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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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
143	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.
144	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.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	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	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		300
169	# 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
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$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;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		403	}
		404
223	=item cf::lock_wait $string	405	=item cf::lock_wait $string
224		406
225	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
226		408
227	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
228		410
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
232	returned.	414	returned.
233		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
234	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
235	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
236		421
237	=cut	422	=item $locked = cf::lock_active $string
238		423
239	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
240		429
241	sub lock_wait($) {	430	sub lock_wait($) {
242	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	432	}
250		433
251	sub lock_acquire($) {	434	sub lock_acquire($) {
252	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
253		437
254	# wait, to be sure we are not locked	438	sub lock_active($) {
255	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	440	}
264		441
265	sub freeze_mainloop {	442	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
267		444
268	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	446	}
		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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
270	};	512	}
271	$TICK_WATCHER->stop;	513	};
272	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		618
353	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
354		623
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
356	or return;
357		625
358	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
360	# 60 allows for the watchdog to kill the server.	628	}
361		629
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
363	and return;	631	my ($cb, @args) = @_;
364		632
365	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
367	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	close $fh	637	my @res = Coro::Util::fork_eval {
370	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
372	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
373	and return;	643	}
374		644
		645	sub objinfo {
375	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"
376	}	810	}
377		811
378	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
379		813
380	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
381		815
382	=cut	816	=cut
383		817
384	sub datalog($@) {	818	sub datalog($@) {
385	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	821	}
388		822
389	=back	823	=back
390		824
391	=cut	825	=cut
392		826
393	#############################################################################	827	#############################################################################
394		828
395	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
396		830
397	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
398	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")
399	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
400		834
401	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>
402	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
403	crossfire+).	837	Deliantra).
404		838
405	=over 4	839	=over 4
406		840
407	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
408		842
…		…
452	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
453		887
454	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
456		890
457	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		893
460	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
461		895
462	=over 4	896	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
572		1006
573	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1011
578	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
580		1014
581	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
586		1020
587	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1023
590	} elsif (ref $type) {	1024	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
592		1026
593	} else {	1027	} else {
594	shift @arg;	1028	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
596	}	1030	}
597	}	1031	}
598	}	1032	}
599		1033
600	sub _object_attach {	1034	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
611	}	1045	}
612		1046
613	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
614	} else {	1048	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1050	}
617		1051
618	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
619	}	1053	}
620		1054
…		…
622	if (ref $_[0]) {	1056	if (ref $_[0]) {
623	_object_attach @_;	1057	_object_attach @_;
624	} else {	1058	} else {
625	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
626	}	1060	}
		1061	_recalc_want;
627	};	1062	};
628		1063
629	# all those should be optimised	1064	# all those should be optimised
630	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1070	reattach ($obj);
636	} else {	1071	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
638	}	1073	}
		1074	_recalc_want;
639	};	1075	};
640		1076
641	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
643		1079
…		…
658	";	1094	";
659	die if $@;	1095	die if $@;
660	}	1096	}
661		1097
662	our $override;	1098	our $override;
663	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?
664		1100
665	sub override {	1101	sub override {
666	$override = 1;	1102	$override = 1;
667	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
668	}	1104	}
669		1105
670	sub do_invoke {	1106	sub do_invoke {
671	my $event = shift;	1107	my $event = shift;
672	my $callbacks = shift;	1108	my $callbacks = shift;
673		1109
674	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
675		1111
676	local $override;	1112	local $override;
677		1113
678	for (@$callbacks) {	1114	for (@$callbacks) {
679	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
680		1116
681	if ($@) {	1117	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1119	override;
685	}	1120	}
686		1121
687	return 1 if $override;	1122	return 1 if $override;
688	}	1123	}
689		1124
690	0	1125	0
691	}	1126	}
692		1127
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1129
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1131
697	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
698		1133
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1137
703	=back	1138	=back
704		1139
705	=cut	1140	=cut
706		1141
707	#############################################################################	1142	#############################################################################
708	# 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, $ob2
		1185	}
709		1186
710	sub reattach {	1187	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1189	my ($obj) = @_;
713		1190
		1191	# no longer needed after getting rid of delete_package?
