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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
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	my $runtime = cf::localdir . "/runtime";
362		618
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
364	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
365		623
366	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		625
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
371	and return;	627	reset_signals;
		628	}
372		629
373	# always fsync - this file is important	630	sub fork_call(&@) {
374	aio_fsync $fh	631	my ($cb, @args) = @_;
375	and return;
376		632
377	close $fh	633	# we seemingly have to make a local copy of the whole thing,
378	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
379		636
380	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
381	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
382		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
383	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 });
384	}	821	}
385		822
386	=back	823	=back
387		824
388	=cut	825	=cut
389		826
390	#############################################################################	827	#############################################################################
391		828
392	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
393		830
394	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
395	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")
396	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
397		834
398	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>
399	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
400	crossfire+).	837	Deliantra).
401		838
402	=over 4	839	=over 4
403		840
404	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
405		842
…		…
449	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
450		887
451	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
453		890
454	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		893
457	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
458		895
459	=over 4	896	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
569		1006
570	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1011
575	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
577		1014
578	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
583		1020
584	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1023
587	} elsif (ref $type) {	1024	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
589		1026
590	} else {	1027	} else {
591	shift @arg;	1028	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
593	}	1030	}
594	}	1031	}
595	}	1032	}
596		1033
597	sub _object_attach {	1034	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
608	}	1045	}
609		1046
610	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
611	} else {	1048	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1050	}
614		1051
615	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
616	}	1053	}
617		1054
…		…
619	if (ref $_[0]) {	1056	if (ref $_[0]) {
620	_object_attach @_;	1057	_object_attach @_;
621	} else {	1058	} else {
622	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
623	}	1060	}
		1061	_recalc_want;
624	};	1062	};
625		1063
626	# all those should be optimised	1064	# all those should be optimised
627	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1070	reattach ($obj);
633	} else {	1071	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
635	}	1073	}
		1074	_recalc_want;
636	};	1075	};
637		1076
638	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
640		1079
…		…
655	";	1094	";
656	die if $@;	1095	die if $@;
657	}	1096	}
658		1097
659	our $override;	1098	our $override;
660	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?
661		1100
662	sub override {	1101	sub override {
663	$override = 1;	1102	$override = 1;
664	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
665	}	1104	}
666		1105
667	sub do_invoke {	1106	sub do_invoke {
668	my $event = shift;	1107	my $event = shift;
669	my $callbacks = shift;	1108	my $callbacks = shift;
670		1109
671	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
672		1111
673	local $override;	1112	local $override;
674		1113
675	for (@$callbacks) {	1114	for (@$callbacks) {
676	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
677		1116
678	if ($@) {	1117	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1119	override;
682	}	1120	}
683		1121
684	return 1 if $override;	1122	return 1 if $override;
685	}	1123	}
686		1124
687	0	1125	0
688	}	1126	}
689		1127
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1129
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1131
694	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
695		1133
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1137
700	=back	1138	=back
701		1139
702	=cut	1140	=cut
703		1141
704	#############################################################################	1142	#############################################################################
705	# 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, $ob2
		1185	}
706		1186
707	sub reattach {	1187	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1189	my ($obj) = @_;
710		1190
		1191	# no longer needed after getting rid of delete_package?
