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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	201	every server tick.
120		202
121	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		300
169	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
223	=item cf::lock_wait $string	405	=item cf::lock_wait $string
224		406
225	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
226		408
227	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
228		410
229	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
232	returned.	414	returned.
233		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
234	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
236		421
237	=cut	422	=item $locked = cf::lock_active $string
238		423
239	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
240		429
241	sub lock_wait($) {	430	sub lock_wait($) {
242	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	432	}
250		433
251	sub lock_acquire($) {	434	sub lock_acquire($) {
252	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
253		437
254	# wait, to be sure we are not locked	438	sub lock_active($) {
255	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	440	}
264		441
265	sub freeze_mainloop {	442	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
267		444
268	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
270	};	512	}
271	$TICK_WATCHER->stop;	513	};
272	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		618
353	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
354		623
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
356	or return;
357		625
358	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
360	# 60 allows for the watchdog to kill the server.	628	}
361		629
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
363	and return;	631	my ($cb, @args) = @_;
364		632
365	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
367	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	close $fh	637	my @res = Coro::Util::fork_eval {
370	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
372	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
373	and return;	643	}
374		644
		645	sub objinfo {
375	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		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 });
376	}	821	}
377		822
378	=back	823	=back
379		824
380	=cut	825	=cut
381		826
382	#############################################################################	827	#############################################################################
383		828
384	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
385		830
386	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
387	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")
388	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
389		834
390	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>
391	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
392	crossfire+).	837	Deliantra).
393		838
394	=over 4	839	=over 4
395		840
396	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
397		842
…		…
441	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
442		887
443	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
445		890
446	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		893
449	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
450		895
451	=over 4	896	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
561		1006
562	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1011
567	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
569		1014
570	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
575		1020
576	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1023
579	} elsif (ref $type) {	1024	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
581		1026
582	} else {	1027	} else {
583	shift @arg;	1028	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
585	}	1030	}
586	}	1031	}
587	}	1032	}
588		1033
589	sub _object_attach {	1034	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
600	}	1045	}
601		1046
602	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
603	} else {	1048	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1050	}
606		1051
607	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
608	}	1053	}
609		1054
…		…
611	if (ref $_[0]) {	1056	if (ref $_[0]) {
612	_object_attach @_;	1057	_object_attach @_;
613	} else {	1058	} else {
614	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
615	}	1060	}
		1061	_recalc_want;
616	};	1062	};
617		1063
618	# all those should be optimised	1064	# all those should be optimised
619	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1070	reattach ($obj);
625	} else {	1071	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
627	}	1073	}
		1074	_recalc_want;
628	};	1075	};
629		1076
630	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
632		1079
…		…
647	";	1094	";
648	die if $@;	1095	die if $@;
649	}	1096	}
650		1097
651	our $override;	1098	our $override;
652	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?
653		1100
654	sub override {	1101	sub override {
655	$override = 1;	1102	$override = 1;
656	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
657	}	1104	}
658		1105
659	sub do_invoke {	1106	sub do_invoke {
660	my $event = shift;	1107	my $event = shift;
661	my $callbacks = shift;	1108	my $callbacks = shift;
662		1109
663	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
664		1111
665	local $override;	1112	local $override;
666		1113
667	for (@$callbacks) {	1114	for (@$callbacks) {
668	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
669		1116
670	if ($@) {	1117	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1119	override;
674	}	1120	}
675		1121
676	return 1 if $override;	1122	return 1 if $override;
677	}	1123	}
678		1124
679	0	1125	0
680	}	1126	}
681		1127
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1129
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1131
686	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
687		1133
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1137
692	=back	1138	=back
693		1139
694	=cut	1140	=cut
695		1141
696	#############################################################################	1142	#############################################################################
697	# 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, $ob2
		1185	}
698		1186
699	sub reattach {	1187	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1189	my ($obj) = @_;
702		1190
		1191	# no longer needed after getting rid of delete_package?
