ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		140
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REALLY_UNLOOP; # never set to true, please :)
		153
87	binmode STDOUT;	154	binmode STDOUT;
88	binmode STDERR;	155	binmode STDERR;
89		156
90	# read virtual server time, if available	157	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
95	}	162	}
96		163
97	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	165
99	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		168
104	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
105		170
106	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::"} };
107		187
108	#############################################################################	188	#############################################################################
109		189
110	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
111		191
…		…
118	=item $cf::RUNTIME	198	=item $cf::RUNTIME
119		199
120	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
121	every server tick.	201	every server tick.
122		202
123	=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
124		206
125	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		211
128	=item $cf::NOW	212	=item $cf::NOW
129		213
130	The time of the last (current) server tick.	214	The time of the last (current) server tick.
131		215
132	=item $cf::TICK	216	=item $cf::TICK
133		217
134	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	230	=item %cf::CFG
137		231
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	233	from wherever your confdir points to.
140		234
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		236
143	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
144	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 process
145	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.
146	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
147		252
148	=back	253	=back
149		254
150	=cut	255	=cut
151		256
152	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
153	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
154	my $msg = join "", @_;	264	my $msg = join "", @_;
155	utf8::encode $msg;
156		265
157	$msg .= "\n"	266	$msg .= "\n"
158	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
159		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
160	LOG llevError, $msg;	271	LOG llevWarn, $msg;
161	};	272	};
162	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
163		287
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		295
171	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	297	# within the Safe compartment.
173	for my $pkg (qw(	298	for my $pkg (qw(
174	cf::global cf::attachable	299	cf::global cf::attachable
175	cf::object cf::object::player	300	cf::object cf::object::player
176	cf::client cf::player	301	cf::client cf::player
177	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
178	cf::map cf::party cf::region	304	cf::party cf::region
179	)) {	305	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	307	}
183		308
184	$Event::DIED = sub {	309	$EV::DIED = sub {
185	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
186	};	311	};
		312
		313	#############################################################################
187		314
188	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
189		316
190	=over 4	317	=over 4
191		318
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	338	$d
212	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
213	}	340	}
214		341
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
218		343
219	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
220		345
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
225	=item cf::lock_wait $string	371	=item cf::lock_wait $string
226		372
227	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
228		374
229	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
230		376
231	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
234	returned.	380	returned.
235		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
236	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
238		387
239	=cut	388	=item $locked = cf::lock_active $string
240		389
241	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
242		395
243	sub lock_wait($) {	396	sub lock_wait($) {
244	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	398	}
252		399
253	sub lock_acquire($) {	400	sub lock_acquire($) {
254	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
255		403
256	# wait, to be sure we are not locked	404	sub lock_active($) {
257	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	406	}
266		407
267	sub freeze_mainloop {	408	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
269		410
270	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
272	};	478	}
273	$TICK_WATCHER->stop;	479	};
274	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
275	}	494	}
276		495
277	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
278		497
279	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		503
285	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
286		505
287	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
288		507
289	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
292		512
293	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
296	fast or be very important.	516	fast or be very important.
…		…
298	=cut	518	=cut
299		519
300	sub sync_job(&) {	520	sub sync_job(&) {
301	my ($job) = @_;	521	my ($job) = @_;
302		522
303	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
304	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
306		528
307	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	530
309	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
310		532
311	my $busy = 1;	533	my $busy = 1;
312	my @res;	534	my @res;
313		535
314	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	538	@res = eval { $job->() };
316	warn $@ if $@;	539	error $@ if $@;
317	undef $busy;	540	undef $busy;
318	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
319		542
320	while ($busy) {	543	while ($busy) {
321	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
322	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
323		554
324	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
325	} else {	556	} else {
326	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
327		558
…		…
347	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
348		579
349	$coro	580	$coro
350	}	581	}
351		582
352	sub write_runtime {	583	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		584
355	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
356		589
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
358	or return;
359		591
360	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		594
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
365	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
366		598
367	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	600	reset_signals;
369	and return;	601	&$cb
		602	}, @args;
370		603
371	close $fh	604	wantarray ? @res : $res[-1]
372	or return;	605	}
373		606
374	aio_rename "$runtime~", $runtime	607	sub objinfo {
375	and return;
376
377	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
378	}	772	}
379		773
380	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
381		775
382	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
383		777
384	=cut	778	=cut
385		779
386	sub datalog($@) {	780	sub datalog($@) {
387	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	783	}
390		784
391	=back	785	=back
392		786
393	=cut	787	=cut
394		788
395	#############################################################################	789	#############################################################################
396		790
397	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
398		792
399	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
402		796
403	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	799	Deliantra).
