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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 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 IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	121	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
64		130
65	our %CFG;	131	our %CFG;
66		132
67	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
69		136
70	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		140
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REALLY_UNLOOP; # never set to true, please :)
		153
82	binmode STDOUT;	154	binmode STDOUT;
83	binmode STDERR;	155	binmode STDERR;
84		156
85	# read virtual server time, if available	157	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
90	}	162	}
91		163
92	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	165
94	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		168
99	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
100		170
101	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::"} };
102		187
103	#############################################################################	188	#############################################################################
104		189
105	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
106		191
…		…
113	=item $cf::RUNTIME	198	=item $cf::RUNTIME
114		199
115	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
116	every server tick.	201	every server tick.
117		202
118	=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
119		206
120	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		211
123	=item $cf::NOW	212	=item $cf::NOW
124		213
125	The time of the last (current) server tick.	214	The time of the last (current) server tick.
126		215
127	=item $cf::TICK	216	=item $cf::TICK
128		217
129	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	230	=item %cf::CFG
132		231
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	233	from wherever your confdir points to.
135		234
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		236
138	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
139	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
140	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.
141	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.
142		257
143	=back	258	=back
144		259
145	=cut	260	=cut
146		261
147	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	269	my $msg = join "", @_;
150	utf8::encode $msg;
151		270
152	$msg .= "\n"	271	$msg .= "\n"
153	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
154		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
155	LOG llevError, $msg;	276	LOG llevWarn, $msg;
156	};	277	};
157	}	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	};
158		292
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		300
166	# 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
167	# within the Safe compartment.	302	# within the Safe compartment.
168	for my $pkg (qw(	303	for my $pkg (qw(
169	cf::global cf::attachable	304	cf::global cf::attachable
170	cf::object cf::object::player	305	cf::object cf::object::player
171	cf::client cf::player	306	cf::client cf::player
172	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
173	cf::map cf::party cf::region	309	cf::party cf::region
174	)) {	310	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	312	}
178		313
179	$Event::DIED = sub {	314	$EV::DIED = sub {
180	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
181	};	316	};
		317
		318	#############################################################################
182		319
183	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
184		321
185	=over 4	322	=over 4
186		323
…		…
205	$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;
206	$d	343	$d
207	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
208	}	345	}
209		346
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
213		348
214	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
215		350
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
224		352
225	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
226		354
227	=cut	355	=cut
228		356
229	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
231	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
232	}	403	}
233		404
234	=item cf::lock_wait $string	405	=item cf::lock_wait $string
235		406
236	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
237		408
238	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
239		410
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
243	returned.	414	returned.
244		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
245	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
246	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
247		421
248	=cut	422	=item $locked = cf::lock_active $string
249		423
250	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
251		429
252	sub lock_wait($) {	430	sub lock_wait($) {
253	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	432	}
261		433
262	sub lock_acquire($) {	434	sub lock_acquire($) {
263	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
264		437
265	# wait, to be sure we are not locked	438	sub lock_active($) {
266	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	440	}
275		441
276	sub freeze_mainloop {	442	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
278		444
279	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
280	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
281	};	512	}
282	$TICK_WATCHER->stop;	513	};
283	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
284	}	528	}
285		529
286	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
287		531
288	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		537
294	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
295		539
296	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
297		541
298	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
301		546
302	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
305	fast or be very important.	550	fast or be very important.
…		…
307	=cut	552	=cut
308		553
309	sub sync_job(&) {	554	sub sync_job(&) {
310	my ($job) = @_;	555	my ($job) = @_;
311		556
312	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
313	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
315		562
316	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	564
318	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
319		566
320	my $busy = 1;	567	my $busy = 1;
321	my @res;	568	my @res;
322		569
323	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	572	@res = eval { $job->() };
325	warn $@ if $@;	573	error $@ if $@;
326	undef $busy;	574	undef $busy;
327	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
328		576
329	while ($busy) {	577	while ($busy) {
330	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
331	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
332		588
333	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
334	} else {	590	} else {
335	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
336		592
…		…
356	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
357		613
358	$coro	614	$coro
359	}	615	}
360		616
361	sub write_runtime {	617	=item fork_call { }, @args
362	my $guard = cf::lock_acquire "write_runtime";
363		618
364	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.