703	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
704		1193
705	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
706		1195
707	@$registry = ();	1196	@$registry = ();
708		1197
…		…
713	for (@$attach) {	1202	for (@$attach) {
714	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
716	}	1205	}
717	} else {	1206	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1208	}
720	}	1209	}
721	}	1210	}
722		1211
723	cf::attachable->attach (	1212	cf::attachable->attach (
724	prio => -1000000,	1213	prio => -1000000,
725	on_instantiate => sub {	1214	on_instantiate => sub {
726	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
727		1216
728	$data = from_json $data;	1217	$data = decode_json $data;
729		1218
730	for (@$data) {	1219	for (@$data) {
731	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
732		1221
733	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1238	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
751		1240
752	sync_job {	1241	sync_job {
753	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
756		1247
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1255	aio_close $fh;
762		1256
763	if (@$objs) {	1257	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1266	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
771	}	1268	}
772	} else {	1269	} else {
773	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
774	}	1271	}
775		1272
776	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1277	} else {
778	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
779	}	1279	}
780	} else {	1280	} else {
781	aio_unlink $filename;	1281	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
783	}	1283	}
784	}	1284	};
785	}	1285	}
786		1286
787	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
789		1289
…		…
801	or return;	1301	or return;
802		1302
803	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
805	or return;	1305	or return;
		1306
806	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
807	}	1309	}
808		1310
		1311	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
811	return ($data, $av);	1316	($data, $av)
812	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
813		1324
814	#############################################################################	1325	#############################################################################
815	# command handling &c	1326	# command handling &c
816		1327
817	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1342	}
832		1343
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1345
835	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.
836		1351
837	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
838	called.	1353	called.
839		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
840	=cut	1366	=cut
841		1367
842	sub register_extcmd {	1368	sub register_extcmd {
843	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
844		1370
845	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
846	}	1372	}
847		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
848	cf::player->attach (	1382	cf::player->attach (
849	on_command => sub {	1383	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
851		1385
852	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
853	or return;	1387	or return;
854		1388
…		…
859	cf::override;	1393	cf::override;
860	},	1394	},
861	on_extcmd => sub {	1395	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
863		1397
864	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1399
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
872	} else {	1415	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1417	}
875		1418
876	cf::override;	1419	cf::override;
877	},	1420	},
878	);	1421	);
879		1422
		1423	# "readahead" all extensions
880	sub load_extension {	1424	sub cache_extensions {
881	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
882		1426
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1430	}
908	die $@;
909	}	1431	};
910		1432
911	push @EXTS, $pkg;	1433	$grp
912	}	1434	}
913		1435
914	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
915	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1443	next unless -r $path;
917	eval {	1444
918	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 $active;
		1507	}
919	1	1508	}
920	} or warn "$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	}
921	}	1519	};
922	}	1520	}
923		1521
924	#############################################################################	1522	#############################################################################
925		1523
		1524	=back
		1525
926	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
927		1527
928	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
929		1529
930	=cut	1530	=cut
931		1531
932	package cf::player;	1532	package cf::player;
933		1533
…		…
935		1535
936	=head3 cf::player	1536	=head3 cf::player
937		1537
938	=over 4	1538	=over 4
939		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
940	=item cf::player::find $login	1554	=item cf::player::find $login
941		1555
942	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
943		1557
944	=cut	1558	=cut
945		1559
946	sub playerdir($) {	1560	sub playerdir($) {
947	cf::localdir	1561	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1563	}
953		1564
954	sub path($) {	1565	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1567
957	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
958	}	1569	}
959		1570
960	sub find_active($) {	1571	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
965		1576
966	sub exists($) {	1577	sub exists($) {
967	my ($login) = @_;	1578	my ($login) = @_;
968		1579
969	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
971	}	1582	}
972		1583
973	sub find($) {	1584	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1586	my $login = $_[0];
976		1587
977	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
978		1589
979	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
983	}	1607	}
984	}	1608	}
985	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
986		1623
987	sub save($) {	1624	sub save($) {
988	my ($pl) = @_;	1625	my ($pl) = @_;
989		1626
990	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
996		1633
997	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1001	Coro::cede;	1643	cf::cede_to_tick;
1002	}	1644	}
1003		1645
1004	sub new($) {	1646	sub new($) {
1005	my ($login) = @_;	1647	my ($login) = @_;
1006		1648
…		…
1012	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1013		1655
1014	$self	1656	$self
1015	}	1657	}
1016		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
1017	=item $pl->quit_character	1669	=item $pl->quit_character
1018		1670
1019	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1021		1673
…		…
1025	my ($pl) = @_;	1677	my ($pl) = @_;
1026		1678
1027	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1028		1680
1029	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1030	$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
1031		1683
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1035	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1036		1692
1037	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1069		1725
1070	=cut	1726	=cut
1071		1727
1072	sub list_logins {	1728	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1730	or return [];
1075		1731
1076	my @logins;	1732	my @logins;
1077		1733
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1082		1744
1083	utf8::decode $login;	1745	utf8::decode $login;
1084	push @logins, $login;	1746	push @logins, $login;
1085	}	1747	}
1086		1748
1087	\@logins	1749	\@logins
1088	}	1750	}
1089		1751
1090	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1091		1755
1092	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1093	player. May block.	1757	player. May block.