711	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
712		1193
713	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
714		1195
715	@$registry = ();	1196	@$registry = ();
716		1197
…		…
721	for (@$attach) {	1202	for (@$attach) {
722	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
724	}	1205	}
725	} else {	1206	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1208	}
728	}	1209	}
729	}	1210	}
730		1211
731	cf::attachable->attach (	1212	cf::attachable->attach (
732	prio => -1000000,	1213	prio => -1000000,
733	on_instantiate => sub {	1214	on_instantiate => sub {
734	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
735		1216
736	$data = from_json $data;	1217	$data = decode_json $data;
737		1218
738	for (@$data) {	1219	for (@$data) {
739	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
740		1221
741	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1238	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
759		1240
760	sync_job {	1241	sync_job {
761	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
764		1247
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1255	aio_close $fh;
770		1256
771	if (@$objs) {	1257	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1266	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
779	}	1268	}
780	} else {	1269	} else {
781	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
782	}	1271	}
783		1272
784	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1277	} else {
786	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
787	}	1279	}
788	} else {	1280	} else {
789	aio_unlink $filename;	1281	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
791	}	1283	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1284	};
799	}	1285	}
800		1286
801	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
803		1289
…		…
808		1294
809	sub object_thawer_load {	1295	sub object_thawer_load {
810	my ($filename) = @_;	1296	my ($filename) = @_;
811		1297
812	my ($data, $av);	1298	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1299
817	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
818	or return;	1301	or return;
819		1302
820	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
822	or return;	1305	or return;
		1306
823	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
824	}	1309	}
825		1310
		1311	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
828	return ($data, $av);	1316	($data, $av)
829	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
830		1324
831	#############################################################################	1325	#############################################################################
832	# command handling &c	1326	# command handling &c
833		1327
834	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1342	}
849		1343
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1345
852	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.
853		1351
854	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
855	called.	1353	called.
856		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
857	=cut	1366	=cut
858		1367
859	sub register_extcmd {	1368	sub register_extcmd {
860	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
861		1370
862	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
863	}	1372	}
864		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
865	cf::player->attach (	1382	cf::player->attach (
866	on_command => sub {	1383	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
868		1385
869	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
870	or return;	1387	or return;
871		1388
…		…
876	cf::override;	1393	cf::override;
877	},	1394	},
878	on_extcmd => sub {	1395	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
880		1397
881	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1399
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
889	} else {	1415	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1417	}
892		1418
893	cf::override;	1419	cf::override;
894	},	1420	},
895	);	1421	);
896		1422
		1423	# "readahead" all extensions
897	sub load_extension {	1424	sub cache_extensions {
898	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
899		1426
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1430	}
925	die $@;
926	}	1431	};
927		1432
928	push @EXTS, $pkg;	1433	$grp
929	}	1434	}
930		1435
931	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
932	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1443	next unless -r $path;
934	eval {	1444
935	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 $active;
		1507	}
936	1	1508	}
937	} or warn "$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	}
938	}	1519	};
939	}	1520	}
940		1521
941	#############################################################################	1522	#############################################################################
942		1523
		1524	=back
		1525
943	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
944		1527
945	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
946		1529
947	=cut	1530	=cut
948		1531
949	package cf::player;	1532	package cf::player;
950		1533
…		…
952		1535
953	=head3 cf::player	1536	=head3 cf::player
954		1537
955	=over 4	1538	=over 4
956		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
957	=item cf::player::find $login	1554	=item cf::player::find $login
958		1555
959	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
960		1557
961	=cut	1558	=cut
962		1559
963	sub playerdir($) {	1560	sub playerdir($) {
964	cf::localdir	1561	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1563	}
970		1564
971	sub path($) {	1565	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1567