406		800
407	=over 4	801	=over 4
408		802
409	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
410		804
…		…
454	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
455		849
456	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
458		852
459	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
461		855
462	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
463		857
464	=over 4	858	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
574		968
575	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		973
580	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	975	my $pkg = shift @arg;
582		976
583	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
588		982
589	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		985
592	} elsif (ref $type) {	986	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
594		988
595	} else {	989	} else {
596	shift @arg;	990	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
598	}	992	}
599	}	993	}
600	}	994	}
601		995
602	sub _object_attach {	996	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
613	}	1007	}
614		1008
615	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
616	} else {	1010	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1012	}
619		1013
620	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
621	}	1015	}
622		1016
…		…
624	if (ref $_[0]) {	1018	if (ref $_[0]) {
625	_object_attach @_;	1019	_object_attach @_;
626	} else {	1020	} else {
627	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
628	}	1022	}
		1023	_recalc_want;
629	};	1024	};
630		1025
631	# all those should be optimised	1026	# all those should be optimised
632	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1032	reattach ($obj);
638	} else {	1033	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
640	}	1035	}
		1036	_recalc_want;
641	};	1037	};
642		1038
643	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
645		1041
…		…
660	";	1056	";
661	die if $@;	1057	die if $@;
662	}	1058	}
663		1059
664	our $override;	1060	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1062
667	sub override {	1063	sub override {
668	$override = 1;	1064	$override = 1;
669	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
670	}	1066	}
671		1067
672	sub do_invoke {	1068	sub do_invoke {
673	my $event = shift;	1069	my $event = shift;
674	my $callbacks = shift;	1070	my $callbacks = shift;
675		1071
676	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
677		1073
678	local $override;	1074	local $override;
679		1075
680	for (@$callbacks) {	1076	for (@$callbacks) {
681	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
682		1078
683	if ($@) {	1079	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1081	override;
687	}	1082	}
688		1083
689	return 1 if $override;	1084	return 1 if $override;
690	}	1085	}
691		1086
692	0	1087	0
693	}	1088	}
694		1089
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1093
699	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
700		1095
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1099
705	=back	1100	=back
706		1101
707	=cut	1102	=cut
708		1103
709	#############################################################################	1104	#############################################################################
710	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
711		1148
712	sub reattach {	1149	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1151	my ($obj) = @_;
715		1152
		1153	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1155
718	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
719		1157
720	@$registry = ();	1158	@$registry = ();
721		1159
…		…
726	for (@$attach) {	1164	for (@$attach) {
727	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
729	}	1167	}
730	} else {	1168	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1170	}
733	}	1171	}
734	}	1172	}
735		1173
736	cf::attachable->attach (	1174	cf::attachable->attach (
737	prio => -1000000,	1175	prio => -1000000,
738	on_instantiate => sub {	1176	on_instantiate => sub {
739	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
740		1178
741	$data = from_json $data;	1179	$data = decode_json $data;
742		1180
743	for (@$data) {	1181	for (@$data) {
744	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
745		1183
746	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1200	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
764		1202
765	sync_job {	1203	sync_job {
766	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
769		1209
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
774	close $fh;	1217	aio_close $fh;
775		1218
776	if (@$objs) {	1219	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
782	close $fh;	1228	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
784	}	1230	}
785	} else {	1231	} else {
786	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
787	}	1233	}
788		1234
789	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1239	} else {
791	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
792	}	1241	}
793	} else {	1242	} else {
794	aio_unlink $filename;	1243	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
796	}	1245	}
797	}	1246	};
798	}	1247	}
799		1248
800	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
802		1251
…		…
814	or return;	1263	or return;
815		1264
816	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
818	or return;	1267	or return;
		1268
819	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
820	}	1271	}
821		1272
		1273	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
824	return ($data, $av);	1278	($data, $av)
825	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
826		1286
827	#############################################################################	1287	#############################################################################
828	# command handling &c	1288	# command handling &c
829		1289
830	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1304	}
845		1305
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1307
848	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
849		1313
850	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
851	called.	1315	called.
