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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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) = @_;
1157	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1158	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
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}
1170	)
1171	}	1867	}
1172		1868
1173	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1174		1870
1175	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1180		1876
1181	sub register {	1877	sub register {
1182	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1879	my $pkg = caller;
1184		1880
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1882
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1884	}
1190		1885
1191	# also paths starting with '/'	1886	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1888
1194	sub thawer_merge {	1889	sub thawer_merge {
1195	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1196		1891
1197	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1198	local $self->{path};	1893	local $self->{path};
1199	local $self->{load_path};	1894	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1895
1203	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1204	}	1897	}
1205		1898
1206	sub normalise {	1899	sub normalise {
1207	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1208		1901
1209	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1210		1903
1211	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1212		1905
1213	# map plan:	1906	# map plan:
1214	#	1907	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1923	$path = "$base/$path";
1231	}	1924	}
1232		1925
1233	for ($path) {	1926	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1237	}	1929	}
1238		1930
1239	$path	1931	$path
…		…
1253	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1254	return $self;	1946	return $self;
1255	}	1947	}
1256	}	1948	}
1257		1949
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1951	()
1260	}	1952	}
1261		1953
1262	sub init {	1954	sub init {
1263	my ($self) = @_;	1955	my ($self) = @_;
…		…
1278		1970
1279	# the original (read-only) location	1971	# the original (read-only) location
1280	sub load_path {	1972	sub load_path {
1281	my ($self) = @_;	1973	my ($self) = @_;
1282		1974
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1284	}	1976	}
1285		1977
1286	# the temporary/swap location	1978	# the temporary/swap location
1287	sub save_path {	1979	sub save_path {
1288	my ($self) = @_;	1980	my ($self) = @_;
1289		1981
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1292	}	1984	}
1293		1985
1294	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1295	sub uniq_path {	1987	sub uniq_path {
1296	my ($self) = @_;	1988	my ($self) = @_;
1297		1989
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1300	}	1992	}
1301		1993
1302	# and all this just because we cannot iterate over	1994	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1995	my ($self) = @_;
1306		1996
1307	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1309	}	2000	}
1310		2001
1311	sub unlink_save {	2002	sub unlink_save {
1312	my ($self) = @_;	2003	my ($self) = @_;
1313		2004
…		…
1318		2009
1319	sub load_header_from($) {	2010	sub load_header_from($) {
1320	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1321		2012
1322	utf8::encode $path;	2013	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1328		2022
1329	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1330		2024
1331	1	2025	1
1332	}	2026	}
…		…
1371	$self->load_header_orig	2065	$self->load_header_orig
1372	or return;	2066	or return;
1373	$self->prepare_orig;	2067	$self->prepare_orig;
1374	}	2068	}
1375		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
1376	1	2076	1
1377	}	2077	}
1378		2078
1379	sub find;	2079	sub find;
1380	sub find {	2080	sub find {
1381	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1382		2082
		2083	cf::cede_to_tick;
		2084
1383	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1384		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2089
1387	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1390	or return;	2092	or return;
1391		2093
1392	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1393		2095
1394	$map->load_header	2096	$map->load_header
1395	or return;	2097	or return;
1396		2098
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1400	$map->reset;	2104	$map->reset;
1401	undef $guard;
1402	return find $path;	2105	return find $path;
1403	}	2106	}
1404		2107
1405	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1406	}	2109	}
1407	}	2110	}
1408		2111
1409	sub pre_load { }	2112	sub pre_load { }
1410	sub post_load { }	2113	#sub post_load { } # XS
1411		2114
1412	sub load {	2115	sub load {
1413	my ($self) = @_;	2116	my ($self) = @_;
1414		2117
1415	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1416		2119
1417	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1419		2124
		2125	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2127
1422	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1423		2129
1424	$self->alloc;	2130	$self->alloc;
1425		2131
1426	$self->pre_load;	2132	$self->pre_load;
		2133	cf::cede_to_tick;
1427		2134
1428	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1429	or return;	2138	or return;
1430		2139
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1432	if delete $self->{load_original};	2141	if delete $self->{load_original};
1433		2142
1434	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2144	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2147	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1439	}	2151	}
1440	}	2152	}
1441		2153
1442	Coro::cede;	2154	$f->resolve_delayed_derefs;
1443		2155
		2156	cf::cede_to_tick;
1444	# now do the right thing for maps	2157	# now do the right thing for maps