974	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
975	}	1569	}
976		1570
977	sub find_active($) {	1571	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
982		1576
983	sub exists($) {	1577	sub exists($) {
984	my ($login) = @_;	1578	my ($login) = @_;
985		1579
986	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
988	}	1582	}
989		1583
990	sub find($) {	1584	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1586	my $login = $_[0];
993		1587
994	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
995		1589
996	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1000	}	1607	}
1001	}	1608	}
1002	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1003		1623
1004	sub save($) {	1624	sub save($) {
1005	my ($pl) = @_;	1625	my ($pl) = @_;
1006		1626
1007	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1013		1633
1014	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1016		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
1017	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1018	Coro::cede;	1643	cf::cede_to_tick;
1019	}	1644	}
1020		1645
1021	sub new($) {	1646	sub new($) {
1022	my ($login) = @_;	1647	my ($login) = @_;
1023		1648
…		…
1029	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1030		1655
1031	$self	1656	$self
1032	}	1657	}
1033		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
1034	=item $pl->quit_character	1669	=item $pl->quit_character
1035		1670
1036	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1038		1673
1039	=cut	1674	=cut
1040		1675
1041	sub quit_character {	1676	sub quit_character {
1042	my ($pl) = @_;	1677	my ($pl) = @_;
1043		1678
		1679	my $name = $pl->ob->name;
		1680
1044	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1045	$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
1046		1683
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1050	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1051		1692
1052	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1719	}
1059		1720
1060	=item cf::player::list_logins	1721	=item cf::player::list_logins
1061		1722
1062	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
1063	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1064		1725
1065	=cut	1726	=cut
1066		1727
1067	sub list_logins {	1728	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1730	or return [];
1070		1731
1071	my @logins;	1732	my @logins;
1072		1733
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1077		1744
1078	utf8::decode $login;	1745	utf8::decode $login;
1079	push @logins, $login;	1746	push @logins, $login;
1080	}	1747	}
1081		1748
1082	\@logins	1749	\@logins
1083	}	1750	}
1084		1751
1085	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1086		1755
1087	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1088	player. May block.	1757	player. May block.
1089		1758
1090	=cut	1759	=cut
…		…
1108	}	1777	}
1109		1778
1110	\@paths	1779	\@paths
1111	}	1780	}
1112		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1114		1787
1115	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1116		1789
1117	=cut	1790	=cut
1118		1791
1119	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1121		1794
1122	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1796	}
1126		1797
1127	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	}
1128		1840
1129	=back	1841	=back
1130
1131		1842
1132	=head3 cf::map	1843	=head3 cf::map
1133		1844
1134	=over 4	1845	=over 4
1135		1846
…		…
1147	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1149		1860
1150	sub generate_random_map {	1861	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1152	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1867	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1165	)	1880	)
1166	}	1881	}
1167		1882
1168	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1169		1884
…		…
1175		1890
1176	sub register {	1891	sub register {
1177	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1178	my $pkg = caller;	1893	my $pkg = caller;
1179		1894
1180	no strict;
1181	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1182		1896
1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184	}	1898	}
1185		1899
1186	# also paths starting with '/'	1900	# also paths starting with '/'
1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188		1902
1189	sub thawer_merge {	1903	sub thawer_merge {
1190	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1191		1905
1192	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
1193	local $self->{path};	1907	local $self->{path};
1194	local $self->{load_path};	1908	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1909
1198	$self->SUPER::thawer_merge ($merge);	1910	$self->SUPER::thawer_merge ($merge);
1199	}	1911	}
1200		1912
1201	sub normalise {	1913	sub normalise {
1202	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1203		1915
1204	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1205		1917
1206	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1207		1919
1208	# map plan:	1920	# map plan:
1209	#	1921	#
…		…
1224	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1937	$path = "$base/$path";
1226	}	1938	}
1227		1939
1228	for ($path) {	1940	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1232	}	1943	}
1233		1944
1234	$path	1945	$path
…		…
1248	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1249	return $self;	1960	return $self;
1250	}	1961	}
1251	}	1962	}
1252		1963
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	1965	()
1255	}	1966	}
1256		1967
1257	sub init {	1968	sub init {
1258	my ($self) = @_;	1969	my ($self) = @_;
…		…
1273		1984
1274	# the original (read-only) location	1985	# the original (read-only) location
1275	sub load_path {	1986	sub load_path {