714	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
715		1193
716	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
717		1195
718	@$registry = ();	1196	@$registry = ();
719		1197
…		…
724	for (@$attach) {	1202	for (@$attach) {
725	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
727	}	1205	}
728	} else {	1206	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1208	}
731	}	1209	}
732	}	1210	}
733		1211
734	cf::attachable->attach (	1212	cf::attachable->attach (
735	prio => -1000000,	1213	prio => -1000000,
736	on_instantiate => sub {	1214	on_instantiate => sub {
737	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
738		1216
739	$data = from_json $data;	1217	$data = decode_json $data;
740		1218
741	for (@$data) {	1219	for (@$data) {
742	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
743		1221
744	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1238	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
762		1240
763	sync_job {	1241	sync_job {
764	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
767		1247
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1255	aio_close $fh;
773		1256
774	if (@$objs) {	1257	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1266	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
782	}	1268	}
783	} else {	1269	} else {
784	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
785	}	1271	}
786		1272
787	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1277	} else {
789	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
790	}	1279	}
791	} else {	1280	} else {
792	aio_unlink $filename;	1281	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
794	}	1283	}
795	}	1284	};
796	}	1285	}
797		1286
798	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
800		1289
…		…
812	or return;	1301	or return;
813		1302
814	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
816	or return;	1305	or return;
		1306
817	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
818	}	1309	}
819		1310
		1311	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
822	return ($data, $av);	1316	($data, $av)
823	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
824		1324
825	#############################################################################	1325	#############################################################################
826	# command handling &c	1326	# command handling &c
827		1327
828	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1342	}
843		1343
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1345
846	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.
847		1351
848	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
849	called.	1353	called.
850		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
851	=cut	1366	=cut
852		1367
853	sub register_extcmd {	1368	sub register_extcmd {
854	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
855		1370
856	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
857	}	1372	}
858		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
859	cf::player->attach (	1382	cf::player->attach (
860	on_command => sub {	1383	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
862		1385
863	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
864	or return;	1387	or return;
865		1388
…		…
870	cf::override;	1393	cf::override;
871	},	1394	},
872	on_extcmd => sub {	1395	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
874		1397
875	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1399
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
883	} else {	1415	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1417	}
886		1418
887	cf::override;	1419	cf::override;
888	},	1420	},
889	);	1421	);
890		1422
		1423	# "readahead" all extensions
891	sub load_extension {	1424	sub cache_extensions {
892	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
893		1426
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1430	}
919	die $@;
920	}	1431	};
921		1432
922	push @EXTS, $pkg;	1433	$grp
923	}	1434	}
924		1435
925	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
926	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1443	next unless -r $path;
928	eval {	1444
929	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 $active;
		1507	}
930	1	1508	}
931	} or warn "$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	}
932	}	1519	};
933	}	1520	}
934		1521
935	#############################################################################	1522	#############################################################################
936		1523
		1524	=back
		1525
937	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
938		1527
939	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
940		1529
941	=cut	1530	=cut
942		1531
943	package cf::player;	1532	package cf::player;
944		1533
…		…
946		1535
947	=head3 cf::player	1536	=head3 cf::player
948		1537
949	=over 4	1538	=over 4
950		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
951	=item cf::player::find $login	1554	=item cf::player::find $login
952		1555
953	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
954		1557
955	=cut	1558	=cut
956		1559
957	sub playerdir($) {	1560	sub playerdir($) {
958	cf::localdir	1561	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1563	}
964		1564
965	sub path($) {	1565	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1576
977	sub exists($) {	1577	sub exists($) {
978	my ($login) = @_;	1578	my ($login) = @_;
979		1579
980	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
982	}	1582	}
983		1583
984	sub find($) {	1584	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1586	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
997		1597
998	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1001	}	1607	}
1002	}	1608	}
1003	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1004		1623
1005	sub save($) {	1624	sub save($) {
1006	my ($pl) = @_;	1625	my ($pl) = @_;
1007		1626
1008	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1014		1633
1015	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1017		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
1018	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1019	Coro::cede;	1643	cf::cede_to_tick;
1020	}	1644	}
1021		1645
1022	sub new($) {	1646	sub new($) {
1023	my ($login) = @_;	1647	my ($login) = @_;
1024		1648
…		…
1030	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1031		1655
1032	$self	1656	$self
1033	}	1657	}
1034		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
1035	=item $pl->quit_character	1669	=item $pl->quit_character
1036		1670
1037	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1039		1673
…		…
1043	my ($pl) = @_;	1677	my ($pl) = @_;
1044		1678
1045	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1046		1680
1047	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1048	$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
1049		1683
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1051	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1053	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1054		1692
1055	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1057	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1086	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1087		1725
1088	=cut	1726	=cut
1089		1727
1090	sub list_logins {	1728	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1730	or return [];
1093		1731
1094	my @logins;	1732	my @logins;
1095		1733
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1100		1744
1101	utf8::decode $login;	1745	utf8::decode $login;
1102	push @logins, $login;	1746	push @logins, $login;
1103	}	1747	}
1104		1748
1105	\@logins	1749	\@logins
1106	}	1750	}
1107		1751
1108	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1109		1755
1110	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1111	player. May block.	1757	player. May block.