1445	$self->link_multipart_objects;	2158	$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)	2159	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2160	unless $self->difficulty;
1455	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1456	$self->activate;	2168	$self->activate;
		2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2175	}
1458		2176
1459	$self->post_load;	2177	$self->post_load;
1460		2178
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1462	}	2180	}
1463		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2185	sub customise_for {
1465	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1466		2187
1467	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2189	if $self->per_player;
1469		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1470	$self	2194	$self
1471	}	2195	}
1472		2196
1473	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2198	sub load_neighbours {
1475	my ($map) = @_;	2199	my ($map) = @_;
1476		2200
1477	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1478		2202
1479	for (0 .. 3) {	2203	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1481	or next;	2205	or next;
1482	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1483	or next;	2207	or next;
1484	$neigh->load;	2208	$neigh->load;
1485		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2214	}
1489		2215
1490	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1492	or next;	2219	or next;
1493	$neigh->load;	2220	$neigh->load;
1494	}	2221	}
1495	}	2222	}
1496		2223
1497	sub find_sync {	2224	sub find_sync {
1498	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1499		2226
1500	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1501	}	2231	}
1502		2232
1503	sub do_load_sync {	2233	sub do_load_sync {
1504	my ($map) = @_;	2234	my ($map) = @_;
1505		2235
1506	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1507	}	2240	}
1508		2241
1509	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1511		2244
1512	sub find_async {	2245	sub find_async {
1513	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1514		2247
1515	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1516		2249
1517	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2252	}
1520		2253
1521	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1522	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1523	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2261	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2262	$map->load if $v;
		2263	}
1528		2264
1529	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1530	}	2266	}
1531	}	2267	}
1532	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1533	};	2269	};
1534	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1535		2271
1536	()	2272	()
1537	}	2273	}
1538		2274
		2275	# common code, used by both ->save and ->swapout
1539	sub save {	2276	sub _save {
1540	my ($self) = @_;	2277	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2278
1544	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1545		2280
1546	return unless $self->dirty;	2281	return unless $self->dirty;
1547		2282
…		…
1553	return if $self->{deny_save};	2288	return if $self->{deny_save};
1554		2289
1555	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1556		2291
1557	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1559	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1560		2298
1561	if ($uniq) {	2299	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2302	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2304	}
1567	}	2305	}
1568		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1569	sub swap_out {	2315	sub swap_out {
1570	my ($self) = @_;	2316	my ($self) = @_;
1571		2317
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1577	return if $self->players;	2322	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1581	$self->clear;	2333	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2334	}
1584		2335
1585	sub reset_at {	2336	sub reset_at {
1586	my ($self) = @_;	2337	my ($self) = @_;
1587		2338
1588	# TODO: safety, remove and allow resettable per-player maps	2339	# 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};	2340	return 1e99 if $self->{deny_reset};
1591		2341
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2344
…		…
1605	my ($self) = @_;	2355	my ($self) = @_;
1606		2356
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2358
1609	return if $self->players;	2359	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2360
1612	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1613		2362
1614	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1615		2364
1616	# need to save uniques path	2365	# need to save uniques path
1617	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2370	if $uniq;
1622	}	2371	}
1623		2372
1624	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1625		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2377	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2378
1630	$self->unlink_save;	2379	$self->unlink_save;
1631	$self->destroy;	2380	$self->destroy;
1632	}	2381	}
1633		2382
1634	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1635		2384
1636	sub nuke {	2385	sub nuke {
1637	my ($self) = @_;	2386	my ($self) = @_;
1638		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1639	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1640		2392
1641	$self->unlink_save;	2393	$self->unlink_save;
1642		2394
1643	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2400
1649	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1650		2403
1651	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1652	}	2441	}
1653		2442
1654	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1655		2444
1656	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2446	instantiated unique items. May block.