1276	my ($self) = @_;	1987	my ($self) = @_;
1277		1988
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1279	}	1990	}
1280		1991
1281	# the temporary/swap location	1992	# the temporary/swap location
1282	sub save_path {	1993	sub save_path {
1283	my ($self) = @_;	1994	my ($self) = @_;
1284		1995
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1287	}	1998	}
1288		1999
1289	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1290	sub uniq_path {	2001	sub uniq_path {
1291	my ($self) = @_;	2002	my ($self) = @_;
1292		2003
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1295	}	2006	}
1296		2007
1297	# and all this just because we cannot iterate over	2008	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2009	my ($self) = @_;
1301		2010
1302	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1304	}	2014	}
1305		2015
1306	sub unlink_save {	2016	sub unlink_save {
1307	my ($self) = @_;	2017	my ($self) = @_;
1308		2018
1309	utf8::encode (my $save = $self->save_path);	2019	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	2022	}
1318		2023
1319	sub load_header_from($) {	2024	sub load_header_from($) {
1320	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1321		2026
1322	utf8::encode $path;	2027	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1328		2036
1329	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1330		2038
1331	1	2039	1
1332	}	2040	}
…		…
1371	$self->load_header_orig	2079	$self->load_header_orig
1372	or return;	2080	or return;
1373	$self->prepare_orig;	2081	$self->prepare_orig;
1374	}	2082	}
1375		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
1376	1	2090	1
1377	}	2091	}
1378		2092
1379	sub find;	2093	sub find;
1380	sub find {	2094	sub find {
1381	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1382		2096
		2097	cf::cede_to_tick;
		2098
1383	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1384		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2103
1387	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1390	or return;	2106	or return;
1391		2107
1392	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1393		2109
1394	$map->load_header	2110	$map->load_header
1395	or return;	2111	or return;
1396		2112
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1400	$map->reset;	2118	$map->reset;
1401	undef $guard;
1402	return find $path;	2119	return find $path;
1403	}	2120	}
1404		2121
1405	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1406	}	2123	}
1407	}	2124	}
1408		2125
1409	sub pre_load { }	2126	sub pre_load { }
1410	sub post_load { }	2127	#sub post_load { } # XS
1411		2128
1412	sub load {	2129	sub load {
1413	my ($self) = @_;	2130	my ($self) = @_;
1414		2131
1415	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1416		2133
1417	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1419		2138
		2139	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2141
1422	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1423		2143
1424	$self->alloc;	2144	$self->alloc;
1425		2145
1426	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1427		2148
1428	$self->_load_objects ($self->{load_path}, 1)	2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1429	or return;	2152	or return;
1430		2153
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1432	if delete $self->{load_original};	2155	if delete $self->{load_original};
1433		2156
1434	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2158	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2161	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1439	}	2165	}
1440	}	2166	}
1441		2167
1442	Coro::cede;	2168	$f->resolve_delayed_derefs;
1443		2169
		2170	cf::cede_to_tick;
1444	# now do the right thing for maps	2171	# now do the right thing for maps
1445	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2174	unless $self->difficulty;
1455	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1456	$self->activate;	2182	$self->activate;
		2183	}
		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
		2188	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2189	}
1458		2190
1459	$self->post_load;	2191	$self->post_load;
1460		2192
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2193	1
1462	}	2194	}
1463		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2199	sub customise_for {
1465	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1466		2201
1467	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2203	if $self->per_player;
1469		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1470	$self	2208	$self
1471	}	2209	}
1472		2210
1473	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2212	sub load_neighbours {
1475	my ($map) = @_;	2213	my ($map) = @_;
1476		2214
1477	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1478		2216
1479	for (0 .. 3) {	2217	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1481	or next;	2219	or next;
1482	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1483	or next;	2221	or next;
1484	$neigh->load;	2222	$neigh->load;
1485		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2228	}
1489		2229
1490	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1492	or next;	2233	or next;
1493	$neigh->load;	2234	$neigh->load;
1494	}	2235	}
1495	}	2236	}
1496		2237
1497	sub find_sync {	2238	sub find_sync {
1498	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1499		2240
1500	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1501	}	2245	}
1502		2246
1503	sub do_load_sync {	2247	sub do_load_sync {
1504	my ($map) = @_;	2248	my ($map) = @_;
1505		2249
1506	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1507	}	2254	}
1508		2255
1509	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1511		2258
