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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 1.553 by root, Tue May 18 21:30:16 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) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1168	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1867	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1191		1889
1192	sub register {	1890	sub register {
1193	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1892	my $pkg = caller;
1195		1893
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1895
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1897	}
1201		1898
1202	# also paths starting with '/'	1899	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1901
1205	sub thawer_merge {	1902	sub thawer_merge {
1206	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1207		1904
1208	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1209	local $self->{path};	1906	local $self->{path};
1210	local $self->{load_path};	1907	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1908
1214	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1215	}	1910	}
1216		1911
1217	sub normalise {	1912	sub normalise {
1218	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1219		1914
1220	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1221		1916
1222	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1223		1918
1224	# map plan:	1919	# map plan:
1225	#	1920	#
…		…
1240	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	1936	$path = "$base/$path";
1242	}	1937	}
1243		1938
1244	for ($path) {	1939	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1248	}	1942	}
1249		1943
1250	$path	1944	$path
…		…
1264	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1265	return $self;	1959	return $self;
1266	}	1960	}
1267	}	1961	}
1268		1962
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	1964	()
1271	}	1965	}
1272		1966
1273	sub init {	1967	sub init {
1274	my ($self) = @_;	1968	my ($self) = @_;
…		…
1289		1983
1290	# the original (read-only) location	1984	# the original (read-only) location
1291	sub load_path {	1985	sub load_path {
1292	my ($self) = @_;	1986	my ($self) = @_;
1293		1987
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1295	}	1989	}
1296		1990
1297	# the temporary/swap location	1991	# the temporary/swap location
1298	sub save_path {	1992	sub save_path {
1299	my ($self) = @_;	1993	my ($self) = @_;
1300		1994
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1303	}	1997	}
1304		1998
1305	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1306	sub uniq_path {	2000	sub uniq_path {
1307	my ($self) = @_;	2001	my ($self) = @_;
1308		2002
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1311	}	2005	}
1312		2006
1313	# and all this just because we cannot iterate over	2007	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2008	my ($self) = @_;
1317		2009
1318	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1320	}	2013	}
1321		2014
1322	sub unlink_save {	2015	sub unlink_save {
1323	my ($self) = @_;	2016	my ($self) = @_;
1324		2017
…		…
1329		2022
1330	sub load_header_from($) {	2023	sub load_header_from($) {
1331	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1332		2025
1333	utf8::encode $path;	2026	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1339		2035
1340	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1341		2037
1342	1	2038	1
1343	}	2039	}
…		…
1382	$self->load_header_orig	2078	$self->load_header_orig
1383	or return;	2079	or return;
1384	$self->prepare_orig;	2080	$self->prepare_orig;
1385	}	2081	}
1386		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
1387	1	2089	1
1388	}	2090	}
1389		2091
1390	sub find;	2092	sub find;
1391	sub find {	2093	sub find {
1392	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1393		2095
		2096	cf::cede_to_tick;
		2097
1394	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1395		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2102
1398	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1401	or return;	2105	or return;
1402		2106
1403	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1404		2108
1405	$map->load_header	2109	$map->load_header
1406	or return;	2110	or return;
1407		2111
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1411	$map->reset;	2117	$map->reset;
1412	undef $guard;
1413	return find $path;	2118	return find $path;
1414	}	2119	}
1415		2120
1416	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1417	}	2122	}
1418	}	2123	}
1419		2124
1420	sub pre_load { }	2125	sub pre_load { }
1421	sub post_load { }	2126	#sub post_load { } # XS
1422		2127
1423	sub load {	2128	sub load {
1424	my ($self) = @_;	2129	my ($self) = @_;
1425		2130
1426	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1427		2132
1428	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1430		2137
		2138	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2140
1433	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1434		2142
1435	$self->alloc;	2143	$self->alloc;
1436		2144
1437	$self->pre_load;	2145	$self->pre_load;
		2146	cf::cede_to_tick;
1438		2147
1439	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1440	or return;	2151	or return;
1441		2152
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1443	if delete $self->{load_original};	2154	if delete $self->{load_original};
1444		2155
1445	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2157	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2160	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1450	}	2164	}
1451	}	2165	}
1452		2166
1453	Coro::cede;	2167	$f->resolve_delayed_derefs;
1454		2168
		2169	cf::cede_to_tick;
1455	# now do the right thing for maps	2170	# now do the right thing for maps
1456	$self->link_multipart_objects;	2171	$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)	2172	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2173	unless $self->difficulty;