1112		1758
1113	=cut	1759	=cut
…		…
1131	}	1777	}
1132		1778
1133	\@paths	1779	\@paths
1134	}	1780	}
1135		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1136	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1137		1787
1138	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1139		1789
1140	=cut	1790	=cut
1141		1791
1142	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1144		1794
1145	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1796	}
1149		1797
1150	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1151		1799
1152	Sends an ext event to the client.	1800	Sends an ext event to the client.
1153		1801
1154	=cut	1802	=cut
1155		1803
1156	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1158		1806
1159	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1160	}	1808	}
1161		1809
1162	package cf;	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	}
1163		1840
1164	=back	1841	=back
1165
1166		1842
1167	=head3 cf::map	1843	=head3 cf::map
1168		1844
1169	=over 4	1845	=over 4
1170		1846
…		…
1182	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1184		1860
1185	sub generate_random_map {	1861	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1867	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1210		1889
1211	sub register {	1890	sub register {
1212	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1892	my $pkg = caller;
1214		1893
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1895
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1897	}
1220		1898
1221	# also paths starting with '/'	1899	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1901
1224	sub thawer_merge {	1902	sub thawer_merge {
1225	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1226		1904
1227	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1228	local $self->{path};	1906	local $self->{path};
1229	local $self->{load_path};	1907	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1908
1233	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1234	}	1910	}
1235		1911
1236	sub normalise {	1912	sub normalise {
1237	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1238		1914
1239	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1240		1916
1241	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1242		1918
1243	# map plan:	1919	# map plan:
1244	#	1920	#
…		…
1259	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1260	$path = "$base/$path";	1936	$path = "$base/$path";
1261	}	1937	}
1262		1938
1263	for ($path) {	1939	for ($path) {
1264	redo if s{//}{/};
1265	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1266	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1267	}	1942	}
1268		1943
1269	$path	1944	$path
…		…
1283	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1284	return $self;	1959	return $self;
1285	}	1960	}
1286	}	1961	}
1287		1962
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1289	()	1964	()
1290	}	1965	}
1291		1966
1292	sub init {	1967	sub init {
1293	my ($self) = @_;	1968	my ($self) = @_;
…		…
1308		1983
1309	# the original (read-only) location	1984	# the original (read-only) location
1310	sub load_path {	1985	sub load_path {
1311	my ($self) = @_;	1986	my ($self) = @_;
1312		1987
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1314	}	1989	}
1315		1990
1316	# the temporary/swap location	1991	# the temporary/swap location
1317	sub save_path {	1992	sub save_path {
1318	my ($self) = @_;	1993	my ($self) = @_;
1319		1994
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1322	}	1997	}
1323		1998
1324	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1325	sub uniq_path {	2000	sub uniq_path {
1326	my ($self) = @_;	2001	my ($self) = @_;
1327		2002
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1330	}	2005	}
1331		2006
1332	# and all this just because we cannot iterate over	2007	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	2008	my ($self) = @_;
1336		2009
1337	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1339	}	2013	}
1340		2014
1341	sub unlink_save {	2015	sub unlink_save {
1342	my ($self) = @_;	2016	my ($self) = @_;
1343		2017
…		…
1348		2022
1349	sub load_header_from($) {	2023	sub load_header_from($) {
1350	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1351		2025
1352	utf8::encode $path;	2026	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1358		2035
1359	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1360		2037
1361	1	2038	1
1362	}	2039	}
…		…
1401	$self->load_header_orig	2078	$self->load_header_orig
1402	or return;	2079	or return;
1403	$self->prepare_orig;	2080	$self->prepare_orig;
1404	}	2081	}
1405		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
1406	1	2089	1
1407	}	2090	}
1408		2091
1409	sub find;	2092	sub find;
1410	sub find {	2093	sub find {
1411	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1412		2095
		2096	cf::cede_to_tick;
		2097
1413	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1414		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2102
1417	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1420	or return;	2105	or return;
1421		2106
1422	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1423		2108
1424	$map->load_header	2109	$map->load_header
1425	or return;	2110	or return;
1426		2111
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1430	$map->reset;	2117	$map->reset;
1431	undef $guard;
1432	return find $path;	2118	return find $path;
1433	}	2119	}
1434		2120
1435	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1436	}	2122	}
1437	}	2123	}
1438		2124
1439	sub pre_load { }	2125	sub pre_load { }
1440	sub post_load { }	2126	#sub post_load { } # XS
1441		2127
1442	sub load {	2128	sub load {
1443	my ($self) = @_;	2129	my ($self) = @_;
1444		2130
1445	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1446		2132
1447	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1449		2137
		2138	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2140
1452	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1453		2142
1454	$self->alloc;	2143	$self->alloc;
1455		2144
1456	$self->pre_load;	2145	$self->pre_load;
		2146	cf::cede_to_tick;
1457		2147