1094		1758
1095	=cut	1759	=cut
…		…
1113	}	1777	}
1114		1778
1115	\@paths	1779	\@paths
1116	}	1780	}
1117		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1119		1787
1120	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1121		1789
1122	=cut	1790	=cut
1123		1791
1124	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1126		1794
1127	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1796	}
1131		1797
1132	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	}
1133		1840
1134	=back	1841	=back
1135
1136		1842
1137	=head3 cf::map	1843	=head3 cf::map
1138		1844
1139	=over 4	1845	=over 4
1140		1846
…		…
1152	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1154		1860
1155	sub generate_random_map {	1861	sub generate_random_map {
1156	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
1157	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1867	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1170	)	1870	)
1171	}	1871	}
1172		1872
1173	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1174		1874
…		…
1180		1880
1181	sub register {	1881	sub register {
1182	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1883	my $pkg = caller;
1184		1884
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1886
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1888	}
1190		1889
1191	# also paths starting with '/'	1890	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1892
1194	sub thawer_merge {	1893	sub thawer_merge {
1195	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1196		1895
1197	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1198	local $self->{path};	1897	local $self->{path};
1199	local $self->{load_path};	1898	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1899
1203	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1204	}	1901	}
1205		1902
1206	sub normalise {	1903	sub normalise {
1207	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1208		1905
1209	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1210		1907
1211	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1212		1909
1213	# map plan:	1910	# map plan:
1214	#	1911	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1927	$path = "$base/$path";
1231	}	1928	}
1232		1929
1233	for ($path) {	1930	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1237	}	1933	}
1238		1934
1239	$path	1935	$path
…		…
1253	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1254	return $self;	1950	return $self;
1255	}	1951	}
1256	}	1952	}
1257		1953
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1955	()
1260	}	1956	}
1261		1957
1262	sub init {	1958	sub init {
1263	my ($self) = @_;	1959	my ($self) = @_;
…		…
1278		1974
1279	# the original (read-only) location	1975	# the original (read-only) location
1280	sub load_path {	1976	sub load_path {
1281	my ($self) = @_;	1977	my ($self) = @_;
1282		1978
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1979	"$MAPDIR/$self->{path}.map"
1284	}	1980	}
1285		1981
1286	# the temporary/swap location	1982	# the temporary/swap location
1287	sub save_path {	1983	sub save_path {
1288	my ($self) = @_;	1984	my ($self) = @_;
1289		1985
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1987	"$TMPDIR/$path.map"
1292	}	1988	}
1293		1989
1294	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1295	sub uniq_path {	1991	sub uniq_path {
1296	my ($self) = @_;	1992	my ($self) = @_;
1297		1993
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1995	"$UNIQUEDIR/$path"
1300	}	1996	}
1301		1997
1302	# and all this just because we cannot iterate over	1998	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1999	my ($self) = @_;
1306		2000
1307	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1309	}	2004	}
1310		2005
1311	sub unlink_save {	2006	sub unlink_save {
1312	my ($self) = @_;	2007	my ($self) = @_;
1313		2008
…		…
1318		2013
1319	sub load_header_from($) {	2014	sub load_header_from($) {
1320	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1321		2016
1322	utf8::encode $path;	2017	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1328		2026
1329	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1330		2028
1331	1	2029	1
1332	}	2030	}
…		…
1371	$self->load_header_orig	2069	$self->load_header_orig
1372	or return;	2070	or return;
1373	$self->prepare_orig;	2071	$self->prepare_orig;
1374	}	2072	}
1375		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
		2077	$self->default_region (cf::region::find_by_path $self->{path})
		2078	unless $self->default_region;
		2079
1376	1	2080	1
1377	}	2081	}
1378		2082
1379	sub find;	2083	sub find;
1380	sub find {	2084	sub find {
1381	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1382		2086
		2087	cf::cede_to_tick;
		2088
1383	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1384		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2093
1387	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1390	or return;	2096	or return;
1391		2097
1392	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1393		2099
1394	$map->load_header	2100	$map->load_header
1395	or return;	2101	or return;
1396		2102
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1400	$map->reset;	2108	$map->reset;
1401	undef $guard;
1402	return find $path;	2109	return find $path;
1403	}	2110	}
1404		2111
1405	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1406	}	2113	}
1407	}	2114	}
1408		2115
1409	sub pre_load { }	2116	sub pre_load { }
1410	sub post_load { }	2117	#sub post_load { } # XS
1411		2118
1412	sub load {	2119	sub load {
1413	my ($self) = @_;	2120	my ($self) = @_;
1414		2121
1415	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1416		2123
1417	my $path = $self->{path};	2124	my $path = $self->{path};
		2125
		2126	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1419		2128
		2129	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2131
1422	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1423		2133
1424	$self->alloc;	2134	$self->alloc;
1425		2135
1426	$self->pre_load;	2136	$self->pre_load;
		2137	cf::cede_to_tick;
1427		2138
1428	$self->_load_objects ($self->{load_path}, 1)	2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
		2141	$self->_load_objects ($f)
1429	or return;	2142	or return;
1430		2143