1466	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1467	$self->activate;	2181	$self->activate;
		2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2188	}
1469		2189
1470	$self->post_load;	2190	$self->post_load;
1471		2191
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2192	1
1473	}	2193	}
1474		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2198	sub customise_for {
1476	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1477		2200
1478	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2202	if $self->per_player;
1480		2203
		2204	# return find "?party/" . $ob->name . "/" . $self->{path}
		2205	# if $self->per_party;
		2206
1481	$self	2207	$self
1482	}	2208	}
1483		2209
1484	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2211	sub load_neighbours {
1486	my ($map) = @_;	2212	my ($map) = @_;
1487		2213
1488	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1489		2215
1490	for (0 .. 3) {	2216	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1492	or next;	2218	or next;
1493	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1494	or next;	2220	or next;
1495	$neigh->load;	2221	$neigh->load;
1496		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2227	}
1500		2228
1501	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1503	or next;	2232	or next;
1504	$neigh->load;	2233	$neigh->load;
1505	}	2234	}
1506	}	2235	}
1507		2236
1508	sub find_sync {	2237	sub find_sync {
1509	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1510		2239
1511	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1512	}	2244	}
1513		2245
1514	sub do_load_sync {	2246	sub do_load_sync {
1515	my ($map) = @_;	2247	my ($map) = @_;
1516		2248
1517	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1518	}	2253	}
1519		2254
1520	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1522		2257
1523	sub find_async {	2258	sub find_async {
1524	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1525		2260
1526	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1527		2262
1528	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2265	}
1531		2266
1532	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1533	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1534	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2274	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2275	$map->load if $v;
		2276	}
1539		2277
1540	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1541	}	2279	}
1542	}	2280	}
1543	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1544	};	2282	};
1545	$MAP_PREFETCHER->prio (6);	2283	$MAP_PREFETCHER->prio (6);
1546		2284
1547	()	2285	()
1548	}	2286	}
1549		2287
		2288	# common code, used by both ->save and ->swapout
1550	sub save {	2289	sub _save {
1551	my ($self) = @_;	2290	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2291
1555	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1556		2293
1557	return unless $self->dirty;	2294	return unless $self->dirty;
1558		2295
…		…
1564	return if $self->{deny_save};	2301	return if $self->{deny_save};
1565		2302
1566	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1567		2304
1568	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1570	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1571		2311
1572	if ($uniq) {	2312	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2315	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2317	}
1578	}	2318	}
1579		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1580	sub swap_out {	2328	sub swap_out {
1581	my ($self) = @_;	2329	my ($self) = @_;
1582		2330
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1588	return if $self->players;	2335	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1592	$self->clear;	2346	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2347	}
1595		2348
1596	sub reset_at {	2349	sub reset_at {
1597	my ($self) = @_;	2350	my ($self) = @_;
1598		2351
1599	# TODO: safety, remove and allow resettable per-player maps	2352	# 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};	2353	return 1e99 if $self->{deny_reset};
1602		2354
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2355	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2356	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2357
…		…
1616	my ($self) = @_;	2368	my ($self) = @_;
1617		2369
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2371
1620	return if $self->players;	2372	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2373
1623	warn "resetting map ", $self->path;#d#	2374	cf::trace "resetting map ", $self->path, "\n";
1624		2375
1625	$self->in_memory (cf::MAP_SWAPPED);	2376	$self->in_memory (cf::MAP_SWAPPED);
1626		2377
1627	# need to save uniques path	2378	# need to save uniques path
1628	unless ($self->{deny_save}) {	2379	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2383	if $uniq;
1633	}	2384	}
1634		2385
1635	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1636		2387
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2390	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2391
1641	$self->unlink_save;	2392	$self->unlink_save;
1642	$self->destroy;	2393	$self->destroy;
1643	}	2394	}
1644		2395
1645	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
1646		2397
1647	sub nuke {	2398	sub nuke {
1648	my ($self) = @_;	2399	my ($self) = @_;
1649		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
1650	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
1651		2405
1652	$self->unlink_save;	2406	$self->unlink_save;
1653		2407
1654	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2413
1660	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
1661		2416
1662	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
		2418	}
		2419
		2420	=item $maps = cf::map::tmp_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	maps. May block.