1512	sub find_async {	2259	sub find_async {
1513	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1514		2261
1515	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1516		2263
1517	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2266	}
1520		2267
1521	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1522	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1523	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2275	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2276	$map->load if $v;
		2277	}
1528		2278
1529	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1530	}	2280	}
1531	}	2281	}
1532	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1533	};	2283	};
1534	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1535		2285
1536	()	2286	()
1537	}	2287	}
1538		2288
		2289	# common code, used by both ->save and ->swapout
1539	sub save {	2290	sub _save {
1540	my ($self) = @_;	2291	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2292
1544	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1545		2294
1546	return unless $self->dirty;	2295	return unless $self->dirty;
1547		2296
…		…
1553	return if $self->{deny_save};	2302	return if $self->{deny_save};
1554		2303
1555	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1556		2305
1557	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1559	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1560		2312
1561	if ($uniq) {	2313	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2316	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2318	}
1567	}	2319	}
1568		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1569	sub swap_out {	2329	sub swap_out {
1570	my ($self) = @_;	2330	my ($self) = @_;
1571		2331
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1577	return if $self->players;	2336	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1581	$self->clear;	2347	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2348	}
1584		2349
1585	sub reset_at {	2350	sub reset_at {
1586	my ($self) = @_;	2351	my ($self) = @_;
1587		2352
1588	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1591		2355
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2358
…		…
1605	my ($self) = @_;	2369	my ($self) = @_;
1606		2370
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2372
1609	return if $self->players;	2373	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2374
1612	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
1613		2376
1614	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
1615		2378
1616	# need to save uniques path	2379	# need to save uniques path
1617	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2384	if $uniq;
1622	}	2385	}
1623		2386
1624	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1625		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2391	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2392
1630	$self->unlink_save;	2393	$self->unlink_save;
1631	$self->destroy;	2394	$self->destroy;
1632	}	2395	}
1633		2396
1634	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1635		2398
1636	sub nuke {	2399	sub nuke {
1637	my ($self) = @_;	2400	my ($self) = @_;
1638		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1639	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1640		2406
1641	$self->unlink_save;	2407	$self->unlink_save;
1642		2408
1643	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2414
1649	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1650		2417
1651	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
		2419	}
		2420
		2421	=item $maps = cf::map::tmp_maps
		2422
		2423	Returns an arrayref with all map paths of currently instantiated and saved
		2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
		2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
1652	}	2455	}
1653		2456
1654	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1655		2458
1656	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2460	instantiated unique items. May block.
1658		2461
1659	=cut	2462	=cut
1660		2463
1661	sub unique_maps() {	2464	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2465	[
1663	or return;	2466	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2467	utf8::decode $_;
1669	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2470	? ()
1672	push @paths, cf::map::normalise $_;	2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2473	]
1674
1675	\@paths
1676	}	2474	}
1677		2475
1678	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
1679		2507
1680	=back	2508	=back
1681		2509
1682	=head3 cf::object	2510	=head3 cf::object
1683		2511
…		…
1687		2515
1688	=over 4	2516	=over 4
1689		2517
1690	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1691		2519
1692	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1693		2522
1694	=cut	2523	=cut
1695		2524
1696	sub inv_recursive_;	2525	sub inv_recursive_;
1697	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1700		2529
1701	sub inv_recursive {	2530	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1703	}	2532	}
1704		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1705	package cf;	2562	package cf;
1706		2563
1707	=back	2564	=back
1708		2565
1709	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1718		2575
1719	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1720		2591
1721	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2593	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1726		2597
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2599
1729	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1731	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1734	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1735	}	2625	}