365		623
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
367	or return;
368		625
369	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
370	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
371	# 60 allows for the watchdog to kill the server.	628	}
372		629
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
374	and return;	631	my ($cb, @args) = @_;
375		632
376	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
377	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
378	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
379		636
380	close $fh	637	my @res = Coro::Util::fork_eval {
381	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
382		641
383	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
384	and return;	643	}
385		644
		645	sub objinfo {
386	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
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];
967		1567
968	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
969	}	1569	}
970		1570
971	sub find_active($) {	1571	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
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];
987		1587
988	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
989		1589
990	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
994	}	1607	}
995	}	1608	}
996	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
997		1623
998	sub save($) {	1624	sub save($) {
999	my ($pl) = @_;	1625	my ($pl) = @_;
1000		1626
1001	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1007		1633
1008	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1012	Coro::cede;	1643	cf::cede_to_tick;
1013	}	1644	}
1014		1645
1015	sub new($) {	1646	sub new($) {
1016	my ($login) = @_;	1647	my ($login) = @_;
1017		1648
…		…
1023	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1024		1655
1025	$self	1656	$self
1026	}	1657	}
1027		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
1028	=item $pl->quit_character	1669	=item $pl->quit_character
1029		1670
1030	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1032		1673
…		…
1036	my ($pl) = @_;	1677	my ($pl) = @_;
1037		1678
1038	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1039		1680
1040	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1041	$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
1042		1683
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1046	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1047		1692
1048	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1080		1725
1081	=cut	1726	=cut
1082		1727
1083	sub list_logins {	1728	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1730	or return [];
1086		1731
1087	my @logins;	1732	my @logins;
1088		1733
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1093		1744
1094	utf8::decode $login;	1745	utf8::decode $login;
1095	push @logins, $login;	1746	push @logins, $login;
1096	}	1747	}
1097		1748
1098	\@logins	1749	\@logins
1099	}	1750	}
1100		1751
1101	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1102		1755
1103	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1104	player. May block.	1757	player. May block.
1105		1758
1106	=cut	1759	=cut
…		…
1124	}	1777	}
1125		1778
1126	\@paths	1779	\@paths
1127	}	1780	}
1128		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1130		1787
1131	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1132		1789
1133	=cut	1790	=cut
1134		1791
1135	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1137		1794
1138	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1796	}
1142		1797
1143	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1144		1840
1145	=back	1841	=back
1146
1147		1842
1148	=head3 cf::map	1843	=head3 cf::map
1149		1844
1150	=over 4	1845	=over 4
1151		1846
…		…
1163	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1165		1860
1166	sub generate_random_map {	1861	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1169	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	1867	}
1183		1868
1184	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1185		1870
1186	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1191		1876
1192	sub register {	1877	sub register {
1193	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1879	my $pkg = caller;
1195		1880
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1882
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1884	}
1201		1885
1202	# also paths starting with '/'	1886	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1888
1205	sub thawer_merge {	1889	sub thawer_merge {
1206	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1207		1891
1208	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1209	local $self->{path};	1893	local $self->{path};
1210	local $self->{load_path};	1894	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1895
1214	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1215	}	1897	}
1216		1898
1217	sub normalise {	1899	sub normalise {
1218	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1219		1901
1220	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1221		1903
1222	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1223		1905
1224	# map plan:	1906	# map plan:
1225	#	1907	#
…		…
1240	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	1923	$path = "$base/$path";
1242	}	1924	}
1243		1925
1244	for ($path) {	1926	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1248	}	1929	}
1249		1930
1250	$path	1931	$path
…		…
1264	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1265	return $self;	1946	return $self;
1266	}	1947	}
1267	}	1948	}
1268		1949