		2424
		2425	=cut
		2426
		2427	sub tmp_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise $_
		2433	: ()
		2434	} @{ aio_readdir $TMPDIR or [] }
		2435	]
		2436	}
		2437
		2438	=item $maps = cf::map::random_maps
		2439
		2440	Returns an arrayref with all map paths of currently instantiated and saved
		2441	random maps. May block.
		2442
		2443	=cut
		2444
		2445	sub random_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	/\.map$/
		2450	? normalise "?random/$_"
		2451	: ()
		2452	} @{ aio_readdir $RANDOMDIR or [] }
		2453	]
1663	}	2454	}
1664		2455
1665	=item cf::map::unique_maps	2456	=item cf::map::unique_maps
1666		2457
1667	Returns an arrayref of paths of all shared maps that have	2458	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2459	instantiated unique items. May block.
1669		2460
1670	=cut	2461	=cut
1671		2462
1672	sub unique_maps() {	2463	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2464	[
1674	or return;	2465	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2466	utf8::decode $_;
1680	next if /\.pst$/;	2467	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2469	? ()
1683	push @paths, cf::map::normalise $_;	2470	: normalise $_
		2471	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2472	]
1685
1686	\@paths
1687	}	2473	}
1688		2474
1689	package cf;	2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
		2502	}
		2503
		2504	\@maps
		2505	}
1690		2506
1691	=back	2507	=back
1692		2508
1693	=head3 cf::object	2509	=head3 cf::object
1694		2510
…		…
1698		2514
1699	=over 4	2515	=over 4
1700		2516
1701	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
1702		2518
1703	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
1704		2521
1705	=cut	2522	=cut
1706		2523
1707	sub inv_recursive_;	2524	sub inv_recursive_;
1708	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
1711		2528
1712	sub inv_recursive {	2529	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
1714	}	2531	}
1715		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
1716	package cf;	2561	package cf;
1717		2562
1718	=back	2563	=back
1719		2564
1720	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	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	2572	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
1729		2574
1730	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
1731		2590
1732	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2592	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
1737		2596
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2597	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2598
1740	if ($self->{record_replies}) {	2599	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2600	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2601
1742	} else {	2602	} else {
		2603	my $pl = $self->contr;
		2604
		2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2606	my $dialog = $pl->{npc_dialog};
		2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2608
		2609	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2612	}
1745	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
1746	}	2624	}
1747		2625
1748	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
1749		2627
1750	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
1763		2641
1764	=item $player_object->enter_link	2642	=item $player_object->enter_link
1765		2643
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2645
1768	The player should be reasonably safe there for short amounts of time. You	2646	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.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