1658		2447
1659	=cut	2448	=cut
1660		2449
1661	sub unique_maps() {	2450	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1663	or return;	2452	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2453	utf8::decode $_;
1669	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2456	? ()
1672	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2459	]
1674
1675	\@paths
1676	}	2460	}
1677		2461
1678	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1679		2493
1680	=back	2494	=back
1681		2495
1682	=head3 cf::object	2496	=head3 cf::object
1683		2497
…		…
1687		2501
1688	=over 4	2502	=over 4
1689		2503
1690	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1691		2505
1692	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1693		2508
1694	=cut	2509	=cut
1695		2510
1696	sub inv_recursive_;	2511	sub inv_recursive_;
1697	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1700		2515
1701	sub inv_recursive {	2516	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1703	}	2518	}
1704		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1705	package cf;	2548	package cf;
1706		2549
1707	=back	2550	=back
1708		2551
1709	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1718		2561
1719	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1720		2577
1721	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2579	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1726		2583
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2585
1729	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1731	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1734	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1735	}	2611	}
1736		2612
1737	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1738		2614
1739	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1752		2628
1753	=item $player_object->enter_link	2629	=item $player_object->enter_link
1754		2630
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2632
1757	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1759		2637
1760	Will never block.	2638	Will never block.
1761		2639
1762	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1763		2641
…		…
1783	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2662	my ($self) = @_;
1785		2663
1786	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1787		2665
		2666	++$self->{_link_recursion};
		2667
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2669
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1792		2672
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2674	}
1795		2675
1796	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1798		2680
1799	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1800		2682
1801	unless ($map) {	2683	unless ($map) {
1802	# restore original map position	2684	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1815		2697
1816	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1819		2701
1820	$map->load;	2702	$map->load;
1821	$map->load_diag;	2703	$map->load_neighbours;
1822		2704
1823	return unless $self->contr->active;	2705	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2706
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1828	}	2709	# entering was successful
1829		2710	delete $self->{_link_recursion};
1830	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2712	$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	},	2713	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2714
1844	# try to abort aborted map switching on player login :)	2715	}
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		2716
1862	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1864	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1865		2731
1866	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2743
1869	$self->enter_link;	2744	$self->enter_link;
1870		2745
1871	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1872	my $map = eval {	2768	my $map = eval {
1873	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1875	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2784	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1880	})->prio (1);	2792	})->prio (1);
1881	}	2793	}
1882		2794
1883	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1884		2796
…		…
1904	}	2816	}
1905		2817
1906	sub prepare_random_map {	2818	sub prepare_random_map {
1907	my ($exit) = @_;	2819	my ($exit) = @_;
1908		2820
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2823	# that depends on the exit object
1914		2824
1915	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2827	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1922	}	2834	}
1923		2835
1924	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1925		2837
1926	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1929		2841
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2844	undef $fh;
1933	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1934		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1937	}	2853	}
1938	}	2854	}
1939		2855
1940	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1942		2858
1943	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1944		2860
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;	2861	$self->enter_link;
1955		2862
1956	(async {	2863	(async {
1957	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1958	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
1959	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
1960		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1961	1;	2887	1
1962	}) {	2888	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2893
1968	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2895	$self->leave_link;
1970	}	2896	}
1971	})->prio (1);	2897	})->prio (1);
1972	}	2898	}
1973		2899
…		…
1987		2913
1988	utf8::encode $text;	2914	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2916	}
1991		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1992		3139
1993	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1994		3141
1995	Queues a query to the client, calling the given callback with	3142	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>,	3143	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>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3145
1999	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3147	become reliable at some point in the future.
