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	4096
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
2563		4098	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		4100
2579	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		4108
2582	cf::sync_job {	4109	cf::sync_job {
2583	eval {	4110	eval {
2584	BDB::db_env_open	4111	BDB::db_env_open
2585	$DB_ENV,	4112	$DB_ENV,
2586	$BDB_ENV_DIR,	4113	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	4116	0666;
2590		4117
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	4119	};
2596		4120
2597	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	4122	};
2599	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2600	}	4134	}
2601		4135
2602	{	4136	{
		4137	# configure IO::AIO
		4138
2603	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4142	}
2616		4143
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4144	our $_log_backtrace;
2618	reentrant => 0,	4145	our $_log_backtrace_last;
2619	data => WF_AUTOCANCEL,	4146
2620	after => 1,	4147	sub _log_backtrace {
2621	interval => 10,	4148	my ($msg, @addr) = @_;
2622	prio => 6, # keep it lowest so it acts like a watchdog	4149
2623	cb => Coro::unblock_sub {	4150	$msg =~ s/\n$//;
2624	write_runtime	4151
2625	or warn "ERROR: unable to write runtime file: $!";	4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2626	},	4188	}
2627	);	4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2628		4194
2629	END { cf::emergency_save }	4195	END { cf::emergency_save }
2630		4196
2631	1	4197	1
2632		4198

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