852		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
853	=cut	1328	=cut
854		1329
855	sub register_extcmd {	1330	sub register_extcmd {
856	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
857		1332
858	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
859	}	1334	}
860		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
861	cf::player->attach (	1344	cf::player->attach (
862	on_command => sub {	1345	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
864		1347
865	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
866	or return;	1349	or return;
867		1350
…		…
872	cf::override;	1355	cf::override;
873	},	1356	},
874	on_extcmd => sub {	1357	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
876		1359
877	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1361
879	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
885	} else {	1377	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1379	}
888		1380
889	cf::override;	1381	cf::override;
890	},	1382	},
891	);	1383	);
892		1384
		1385	# "readahead" all extensions
893	sub load_extension {	1386	sub cache_extensions {
894	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
895		1388
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1392	}
921	die $@;
922	}	1393	};
923		1394
924	push @EXTS, $pkg;	1395	$grp
925	}	1396	}
926		1397
927	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
928	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1405	next unless -r $path;
930	eval {	1406
931	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
932	1	1470	}
933	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
934	}	1481	};
935	}	1482	}
936		1483
937	#############################################################################	1484	#############################################################################
938		1485
		1486	=back
		1487
939	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
940		1489
941	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
942		1491
943	=cut	1492	=cut
944		1493
945	package cf::player;	1494	package cf::player;
946		1495
…		…
948		1497
949	=head3 cf::player	1498	=head3 cf::player
950		1499
951	=over 4	1500	=over 4
952		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
953	=item cf::player::find $login	1516	=item cf::player::find $login
954		1517
955	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
956		1519
957	=cut	1520	=cut
958		1521
959	sub playerdir($) {	1522	sub playerdir($) {
960	cf::localdir	1523	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1525	}
966		1526
967	sub path($) {	1527	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1538
979	sub exists($) {	1539	sub exists($) {
980	my ($login) = @_;	1540	my ($login) = @_;
981		1541
982	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
984	}	1544	}
985		1545
986	sub find($) {	1546	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1548	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
999		1559
1000	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1003	}	1569	}
1004	}	1570	}
1005	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1006		1585
1007	sub save($) {	1586	sub save($) {
1008	my ($pl) = @_;	1587	my ($pl) = @_;
1009		1588
1010	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1016		1595
1017	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1019		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1020	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1021	Coro::cede;	1605	cf::cede_to_tick;
1022	}	1606	}
1023		1607
1024	sub new($) {	1608	sub new($) {
1025	my ($login) = @_;	1609	my ($login) = @_;
1026		1610
…		…
1032	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1033		1617
1034	$self	1618	$self
1035	}	1619	}
1036		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1037	=item $pl->quit_character	1631	=item $pl->quit_character
1038		1632
1039	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1041		1635
…		…
1045	my ($pl) = @_;	1639	my ($pl) = @_;
1046		1640
1047	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1048		1642
1049	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1645
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1056		1651
1057	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1089		1684
1090	=cut	1685	=cut
1091		1686
1092	sub list_logins {	1687	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1689	or return [];
1095		1690
1096	my @logins;	1691	my @logins;
1097		1692
1098	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1102		1703
1103	utf8::decode $login;	1704	utf8::decode $login;
1104	push @logins, $login;	1705	push @logins, $login;
1105	}	1706	}
1106		1707
1107	\@logins	1708	\@logins
1108	}	1709	}
1109		1710
1110	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1111		1714
1112	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1113	player. May block.	1716	player. May block.
1114		1717
1115	=cut	1718	=cut
…		…
1133	}	1736	}
1134		1737
1135	\@paths	1738	\@paths
1136	}	1739	}
1137		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1138	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1139		1746