2001		3148
2002	=cut	3149	=cut
2003		3150
2004	sub cf::client::query {	3151	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3160	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3162
2016	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2018	}	3167	}
2019		3168
2020	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2021	on_reply => sub {	3175	on_reply => sub {
2022	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2023		3177
2024	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2025	# get handled first	3179	# get handled first
…		…
2037	} else {	3191	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3193	}
2040	}	3194	}
2041	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2042	);	3222	);
2043		3223
2044	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2045		3225
2046	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3242
2063	$coro	3243	$coro
2064	}	3244	}
2065		3245
2066	cf::client->attach (	3246	cf::client->attach (
2067	on_destroy => sub {	3247	on_client_destroy => sub {
2068	my ($ns) = @_;	3248	my ($ns) = @_;
2069		3249
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3251	},
2072	);	3252	);
…		…
2087	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2089		3269
2090	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2091		3271
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2093		3277
2094	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2095		3279
2096	=pod	3280	=pod
2097		3281
2098	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2099		3283
2100	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2101	cf::object::player player	3289	cf::object::player
2102	cf::player peaceful	3290	player
2103	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2104		3297
2105	=cut	3298	=cut
2106		3299
2107	for (	3300	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2112	) {	3307	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3310	for @funs;
2117	}	3311	}
2118		3312
…		…
2133		3327
2134	my $qcode = $code;	3328	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2137		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2138	local $_;	3335	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3336
2141	my $eval =	3337	my $eval =
2142	"do {\n"	3338	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3341	. $code
2146	. "\n}"	3342	. "\n}"
2147	;	3343	;
2148		3344
		3345	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2152		3354
2153	if ($@) {	3355	if ($@) {
2154	warn "$@";	3356	warn "$@",
2155	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2157	}	3359	}
2158		3360
2159	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2160	}	3362	}
2161		3363
…		…
2175	=cut	3377	=cut
2176		3378
2177	sub register_script_function {	3379	sub register_script_function {
2178	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2179		3381
2180	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2182	}	3384	}
2183		3385
2184	=back	3386	=back
2185		3387
2186	=cut	3388	=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		3389
2260	#############################################################################	3390	#############################################################################
2261	# the server's init and main functions	3391	# the server's init and main functions
2262		3392
2263	sub load_faces {	3393	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3394	my ($path) = @_;
2265		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2266	warn "loading faces from $path\n";	3402	trace "loading facedata from $path\n";
2267		3403
2268	my $faces;
2269	0 < aio_load $path, $faces	3404	0 < aio_load $path, my $facedata
2270	or die "$path: $!";	3405	or die "$path: $!";
2271		3406
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3407	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3408
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3409	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
		3421	{
		3422	my $faces = $facedata->{faceinfo};
		3423
2280	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3426
		3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3431
		3432	cf::cede_to_tick;
		3433	}
		3434
2287	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3436	next unless $info->{smooth};
		3437
2289	my $idx = cf::face::find $face	3438	my $idx = cf::face::find $face
		3439	or next;
		3440
		3441	if (my $smooth = cf::face::find $info->{smooth}) {
		3442	cf::face::set_smooth $idx, $smooth;
		3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3444	} else {
		3445	error "smooth face '$info->{smooth}' not found for face '$face'";
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	{
		3453	my $anims = $facedata->{animinfo};
		3454
		3455	while (my ($anim, $info) = each %$anims) {
		3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3457	cf::cede_to_tick;
		3458	}
		3459
		3460	cf::anim::invalidate_all; # d'oh
		3461	}
		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
		3482	1
		3483	}
		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
		3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
		3508	load_resource_file "$MAPDIR/regions"
		3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
		3515	}
		3516
		3517	sub reload_facedata {
		3518	load_facedata "$DATADIR/facedata"
		3519	or die "unable to load facedata\n";
		3520	}
		3521
		3522	sub reload_archetypes {
		3523	load_resource_file "$DATADIR/archetypes"
		3524	or die "unable to load archetypes\n";
		3525	}
		3526
		3527	sub reload_treasures {
		3528	load_resource_file "$DATADIR/treasures"
		3529	or die "unable to load treasurelists\n";
		3530	}
		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
2290	or next;	3542	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		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
2300	}	3553	}
2301		3554
2302	sub reload_resources {	3555	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3556	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3557
		3558	reload_exp_table;
		3559	reload_materials;
2305	load_faces	3560	reload_facedata;
2306	or die "unable to load faces\n";#d#	3561	reload_sound;
2307	}	3562	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3563	reload_regions;
2311	}	3564	reload_treasures;
2312		3565
2313	sub cfg_load {	3566	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3567	}
2315	or return;
2316		3568
2317	local $/;	3569	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3570	trace "reloading config file...\n";
2319		3571
		3572	0 < aio_load "$CONFDIR/config", my $config
		3573	or die "$CONFDIR/config: $!";
		3574
		3575	utf8::decode $config;
		3576	*CFG = yaml_load $config;
		3577
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3579
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$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};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3582
2325	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2329	};	3587	};
2330	warn $@ if $@;	3588	warn $@ if $@;
2331	}	3589	}
2332	}	3590	}
2333		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2334	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2335	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3633	(async {
2339	Event::one_event;	3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3636	})->prio (Coro::PRIO_MAX);
2341	};	3637	};
2342		3638
2343	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
		3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
2344	db_init;	3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2345	load_extensions;	3662	load_extensions;
2346		3663
2347	$TICK_WATCHER->start;	3664	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2349	}	3682	}
2350		3683
2351	#############################################################################	3684	#############################################################################
2352	# initialisation and cleanup	3685	# initialisation and cleanup
2353		3686
2354	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2355	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3691	$SIGWATCHER{$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";	3692	cf::cleanup "SIG$signal";
2364	},
2365	);	3693	};
		3694	}
		3695	}
		3696
		3697	sub write_runtime_sync {
		3698	my $t0 = AE::time;
		3699
		3700	# first touch the runtime file to show we are still running:
		3701	# the fsync below can take a very very long time.