1770		2650
1771	Will never block.	2651	Will never block.
1772		2652
1773	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
1774		2654
…		…
1794	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2675	my ($self) = @_;
1796		2676
1797	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
1798		2678
		2679	++$self->{_link_recursion};
		2680
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2682
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2684	if $self->map && $self->map->{path} ne "{link}";
1803		2685
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2687	}
1806		2688
1807	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
		2691
		2692	return unless $self->contr->active;
1809		2693
1810	my $link_pos = delete $self->{_link_pos};	2694	my $link_pos = delete $self->{_link_pos};
1811		2695
1812	unless ($map) {	2696	unless ($map) {
1813	# restore original map position	2697	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
1826		2710
1827	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
1830		2714
1831	$map->load;	2715	$map->load;
1832	$map->load_diag;	2716	$map->load_neighbours;
1833		2717
1834	return unless $self->contr->active;	2718	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2719
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2721	if ($self->enter_map ($map, $x, $y)) {
1839	}	2722	# entering was successful
1840		2723	delete $self->{_link_recursion};
1841	cf::player->attach (	2724	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2725	$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	},	2726	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2727
1855	# try to abort aborted map switching on player login :)	2728	}
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		2729
1873	=item $player_object->goto ($path, $x, $y)	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2731
		2732	Moves the player to the given map-path and coordinates by first freezing
		2733	her, loading and preparing them map, calling the provided $check callback
		2734	that has to return the map if sucecssful, and then unfreezes the player on
		2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
1875	=cut	2741	=cut
		2742
		2743	our $GOTOGEN;
1876		2744
1877	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
		2754	# do generation counting so two concurrent goto's will be executed in-order
		2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2756
1880	$self->enter_link;	2757	$self->enter_link;
1881		2758
1882	(async {	2759	(async {
		2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
1883	my $map = eval {	2781	my $map = eval {
1884	my $map = cf::map::find $path;	2782	my $map = defined $path ? cf::map::find $path : undef;
		2783
		2784	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2785	$map = $map->customise_for ($self);
		2786	$map = $check->($map, $x, $y, $self) if $check && $map;
		2787	} else {
		2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2789	}
		2790
1886	$map	2791	$map
		2792	};
		2793
		2794	if ($@) {
		2795	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2796	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2797	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2798
		2799	if ($gen == $self->{_goto_generation}) {
		2800	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
		2802	}
		2803
		2804	$done->($self) if $done;
1891	})->prio (1);	2805	})->prio (1);
1892	}	2806	}
1893		2807
1894	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
1895		2809
…		…
1915	}	2829	}
1916		2830
1917	sub prepare_random_map {	2831	sub prepare_random_map {
1918	my ($exit) = @_;	2832	my ($exit) = @_;
1919		2833
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2836	# that depends on the exit object
1925		2837
1926	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2840	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2841	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
1933	}	2847	}
1934		2848
1935	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
1936		2850
1937	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
1940		2854
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2857	undef $fh;
1944	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
1945		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
1948	}	2866	}
1949	}	2867	}
1950		2868
1951	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
1953		2871
1954	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
1955		2873
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;	2874	$self->enter_link;
1966		2875
1967	(async {	2876	(async {
1968	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
1969	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
		2886	prepare_random_map $exit
		2887	if $exit->slaying eq "/!";
		2888	}
		2889
		2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
		2893
1970	$self->goto ($slaying, $hp, $sp);	2894	$self->goto ($map, $x, $y);
1971		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
1972	1;	2900	1
1973	}) {	2901	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2906
1979	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2908	$self->leave_link;
1981	}	2909	}
1982	})->prio (1);	2910	})->prio (1);
1983	}	2911	}
1984		2912
…		…
1998		2926
1999	utf8::encode $text;	2927	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2929	}
2002		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
		2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2957
		2958	Send a drawinfo or msg packet to the client, formatting the msg for the
		2959	client if neccessary. C<$type> should be a string identifying the type of
		2960	the message, with C<log> being the default. If C<$color> is negative, suppress
		2961	the message unless the client supports the msg packet.