1140	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1141		1748
1142	=cut	1749	=cut
1143		1750
1144	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1146		1753
1147	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1755	}
1151		1756
1152	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1153		1758
1154	Sends an ext event to the client.	1759	Sends an ext event to the client.
1155		1760
1156	=cut	1761	=cut
1157		1762
1158	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1160		1765
1161	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1162	}	1767	}
1163		1768
1164	=head3 cf::region	1769	=head3 cf::region
1165		1770
1166	=over 4	1771	=over 4
…		…
1169		1774
1170	package cf::region;	1775	package cf::region;
1171		1776
1172	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1173		1778
1174	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1175		1780
1176	=cut	1781	=cut
1177		1782
1178	sub find_by_path($) {	1783	sub find_by_path($) {
1179	my ($path) = @_;	1784	my ($path) = @_;
1180		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1181	my ($match, $specificity);	1788	my ($match, $specificity);
1182		1789
1183	for my $region (list) {	1790	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1187	}	1794	}
1188	}	1795	}
1189		1796
…		…
1210	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1212		1819
1213	sub generate_random_map {	1820	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1215	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1826	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1238		1848
1239	sub register {	1849	sub register {
1240	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1851	my $pkg = caller;
1242		1852
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1854
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1856	}
1248		1857
1249	# also paths starting with '/'	1858	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1860
1252	sub thawer_merge {	1861	sub thawer_merge {
1253	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1254		1863
1255	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1256	local $self->{path};	1865	local $self->{path};
1257	local $self->{load_path};	1866	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1867
1261	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1262	}	1869	}
1263		1870
1264	sub normalise {	1871	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1312	return $self;	1919	return $self;
1313	}	1920	}
1314	}	1921	}
1315		1922
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1924	()
1318	}	1925	}
1319		1926
1320	sub init {	1927	sub init {
1321	my ($self) = @_;	1928	my ($self) = @_;
…		…
1336		1943
1337	# the original (read-only) location	1944	# the original (read-only) location
1338	sub load_path {	1945	sub load_path {
1339	my ($self) = @_;	1946	my ($self) = @_;
1340		1947
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1342	}	1949	}
1343		1950
1344	# the temporary/swap location	1951	# the temporary/swap location
1345	sub save_path {	1952	sub save_path {
1346	my ($self) = @_;	1953	my ($self) = @_;
1347		1954
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1350	}	1957	}
1351		1958
1352	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1353	sub uniq_path {	1960	sub uniq_path {
1354	my ($self) = @_;	1961	my ($self) = @_;
1355		1962
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1358	}	1965	}
1359		1966
1360	# and all this just because we cannot iterate over	1967	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1968	my ($self) = @_;
1364		1969
1365	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1367	}	1973	}
1368		1974
1369	sub unlink_save {	1975	sub unlink_save {
1370	my ($self) = @_;	1976	my ($self) = @_;
1371		1977
…		…
1376		1982
1377	sub load_header_from($) {	1983	sub load_header_from($) {
1378	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1379		1985
1380	utf8::encode $path;	1986	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1386		1995
1387	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1388		1997
1389	1	1998	1
1390	}	1999	}
…		…
1429	$self->load_header_orig	2038	$self->load_header_orig
1430	or return;	2039	or return;
1431	$self->prepare_orig;	2040	$self->prepare_orig;
1432	}	2041	}
1433		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1434	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2047	unless $self->default_region;
1436		2048
1437	1	2049	1
1438	}	2050	}
…		…
1441	sub find {	2053	sub find {
1442	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1443		2055
1444	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1445		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2060
1448	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1451	or return;	2063	or return;
1452		2064
1453	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1454		2066
1455	$map->load_header	2067	$map->load_header
1456	or return;	2068	or return;
1457		2069
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1461	$map->reset;	2075	$map->reset;
1462	undef $guard;
1463	return find $path;	2076	return find $path;
1464	}	2077	}
1465		2078
1466	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1467	}	2080	}
1468	}	2081	}
1469		2082
1470	sub pre_load { }	2083	sub pre_load { }
1471	sub post_load { }	2084	#sub post_load { } # XS
1472		2085
1473	sub load {	2086	sub load {
1474	my ($self) = @_;	2087	my ($self) = @_;
1475		2088
1476	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1477		2090
1478	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1480		2095
		2096	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2098
1483	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1484		2100
1485	$self->alloc;	2101	$self->alloc;
1486		2102
1487	$self->pre_load;	2103	$self->pre_load;
		2104	cf::cede_to_tick;
1488		2105
1489	$self->_load_objects ($self->{load_path}, 1)	2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1490	or return;	2109	or return;
1491		2110
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1493	if delete $self->{load_original};	2112	if delete $self->{load_original};
1494		2113