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	1951	()
1271	}	1952	}
1272		1953
1273	sub init {	1954	sub init {
1274	my ($self) = @_;	1955	my ($self) = @_;
…		…
1289		1970
1290	# the original (read-only) location	1971	# the original (read-only) location
1291	sub load_path {	1972	sub load_path {
1292	my ($self) = @_;	1973	my ($self) = @_;
1293		1974
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1295	}	1976	}
1296		1977
1297	# the temporary/swap location	1978	# the temporary/swap location
1298	sub save_path {	1979	sub save_path {
1299	my ($self) = @_;	1980	my ($self) = @_;
1300		1981
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1303	}	1984	}
1304		1985
1305	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1306	sub uniq_path {	1987	sub uniq_path {
1307	my ($self) = @_;	1988	my ($self) = @_;
1308		1989
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1311	}	1992	}
1312		1993
1313	# and all this just because we cannot iterate over	1994	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1995	my ($self) = @_;
1317		1996
1318	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1320	}	2000	}
1321		2001
1322	sub unlink_save {	2002	sub unlink_save {
1323	my ($self) = @_;	2003	my ($self) = @_;
1324		2004
…		…
1329		2009
1330	sub load_header_from($) {	2010	sub load_header_from($) {
1331	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1332		2012
1333	utf8::encode $path;	2013	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1339		2022
1340	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1341		2024
1342	1	2025	1
1343	}	2026	}
…		…
1382	$self->load_header_orig	2065	$self->load_header_orig
1383	or return;	2066	or return;
1384	$self->prepare_orig;	2067	$self->prepare_orig;
1385	}	2068	}
1386		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
1387	1	2076	1
1388	}	2077	}
1389		2078
1390	sub find;	2079	sub find;
1391	sub find {	2080	sub find {
1392	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1393		2082
		2083	cf::cede_to_tick;
		2084
1394	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1395		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2089
1398	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1401	or return;	2092	or return;
1402		2093
1403	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1404		2095
1405	$map->load_header	2096	$map->load_header
1406	or return;	2097	or return;
1407		2098
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1411	$map->reset;	2104	$map->reset;
1412	undef $guard;
1413	return find $path;	2105	return find $path;
1414	}	2106	}
1415		2107
1416	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1417	}	2109	}
1418	}	2110	}
1419		2111
1420	sub pre_load { }	2112	sub pre_load { }
1421	sub post_load { }	2113	#sub post_load { } # XS
1422		2114
1423	sub load {	2115	sub load {
1424	my ($self) = @_;	2116	my ($self) = @_;
1425		2117
1426	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1427		2119
1428	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1430		2124
		2125	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2127
1433	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1434		2129
1435	$self->alloc;	2130	$self->alloc;
1436		2131
1437	$self->pre_load;	2132	$self->pre_load;
		2133	cf::cede_to_tick;
1438		2134
1439	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1440	or return;	2138	or return;
1441		2139
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1443	if delete $self->{load_original};	2141	if delete $self->{load_original};
1444		2142
1445	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2144	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2147	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1450	}	2151	}
1451	}	2152	}
1452		2153
1453	Coro::cede;	2154	$f->resolve_delayed_derefs;
1454		2155
		2156	cf::cede_to_tick;
1455	# now do the right thing for maps	2157	# now do the right thing for maps
1456	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2160	unless $self->difficulty;
1466	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1467	$self->activate;	2168	$self->activate;
		2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2175	}
1469		2176
1470	$self->post_load;	2177	$self->post_load;
1471		2178
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1473	}	2180	}
1474		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2185	sub customise_for {
1476	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1477		2187
1478	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2189	if $self->per_player;
1480		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1481	$self	2194	$self
1482	}	2195	}
1483		2196
1484	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2198	sub load_neighbours {
1486	my ($map) = @_;	2199	my ($map) = @_;
1487		2200
1488	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1489		2202
1490	for (0 .. 3) {	2203	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1492	or next;	2205	or next;
1493	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1494	or next;	2207	or next;
1495	$neigh->load;	2208	$neigh->load;
1496		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2214	}
1500		2215
1501	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1503	or next;	2219	or next;
1504	$neigh->load;	2220	$neigh->load;
1505	}	2221	}
1506	}	2222	}
1507		2223
1508	sub find_sync {	2224	sub find_sync {
1509	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1510		2226
1511	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1512	}	2231	}
1513		2232
1514	sub do_load_sync {	2233	sub do_load_sync {