		3702
		3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3704
		3705	my $guard = cf::lock_acquire "write_runtime";
		3706
		3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3708	or return;
		3709
		3710	my $value = $cf::RUNTIME + 90 + 10;
		3711	# 10 is the runtime save interval, for a monotonic clock
		3712	# 60 allows for the watchdog to kill the server.
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	# touch it again to show we are up-to-date
		3722	aio_utime $fh, undef, undef;
		3723
		3724	close $fh
		3725	or return;
		3726
		3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3728	and return;
		3729
		3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3731
2366	}	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2367	}	3783	}
2368		3784
2369	sub emergency_save() {	3785	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2371		3787
2372	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2373		3794
2374	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2375	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3806	$pl->save;
2383	}	3807	}
2384	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2385		3809
2386	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3815	$map->valid or next;
2390	$map->save;	3816	$map->save;
2391	}	3817	}
2392	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
2393		3819
2394	warn "begin emergency database checkpoint\n";	3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3823	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3848	};
2398		3849
2399	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2400	}	3851	}
2401		3852
2402	sub post_cleanup {	3853	sub post_cleanup {
2403	my ($make_core) = @_;	3854	my ($make_core) = @_;
2404		3855
		3856	IO::AIO::flush;
		3857
2405	warn Carp::longmess "post_cleanup backtrace"	3858	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3859	if $make_core;
2407	}
2408		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
		3888	}
		3889
2409	sub reload() {	3890	sub do_reload_perl() {
2410	# can/must only be called in main	3891	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2412	warn "can only reload from main coroutine";	3893	error "can only reload from main coroutine";
2413	return;	3894	return;
2414	}	3895	}
2415		3896
2416	warn "reloading...";	3897	return if $RELOAD++;
2417		3898
2418	warn "entering sync_job";	3899	my $t1 = AE::time;
2419		3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
2420	cf::sync_job {	3907	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3908	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3909
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";	3910	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3912	%EXT_CORO = ();
2449		3913
2450	warn "removing commands";	3914	trace "perl_reload: removing commands";
2451	%COMMAND = ();	3915	%COMMAND = ();
2452		3916
2453	warn "removing ext commands";	3917	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	3918	%EXTCMD = ();
		3919	%EXTICMD = ();
2455		3920
2456	warn "unloading/nuking all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2459		3924
2460	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3926	eval {
2462	$cb->($pkg);	3927	$cb->($pkg);
2463	1	3928	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2465	}	3934	}
2466		3935
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3939
2475	warn "... unloading $k";	3940	trace "... unloading $k";
2476	delete $INC{$k};	3941	delete $INC{$k};
2477		3942
2478	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2480		3945
2481	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2483	}	3951	}
2484		3952
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3956
2492	warn "unloading cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
		3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3960
2495	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3962	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2498		3964
2499	warn "unload completed, starting to reload now";	3965	info "perl_reload: unload completed, starting to reload now";
2500		3966
2501	warn "reloading cf.pm";	3967	trace "perl_reload: reloading cf.pm";
2502	require cf;	3968	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2504		3970
2505	warn "loading config and database again";	3971	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	3972	cf::reload_config;
2507		3973
2508	warn "loading extensions";	3974	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	3975	cf::load_extensions;
2510		3976
		3977	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3979	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3982	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3983	reattach $_ for values %PLAYER;
		3984	}
2517		3985
2518	warn "loading reloadable resources";	3986	cf::_post_init 1;
2519	reload_resources;
2520		3987
2521	warn "leaving sync_job";	3988	trace "perl_reload: leaving sync_job";
2522		3989
2523	1	3990	1
2524	} or do {	3991	} or do {
2525	warn $@;	3992	error $@;
2526	warn "error while reloading, exiting.";	3993	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	3994	};
		3995
		3996	--$RELOAD;
		3997	}
		3998
		3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
		4001	};
		4002
		4003	our $RELOAD_WATCHER; # used only during reload
		4004
		4005	sub reload_perl() {
		4006	# doing reload synchronously and two reloads happen back-to-back,
		4007	# coro crashes during coro_state_free->destroy here.