		2962
		2963	=cut
		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
		3079	sub cf::client::send_msg {
		3080	my ($self, $channel, $msg, $color, @extra) = @_;
		3081
		3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
		3103
		3104	return unless @extra || length $msg;
		3105
		3106	# default colour, mask it out
		3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3108	if $color & cf::NDI_DEF;
		3109
		3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
		3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3113	);
		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
		3118	=item $client->ext_msg ($type, @msg)
		3119
		3120	Sends an ext event to the client.
		3121
		3122	=cut
		3123
		3124	sub cf::client::ext_msg($$@) {
		3125	my ($self, $type, @msg) = @_;
		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
		3130	push @msg, msgtype => "event_$type";
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
		3151	}
2003		3152
2004	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
2005		3154
2006	Queues a query to the client, calling the given callback with	3155	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>,	3156	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>.	3157	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3158
2010	Queries can fail, so check the return code. Or don't, as queries will become	3159	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3160	become reliable at some point in the future.
2012		3161
2013	=cut	3162	=cut
2014		3163
2015	sub cf::client::query {	3164	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3165	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3173	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3174	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3175
2027	$self->send_packet ($self->{query_queue}[0][0])	3176	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3177	if @{ $self->{query_queue} } == 1;
		3178
		3179	1
2029	}	3180	}
2030		3181
2031	cf::client->attach (	3182	cf::client->attach (
		3183	on_connect => sub {
		3184	my ($ns) = @_;
		3185
		3186	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3187	},
2032	on_reply => sub {	3188	on_reply => sub {
2033	my ($ns, $msg) = @_;	3189	my ($ns, $msg) = @_;
2034		3190
2035	# this weird shuffling is so that direct followup queries	3191	# this weird shuffling is so that direct followup queries
2036	# get handled first	3192	# get handled first
…		…
2048	} else {	3204	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3205	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3206	}
2051	}	3207	}
2052	},	3208	},
		3209	on_exticmd => sub {
		3210	my ($ns, $buf) = @_;
		3211
		3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3213
		3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
		3222	if (my $cb = $EXTICMD{$type}) {
		3223	@reply = $cb->($ns, @payload);
		3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
		3229	} else {
		3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3231	}
		3232
		3233	cf::override;
		3234	},
2053	);	3235	);
2054		3236
2055	=item $client->async (\&cb)	3237	=item $client->async (\&cb)
2056		3238
2057	Create a new coroutine, running the specified callback. The coroutine will	3239	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3255
2074	$coro	3256	$coro
2075	}	3257	}
2076		3258
2077	cf::client->attach (	3259	cf::client->attach (
2078	on_destroy => sub {	3260	on_client_destroy => sub {
2079	my ($ns) = @_;	3261	my ($ns) = @_;
2080		3262
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3264	},
2083	);	3265	);
…		…
2098	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2100		3282
2101	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2102		3284
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2104		3290
2105	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2106		3292
2107	=pod	3293	=pod
2108		3294
2109	The following fucntions and emthods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2110		3296
2111	cf::object contr pay_amount pay_player map	3297	cf::object
		3298	contr pay_amount pay_player map x y force_find force_add destroy
		3299	insert remove name archname title slaying race decrease split
		3300	value
		3301
2112	cf::object::player player	3302	cf::object::player
2113	cf::player peaceful	3303	player
2114	cf::map trigger	3304
		3305	cf::player
		3306	peaceful
		3307
		3308	cf::map
		3309	trigger
2115		3310
2116	=cut	3311	=cut
2117		3312
2118	for (	3313	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2123	) {	3320	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3323	for @funs;
2128	}	3324	}
2129		3325
…		…
2144		3340
2145	my $qcode = $code;	3341	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2148		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2149	local $_;	3348	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3349
2152	my $eval =	3350	my $eval =
2153	"do {\n"	3351	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3354	. $code
2157	. "\n}"	3355	. "\n}"
2158	;	3356	;
2159		3357
		3358	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2163		3367