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1432	if delete $self->{load_original};	2145	if delete $self->{load_original};
1433		2146
1434	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2148	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2151	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1439	}	2155	}
1440	}	2156	}
1441		2157
1442	Coro::cede;	2158	$f->resolve_delayed_derefs;
1443		2159
		2160	cf::cede_to_tick;
1444	# now do the right thing for maps	2161	# now do the right thing for maps
1445	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2164	unless $self->difficulty;
1455	Coro::cede;	2165	cf::cede_to_tick;
		2166
		2167	unless ($self->{deny_activate}) {
		2168	$self->decay_objects;
		2169	$self->fix_auto_apply;
		2170	$self->update_buttons;
		2171	cf::cede_to_tick;
1456	$self->activate;	2172	$self->activate;
		2173	}
		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
		2178	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2179	}
1458		2180
1459	$self->post_load;	2181	$self->post_load;
1460		2182
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2183	1
1462	}	2184	}
1463		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2189	sub customise_for {
1465	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1466		2191
1467	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2193	if $self->per_player;
1469		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1470	$self	2198	$self
1471	}	2199	}
1472		2200
1473	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2202	sub load_neighbours {
1475	my ($map) = @_;	2203	my ($map) = @_;
1476		2204
1477	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1478		2206
1479	for (0 .. 3) {	2207	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1481	or next;	2209	or next;
1482	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1483	or next;	2211	or next;
1484	$neigh->load;	2212	$neigh->load;
1485		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2218	}
1489		2219
1490	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1492	or next;	2223	or next;
1493	$neigh->load;	2224	$neigh->load;
1494	}	2225	}
1495	}	2226	}
1496		2227
1497	sub find_sync {	2228	sub find_sync {
1498	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1499		2230
1500	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1501	}	2235	}
1502		2236
1503	sub do_load_sync {	2237	sub do_load_sync {
1504	my ($map) = @_;	2238	my ($map) = @_;
1505		2239
1506	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1507	}	2244	}
1508		2245
1509	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1511		2248
1512	sub find_async {	2249	sub find_async {
1513	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1514		2251
1515	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1516		2253
1517	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2256	}
1520		2257
1521	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1522	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1523	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2265	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2266	$map->load if $v;
		2267	}
1528		2268
1529	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1530	}	2270	}
1531	}	2271	}
1532	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1533	};	2273	};
1534	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1535		2275
1536	()	2276	()
1537	}	2277	}
1538		2278
		2279	# common code, used by both ->save and ->swapout
1539	sub save {	2280	sub _save {
1540	my ($self) = @_;	2281	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2282
1544	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1545		2284
1546	return unless $self->dirty;	2285	return unless $self->dirty;
1547		2286
…		…
1553	return if $self->{deny_save};	2292	return if $self->{deny_save};
1554		2293
1555	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1556		2295
1557	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1559	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1560		2302
1561	if ($uniq) {	2303	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2306	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2308	}
1567	}	2309	}
1568		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1569	sub swap_out {	2319	sub swap_out {
1570	my ($self) = @_;	2320	my ($self) = @_;
1571		2321
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1577	return if $self->players;	2326	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1581	$self->clear;	2337	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2338	}
1584		2339
1585	sub reset_at {	2340	sub reset_at {
1586	my ($self) = @_;	2341	my ($self) = @_;
1587		2342
1588	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1591		2345
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2348
…		…
1605	my ($self) = @_;	2359	my ($self) = @_;
1606		2360
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2362
1609	return if $self->players;	2363	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2364
1612	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1613		2366
1614	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1615		2368
1616	# need to save uniques path	2369	# need to save uniques path
1617	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2374	if $uniq;
1622	}	2375	}
1623		2376
1624	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1625		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2381	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2382
1630	$self->unlink_save;	2383	$self->unlink_save;
1631	$self->destroy;	2384	$self->destroy;
1632	}	2385	}
1633		2386
1634	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1635		2388
1636	sub nuke {	2389	sub nuke {
1637	my ($self) = @_;	2390	my ($self) = @_;
1638		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1639	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1640		2396
1641	$self->unlink_save;	2397	$self->unlink_save;
1642		2398
1643	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2404
1649	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1650		2407
1651	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1652	}	2445	}
1653		2446
1654	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1655		2448
1656	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2450	instantiated unique items. May block.