1515	my ($map) = @_;	2234	my ($map) = @_;
1516		2235
1517	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1518	}	2240	}
1519		2241
1520	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1522		2244
1523	sub find_async {	2245	sub find_async {
1524	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1525		2247
1526	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1527		2249
1528	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2252	}
1531		2253
1532	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1533	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1534	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2261	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2262	$map->load if $v;
		2263	}
1539		2264
1540	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1541	}	2266	}
1542	}	2267	}
1543	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1544	};	2269	};
1545	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1546		2271
1547	()	2272	()
1548	}	2273	}
1549		2274
		2275	# common code, used by both ->save and ->swapout
1550	sub save {	2276	sub _save {
1551	my ($self) = @_;	2277	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2278
1555	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1556		2280
1557	return unless $self->dirty;	2281	return unless $self->dirty;
1558		2282
…		…
1564	return if $self->{deny_save};	2288	return if $self->{deny_save};
1565		2289
1566	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1567		2291
1568	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1570	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1571		2298
1572	if ($uniq) {	2299	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2302	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2304	}
1578	}	2305	}
1579		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1580	sub swap_out {	2315	sub swap_out {
1581	my ($self) = @_;	2316	my ($self) = @_;
1582		2317
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1588	return if $self->players;	2322	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1592	$self->clear;	2333	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2334	}
1595		2335
1596	sub reset_at {	2336	sub reset_at {
1597	my ($self) = @_;	2337	my ($self) = @_;
1598		2338
1599	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1602		2341
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2344
…		…
1616	my ($self) = @_;	2355	my ($self) = @_;
1617		2356
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2358
1620	return if $self->players;	2359	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2360
1623	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1624		2362
1625	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1626		2364
1627	# need to save uniques path	2365	# need to save uniques path
1628	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2370	if $uniq;
1633	}	2371	}
1634		2372
1635	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1636		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2377	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2378
1641	$self->unlink_save;	2379	$self->unlink_save;
1642	$self->destroy;	2380	$self->destroy;
1643	}	2381	}
1644		2382
1645	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1646		2384
1647	sub nuke {	2385	sub nuke {
1648	my ($self) = @_;	2386	my ($self) = @_;
1649		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1650	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1651		2392
1652	$self->unlink_save;	2393	$self->unlink_save;
1653		2394
1654	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2400
1660	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1661		2403
1662	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1663	}	2441	}
1664		2442
1665	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1666		2444
1667	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2446	instantiated unique items. May block.
1669		2447
1670	=cut	2448	=cut
1671		2449
1672	sub unique_maps() {	2450	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1674	or return;	2452	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2453	utf8::decode $_;
1680	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2456	? ()
1683	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2459	]
1685
1686	\@paths
1687	}	2460	}
1688		2461
1689	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1690		2493
1691	=back	2494	=back
1692		2495
1693	=head3 cf::object	2496	=head3 cf::object
1694		2497
…		…
1698		2501
1699	=over 4	2502	=over 4
1700		2503
1701	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1702		2505
1703	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1704		2508
1705	=cut	2509	=cut
1706		2510
1707	sub inv_recursive_;	2511	sub inv_recursive_;
1708	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1711		2515
1712	sub inv_recursive {	2516	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1714	}	2518	}
1715		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1716	package cf;	2548	package cf;
1717		2549
1718	=back	2550	=back
1719		2551
1720	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1729		2561
1730	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1731		2577
1732	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2579	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1737		2583
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2585
1740	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1742	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1745	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1746	}	2611	}