1458	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1459	or return;	2151	or return;
1460		2152
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1462	if delete $self->{load_original};	2154	if delete $self->{load_original};
1463		2155
1464	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2157	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2160	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1469	}	2164	}
1470	}	2165	}
1471		2166
1472	Coro::cede;	2167	$f->resolve_delayed_derefs;
1473		2168
		2169	cf::cede_to_tick;
1474	# now do the right thing for maps	2170	# now do the right thing for maps
1475	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2173	unless $self->difficulty;
1485	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1486	$self->activate;	2181	$self->activate;
		2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2188	}
1488		2189
1489	$self->post_load;	2190	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2191	}
1493		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2196	sub customise_for {
1495	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1496		2198
1497	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2200	if $self->per_player;
1499		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
1500	$self	2205	$self
1501	}	2206	}
1502		2207
1503	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2209	sub load_neighbours {
1505	my ($map) = @_;	2210	my ($map) = @_;
1506		2211
1507	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1508		2213
1509	for (0 .. 3) {	2214	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1511	or next;	2216	or next;
1512	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1513	or next;	2218	or next;
1514	$neigh->load;	2219	$neigh->load;
1515		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2225	}
1519		2226
1520	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1522	or next;	2230	or next;
1523	$neigh->load;	2231	$neigh->load;
1524	}	2232	}
1525	}	2233	}
1526		2234
1527	sub find_sync {	2235	sub find_sync {
1528	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1529		2237
1530	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1531	}	2242	}
1532		2243
1533	sub do_load_sync {	2244	sub do_load_sync {
1534	my ($map) = @_;	2245	my ($map) = @_;
1535		2246
1536	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1537	}	2251	}
1538		2252
1539	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1541		2255
1542	sub find_async {	2256	sub find_async {
1543	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1544		2258
1545	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1546		2260
1547	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2263	}
1550		2264
1551	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1552	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1553	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2272	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2273	$map->load if $v;
		2274	}
1558		2275
1559	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1560	}	2277	}
1561	}	2278	}
1562	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1563	};	2280	};
1564	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1565		2282
1566	()	2283	()
1567	}	2284	}
1568		2285
		2286	# common code, used by both ->save and ->swapout
1569	sub save {	2287	sub _save {
1570	my ($self) = @_;	2288	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2289
1574	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1575		2291
1576	return unless $self->dirty;	2292	return unless $self->dirty;
1577		2293
…		…
1583	return if $self->{deny_save};	2299	return if $self->{deny_save};
1584		2300
1585	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1586		2302
1587	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1589	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1590		2309
1591	if ($uniq) {	2310	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2313	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2315	}
1597	}	2316	}
1598		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1599	sub swap_out {	2326	sub swap_out {
1600	my ($self) = @_;	2327	my ($self) = @_;
1601		2328
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1607	return if $self->players;	2333	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1611	$self->clear;	2344	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2345	}
1614		2346
1615	sub reset_at {	2347	sub reset_at {
1616	my ($self) = @_;	2348	my ($self) = @_;
1617		2349
1618	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1621		2352
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2355
…		…
1635	my ($self) = @_;	2366	my ($self) = @_;
1636		2367
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2369
1639	return if $self->players;	2370	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2371
1642	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
1643		2373
1644	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1645		2375
1646	# need to save uniques path	2376	# need to save uniques path
1647	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2381	if $uniq;
1652	}	2382	}
1653		2383
1654	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1655		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2388	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2389
1660	$self->unlink_save;	2390	$self->unlink_save;
1661	$self->destroy;	2391	$self->destroy;
1662	}	2392	}
1663		2393
1664	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1665		2395
1666	sub nuke {	2396	sub nuke {
1667	my ($self) = @_;	2397	my ($self) = @_;
1668		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1669	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1670		2403
1671	$self->unlink_save;	2404	$self->unlink_save;
1672		2405
1673	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2411
1679	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1680		2414
1681	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1682	}	2452	}
1683		2453
1684	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1685		2455