1658		2451
1659	=cut	2452	=cut
1660		2453
1661	sub unique_maps() {	2454	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2455	[
1663	or return;	2456	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2457	utf8::decode $_;
1669	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2460	? ()
1672	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2463	]
1674
1675	\@paths
1676	}	2464	}
1677		2465
1678	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1679		2497
1680	=back	2498	=back
1681		2499
1682	=head3 cf::object	2500	=head3 cf::object
1683		2501
…		…
1687		2505
1688	=over 4	2506	=over 4
1689		2507
1690	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1691		2509
1692	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1693		2512
1694	=cut	2513	=cut
1695		2514
1696	sub inv_recursive_;	2515	sub inv_recursive_;
1697	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1700		2519
1701	sub inv_recursive {	2520	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1703	}	2522	}
1704		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1705	package cf;	2552	package cf;
1706		2553
1707	=back	2554	=back
1708		2555
1709	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1718		2565
1719	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1720		2581
1721	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2583	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1726		2587
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2589
1729	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1731	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1734	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1735	}	2615	}
1736		2616
1737	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1738		2618
1739	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1752		2632
1753	=item $player_object->enter_link	2633	=item $player_object->enter_link
1754		2634
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2636
1757	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1759		2641
1760	Will never block.	2642	Will never block.
1761		2643
1762	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1763		2645
…		…
1783	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2666	my ($self) = @_;
1785		2667
1786	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1787		2669
		2670	++$self->{_link_recursion};
		2671
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2673
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2675	if $self->map && $self->map->{path} ne "{link}";
1792		2676
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2678	}
1795		2679
1796	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
		2682
		2683	return unless $self->contr->active;
1798		2684
1799	my $link_pos = delete $self->{_link_pos};	2685	my $link_pos = delete $self->{_link_pos};
1800		2686
1801	unless ($map) {	2687	unless ($map) {
1802	# restore original map position	2688	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1815		2701
1816	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1819		2705
1820	$map->load;	2706	$map->load;
1821	$map->load_diag;	2707	$map->load_neighbours;
1822		2708
1823	return unless $self->contr->active;	2709	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2710
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1828	}	2713	# entering was successful
1829		2714	delete $self->{_link_recursion};
1830	cf::player->attach (	2715	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2716	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2717	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2718
1844	# try to abort aborted map switching on player login :)	2719	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2720
1862	=item $player_object->goto ($path, $x, $y)	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2722
		2723	Moves the player to the given map-path and coordinates by first freezing
		2724	her, loading and preparing them map, calling the provided $check callback
		2725	that has to return the map if sucecssful, and then unfreezes the player on
		2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
1864	=cut	2732	=cut
		2733
		2734	our $GOTOGEN;
1865		2735
1866	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
		2745	# do generation counting so two concurrent goto's will be executed in-order
		2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2747
1869	$self->enter_link;	2748	$self->enter_link;
1870		2749
1871	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1872	my $map = eval {	2772	my $map = eval {
1873	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
		2774
		2775	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2776	$map = $map->customise_for ($self);
		2777	$map = $check->($map, $x, $y, $self) if $check && $map;
		2778	} else {
		2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2780	}
		2781
1875	$map	2782	$map
		2783	};
		2784
		2785	if ($@) {
		2786	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2788	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2789
		2790	if ($gen == $self->{_goto_generation}) {
		2791	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
		2793	}
		2794
		2795	$done->($self) if $done;
1880	})->prio (1);	2796	})->prio (1);
1881	}	2797	}
1882		2798
1883	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1884		2800
…		…
1904	}	2820	}
1905		2821
1906	sub prepare_random_map {	2822	sub prepare_random_map {
1907	my ($exit) = @_;	2823	my ($exit) = @_;
1908		2824
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2827	# that depends on the exit object
1914		2828
1915	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2831	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
1922	}	2838	}
1923		2839
1924	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
1925		2841
1926	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
1929		2845
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2848	undef $fh;
1933	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
1934		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
1937	}	2857	}
1938	}	2858	}
1939		2859
1940	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
1942		2862
1943	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
1944		2864
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2865	$self->enter_link;
1955		2866
1956	(async {	2867	(async {
1957	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
1958	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
1959	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
1960		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
1961	1;	2891	1
1962	}) {	2892	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2897
1968	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2899	$self->leave_link;
1970	}	2900	}
1971	})->prio (1);	2901	})->prio (1);
1972	}	2902	}
1973		2903
…		…
1987		2917
1988	utf8::encode $text;	2918	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2920	}
1991		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
		3109	=item $client->ext_msg ($type, @msg)