1747		2612
1748	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1749		2614
1750	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1763		2628
1764	=item $player_object->enter_link	2629	=item $player_object->enter_link
1765		2630
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2632
1768	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1770		2637
1771	Will never block.	2638	Will never block.
1772		2639
1773	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1774		2641
…		…
1794	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2662	my ($self) = @_;
1796		2663
1797	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1798		2665
		2666	++$self->{_link_recursion};
		2667
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2669
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1803		2672
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2674	}
1806		2675
1807	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1809		2680
1810	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1811		2682
1812	unless ($map) {	2683	unless ($map) {
1813	# restore original map position	2684	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1826		2697
1827	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1830		2701
1831	$map->load;	2702	$map->load;
1832	$map->load_diag;	2703	$map->load_neighbours;
1833		2704
1834	return unless $self->contr->active;	2705	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2706
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1839	}	2709	# entering was successful
1840		2710	delete $self->{_link_recursion};
1841	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2712	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2713	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2714
1855	# try to abort aborted map switching on player login :)	2715	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2716
1873	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1875	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1876		2731
1877	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2743
1880	$self->enter_link;	2744	$self->enter_link;
1881		2745
1882	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1883	my $map = eval {	2768	my $map = eval {
1884	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1886	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2784	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1891	})->prio (1);	2792	})->prio (1);
1892	}	2793	}
1893		2794
1894	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1895		2796
…		…
1915	}	2816	}
1916		2817
1917	sub prepare_random_map {	2818	sub prepare_random_map {
1918	my ($exit) = @_;	2819	my ($exit) = @_;
1919		2820
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2823	# that depends on the exit object
1925		2824
1926	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2827	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1933	}	2834	}
1934		2835
1935	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1936		2837
1937	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1940		2841
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2844	undef $fh;
1944	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1945		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1948	}	2853	}
1949	}	2854	}
1950		2855
1951	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1953		2858
1954	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1955		2860
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2861	$self->enter_link;
1966		2862
1967	(async {	2863	(async {
1968	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1969	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
1970	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
1971		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1972	1;	2887	1
1973	}) {	2888	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2893
1979	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2895	$self->leave_link;
1981	}	2896	}
1982	})->prio (1);	2897	})->prio (1);
1983	}	2898	}
1984		2899
…		…
1998		2913
1999	utf8::encode $text;	2914	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2916	}
2002		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
2003		3139
2004	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2005		3141
2006	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3145
2010	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3147	become reliable at some point in the future.
2012		3148
2013	=cut	3149	=cut
2014		3150
2015	sub cf::client::query {	3151	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3160	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3162
2027	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2029	}	3167	}
2030		3168
2031	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2032	on_reply => sub {	3175	on_reply => sub {
2033	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2034		3177
2035	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2036	# get handled first	3179	# get handled first
…		…
2048	} else {	3191	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3193	}
2051	}	3194	}
2052	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2053	);	3222	);
2054		3223
2055	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2056		3225
2057	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3242
2074	$coro	3243	$coro
2075	}	3244	}
2076		3245
2077	cf::client->attach (	3246	cf::client->attach (
2078	on_destroy => sub {	3247	on_client_destroy => sub {
2079	my ($ns) = @_;	3248	my ($ns) = @_;
2080		3249
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3251	},
2083	);	3252	);
…		…
2098	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2100		3269
2101	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2102		3271
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2104		3277
2105	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2106		3279
2107	=pod	3280	=pod
2108		3281
2109	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2110		3283
2111	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2112	cf::object::player player	3289	cf::object::player
2113	cf::player peaceful	3290	player
2114	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2115		3297
2116	=cut	3298	=cut
2117		3299
2118	for (	3300	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2123	) {	3307	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3310	for @funs;
2128	}	3311	}
2129		3312
…		…
2144		3327
2145	my $qcode = $code;	3328	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2148		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2149	local $_;	3335	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3336