1686	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2457	instantiated unique items. May block.
1688		2458
1689	=cut	2459	=cut
1690		2460
1691	sub unique_maps() {	2461	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2462	[
1693	or return;	2463	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2464	utf8::decode $_;
1699	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2467	? ()
1702	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2470	]
1704
1705	\@paths
1706	}	2471	}
1707		2472
1708	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1709		2504
1710	=back	2505	=back
1711		2506
1712	=head3 cf::object	2507	=head3 cf::object
1713		2508
…		…
1717		2512
1718	=over 4	2513	=over 4
1719		2514
1720	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1721		2516
1722	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1723		2519
1724	=cut	2520	=cut
1725		2521
1726	sub inv_recursive_;	2522	sub inv_recursive_;
1727	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1730		2526
1731	sub inv_recursive {	2527	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1733	}	2529	}
1734		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1735	package cf;	2559	package cf;
1736		2560
1737	=back	2561	=back
1738		2562
1739	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1748		2572
1749	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1750		2588
1751	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2590	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1756		2594
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2596
1759	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1761	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1764	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1765	}	2622	}
1766		2623
1767	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1768		2625
1769	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1782		2639
1783	=item $player_object->enter_link	2640	=item $player_object->enter_link
1784		2641
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2643
1787	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1789		2648
1790	Will never block.	2649	Will never block.
1791		2650
1792	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1793		2652
…		…
1813	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2673	my ($self) = @_;
1815		2674
1816	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1817		2676
		2677	++$self->{_link_recursion};
		2678
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2680
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1822		2683
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2685	}
1825		2686
1826	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1828		2691
1829	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1830		2693
1831	unless ($map) {	2694	unless ($map) {
1832	# restore original map position	2695	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1845		2708
1846	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1849		2712
1850	$map->load;	2713	$map->load;
1851	$map->load_diag;	2714	$map->load_neighbours;
1852		2715
1853	return unless $self->contr->active;	2716	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2717
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
1858	}	2720	# entering was successful
1859		2721	delete $self->{_link_recursion};
1860	cf::player->attach (	2722	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2723	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2724	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2725
1874	# try to abort aborted map switching on player login :)	2726	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2727
1892	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1894	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1895		2742
1896	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2754
1899	$self->enter_link;	2755	$self->enter_link;
1900		2756
1901	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1902	my $map = eval {	2779	my $map = eval {
1903	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
		2785	} else {
		2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
		2788
1905	$map	2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2795	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1910	})->prio (1);	2803	})->prio (1);
1911	}	2804	}
1912		2805
1913	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1914		2807
…		…
1934	}	2827	}
1935		2828
1936	sub prepare_random_map {	2829	sub prepare_random_map {
1937	my ($exit) = @_;	2830	my ($exit) = @_;
1938		2831
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2834	# that depends on the exit object
1944		2835
1945	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2838	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1952	}	2845	}
1953		2846
1954	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1955		2848
1956	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
1959		2852
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2855	undef $fh;
1963	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
1964		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
1967	}	2864	}
1968	}	2865	}
1969		2866
1970	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
1972		2869
1973	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
1974		2871
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2872	$self->enter_link;
1987		2873
1988	(async {	2874	(async {
1989	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
1990	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
1991	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
1992		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
1993	1;	2898	1
1994	}) {	2899	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2904
2000	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2906	$self->leave_link;
2002	}	2907	}
2003	})->prio (1);	2908	})->prio (1);
2004	}	2909	}
2005		2910
…		…
2019		2924
2020	utf8::encode $text;	2925	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2927	}
2023		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2024	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2025		3117