1736		2626
1737	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1738		2628
1739	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1752		2642
1753	=item $player_object->enter_link	2643	=item $player_object->enter_link
1754		2644
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2646
1757	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1759		2651
1760	Will never block.	2652	Will never block.
1761		2653
1762	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1763		2655
…		…
1783	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2676	my ($self) = @_;
1785		2677
1786	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1787		2679
		2680	++$self->{_link_recursion};
		2681
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2683
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1792		2686
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2688	}
1795		2689
1796	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1798		2694
1799	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1800		2696
1801	unless ($map) {	2697	unless ($map) {
1802	# restore original map position	2698	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1815		2711
1816	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1819		2715
1820	$map->load;	2716	$map->load;
1821	$map->load_diag;	2717	$map->load_neighbours;
1822		2718
1823	return unless $self->contr->active;	2719	return unless $self->contr->active;
		2720
		2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2722	if ($self->enter_map ($map, $x, $y)) {
		2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2726	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}
1827
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2727	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2728
1842	# try to abort aborted map switching on player login :)	2729	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2730
1860	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1862	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1863		2745
1864	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2757
1867	$self->enter_link;	2758	$self->enter_link;
1868		2759
1869	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
1870	my $map = eval {	2782	my $map = eval {
1871	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
		2788	} else {
		2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
		2791
1873	$map	2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2798	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1878	})->prio (1);	2806	})->prio (1);
1879	}	2807	}
1880		2808
1881	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1882		2810
…		…
1902	}	2830	}
1903		2831
1904	sub prepare_random_map {	2832	sub prepare_random_map {
1905	my ($exit) = @_;	2833	my ($exit) = @_;
1906		2834
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2837	# that depends on the exit object
1912		2838
1913	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2841	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1920	}	2848	}
1921		2849
1922	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1923		2851
1924	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
1927		2855
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2858	undef $fh;
1931	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
1932		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1935	}	2867	}
1936	}	2868	}
1937		2869
1938	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
1940		2872
1941	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1942		2874
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2875	$self->enter_link;
1953		2876
1954	(async {	2877	(async {
1955	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1956	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
1957	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
1958		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1959	1;	2901	1
1960	}) {	2902	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2907
1966	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2909	$self->leave_link;
1968	}	2910	}
1969	})->prio (1);	2911	})->prio (1);
1970	}	2912	}
1971		2913
…		…
1982		2924
1983	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1985		2927
1986	utf8::encode $text;	2928	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2930	}
1989		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
1990		3153
1991	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1992		3155
1993	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3159
1997	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3161	become reliable at some point in the future.
1999		3162
2000	=cut	3163	=cut
2001		3164
2002	sub cf::client::query {	3165	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3174	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3176
2014	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
2016	}	3181	}
2017		3182
2018	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
2019	on_reply => sub {	3189	on_reply => sub {
2020	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2021		3191
2022	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2023	# get handled first	3193	# get handled first
…		…
2035	} else {	3205	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3207	}
2038	}	3208	}
2039	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
2040	);	3236	);
2041		3237
2042	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2043		3239
2044	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3256
2061	$coro	3257	$coro
2062	}	3258	}
2063		3259
2064	cf::client->attach (	3260	cf::client->attach (
2065	on_destroy => sub {	3261	on_client_destroy => sub {
2066	my ($ns) = @_;	3262	my ($ns) = @_;
2067		3263
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3265	},
2070	);	3266	);
…		…
2085	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2087		3283
2088	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2089		3285
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2091		3291