2164	if ($@) {	3368	if ($@) {
2165	warn "$@";	3369	warn "$@",
2166	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2168	}	3372	}
2169		3373
2170	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2171	}	3375	}
2172		3376
…		…
2186	=cut	3390	=cut
2187		3391
2188	sub register_script_function {	3392	sub register_script_function {
2189	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2190		3394
2191	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2193	}	3397	}
2194		3398
2195	=back	3399	=back
2196		3400
2197	=cut	3401	=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		3402
2271	#############################################################################	3403	#############################################################################
2272	# the server's init and main functions	3404	# the server's init and main functions
2273		3405
2274	sub load_faces {	3406	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3407	my ($path) = @_;
2276		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2277	warn "loading faces from $path\n";	3415	trace "loading facedata from $path\n";
2278		3416
2279	my $faces;
2280	0 < aio_load $path, $faces	3417	0 < aio_load $path, my $facedata
2281	or die "$path: $!";	3418	or die "$path: $!";
2282		3419
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3420	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3421
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3422	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
		3434	{
		3435	my $faces = $facedata->{faceinfo};
		3436
2291	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439
		3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	Coro::cede;	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	}
2297		3444
		3445	cf::cede_to_tick;
		3446	}
		3447
2298	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2300	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
2301	or next;	3555	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		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2310	1	3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
2311	}	3566	}
2312		3567
2313	sub reload_resources {	3568	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3569	trace "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3570
		3571	reload_exp_table;
		3572	reload_materials;
2316	load_faces	3573	reload_facedata;
2317	or die "unable to load faces\n";#d#	3574	reload_sound;
2318	}	3575	reload_archetypes;
2319
2320	sub init {
2321	reload_resources;	3576	reload_regions;
2322	}	3577	reload_treasures;
2323		3578
2324	sub cfg_load {	3579	trace "finished reloading resource files\n";
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3580	}
2326	or return;
2327		3581
2328	local $/;	3582	sub reload_config {
2329	*CFG = YAML::Syck::Load <$fh>;	3583	trace "reloading config file...\n";
2330		3584
		3585	0 < aio_load "$CONFDIR/config", my $config
		3586	or die "$CONFDIR/config: $!";
		3587
		3588	utf8::decode $config;
		3589	*CFG = yaml_load $config;
		3590
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2332		3592
2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$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};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2335		3595
2336	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2340	};	3600	};
2341	warn $@ if $@;	3601	warn $@ if $@;
2342	}	3602	}
2343	}	3603	}
2344		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2345	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2346	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3646	(async {
2350	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2352	};	3650	};
2353		3651
2354	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
2355	db_init;	3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2356	load_extensions;	3675	load_extensions;
2357		3676
2358	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2359	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2360	}	3695	}
2361		3696
2362	#############################################################################	3697	#############################################################################
2363	# initialisation and cleanup	3698	# initialisation and cleanup
2364		3699
2365	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2366	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3704	$SIGWATCHER{$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";	3705	cf::cleanup "SIG$signal";
2375	},
2376	);	3706	};
		3707	}
		3708	}
		3709
		3710	sub write_runtime_sync {
		3711	my $t0 = AE::time;
		3712
		3713	# first touch the runtime file to show we are still running:
		3714	# the fsync below can take a very very long time.
		3715
		3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3717
		3718	my $guard = cf::lock_acquire "write_runtime";
		3719
		3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3721	or return;
		3722
		3723	my $value = $cf::RUNTIME + 90 + 10;
		3724	# 10 is the runtime save interval, for a monotonic clock
		3725	# 60 allows for the watchdog to kill the server.