2026	Sends an exti event to the client.	3118	Sends an ext event to the client.
2027		3119
2028	=cut	3120	=cut
2029		3121
2030	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2032		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2035	}	3149	}
2036		3150
2037	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2038		3152
2039	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		3156
2043	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	3158	become reliable at some point in the future.
2045		3159
2046	=cut	3160	=cut
2047		3161
2048	sub cf::client::query {	3162	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3171	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3173
2060	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2062	}	3178	}
2063		3179
2064	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2065	on_reply => sub {	3186	on_reply => sub {
2066	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2067		3188
2068	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2069	# get handled first	3190	# get handled first
…		…
2081	} else {	3202	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3204	}
2084	}	3205	}
2085	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2086	);	3233	);
2087		3234
2088	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2089		3236
2090	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3253
2107	$coro	3254	$coro
2108	}	3255	}
2109		3256
2110	cf::client->attach (	3257	cf::client->attach (
2111	on_destroy => sub {	3258	on_client_destroy => sub {
2112	my ($ns) = @_;	3259	my ($ns) = @_;
2113		3260
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3262	},
2116	);	3263	);
…		…
2131	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2133		3280
2134	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2135		3282
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2137		3288
2138	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2139		3290
2140	=pod	3291	=pod
2141		3292
2142	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2143		3294
2144	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2145	cf::object::player player	3300	cf::object::player
2146	cf::player peaceful	3301	player
2147	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2148		3308
2149	=cut	3309	=cut
2150		3310
2151	for (	3311	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2156	) {	3318	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3321	for @funs;
2161	}	3322	}
2162		3323
…		…
2177		3338
2178	my $qcode = $code;	3339	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2181		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2182	local $_;	3346	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3347
2185	my $eval =	3348	my $eval =
2186	"do {\n"	3349	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3352	. $code
2190	. "\n}"	3353	. "\n}"
2191	;	3354	;
2192		3355
		3356	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2196		3365
2197	if ($@) {	3366	if ($@) {
2198	warn "$@";	3367	warn "$@",
2199	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2201	}	3370	}
2202		3371
2203	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2204	}	3373	}
2205		3374
…		…
2219	=cut	3388	=cut
2220		3389
2221	sub register_script_function {	3390	sub register_script_function {
2222	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2223		3392
2224	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2226	}	3395	}
2227		3396
2228	=back	3397	=back
2229		3398
2230	=cut	3399	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3400
2304	#############################################################################	3401	#############################################################################
2305	# the server's init and main functions	3402	# the server's init and main functions
2306		3403
2307	sub load_facedata {	3404	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3405	my ($path) = @_;
2309		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2310	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2311		3414
2312	my $faces;
2313	0 < aio_load $path, $faces	3415	0 < aio_load $path, my $facedata
2314	or die "$path: $!";	3416	or die "$path: $!";
2315		3417
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3418	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3419
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3420	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
		3432	{
		3433	my $faces = $facedata->{faceinfo};
		3434
2324	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3437
		3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2329	Coro::cede;
2330	}
2331		3442
		3443	cf::cede_to_tick;
		3444	}
		3445
2332	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2334	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
		3450	or next;
		3451
		3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
		3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3455	} else {
		3456	error "smooth face '$info->{smooth}' not found for face '$face'";
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	{
		3464	my $anims = $facedata->{animinfo};
		3465
		3466	while (my ($anim, $info) = each %$anims) {
		3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3468	cf::cede_to_tick;
		3469	}
		3470
		3471	cf::anim::invalidate_all; # d'oh
		3472	}
		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
		3493	1
		3494	}
		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
		3528	sub reload_facedata {
		3529	load_facedata "$DATADIR/facedata"
		3530	or die "unable to load facedata\n";