		3110
		3111	Sends an ext event to the client.
		3112
		3113	=cut
		3114
		3115	sub cf::client::ext_msg($$@) {
		3116	my ($self, $type, @msg) = @_;
		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
		3121	push @msg, msgtype => "event_$type";
		3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
		3142	}
1992		3143
1993	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
1994		3145
1995	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3149
1999	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3151	become reliable at some point in the future.
2001		3152
2002	=cut	3153	=cut
2003		3154
2004	sub cf::client::query {	3155	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3164	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3166
2016	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2018	}	3171	}
2019		3172
2020	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
2021	on_reply => sub {	3179	on_reply => sub {
2022	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2023		3181
2024	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2025	# get handled first	3183	# get handled first
…		…
2037	} else {	3195	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3197	}
2040	}	3198	}
2041	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2042	);	3226	);
2043		3227
2044	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2045		3229
2046	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3246
2063	$coro	3247	$coro
2064	}	3248	}
2065		3249
2066	cf::client->attach (	3250	cf::client->attach (
2067	on_destroy => sub {	3251	on_client_destroy => sub {
2068	my ($ns) = @_;	3252	my ($ns) = @_;
2069		3253
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3255	},
2072	);	3256	);
…		…
2087	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2089		3273
2090	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2091		3275
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2093		3281
2094	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2095		3283
2096	=pod	3284	=pod
2097		3285
2098	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2099		3287
2100	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2101	cf::object::player player	3293	cf::object::player
2102	cf::player peaceful	3294	player
2103	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2104		3301
2105	=cut	3302	=cut
2106		3303
2107	for (	3304	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2112	) {	3311	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3314	for @funs;
2117	}	3315	}
2118		3316
…		…
2133		3331
2134	my $qcode = $code;	3332	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2137		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2138	local $_;	3339	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3340
2141	my $eval =	3341	my $eval =
2142	"do {\n"	3342	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3345	. $code
2146	. "\n}"	3346	. "\n}"
2147	;	3347	;
2148		3348
		3349	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2152		3358
2153	if ($@) {	3359	if ($@) {
2154	warn "$@";	3360	warn "$@",
2155	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2157	}	3363	}
2158		3364
2159	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2160	}	3366	}
2161		3367
…		…
2175	=cut	3381	=cut
2176		3382
2177	sub register_script_function {	3383	sub register_script_function {
2178	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2179		3385
2180	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2182	}	3388	}
2183		3389
2184	=back	3390	=back
2185		3391
2186	=cut	3392	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3393
2260	#############################################################################	3394	#############################################################################
2261	# the server's init and main functions	3395	# the server's init and main functions
2262		3396
2263	sub load_faces {	3397	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3398	my ($path) = @_;
2265		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2266	warn "loading faces from $path\n";	3406	trace "loading facedata from $path\n";
2267		3407
2268	my $faces;
2269	0 < aio_load $path, $faces	3408	0 < aio_load $path, my $facedata
2270	or die "$path: $!";	3409	or die "$path: $!";
2271		3410
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3411	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3412
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3413	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
		3425	{
		3426	my $faces = $facedata->{faceinfo};
		3427
2280	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3430
		3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3435
		3436	cf::cede_to_tick;
		3437	}
		3438
2287	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2289	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
		3443	or next;
		3444
		3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
		3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3448	} else {
		3449	error "smooth face '$info->{smooth}' not found for face '$face'";
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	{
		3457	my $anims = $facedata->{animinfo};
		3458
		3459	while (my ($anim, $info) = each %$anims) {
		3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3461	cf::cede_to_tick;
		3462	}
		3463
		3464	cf::anim::invalidate_all; # d'oh
		3465	}
		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
		3486	1
		3487	}
		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
		3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	load_resource_file "$MAPDIR/regions"
		3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
		3519	}
		3520
		3521	sub reload_facedata {
		3522	load_facedata "$DATADIR/facedata"
		3523	or die "unable to load facedata\n";
		3524	}
		3525
		3526	sub reload_archetypes {
		3527	load_resource_file "$DATADIR/archetypes"
		3528	or die "unable to load archetypes\n";
		3529	}
		3530
		3531	sub reload_treasures {
		3532	load_resource_file "$DATADIR/treasures"
		3533	or die "unable to load treasurelists\n";
		3534	}
		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