1495	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2115	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2118	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1500	}	2122	}
1501	}	2123	}
1502		2124
1503	Coro::cede;	2125	$f->resolve_delayed_derefs;
1504		2126
		2127	cf::cede_to_tick;
1505	# now do the right thing for maps	2128	# now do the right thing for maps
1506	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2131	unless $self->difficulty;
1516	Coro::cede;	2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1517	$self->activate;	2139	$self->activate;
		2140	}
		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
		2145	$self->in_memory (cf::MAP_ACTIVE);
1518	}	2146	}
1519		2147
1520	$self->post_load;	2148	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2149	}
1524		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1525	sub customise_for {	2154	sub customise_for {
1526	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1527		2156
1528	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2158	if $self->per_player;
1530		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1531	$self	2163	$self
1532	}	2164	}
1533		2165
1534	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2167	sub load_neighbours {
1536	my ($map) = @_;	2168	my ($map) = @_;
1537		2169
1538	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1539		2171
1540	for (0 .. 3) {	2172	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1542	or next;	2174	or next;
1543	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1544	or next;	2176	or next;
1545	$neigh->load;	2177	$neigh->load;
1546		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2183	}
1550		2184
1551	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1553	or next;	2188	or next;
1554	$neigh->load;	2189	$neigh->load;
1555	}	2190	}
1556	}	2191	}
1557		2192
1558	sub find_sync {	2193	sub find_sync {
1559	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1560		2195
1561	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1562	}	2200	}
1563		2201
1564	sub do_load_sync {	2202	sub do_load_sync {
1565	my ($map) = @_;	2203	my ($map) = @_;
1566		2204
1567	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1568	}	2209	}
1569		2210
1570	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1572		2213
1573	sub find_async {	2214	sub find_async {
1574	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1575		2216
1576	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1577		2218
1578	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1580	}	2221	}
1581		2222
1582	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1583	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1584	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2230	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2231	$map->load if $v;
		2232	}
1589		2233
1590	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1591	}	2235	}
1592	}	2236	}
1593	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1594	};	2238	};
1595	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1596		2240
1597	()	2241	()
1598	}	2242	}
1599		2243
		2244	# common code, used by both ->save and ->swapout
1600	sub save {	2245	sub _save {
1601	my ($self) = @_;	2246	my ($self) = @_;
1602
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1604		2247
1605	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1606		2249
1607	return unless $self->dirty;	2250	return unless $self->dirty;
1608		2251
…		…
1614	return if $self->{deny_save};	2257	return if $self->{deny_save};
1615		2258
1616	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1617		2260
1618	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1620	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1621		2267
1622	if ($uniq) {	2268	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2271	} else {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1627	}	2273	}
1628	}	2274	}
1629		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1630	sub swap_out {	2284	sub swap_out {
1631	my ($self) = @_;	2285	my ($self) = @_;
1632		2286
1633	# save first because save cedes
1634	$self->save;
1635
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1638	return if $self->players;	2291	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};
1641		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1642	$self->clear;	2302	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2303	}
1645		2304
1646	sub reset_at {	2305	sub reset_at {
1647	my ($self) = @_;	2306	my ($self) = @_;
1648		2307
1649	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1652		2310
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2313
…		…
1666	my ($self) = @_;	2324	my ($self) = @_;
1667		2325
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2327
1670	return if $self->players;	2328	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2329
1673	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1674		2331
1675	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1676		2333
1677	# need to save uniques path	2334	# need to save uniques path
1678	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2339	if $uniq;
1683	}	2340	}
1684		2341
1685	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1686		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2346	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2347
1691	$self->unlink_save;	2348	$self->unlink_save;
1692	$self->destroy;	2349	$self->destroy;
1693	}	2350	}
1694		2351
1695	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1696		2353
1697	sub nuke {	2354	sub nuke {
1698	my ($self) = @_;	2355	my ($self) = @_;
1699		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1700	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1701		2361
1702	$self->unlink_save;	2362	$self->unlink_save;
1703		2363
1704	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1705	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2369
1710	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1711		2372
1712	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1713	}	2410	}
1714		2411
1715	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1716		2413
1717	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2415	instantiated unique items. May block.