2092	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2093		3293
2094	=pod	3294	=pod
2095		3295
2096	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2097		3297
2098	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2099	cf::object::player player	3303	cf::object::player
2100	cf::player peaceful	3304	player
2101	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2102		3311
2103	=cut	3312	=cut
2104		3313
2105	for (	3314	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2110	) {	3321	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3324	for @funs;
2115	}	3325	}
2116		3326
…		…
2131		3341
2132	my $qcode = $code;	3342	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2135		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2136	local $_;	3349	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3350
2139	my $eval =	3351	my $eval =
2140	"do {\n"	3352	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3355	. $code
2144	. "\n}"	3356	. "\n}"
2145	;	3357	;
2146		3358
		3359	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2150		3368
2151	if ($@) {	3369	if ($@) {
2152	warn "$@";	3370	warn "$@",
2153	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2155	}	3373	}
2156		3374
2157	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2158	}	3376	}
2159		3377
…		…
2173	=cut	3391	=cut
2174		3392
2175	sub register_script_function {	3393	sub register_script_function {
2176	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2177		3395
2178	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2180	}	3398	}
2181		3399
2182	=back	3400	=back
2183		3401
2184	=cut	3402	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3403
2258	#############################################################################	3404	#############################################################################
2259	# the server's init and main functions	3405	# the server's init and main functions
2260		3406
		3407	sub load_facedata($) {
		3408	my ($path) = @_;
		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
		3416	trace "loading facedata from $path\n";
		3417
		3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
		3420
		3421	$facedata = Coro::Storable::thaw $facedata;
		3422
		3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
		3435	{
		3436	my $faces = $facedata->{faceinfo};
		3437
		3438	while (my ($face, $info) = each %$faces) {
		3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
		3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
		3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3445
		3446	cf::cede_to_tick;
		3447	}
		3448
		3449	while (my ($face, $info) = each %$faces) {
		3450	next unless $info->{smooth};
		3451
		3452	my $idx = cf::face::find $face
		3453	or next;
		3454
		3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
2261	sub load_resources {	3507	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3523	or die "unable to load regions file\n";
2264	}
2265		3524
2266	sub cfg_load {	3525	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3526	$_->{match} = qr/$_->{match}/
2268	or return;	3527	if exists $_->{match};
		3528	}
		3529	}
2269		3530
2270	local $/;	3531	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
2272		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
		3577	reload_regions;
		3578	reload_treasures;
		3579
		3580	trace "finished reloading resource files\n";
		3581	}
		3582
		3583	sub reload_config {
		3584	trace "reloading config file...\n";
		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3593
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2277		3596
2278	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2282	};	3601	};
2283	warn $@ if $@;	3602	warn $@ if $@;
2284	}	3603	}
2285	}	3604	}
2286		3605
2287	sub init {	3606	sub pidfile() {
2288	load_resources;	3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3632	}
2290		3633
2291	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2292	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3647	(async {
2296	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2298	};	3651	};
2299		3652
2300	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
2301	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2302	load_extensions;	3676	load_extensions;
2303		3677
2304	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2306	}	3696	}
2307		3697
2308	#############################################################################	3698	#############################################################################
2309	# initialisation and cleanup	3699	# initialisation and cleanup
2310		3700
2311	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2312	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2321	},
2322	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2323	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2324	}	3797	}
2325		3798
2326	sub emergency_save() {	3799	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2328		3801
2329	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2330		3808
2331	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2332	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3820	$pl->save;
2340	}	3821	}
2341	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2342		3823
2343	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3829	$map->valid or next;
2347	$map->save;	3830	$map->save;
2348	}	3831	}
2349	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2350		3833
2351	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3862	};
2355		3863
2356	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2357	}	3865	}
2358		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2359	sub reload() {	3904	sub do_reload_perl() {
2360	# can/must only be called in main	3905	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2362	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2363	return;	3908	return;
2364	}	3909	}
2365		3910
2366	warn "reloading...";	3911	return if $RELOAD++;
2367		3912