2290	or next;	3546	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
2300	}	3557	}
2301		3558
2302	sub reload_resources {	3559	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3560	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3561
		3562	reload_exp_table;
		3563	reload_materials;
2305	load_faces	3564	reload_facedata;
2306	or die "unable to load faces\n";#d#	3565	reload_sound;
2307	}	3566	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3567	reload_regions;
2311	}	3568	reload_treasures;
2312		3569
2313	sub cfg_load {	3570	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3571	}
2315	or return;
2316		3572
2317	local $/;	3573	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3574	trace "reloading config file...\n";
2319		3575
		3576	0 < aio_load "$CONFDIR/config", my $config
		3577	or die "$CONFDIR/config: $!";
		3578
		3579	utf8::decode $config;
		3580	*CFG = yaml_load $config;
		3581
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3583
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3586
2325	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2329	};	3591	};
2330	warn $@ if $@;	3592	warn $@ if $@;
2331	}	3593	}
2332	}	3594	}
2333		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2334	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2335	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3637	(async {
2339	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2341	};	3641	};
2342		3642
2343	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2344	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2345	load_extensions;	3666	load_extensions;
2346		3667
2347	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2349	}	3686	}
2350		3687
2351	#############################################################################	3688	#############################################################################
2352	# initialisation and cleanup	3689	# initialisation and cleanup
2353		3690
2354	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2355	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2364	},
2365	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2366	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2367	}	3787	}
2368		3788
2369	sub emergency_save() {	3789	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2371		3791
2372	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2373		3798
2374	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2375	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3810	$pl->save;
2383	}	3811	}
2384	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2385		3813
2386	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3819	$map->valid or next;
2390	$map->save;	3820	$map->save;
2391	}	3821	}
2392	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2393		3823
2394	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3852	};
2398		3853
2399	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2400	}	3855	}
2401		3856
2402	sub post_cleanup {	3857	sub post_cleanup {
2403	my ($make_core) = @_;	3858	my ($make_core) = @_;
2404		3859
		3860	IO::AIO::flush;
		3861
2405	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3863	if $make_core;
2407	}
2408		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
		3892	}
		3893
2409	sub reload() {	3894	sub do_reload_perl() {
2410	# can/must only be called in main	3895	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2412	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2413	return;	3898	return;
2414	}	3899	}
2415		3900
2416	warn "reloading...";	3901	return if $RELOAD++;
2417		3902
2418	warn "entering sync_job";	3903	my $t1 = AE::time;
2419		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2420	cf::sync_job {	3911	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3912	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3913
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3916	%EXT_CORO = ();
2449		3917
2450	warn "removing commands";	3918	trace "perl_reload: removing commands";
2451	%COMMAND = ();	3919	%COMMAND = ();
2452		3920
2453	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2455		3924
2456	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2459		3928
2460	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3930	eval {
2462	$cb->($pkg);	3931	$cb->($pkg);
2463	1	3932	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2465	}	3938	}
2466		3939
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3943
2475	warn "... unloading $k";	3944	trace "... unloading $k";
2476	delete $INC{$k};	3945	delete $INC{$k};
2477		3946
2478	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2480		3949
2481	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2483	}	3955	}
2484		3956
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3960
2492	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
		3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3964
2495	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3966	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2498		3968
2499	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2500		3970
2501	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2502	require cf;	3972	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2504		3974
2505	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	3976	cf::reload_config;
2507		3977
2508	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	3979	cf::load_extensions;
2510		3980
		3981	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2517		3989
2518	warn "loading reloadable resources";	3990	cf::_post_init 1;
2519	reload_resources;
2520		3991
2521	warn "leaving sync_job";	3992	trace "perl_reload: leaving sync_job";
2522		3993
2523	1	3994	1
2524	} or do {	3995	} or do {
2525	warn $@;	3996	error $@;
2526	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	3998	};
		3999
		4000	--$RELOAD;
		4001	}
		4002
		4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
		4005	};
		4006
		4007	our $RELOAD_WATCHER; # used only during reload
		4008
		4009	sub reload_perl() {
		4010	# doing reload synchronously and two reloads happen back-to-back,
		4011	# coro crashes during coro_state_free->destroy here.