		4008
		4009	$RELOAD_WATCHER ||= cf::async {
		4010	Coro::AIO::aio_wait cache_extensions;
		4011
		4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4013	do_reload_perl;
		4014	undef $RELOAD_WATCHER;
		4015	};
2528	};	4016	};
2529		4017	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4018
2535	register_command "reload" => sub {	4019	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
2537		4021
2538	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4023	$who->message ("reloading server.");
2540		4024	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4025	$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;	4026	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4027	};
2553	}	4028	}
2554	};	4029	};
2555		4030
2556	unshift @INC, $LIBDIR;	4031	#############################################################################
2557		4032
2558	my $bug_warning = 0;	4033	my $bug_warning = 0;
2559		4034
2560	$TICK_WATCHER = Event->timer (	4035	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4036	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4037
2563	prio => 0,	4038	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4040
2566	cb => sub {	4041	my $signal = new Coro::Signal;
		4042	push @WAIT_FOR_TICK, $signal;
		4043	$signal->wait;
		4044	}
		4045
		4046	sub wait_for_tick_begin() {
		4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4048
		4049	my $signal = new Coro::Signal;
		4050	push @WAIT_FOR_TICK_BEGIN, $signal;
		4051	$signal->wait;
		4052	}
		4053
		4054	sub tick {
2567	if ($Coro::current != $Coro::main) {	4055	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4057	unless ++$bug_warning > 10;
2570	return;	4058	return;
2571	}	4059	}
2572		4060
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4062
		4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4064
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4067	Coro::async_pool {
		4068	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4069	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4070	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4071	};
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	},	4072	}
2599	);	4073
		4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4075	$sig->send;
		4076	}
		4077	while (my $sig = shift @WAIT_FOR_TICK) {
		4078	$sig->send;
		4079	}
		4080
		4081	$LOAD = ($NOW - $TICK_START) / $TICK;
		4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4083
		4084	if (0) {
		4085	if ($NEXT_TICK) {
		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
		4090	}
		4091	}
2600		4092
2601	{	4093	{
2602	BDB::max_poll_time $TICK * 0.1;	4094	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4095
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;	4096	BDB::min_parallel 16;
2612		4097	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4098	$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	$! = $status;
2624	},
2625	)
2626	};
2627		4099
2628	unless ($DB_ENV) {	4100	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4107
2631	cf::sync_job {	4108	cf::sync_job {
2632	eval {	4109	eval {
2633	BDB::db_env_open	4110	BDB::db_env_open
2634	$DB_ENV,	4111	$DB_ENV,
2635	$BDB_ENV_DIR,	4112	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4115	0666;
2639		4116
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4117	cf::cleanup "db_env_open($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	};	4118	};
2645		4119
2646	cf::cleanup "db_env_open(db): $@" if $@;	4120	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4121	};
2648	}	4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
2649	}	4133	}
2650		4134
2651	{	4135	{
		4136	# configure IO::AIO
		4137
2652	IO::AIO::min_parallel 8;	4138	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4139	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4140	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	}	4141	}
		4142
		4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
		4145
		4146	sub _log_backtrace {
		4147	my ($msg, @addr) = @_;
		4148
		4149	$msg =~ s/\n$//;
		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4154	# limit the # of concurrent backtraces
		4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
		4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
		4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
		4162	my @bt = fork_call {
		4163	@addr = map { sprintf "%x", $_ } @addr;
		4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4166	or die "addr2line: $!";
		4167
		4168	my @funcs;
		4169	my @res = <$fh>;
		4170	chomp for @res;
		4171	while (@res) {
		4172	my ($func, $line) = splice @res, 0, 2, ();
		4173	push @funcs, "[$func] $line";
		4174	}
		4175
		4176	@funcs
		4177	};
		4178
		4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4181	LOG llevInfo, "[ABT] $_\n" for @bt;
		4182	--$_log_backtrace;
		4183	};
		4184	} else {
		4185	LOG llevInfo, "[ABT] $msg\n";
		4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4187	}
		4188	}
		4189
		4190	# load additional modules
		4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
2665		4193
2666	END { cf::emergency_save }	4194	END { cf::emergency_save }
2667		4195
2668	1	4196	1
2669		4197

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