1719		2416
1720	=cut	2417	=cut
1721		2418
1722	sub unique_maps() {	2419	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2420	[
1724	or return;	2421	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2422	utf8::decode $_;
1730	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2425	? ()
1733	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2428	]
1735
1736	\@paths
1737	}	2429	}
1738		2430
1739	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1740		2462
1741	=back	2463	=back
1742		2464
1743	=head3 cf::object	2465	=head3 cf::object
1744		2466
…		…
1748		2470
1749	=over 4	2471	=over 4
1750		2472
1751	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1752		2474
1753	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1754		2477
1755	=cut	2478	=cut
1756		2479
1757	sub inv_recursive_;	2480	sub inv_recursive_;
1758	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1761		2484
1762	sub inv_recursive {	2485	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1764	}	2487	}
1765		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1766	package cf;	2517	package cf;
1767		2518
1768	=back	2519	=back
1769		2520
1770	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1776	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1777	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1778	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1779		2530
1780	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1781		2546
1782	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2548	# with dialog boxes.
1784	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1785	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1787		2552
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2554
1790	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1792	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1795	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1796	}	2580	}
1797		2581
1798	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1799		2583
1800	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1813		2597
1814	=item $player_object->enter_link	2598	=item $player_object->enter_link
1815		2599
1816	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1817		2601
1818	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1819	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1820		2606
1821	Will never block.	2607	Will never block.
1822		2608
1823	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1824		2610
…		…
1844	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1845	my ($self) = @_;	2631	my ($self) = @_;
1846		2632
1847	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1848		2634
		2635	++$self->{_link_recursion};
		2636
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2638
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1853		2641
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1855	}	2643	}
1856		2644
1857	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1859		2649
1860	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1861		2651
1862	unless ($map) {	2652	unless ($map) {
1863	# restore original map position	2653	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1876		2666
1877	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1880		2670
1881	$map->load;	2671	$map->load;
1882	$map->load_diag;	2672	$map->load_neighbours;
1883		2673
1884	return unless $self->contr->active;	2674	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2675
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1889	}	2678	# entering was successful
1890		2679	delete $self->{_link_recursion};
1891	cf::player->attach (	2680	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2681	$self->activate_recursive;
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},	2682	}
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2683
1905	# try to abort aborted map switching on player login :)	2684	}
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2685
1923	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1924		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1925	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1926		2700
1927	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2712
1930	$self->enter_link;	2713	$self->enter_link;
1931		2714
1932	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1933	my $map = eval {	2737	my $map = eval {
1934	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1936	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2753	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1941	})->prio (1);	2761	})->prio (1);
1942	}	2762	}
1943		2763
1944	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1945		2765
…		…
1965	}	2785	}
1966		2786
1967	sub prepare_random_map {	2787	sub prepare_random_map {
1968	my ($exit) = @_;	2788	my ($exit) = @_;
1969		2789
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2792	# that depends on the exit object
1975		2793
1976	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2796	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1983	}	2803	}
1984		2804
1985	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1986		2806
1987	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
1990		2810
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2813	undef $fh;
1994	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
1995		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1998	}	2822	}
1999	}	2823	}
2000		2824
2001	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2003		2827
2004	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2005		2829
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2830	$self->enter_link;
2018		2831
2019	(async {	2832	(async {
2020	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2021	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2022	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2023		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2024	1;	2856	1
2025	}) {	2857	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2028	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2030		2862
2031	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2032	$self->leave_link;	2864	$self->leave_link;
2033	}	2865	}
2034	})->prio (1);	2866	})->prio (1);
2035	}	2867	}
2036		2868
…		…
2050		2882
2051	utf8::encode $text;	2883	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2885	}
2054		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
2055	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2056		3075
2057	Sends an exti event to the client.	3076	Sends an ext event to the client.
2058		3077
2059	=cut	3078	=cut
2060		3079
2061	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2063		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
2066	}	3107	}
2067		3108
2068	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2069		3110
2070	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		3114
2074	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	3116	become reliable at some point in the future.