		3531	}
		3532
		3533	sub reload_archetypes {
		3534	load_resource_file "$DATADIR/archetypes"
		3535	or die "unable to load archetypes\n";
		3536	}
		3537
		3538	sub reload_treasures {
		3539	load_resource_file "$DATADIR/treasures"
		3540	or die "unable to load treasurelists\n";
		3541	}
		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
2335	or next;	3553	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;
2338	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}
2341	Coro::cede;
2342	}
2343		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2344	1	3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
2345	}	3564	}
2346		3565
2347	sub reload_resources {	3566	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3567	trace "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3568
		3569	reload_exp_table;
		3570	reload_materials;
2350	load_facedata	3571	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3572	reload_sound;
2352	}	3573	reload_archetypes;
2353
2354	sub init {
2355	reload_resources;	3574	reload_regions;
2356	}	3575	reload_treasures;
2357		3576
2358	sub cfg_load {	3577	trace "finished reloading resource files\n";
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3578	}
2360	or return;
2361		3579
2362	local $/;	3580	sub reload_config {
2363	*CFG = YAML::Syck::Load <$fh>;	3581	trace "reloading config file...\n";
2364		3582
		3583	0 < aio_load "$CONFDIR/config", my $config
		3584	or die "$CONFDIR/config: $!";
		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2366		3590
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2369		3593
2370	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2374	};	3598	};
2375	warn $@ if $@;	3599	warn $@ if $@;
2376	}	3600	}
2377	}	3601	}
2378		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2379	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2380	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3644	(async {
2384	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2386	};	3648	};
2387		3649
2388	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2389	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2390	load_extensions;	3673	load_extensions;
2391		3674
2392	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2393	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2394	}	3693	}
2395		3694
2396	#############################################################################	3695	#############################################################################
2397	# initialisation and cleanup	3696	# initialisation and cleanup
2398		3697
2399	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2400	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2409	},
2410	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2411	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2412	}	3794	}
2413		3795
2414	sub emergency_save() {	3796	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2416		3798
2417	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2418		3805
2419	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2420	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3817	$pl->save;
2428	}	3818	}
2429	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2430		3820
2431	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2432	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3826	$map->valid or next;
2435	$map->save;	3827	$map->save;
2436	}	3828	}
2437	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2438		3830
2439	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2442	};	3859	};
2443		3860
2444	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2445	}	3862	}
2446		3863
2447	sub post_cleanup {	3864	sub post_cleanup {
2448	my ($make_core) = @_;	3865	my ($make_core) = @_;
2449		3866
		3867	IO::AIO::flush;
		3868
2450	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3870	if $make_core;
2452	}
2453		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
		3899	}
		3900
2454	sub reload() {	3901	sub do_reload_perl() {
2455	# can/must only be called in main	3902	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2457	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2458	return;	3905	return;
2459	}	3906	}
2460		3907
2461	warn "reloading...";	3908	return if $RELOAD++;
2462		3909
2463	warn "entering sync_job";	3910	my $t1 = AE::time;
2464		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2465	cf::sync_job {	3918	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark
2467	cf::emergency_save;	3919	#cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark
2469		3920
2470	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;
2472
2473	# if anything goes wrong in here, we should simply crash as we already saved
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();	3923	%EXT_CORO = ();
2494		3924
2495	warn "removing commands";	3925	trace "perl_reload: removing commands";
2496	%COMMAND = ();	3926	%COMMAND = ();
2497		3927
2498	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2499	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2500		3931
2501	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2504		3935
2505	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2506	eval {	3937	eval {
2507	$cb->($pkg);	3938	$cb->($pkg);
2508	1	3939	1
2509	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2510	}	3945	}
2511		3946
2512	warn "... nuking $pkg";
2513	Symbol::delete_package $pkg;
2514	}
2515
2516	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2517	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3950