		4012
		4013	$RELOAD_WATCHER ||= cf::async {
		4014	Coro::AIO::aio_wait cache_extensions;
		4015
		4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4017	do_reload_perl;
		4018	undef $RELOAD_WATCHER;
		4019	};
2528	};	4020	};
2529		4021	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4022
2535	register_command "reload" => sub {	4023	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2537		4025
2538	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
2540		4028	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4029	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4030	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4031	};
2553	}	4032	}
2554	};	4033	};
2555		4034
2556	unshift @INC, $LIBDIR;	4035	#############################################################################
2557		4036
2558	my $bug_warning = 0;	4037	my $bug_warning = 0;
2559		4038
2560	$TICK_WATCHER = Event->timer (	4039	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4040	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4041
2563	prio => 0,	4042	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4044
2566	cb => sub {	4045	my $signal = new Coro::Signal;
		4046	push @WAIT_FOR_TICK, $signal;
		4047	$signal->wait;
		4048	}
		4049
		4050	sub wait_for_tick_begin() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK_BEGIN, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub tick {
2567	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2570	return;	4062	return;
2571	}	4063	}
2572		4064
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4066
		4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4068
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4071	Coro::async_pool {
		4072	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4073	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4074	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4075	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4076	}
2599	);	4077
		4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4079	$sig->send;
		4080	}
		4081	while (my $sig = shift @WAIT_FOR_TICK) {
		4082	$sig->send;
		4083	}
		4084
		4085	$LOAD = ($NOW - $TICK_START) / $TICK;
		4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4087
		4088	if (0) {
		4089	if ($NEXT_TICK) {
		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
		4094	}
		4095	}
2600		4096
2601	{	4097	{
2602	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4099
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2612		4101	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4103
2628	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4111
2631	cf::sync_job {	4112	cf::sync_job {
2632	eval {	4113	eval {
2633	BDB::db_env_open	4114	BDB::db_env_open
2634	$DB_ENV,	4115	$DB_ENV,
2635	$BDB_ENV_DIR,	4116	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4119	0666;
2639		4120
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4122	};
2645		4123
2646	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4125	};
2648	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
2649	}	4137	}
2650		4138
2651	{	4139	{
		4140	# configure IO::AIO
		4141
2652	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4145	}
		4146
		4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
		4149
		4150	sub _log_backtrace {
		4151	my ($msg, @addr) = @_;
		4152
		4153	$msg =~ s/\n$//;
		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4158	# limit the # of concurrent backtraces
		4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
		4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
		4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
		4166	my @bt = fork_call {
		4167	@addr = map { sprintf "%x", $_ } @addr;
		4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4170	or die "addr2line: $!";
		4171
		4172	my @funcs;
		4173	my @res = <$fh>;
		4174	chomp for @res;
		4175	while (@res) {
		4176	my ($func, $line) = splice @res, 0, 2, ();
		4177	push @funcs, "[$func] $line";
		4178	}
		4179
		4180	@funcs
		4181	};
		4182
		4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4185	LOG llevInfo, "[ABT] $_\n" for @bt;
		4186	--$_log_backtrace;
		4187	};
		4188	} else {
		4189	LOG llevInfo, "[ABT] $msg\n";
		4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4191	}
		4192	}
		4193
		4194	# load additional modules
		4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
2665		4197
2666	END { cf::emergency_save }	4198	END { cf::emergency_save }
2667		4199
2668	1	4200	1
2669		4201

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