2152	my $eval =	3337	my $eval =
2153	"do {\n"	3338	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3341	. $code
2157	. "\n}"	3342	. "\n}"
2158	;	3343	;
2159		3344
		3345	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2163		3354
2164	if ($@) {	3355	if ($@) {
2165	warn "$@";	3356	warn "$@",
2166	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2168	}	3359	}
2169		3360
2170	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2171	}	3362	}
2172		3363
…		…
2186	=cut	3377	=cut
2187		3378
2188	sub register_script_function {	3379	sub register_script_function {
2189	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2190		3381
2191	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2193	}	3384	}
2194		3385
2195	=back	3386	=back
2196		3387
2197	=cut	3388	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3389
2271	#############################################################################	3390	#############################################################################
2272	# the server's init and main functions	3391	# the server's init and main functions
2273		3392
2274	sub load_faces {	3393	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3394	my ($path) = @_;
2276		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2277	warn "loading faces from $path\n";	3402	trace "loading facedata from $path\n";
2278		3403
2279	my $faces;
2280	0 < aio_load $path, $faces	3404	0 < aio_load $path, my $facedata
2281	or die "$path: $!";	3405	or die "$path: $!";
2282		3406
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3407	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3408
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3409	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
		3421	{
		3422	my $faces = $facedata->{faceinfo};
		3423
2291	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3426
		3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	Coro::cede;	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	}	3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
2297		3432
		3433	cf::cede_to_tick;
		3434	}
		3435
2298	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2300	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
		3440	or next;
		3441
		3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
		3518	sub reload_facedata {
		3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
2301	or next;	3543	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;
2304	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}
2307	Coro::cede;
2308	}
2309		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2310	1	3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
2311	}	3554	}
2312		3555
2313	sub reload_resources {	3556	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3557	trace "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3558
		3559	reload_exp_table;
		3560	reload_materials;
2316	load_faces	3561	reload_facedata;
2317	or die "unable to load faces\n";#d#	3562	reload_sound;
2318	}	3563	reload_archetypes;
2319
2320	sub init {
2321	reload_resources;	3564	reload_regions;
2322	}	3565	reload_treasures;
2323		3566
2324	sub cfg_load {	3567	trace "finished reloading resource files\n";
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3568	}
2326	or return;
2327		3569
2328	local $/;	3570	sub reload_config {
2329	*CFG = YAML::Syck::Load <$fh>;	3571	trace "reloading config file...\n";
2330		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2332		3580
2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2335		3583
2336	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2340	};	3588	};
2341	warn $@ if $@;	3589	warn $@ if $@;
2342	}	3590	}
2343	}	3591	}
2344		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2345	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2346	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3634	(async {
2350	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2352	};	3638	};
2353		3639
2354	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2355	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2356	load_extensions;	3663	load_extensions;
2357		3664
2358	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2359	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2360	}	3683	}
2361		3684
2362	#############################################################################	3685	#############################################################################
2363	# initialisation and cleanup	3686	# initialisation and cleanup
2364		3687
2365	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2366	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2369	reentrant => 0,
2370	data => WF_AUTOCANCEL,
2371	signal => $signal,
2372	prio => 0,
2373	cb => sub {
2374	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2375	},
2376	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2377	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2378	}	3784	}
2379		3785
2380	sub emergency_save() {	3786	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2382		3788
2383	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2384		3795
2385	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2386	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2387	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2388	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2390	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3807	$pl->save;
2394	}	3808	}
2395	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2396		3810
2397	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2398	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2399	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2400	$map->valid or next;	3816	$map->valid or next;
2401	$map->save;	3817	$map->save;
2402	}	3818	}
2403	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2404		3820
2405	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2408	};	3849	};
2409		3850
2410	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2411	}	3852	}
2412		3853
2413	sub post_cleanup {	3854	sub post_cleanup {
2414	my ($make_core) = @_;	3855	my ($make_core) = @_;
2415		3856
		3857	IO::AIO::flush;
		3858
2416	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3860	if $make_core;
2418	}
2419		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2420	sub reload() {	3891	sub do_reload_perl() {
2421	# can/must only be called in main	3892	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2423	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2424	return;	3895	return;
2425	}	3896	}
2426		3897
2427	warn "reloading...";	3898	return if $RELOAD++;
2428		3899
2429	warn "entering sync_job";	3900	my $t1 = AE::time;