2368	warn "cancelling server ticker";	3913	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
		3921	cf::sync_job {
2371	cf::emergency_save;	3922	#cf::emergency_save;
2372		3923
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";
2391	}
2392
2393	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3926	%EXT_CORO = ();
2396		3927
2397	warn "removing commands";	3928	trace "perl_reload: removing commands";
2398	%COMMAND = ();	3929	%COMMAND = ();
2399		3930
2400	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2401	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2402		3934
2403	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2406		3938
2407	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2408	eval {	3940	eval {
2409	$cb->($pkg);	3941	$cb->($pkg);
2410	1	3942	1
2411	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2412	}	3948	}
2413		3949
2414	warn "... nuking $pkg";
2415	Symbol::delete_package $pkg;
2416	}
2417
2418	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2419	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3953
2422	warn "... unloading $k";	3954	trace "... unloading $k";
2423	delete $INC{$k};	3955	delete $INC{$k};
2424		3956
2425	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2427		3959
2428	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2429	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2430	}	3965	}
2431		3966
2432	Symbol::delete_package $k;
2433	}
2434
2435	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3970
2439	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		3974
2442	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3976	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2445		3978
2446	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2447		3980
2448	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2449	require cf;	3982	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2451		3984
2452	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2453	cf::cfg_load;	3986	cf::reload_config;
2454		3987
2455	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	3989	cf::load_extensions;
2457		3990
		3991	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	3993	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
2462		3999
2463	warn "loading reloadable resources";	4000	cf::_post_init 1;
2464	load_resources;
2465		4001
2466	warn "restarting server ticker";	4002	trace "perl_reload: leaving sync_job";
2467		4003
2468	$TICK_WATCHER->start;	4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "perl_reload: error, exiting.";
		4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2469	};	4030	};
2470		4031	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4032
2482	register_command "reload" => sub {	4033	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2484		4035
2485	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
2487		4038	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4039	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4040	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4041	};
2500	}	4042	}
2501	};	4043	};
2502		4044
2503	unshift @INC, $LIBDIR;	4045	#############################################################################
2504		4046
2505	my $bug_warning = 0;	4047	my $bug_warning = 0;
2506		4048
2507	$TICK_WATCHER = Event->timer (	4049	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4050	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4051
2510	prio => 0,	4052	sub wait_for_tick() {
2511	at => $NEXT_TICK || $TICK,	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4054
2513	cb => sub {	4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
2514	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2517	return;	4072	return;
2518	}	4073	}
2519		4074
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4076
2526	$WAIT_FOR_TICK->broadcast;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4078
2529	Event::sweep;	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	Coro::cede_notself;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4081	Coro::async_pool {
		4082	$Coro::current->{desc} = "runtime saver";
		4083	write_runtime_sync
		4084	or error "ERROR: unable to write runtime file: $!";
		4085	};
		4086	}
		4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
2531		4103	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4104	}
2541	);	4105	}
2542		4106
2543	{	4107	{
2544	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	4109
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
2554		4111	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		4113
2570	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		4121
2573	cf::sync_job {	4122	cf::sync_job {
2574	eval {	4123	eval {
2575	BDB::db_env_open	4124	BDB::db_env_open
2576	$DB_ENV,	4125	$DB_ENV,
2577	$BDB_ENV_DIR,	4126	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	4129	0666;
2581		4130
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	4132	};
2587		4133
2588	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	4135	};
2590	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
2591	}	4147	}
2592		4148
2593	{	4149	{
		4150	# configure IO::AIO
		4151
2594	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	4155	}
2607		4156
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	4157	our $_log_backtrace;
2609	reentrant => 0,	4158	our $_log_backtrace_last;
2610	data => WF_AUTOCANCEL,	4159
2611	after => 1,	4160	sub _log_backtrace {
2612	interval => 10,	4161	my ($msg, @addr) = @_;
2613	prio => 6, # keep it lowest so it acts like a watchdog	4162
2614	cb => Coro::unblock_sub {	4163	$msg =~ s/\n$//;
2615	write_runtime	4164
2616	or warn "ERROR: unable to write runtime file: $!";	4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2617	},	4201	}
2618	);	4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2619		4207
2620	END { cf::emergency_save }	4208	END { cf::emergency_save }
2621		4209
2622	1	4210	1
2623		4211

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