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	# touch it again to show we are up-to-date
		3735	aio_utime $fh, undef, undef;
		3736
		3737	close $fh
		3738	or return;
		3739
		3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3741	and return;
		3742
		3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3744
2377	}	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2378	}	3796	}
2379		3797
2380	sub emergency_save() {	3798	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2382		3800
2383	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2384		3807
2385	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2386	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2387	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2388	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2390	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3819	$pl->save;
2394	}	3820	}
2395	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2396		3822
2397	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2398	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2399	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2400	$map->valid or next;	3828	$map->valid or next;
2401	$map->save;	3829	$map->save;
2402	}	3830	}
2403	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
2404		3832
2405	warn "begin emergency database checkpoint\n";	3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3836	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2408	};	3861	};
2409		3862
2410	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2411	}	3864	}
2412		3865
2413	sub post_cleanup {	3866	sub post_cleanup {
2414	my ($make_core) = @_;	3867	my ($make_core) = @_;
2415		3868
		3869	IO::AIO::flush;
		3870
2416	warn Carp::longmess "post_cleanup backtrace"	3871	error Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3872	if $make_core;
2418	}
2419		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
		3901	}
		3902
2420	sub reload() {	3903	sub do_reload_perl() {
2421	# can/must only be called in main	3904	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2423	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2424	return;	3907	return;
2425	}	3908	}
2426		3909
2427	warn "reloading...";	3910	return if $RELOAD++;
2428		3911
2429	warn "entering sync_job";	3912	my $t1 = AE::time;
2430		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
2431	cf::sync_job {	3920	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark
2433	cf::emergency_save;	3921	#cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark
2435		3922
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";	3923	trace "perl_reload: cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();	3925	%EXT_CORO = ();
2460		3926
2461	warn "removing commands";	3927	trace "perl_reload: removing commands";
2462	%COMMAND = ();	3928	%COMMAND = ();
2463		3929
2464	warn "removing ext commands";	3930	trace "perl_reload: removing ext/exti commands";
2465	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2466		3933
2467	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2470		3937
2471	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2472	eval {	3939	eval {
2473	$cb->($pkg);	3940	$cb->($pkg);
2474	1	3941	1
2475	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2476	}	3947	}
2477		3948
2478	warn "... nuking $pkg";
2479	Symbol::delete_package $pkg;
2480	}
2481
2482	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2483	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3952
2486	warn "... unloading $k";	3953	trace "... unloading $k";
2487	delete $INC{$k};	3954	delete $INC{$k};
2488		3955
2489	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2491		3958
2492	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2493	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2494	}	3964	}
2495		3965
2496	Symbol::delete_package $k;
2497	}
2498
2499	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3969
2503	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2505		3973
2506	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3975	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2509		3977
2510	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
2511		3979
2512	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
2513	require cf;	3981	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2515		3983
2516	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
2517	cf::cfg_load;	3985	cf::reload_config;
2518		3986
2519	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
2520	cf::load_extensions;	3988	cf::load_extensions;
2521		3989
		3990	if ($REATTACH_ON_RELOAD) {
2522	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3995	trace "perl_reload: reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2528		3998
2529	warn "loading reloadable resources";	3999	cf::_post_init 1;
2530	reload_resources;
2531		4000
2532	warn "leaving sync_job";	4001	trace "perl_reload: leaving sync_job";
2533		4002
2534	1	4003	1
2535	} or do {	4004	} or do {
2536	warn $@;	4005	error $@;
2537	warn "error while reloading, exiting.";	4006	cf::cleanup "perl_reload: error, exiting.";
2538	exit 1;	4007	};
		4008
		4009	--$RELOAD;
		4010	}
		4011
		4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
		4014	};
		4015
		4016	our $RELOAD_WATCHER; # used only during reload
		4017
		4018	sub reload_perl() {
		4019	# doing reload synchronously and two reloads happen back-to-back,
		4020	# coro crashes during coro_state_free->destroy here.