2430		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2431	cf::sync_job {	3908	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark
2433	cf::emergency_save;	3909	#cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark
2435		3910
2436	warn "syncing database to disk";
2437	BDB::db_env_txn_checkpoint $DB_ENV;
2438
2439	# if anything goes wrong in here, we should simply crash as we already saved
2440
2441	warn "cancelling all WF_AUTOCANCEL watchers";
2442	for (Event::all_watchers) {
2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2444	}
2445
2446	warn "flushing outstanding aio requests";
2447	for (;;) {
2448	BDB::flush;
2449	IO::AIO::flush;
2450	Coro::cede;
2451	last unless IO::AIO::nreqs || BDB::nreqs;
2452	warn "iterate...";
2453	}
2454
2455	++$RELOAD;
2456
2457	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();	3913	%EXT_CORO = ();
2460		3914
2461	warn "removing commands";	3915	trace "perl_reload: removing commands";
2462	%COMMAND = ();	3916	%COMMAND = ();
2463		3917
2464	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2465	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2466		3921
2467	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2470		3925
2471	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2472	eval {	3927	eval {
2473	$cb->($pkg);	3928	$cb->($pkg);
2474	1	3929	1
2475	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2476	}	3935	}
2477		3936
2478	warn "... nuking $pkg";
2479	Symbol::delete_package $pkg;
2480	}
2481
2482	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2483	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3940
2486	warn "... unloading $k";	3941	trace "... unloading $k";
2487	delete $INC{$k};	3942	delete $INC{$k};
2488		3943
2489	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2491		3946
2492	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2493	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2494	}	3952	}
2495		3953
2496	Symbol::delete_package $k;
2497	}
2498
2499	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3957
2503	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2505		3961
2506	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3963	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2509		3965
2510	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2511		3967
2512	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2513	require cf;	3969	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2515		3971
2516	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2517	cf::cfg_load;	3973	cf::reload_config;
2518		3974
2519	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2520	cf::load_extensions;	3976	cf::load_extensions;
2521		3977
		3978	if ($REATTACH_ON_RELOAD) {
2522	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2528		3986
2529	warn "loading reloadable resources";	3987	cf::_post_init 1;
2530	reload_resources;
2531		3988
2532	warn "leaving sync_job";	3989	trace "perl_reload: leaving sync_job";
2533		3990
2534	1	3991	1
2535	} or do {	3992	} or do {
2536	warn $@;	3993	error $@;
2537	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2538	exit 1;	3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2539	};	4017	};
2540		4018	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		4019
2546	register_command "reload" => sub {	4020	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2548		4022
2549	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
2551		4025	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	4026	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	4027	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	4028	};
2564	}	4029	}
2565	};	4030	};
2566		4031
2567	unshift @INC, $LIBDIR;	4032	#############################################################################
2568		4033
2569	my $bug_warning = 0;	4034	my $bug_warning = 0;
2570		4035
2571	$TICK_WATCHER = Event->timer (	4036	our @WAIT_FOR_TICK;
2572	reentrant => 0,	4037	our @WAIT_FOR_TICK_BEGIN;
2573	parked => 1,	4038
2574	prio => 0,	4039	sub wait_for_tick() {
2575	at => $NEXT_TICK || $TICK,	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2576	data => WF_AUTOCANCEL,	4041
2577	cb => sub {	4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
2578	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2581	return;	4059	return;
2582	}	4060	}
2583		4061
2584	$NOW = Event::time;
2585
2586	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		4063
		4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4065
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	4070	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2595	};
2596	}	4072	};
2597
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#
2603
2604	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2606
2607	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;
2609	},	4073	}
2610	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
2611		4093
2612	{	4094	{
2613	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	4096
2615	reentrant => 0,
2616	fd => BDB::poll_fileno,
2617	poll => 'r',
2618	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,
2621	);
2622	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
2623		4098	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
2625	my $status;
2626	my $current = $Coro::current;
2627	(
2628	sub {
2629	$status = $!;
2630	$current->ready; undef $current;
2631	},
2632	sub {
2633	Coro::schedule while defined $current;
2634	$! = $status;
2635	},
2636	)
2637	};
2638		4100
2639	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		4108
2642	cf::sync_job {	4109	cf::sync_job {
2643	eval {	4110	eval {
2644	BDB::db_env_open	4111	BDB::db_env_open
2645	$DB_ENV,	4112	$DB_ENV,
2646	$BDB_ENV_DIR,	4113	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	4116	0666;
2650		4117
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	4119	};
2656		4120
2657	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	4122	};
2659	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2660	}	4134	}
2661		4135
2662	{	4136	{
		4137	# configure IO::AIO
		4138
2663	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2668	reentrant => 0,
2669	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,
2671	poll => 'r',
2672	prio => 6,
2673	cb => \&IO::AIO::poll_cb,
2674	);
2675	}	4142	}
		4143
		4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
		4146
		4147	sub _log_backtrace {
		4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
		4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2676		4194
2677	END { cf::emergency_save }	4195	END { cf::emergency_save }
2678		4196
2679	1	4197	1
2680		4198

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