2076		3117
2077	=cut	3118	=cut
2078		3119
2079	sub cf::client::query {	3120	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3129	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3131
2091	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2093	}	3136	}
2094		3137
2095	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2096	on_reply => sub {	3144	on_reply => sub {
2097	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2098		3146
2099	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2100	# get handled first	3148	# get handled first
…		…
2112	} else {	3160	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3162	}
2115	}	3163	}
2116	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2117	);	3191	);
2118		3192
2119	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2120		3194
2121	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3211
2138	$coro	3212	$coro
2139	}	3213	}
2140		3214
2141	cf::client->attach (	3215	cf::client->attach (
2142	on_destroy => sub {	3216	on_client_destroy => sub {
2143	my ($ns) = @_;	3217	my ($ns) = @_;
2144		3218
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3220	},
2147	);	3221	);
…		…
2162	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2164		3238
2165	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2166		3240
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2168		3246
2169	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2170		3248
2171	=pod	3249	=pod
2172		3250
2173	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2174		3252
2175	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2176	cf::object::player player	3258	cf::object::player
2177	cf::player peaceful	3259	player
2178	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2179		3266
2180	=cut	3267	=cut
2181		3268
2182	for (	3269	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2184	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2187	) {	3276	) {
2188	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2191	for @funs;	3279	for @funs;
2192	}	3280	}
2193		3281
…		…
2208		3296
2209	my $qcode = $code;	3297	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2212		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2213	local $_;	3304	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3305
2216	my $eval =	3306	my $eval =
2217	"do {\n"	3307	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3310	. $code
2221	. "\n}"	3311	. "\n}"
2222	;	3312	;
2223		3313
		3314	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2227		3323
2228	if ($@) {	3324	if ($@) {
2229	warn "$@";	3325	warn "$@",
2230	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2231	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2232	}	3328	}
2233		3329
2234	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2235	}	3331	}
2236		3332
…		…
2250	=cut	3346	=cut
2251		3347
2252	sub register_script_function {	3348	sub register_script_function {
2253	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2254		3350
2255	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2257	}	3353	}
2258		3354
2259	=back	3355	=back
2260		3356
2261	=cut	3357	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3358
2335	#############################################################################	3359	#############################################################################
2336	# the server's init and main functions	3360	# the server's init and main functions
2337		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2338	sub load_facedata {	3404	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3405	my ($path) = @_;
2340		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2341	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2342		3414
2343	my $facedata;	3415	my $facedata;
2344	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2345	or die "$path: $!";	3417	or die "$path: $!";
2346		3418
2347	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2348		3420
2349	$facedata->{version} == 2	3421	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2352	{	3433	{
2353	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2354		3435
2355	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3443
		3444	cf::cede_to_tick;
2361	}	3445	}
2362		3446
2363	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2365	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2366	or next;	3451	or next;
		3452
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3456	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3458	}
2372	Coro::cede;	3459
		3460	cf::cede_to_tick;
2373	}	3461	}
2374	}	3462	}
2375		3463
2376	{	3464	{
2377	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2378		3466
2379	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3469	cf::cede_to_tick;
2382	}	3470	}
2383		3471
2384	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2385	}	3473	}
2386		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2387	1	3494	1
2388	}	3495	}
2389		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2390	sub reload_resources {	3567	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3568	trace "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3569
2393	load_facedata	3570	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3571	reload_sound;
2395	}	3572	reload_archetypes;
2396
2397	sub init {
2398	reload_resources;	3573	reload_regions;
2399	}	3574	reload_treasures;
2400		3575
2401	sub cfg_load {	3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3583	or return;
2404		3584
2405	local $/;	3585	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2407		3587
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2409		3589
2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2412		3592
2413	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2416	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2417	};	3597	};
2418	warn $@ if $@;	3598	warn $@ if $@;
2419	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2420	}	3630	}
2421		3631
2422	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2423	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3645	(async {
2427	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2429	};	3649	};
2430		3650
2431	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2432	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2433	load_extensions;	3676	load_extensions;
2434		3677
2435	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2436	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2437	}	3696	}
2438		3697
2439	#############################################################################	3698	#############################################################################
2440	# initialisation and cleanup	3699	# initialisation and cleanup
2441		3700
2442	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2443	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2452	},
2453	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2454	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2455	}	3797	}