2520	warn "... unloading $k";	3951	trace "... unloading $k";
2521	delete $INC{$k};	3952	delete $INC{$k};
2522		3953
2523	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2525		3956
2526	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2527	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2528	}	3962	}
2529		3963
2530	Symbol::delete_package $k;
2531	}
2532
2533	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3967
2537	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		3971
2540	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3973	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2543		3975
2544	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2545		3977
2546	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2547	require cf;	3979	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2549		3981
2550	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2551	cf::cfg_load;	3983	cf::reload_config;
2552		3984
2553	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2554	cf::load_extensions;	3986	cf::load_extensions;
2555		3987
		3988	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2562		3996
2563	warn "loading reloadable resources";	3997	cf::_post_init 1;
2564	reload_resources;
2565		3998
2566	warn "leaving sync_job";	3999	trace "perl_reload: leaving sync_job";
2567		4000
2568	1	4001	1
2569	} or do {	4002	} or do {
2570	warn $@;	4003	error $@;
2571	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2572	exit 1;	4005	};
		4006
		4007	--$RELOAD;
		4008	}
		4009
		4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
		4012	};
		4013
		4014	our $RELOAD_WATCHER; # used only during reload
		4015
		4016	sub reload_perl() {
		4017	# doing reload synchronously and two reloads happen back-to-back,
		4018	# coro crashes during coro_state_free->destroy here.
		4019
		4020	$RELOAD_WATCHER ||= cf::async {
		4021	Coro::AIO::aio_wait cache_extensions;
		4022
		4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4024	do_reload_perl;
		4025	undef $RELOAD_WATCHER;
		4026	};
2573	};	4027	};
2574		4028	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		4029
2580	register_command "reload" => sub {	4030	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2582		4032
2583	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
2585		4035	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	4036	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	4037	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	4038	};
2598	}	4039	}
2599	};	4040	};
2600		4041
2601	unshift @INC, $LIBDIR;	4042	#############################################################################
2602		4043
2603	my $bug_warning = 0;	4044	my $bug_warning = 0;
2604		4045
2605	$TICK_WATCHER = Event->timer (	4046	our @WAIT_FOR_TICK;
2606	reentrant => 0,	4047	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	4048
2608	prio => 0,	4049	sub wait_for_tick() {
2609	at => $NEXT_TICK || $TICK,	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	4051
2611	cb => sub {	4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub wait_for_tick_begin() {
		4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4059
		4060	my $signal = new Coro::Signal;
		4061	push @WAIT_FOR_TICK_BEGIN, $signal;
		4062	$signal->wait;
		4063	}
		4064
		4065	sub tick {
2612	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2615	return;	4069	return;
2616	}	4070	}
2617		4071
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		4073
		4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4075
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	4078	Coro::async_pool {
		4079	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	4080	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2629	};
2630	}	4082	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	4083	}
2644	);	4084
		4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4086	$sig->send;
		4087	}
		4088	while (my $sig = shift @WAIT_FOR_TICK) {
		4089	$sig->send;
		4090	}
		4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
2645		4103
2646	{	4104	{
2647	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	4106
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
2657		4108	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		4110
2673	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		4118
2676	cf::sync_job {	4119	cf::sync_job {
2677	eval {	4120	eval {
2678	BDB::db_env_open	4121	BDB::db_env_open
2679	$DB_ENV,	4122	$DB_ENV,
2680	$BDB_ENV_DIR,	4123	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	4126	0666;
2684		4127
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	4129	};
2690		4130
2691	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	4132	};
2693	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
2694	}	4144	}
2695		4145
2696	{	4146	{
		4147	# configure IO::AIO
		4148
2697	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	4152	}
		4153
		4154	our $_log_backtrace;
		4155	our $_log_backtrace_last;
		4156
		4157	sub _log_backtrace {
		4158	my ($msg, @addr) = @_;
		4159
		4160	$msg =~ s/\n$//;
		4161
		4162	if ($_log_backtrace_last eq $msg) {
		4163	LOG llevInfo, "[ABT] $msg\n";
		4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4165	# limit the # of concurrent backtraces
		4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4198	}
		4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2710		4204
2711	END { cf::emergency_save }	4205	END { cf::emergency_save }
2712		4206
2713	1	4207	1
2714		4208

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