		4021
		4022	$RELOAD_WATCHER ||= cf::async {
		4023	Coro::AIO::aio_wait cache_extensions;
		4024
		4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4026	do_reload_perl;
		4027	undef $RELOAD_WATCHER;
		4028	};
2539	};	4029	};
2540		4030	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		4031
2546	register_command "reload" => sub {	4032	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
2548		4034
2549	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
2551		4037	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	4038	$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;	4039	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	4040	};
2564	}	4041	}
2565	};	4042	};
2566		4043
2567	unshift @INC, $LIBDIR;	4044	#############################################################################
2568		4045
2569	my $bug_warning = 0;	4046	my $bug_warning = 0;
2570		4047
2571	$TICK_WATCHER = Event->timer (	4048	our @WAIT_FOR_TICK;
2572	reentrant => 0,	4049	our @WAIT_FOR_TICK_BEGIN;
2573	parked => 1,	4050
2574	prio => 0,	4051	sub wait_for_tick() {
2575	at => $NEXT_TICK || $TICK,	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2576	data => WF_AUTOCANCEL,	4053
2577	cb => sub {	4054	my $signal = new Coro::Signal;
		4055	push @WAIT_FOR_TICK, $signal;
		4056	$signal->wait;
		4057	}
		4058
		4059	sub wait_for_tick_begin() {
		4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4061
		4062	my $signal = new Coro::Signal;
		4063	push @WAIT_FOR_TICK_BEGIN, $signal;
		4064	$signal->wait;
		4065	}
		4066
		4067	sub tick {
2578	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
2581	return;	4071	return;
2582	}	4072	}
2583		4073
2584	$NOW = Event::time;
2585
2586	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		4075
		4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4077
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	4080	Coro::async_pool {
		4081	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	4082	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	4083	or error "ERROR: unable to write runtime file: $!";
2595	};
2596	}	4084	};
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	},	4085	}
2610	);	4086
		4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4088	$sig->send;
		4089	}
		4090	while (my $sig = shift @WAIT_FOR_TICK) {
		4091	$sig->send;
		4092	}
		4093
		4094	$LOAD = ($NOW - $TICK_START) / $TICK;
		4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4096
		4097	if (0) {
		4098	if ($NEXT_TICK) {
		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
		4103	}
		4104	}
2611		4105
2612	{	4106	{
2613	BDB::max_poll_time $TICK * 0.1;	4107	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	4108
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;	4109	BDB::min_parallel 16;
2623		4110	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	4111	$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	$! = $status;
2635	},
2636	)
2637	};
2638		4112
2639	unless ($DB_ENV) {	4113	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		4120
2642	cf::sync_job {	4121	cf::sync_job {
2643	eval {	4122	eval {
2644	BDB::db_env_open	4123	BDB::db_env_open
2645	$DB_ENV,	4124	$DB_ENV,
2646	$BDB_ENV_DIR,	4125	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	4128	0666;
2650		4129
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4130	cf::cleanup "db_env_open($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	};	4131	};
2656		4132
2657	cf::cleanup "db_env_open(db): $@" if $@;	4133	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	4134	};
2659	}	4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
2660	}	4146	}
2661		4147
2662	{	4148	{
		4149	# configure IO::AIO
		4150
2663	IO::AIO::min_parallel 8;	4151	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	4152	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	4153	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	}	4154	}
		4155
		4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
		4158
		4159	sub _log_backtrace {
		4160	my ($msg, @addr) = @_;
		4161
		4162	$msg =~ s/\n$//;
		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4167	# limit the # of concurrent backtraces
		4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
		4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
		4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
		4175	my @bt = fork_call {
		4176	@addr = map { sprintf "%x", $_ } @addr;
		4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4179	or die "addr2line: $!";
		4180
		4181	my @funcs;
		4182	my @res = <$fh>;
		4183	chomp for @res;
		4184	while (@res) {
		4185	my ($func, $line) = splice @res, 0, 2, ();
		4186	push @funcs, "[$func] $line";
		4187	}
		4188
		4189	@funcs
		4190	};
		4191
		4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4194	LOG llevInfo, "[ABT] $_\n" for @bt;
		4195	--$_log_backtrace;
		4196	};
		4197	} else {
		4198	LOG llevInfo, "[ABT] $msg\n";
		4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4200	}
		4201	}
		4202
		4203	# load additional modules
		4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
2676		4206
2677	END { cf::emergency_save }	4207	END { cf::emergency_save }
2678		4208
2679	1	4209	1
2680		4210

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