2456		3798
2457	sub emergency_save() {	3799	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2459		3801
2460	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2461		3808
2462	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2463	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3820	$pl->save;
2471	}	3821	}
2472	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2473		3823
2474	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2475	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3829	$map->valid or next;
2478	$map->save;	3830	$map->save;
2479	}	3831	}
2480	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2481		3833
2482	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2484	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2485	};	3862	};
2486		3863
2487	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2488	}	3865	}
2489		3866
2490	sub post_cleanup {	3867	sub post_cleanup {
2491	my ($make_core) = @_;	3868	my ($make_core) = @_;
2492		3869
		3870	IO::AIO::flush;
		3871
2493	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3873	if $make_core;
2495	}
2496		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2497	sub reload() {	3904	sub do_reload_perl() {
2498	# can/must only be called in main	3905	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2500	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2501	return;	3908	return;
2502	}	3909	}
2503		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2504	warn "reloading...";	3916	info "reloading...";
2505		3917
2506	warn "entering sync_job";	3918	trace "entering sync_job";
2507		3919
2508	cf::sync_job {	3920	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark
2510	cf::emergency_save;	3921	cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark
2512		3922
2513	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;
2515
2516	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();	3925	%EXT_CORO = ();
2537		3926
2538	warn "removing commands";	3927	trace "removing commands";
2539	%COMMAND = ();	3928	%COMMAND = ();
2540		3929
2541	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2542	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2543		3933
2544	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2547		3937
2548	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2549	eval {	3939	eval {
2550	$cb->($pkg);	3940	$cb->($pkg);
2551	1	3941	1
2552	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2553	}	3947	}
2554		3948
2555	warn "... nuking $pkg";
2556	Symbol::delete_package $pkg;
2557	}
2558
2559	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2560	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		3952
2563	warn "... unloading $k";	3953	trace "... unloading $k";
2564	delete $INC{$k};	3954	delete $INC{$k};
2565		3955
2566	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2568		3958
2569	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2570	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2571	}	3964	}
2572		3965
2573	Symbol::delete_package $k;
2574	}
2575
2576	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3969
2580	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		3973
2583	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3975	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2586		3977
2587	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2588		3979
2589	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2590	require cf;	3981	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2592		3983
2593	warn "loading config and database again";	3984	trace "loading config and database again";
2594	cf::cfg_load;	3985	cf::reload_config;
2595		3986
2596	warn "loading extensions";	3987	trace "loading extensions";
2597	cf::load_extensions;	3988	cf::load_extensions;
2598		3989
		3990	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2605		3998
2606	warn "loading reloadable resources";	3999	trace "running post_init jobs";
2607	reload_resources;	4000	(pop @POST_INIT)->(1) while @POST_INIT;
2608		4001
2609	warn "leaving sync_job";	4002	trace "leaving sync_job";
2610		4003
2611	1	4004	1
2612	} or do {	4005	} or do {
2613	warn $@;	4006	error $@;
2614	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2615	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2616	};	4031	};
2617		4032	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		4033
2623	register_command "reload" => sub {	4034	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2625		4036
2626	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
2628		4039	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	4040	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	4041	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	4042	};
2641	}	4043	}
2642	};	4044	};
2643		4045
2644	unshift @INC, $LIBDIR;	4046	#############################################################################
2645		4047
2646	my $bug_warning = 0;	4048	my $bug_warning = 0;
2647		4049
2648	$TICK_WATCHER = Event->timer (	4050	our @WAIT_FOR_TICK;
2649	reentrant => 0,	4051	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	4052
2651	prio => 0,	4053	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2653	data => WF_AUTOCANCEL,	4055
2654	cb => sub {	4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
2655	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2658	return;	4073	return;
2659	}	4074	}
2660		4075
2661	$NOW = Event::time;
2662
2663	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		4077
		4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4079
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	4084	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2672	};
2673	}	4086	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	4087	}
2687	);	4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
2688		4107
2689	{	4108	{
2690	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	4110
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2700		4112	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		4114
2716	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		4122
2719	cf::sync_job {	4123	cf::sync_job {
2720	eval {	4124	eval {
2721	BDB::db_env_open	4125	BDB::db_env_open
2722	$DB_ENV,	4126	$DB_ENV,
2723	$BDB_ENV_DIR,	4127	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4130	0666;
2727		4131
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4133	};
2733		4134
2734	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4136	};
2736	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
2737	}	4148	}
2738		4149
2739	{	4150	{
		4151	# configure IO::AIO
		4152
2740	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	4156	}
		4157
		4158	my $_log_backtrace;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
		4197	}
		4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2753		4203
2754	END { cf::emergency_save }	4204	END { cf::emergency_save }
2755		4205
2756	1	4206	1
2757		4207

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines