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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
13		37
		38	use Guard ();
14	use Coro 3.52 ();	39	use Coro ();
15	use Coro::State;	40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
16	use Coro::Event;	43	use Coro::AnyEvent;
17	use Coro::Timer;	44	use Coro::Timer;
18	use Coro::Signal;	45	use Coro::Signal;
19	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
20	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
21		53
		54	use JSON::XS 2.01 ();
22	use BDB ();	55	use BDB ();
23	use Data::Dumper;	56	use Data::Dumper;
24	use Digest::MD5;	57	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	115	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
67		124
68	our %CFG;	125	our %CFG;
69		126
70	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
72		130
73	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		134
82	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
85	binmode STDOUT;	148	binmode STDOUT;
86	binmode STDERR;	149	binmode STDERR;
87		150
88	# read virtual server time, if available	151	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
93	}	156	}
94		157
95	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	159
97	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		162
102	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
103		164
104	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		177
106	#############################################################################	178	#############################################################################
107		179
108	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
109		181
…		…
116	=item $cf::RUNTIME	188	=item $cf::RUNTIME
117		189
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	191	every server tick.
120		192
121	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		196
123	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
125		201
126	=item $cf::NOW	202	=item $cf::NOW
127		203
128	The time of the last (current) server tick.	204	The time of the last (current) server tick.
129		205
130	=item $cf::TICK	206	=item $cf::TICK
131		207
132	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
133		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
134	=item %cf::CFG	220	=item %cf::CFG
135		221
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	223	from wherever your confdir points to.
138		224
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		226
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
145		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153	utf8::encode $msg;
154		249
155	$msg .= "\n"	250	$msg .= "\n"
156	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
157		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
158	LOG llevError, $msg;	255	LOG llevError, $msg;
159	};	256	};
160	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
161		271
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		279
169	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	281	# within the Safe compartment.
171	for my $pkg (qw(	282	for my $pkg (qw(
172	cf::global cf::attachable	283	cf::global cf::attachable
173	cf::object cf::object::player	284	cf::object cf::object::player
174	cf::client cf::player	285	cf::client cf::player
175	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
176	cf::map cf::party cf::region	288	cf::party cf::region
177	)) {	289	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	291	}
181		292
182	$Event::DIED = sub {	293	$EV::DIED = sub {
183	warn "error in event callback: @_";	294	warn "error in event callback: @_";
184	};	295	};
		296
		297	#############################################################################
185		298
186	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
187		300
188	=over 4	301	=over 4
189		302
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	322	$d
210	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
211	}	324	}
212		325
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
216		327
217	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
218		329
219	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
220		331
221	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
222		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
223	=item cf::lock_wait $string	355	=item cf::lock_wait $string
224		356
225	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
226		358
227	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
228		360
229	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
232	returned.	364	returned.
233		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
234	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
236		371
237	=cut	372	=item $locked = cf::lock_active $string
238		373
239	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
240		379
241	sub lock_wait($) {	380	sub lock_wait($) {
242	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	382	}
250		383
251	sub lock_acquire($) {	384	sub lock_acquire($) {
252	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
253		387
254	# wait, to be sure we are not locked	388	sub lock_active($) {
255	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	390	}
264		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
270	};	456	}
271	$TICK_WATCHER->stop;	457	};
272	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
273	}	471	}
274		472
275	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
276		474
277	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		480
283	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
284		482
285	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
286		484
287	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
290		489
291	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
294	fast or be very important.	493	fast or be very important.
…		…
297		496
298	sub sync_job(&) {	497	sub sync_job(&) {
299	my ($job) = @_;	498	my ($job) = @_;
300		499
301	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
302	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
304		505
305	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	507
307	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
308		509
309	my $busy = 1;	510	my $busy = 1;
310	my @res;	511	my @res;
311		512
312	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	515	@res = eval { $job->() };
314	warn $@ if $@;	516	warn $@ if $@;
315	undef $busy;	517	undef $busy;
316	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
317		519
318	while ($busy) {	520	while ($busy) {
319	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
320	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
321		531
322	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
323	} else {	533	} else {
324	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
325		535
…		…
345	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
346		556
347	$coro	557	$coro
348	}	558	}
349		559
350	sub write_runtime {	560	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		561
353	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
354		566
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
356	or return;
357		568
358	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		571
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
363	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
364		575
365	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	577	reset_signals;
367	and return;	578	&$cb
		579	}, @args;
368		580
369	close $fh	581	wantarray ? @res : $res[-1]
370	or return;	582	}
371		583
372	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
373	and return;
374		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
375	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
376	}	736	}
377		737
378	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
379		739
380	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		752
393	#############################################################################	753	#############################################################################
394		754
395	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
396		756
397	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
400		760
401	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	763	Deliantra).
404		764
405	=over 4	765	=over 4
406		766
407	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
408		768
…		…
452	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
453		813
454	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
456		816
457	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
459		819
460	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
461		821
462	=over 4	822	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
572		932
573	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		937
578	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	939	my $pkg = shift @arg;
580		940
581	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
611	}	971	}
612		972
613	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
614	} else {	974	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	976	}
617		977
618	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
619	}	979	}
620		980
…		…
622	if (ref $_[0]) {	982	if (ref $_[0]) {
623	_object_attach @_;	983	_object_attach @_;
624	} else {	984	} else {
625	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
626	}	986	}
		987	_recalc_want;
627	};	988	};
628		989
629	# all those should be optimised	990	# all those should be optimised
630	sub cf::attachable::detach {	991	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
635	reattach ($obj);	996	reattach ($obj);
636	} else {	997	} else {
637	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
638	}	999	}
		1000	_recalc_want;
639	};	1001	};
640		1002
641	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
643		1005
…		…
658	";	1020	";
659	die if $@;	1021	die if $@;
660	}	1022	}
661		1023
662	our $override;	1024	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1026
665	sub override {	1027	sub override {
666	$override = 1;	1028	$override = 1;
667	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
668	}	1030	}
669		1031
670	sub do_invoke {	1032	sub do_invoke {
671	my $event = shift;	1033	my $event = shift;
672	my $callbacks = shift;	1034	my $callbacks = shift;
673		1035
674	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
675		1037
676	local $override;	1038	local $override;
677		1039
678	for (@$callbacks) {	1040	for (@$callbacks) {
679	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
688	}	1050	}
689		1051
690	0	1052	0
691	}	1053	}
692		1054
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1056
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1058
697	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
698		1060
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1064
703	=back	1065	=back
704		1066
705	=cut	1067	=cut
706		1068
707	#############################################################################	1069	#############################################################################
708	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
709		1113
710	sub reattach {	1114	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1116	my ($obj) = @_;
713		1117
		1118	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1120
716	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
717		1122
718	@$registry = ();	1123	@$registry = ();
719		1124
…		…
734	cf::attachable->attach (	1139	cf::attachable->attach (
735	prio => -1000000,	1140	prio => -1000000,
736	on_instantiate => sub {	1141	on_instantiate => sub {
737	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
738		1143
739	$data = from_json $data;	1144	$data = decode_json $data;
740		1145
741	for (@$data) {	1146	for (@$data) {
742	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
743		1148
744	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1165	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
762		1167
763	sync_job {	1168	sync_job {
764	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
767		1173
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
772	close $fh;	1181	aio_close $fh;
773		1182
774	if (@$objs) {	1183	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
780	close $fh;	1192	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
782	}	1194	}
783	} else {	1195	} else {
784	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
785	}	1197	}
786		1198
787	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1203	} else {
789	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
790	}	1205	}
791	} else {	1206	} else {
792	aio_unlink $filename;	1207	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
794	}	1209	}
795	}	1210	};
796	}	1211	}
797		1212
798	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
800		1215
…		…
812	or return;	1227	or return;
813		1228
814	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
816	or return;	1231	or return;
		1232
817	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
818	}	1235	}
819		1236
		1237	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
822	return ($data, $av);	1241	($data, $av)
823	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
824		1249
825	#############################################################################	1250	#############################################################################
826	# command handling &c	1251	# command handling &c
827		1252
828	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1267	}
843		1268
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1270
846	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
847		1276
848	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
849	called.	1278	called.
850		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
851	=cut	1291	=cut
852		1292
853	sub register_extcmd {	1293	sub register_extcmd {
854	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
855		1295
856	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
857	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
858		1306
859	cf::player->attach (	1307	cf::player->attach (
860	on_command => sub {	1308	on_command => sub {
861	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
862		1310
…		…
870	cf::override;	1318	cf::override;
871	},	1319	},
872	on_extcmd => sub {	1320	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
874		1322
875	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1324
877	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
883	} else {	1340	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1342	}
886		1343
887	cf::override;	1344	cf::override;
888	},	1345	},
889	);	1346	);
890		1347
		1348	# "readahead" all extensions
891	sub load_extension {	1349	sub cache_extensions {
892	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
893		1351
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1355	}
919	die $@;
920	}	1356	};
921		1357
922	push @EXTS, $pkg;	1358	$grp
923	}	1359	}
924		1360
925	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
926	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1366	next unless -r $path;
928	eval {	1367
929	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
930	1	1424	}
931	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
932	}	1430	};
933	}	1431	}
934		1432
935	#############################################################################	1433	#############################################################################
936		1434
		1435	=back
		1436
937	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
938		1438
939	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
940		1440
941	=cut	1441	=cut
942		1442
943	package cf::player;	1443	package cf::player;
944		1444
…		…
946		1446
947	=head3 cf::player	1447	=head3 cf::player
948		1448
949	=over 4	1449	=over 4
950		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
951	=item cf::player::find $login	1465	=item cf::player::find $login
952		1466
953	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
954		1468
955	=cut	1469	=cut
956		1470
957	sub playerdir($) {	1471	sub playerdir($) {
958	cf::localdir	1472	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1474	}
964		1475
965	sub path($) {	1476	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1478
968	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
969	}	1480	}
970		1481
971	sub find_active($) {	1482	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
976		1487
977	sub exists($) {	1488	sub exists($) {
978	my ($login) = @_;	1489	my ($login) = @_;
979		1490
980	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
982	}	1493	}
983		1494
984	sub find($) {	1495	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1497	my $login = $_[0];
987		1498
988	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
989		1500
990	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
992	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
994	}	1518	}
995	}	1519	}
996	}	1520	}
997		1521
…		…
1006	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1007		1531
1008	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1010		1534
		1535	cf::get_slot 0.01;
		1536
1011	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1012	Coro::cede;	1538	cf::cede_to_tick;
1013	}	1539	}
1014		1540
1015	sub new($) {	1541	sub new($) {
1016	my ($login) = @_;	1542	my ($login) = @_;
1017		1543
…		…
1023	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1024		1550
1025	$self	1551	$self
1026	}	1552	}
1027		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1028	=item $pl->quit_character	1564	=item $pl->quit_character
1029		1565
1030	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1032		1568
…		…
1036	my ($pl) = @_;	1572	my ($pl) = @_;
1037		1573
1038	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1039		1575
1040	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1578
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1047		1585
1048	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1080		1618
1081	=cut	1619	=cut
1082		1620
1083	sub list_logins {	1621	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1623	or return [];
1086		1624
1087	my @logins;	1625	my @logins;
1088		1626
1089	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1093		1637
1094	utf8::decode $login;	1638	utf8::decode $login;
1095	push @logins, $login;	1639	push @logins, $login;
1096	}	1640	}
1097		1641
…		…
1124	}	1668	}
1125		1669
1126	\@paths	1670	\@paths
1127	}	1671	}
1128		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1130		1678
1131	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1132		1680
1133	=cut	1681	=cut
1134		1682
1135	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1137		1685
1138	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1687	}
1142		1688
1143	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1144		1729
1145	=back	1730	=back
1146
1147		1731
1148	=head3 cf::map	1732	=head3 cf::map
1149		1733
1150	=over 4	1734	=over 4
1151		1735
…		…
1163	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1165		1749
1166	sub generate_random_map {	1750	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1168	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1756	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1207		1794
1208	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1209	local $self->{path};	1796	local $self->{path};
1210	local $self->{load_path};	1797	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1798
1214	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1215	}	1800	}
1216		1801
1217	sub normalise {	1802	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1265	return $self;	1850	return $self;
1266	}	1851	}
1267	}	1852	}
1268		1853
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1855	()
1271	}	1856	}
1272		1857
1273	sub init {	1858	sub init {
1274	my ($self) = @_;	1859	my ($self) = @_;
…		…
1289		1874
1290	# the original (read-only) location	1875	# the original (read-only) location
1291	sub load_path {	1876	sub load_path {
1292	my ($self) = @_;	1877	my ($self) = @_;
1293		1878
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1879	"$MAPDIR/$self->{path}.map"
1295	}	1880	}
1296		1881
1297	# the temporary/swap location	1882	# the temporary/swap location
1298	sub save_path {	1883	sub save_path {
1299	my ($self) = @_;	1884	my ($self) = @_;
1300		1885
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1887	"$TMPDIR/$path.map"
1303	}	1888	}
1304		1889
1305	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1306	sub uniq_path {	1891	sub uniq_path {
1307	my ($self) = @_;	1892	my ($self) = @_;
1308		1893
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1895	"$UNIQUEDIR/$path"
1311	}	1896	}
1312		1897
1313	# and all this just because we cannot iterate over	1898	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1899	my ($self) = @_;
1317		1900
1318	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1320	}	1904	}
1321		1905
1322	sub unlink_save {	1906	sub unlink_save {
1323	my ($self) = @_;	1907	my ($self) = @_;
1324		1908
…		…
1329		1913
1330	sub load_header_from($) {	1914	sub load_header_from($) {
1331	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1332		1916
1333	utf8::encode $path;	1917	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1339		1926
1340	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1341		1928
1342	1	1929	1
1343	}	1930	}
…		…
1382	$self->load_header_orig	1969	$self->load_header_orig
1383	or return;	1970	or return;
1384	$self->prepare_orig;	1971	$self->prepare_orig;
1385	}	1972	}
1386		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
		1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
1387	1	1980	1
1388	}	1981	}
1389		1982
1390	sub find;	1983	sub find;
1391	sub find {	1984	sub find {
1392	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1393		1986
1394	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1395		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1397		1991
1398	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1401	or return;	1994	or return;
1402		1995
1403	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1404		1997
1405	$map->load_header	1998	$map->load_header
1406	or return;	1999	or return;
1407		2000
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1411	$map->reset;	2006	$map->reset;
1412	undef $guard;
1413	return find $path;	2007	return find $path;
1414	}	2008	}
1415		2009
1416	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1417	}	2011	}
…		…
1424	my ($self) = @_;	2018	my ($self) = @_;
1425		2019
1426	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1427		2021
1428	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1430		2026
		2027	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2029
1433	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1434		2031
1435	$self->alloc;	2032	$self->alloc;
1436		2033
1437	$self->pre_load;	2034	$self->pre_load;
		2035	cf::cede_to_tick;
1438		2036
1439	$self->_load_objects ($self->{load_path}, 1)	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1440	or return;	2040	or return;
1441		2041
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1443	if delete $self->{load_original};	2043	if delete $self->{load_original};
1444		2044
1445	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2046	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2049	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1450	}	2053	}
1451	}	2054	}
1452		2055
1453	Coro::cede;	2056	$f->resolve_delayed_derefs;
1454		2057
		2058	cf::cede_to_tick;
1455	# now do the right thing for maps	2059	# now do the right thing for maps
1456	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2062	unless $self->difficulty;
1466	Coro::cede;	2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1467	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2077	}
1469		2078
1470	$self->post_load;	2079	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2080	}
1474		2081
1475	sub customise_for {	2082	sub customise_for {
1476	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1477		2084
1478	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2086	if $self->per_player;
1480		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1481	$self	2091	$self
1482	}	2092	}
1483		2093
1484	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2095	sub load_neighbours {
1486	my ($map) = @_;	2096	my ($map) = @_;
1487		2097
1488	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1489		2099
1490	for (0 .. 3) {	2100	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1492	or next;	2102	or next;
1493	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1494	or next;	2104	or next;
1495	$neigh->load;	2105	$neigh->load;
1496		2106
		2107	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2110	}
1500		2111
1501	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1503	or next;	2115	or next;
1504	$neigh->load;	2116	$neigh->load;
1505	}	2117	}
1506	}	2118	}
1507		2119
…		…
1512	}	2124	}
1513		2125
1514	sub do_load_sync {	2126	sub do_load_sync {
1515	my ($map) = @_;	2127	my ($map) = @_;
1516		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1517	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1518	}	2133	}
1519		2134
1520	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1522		2137
1523	sub find_async {	2138	sub find_async {
1524	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1525		2140
1526	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1527		2142
1528	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2145	}
1531		2146
1532	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1533	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1534	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2154	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2155	$map->load if $v;
		2156	}
1539		2157
1540	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1541	}	2159	}
1542	}	2160	}
1543	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1544	};	2162	};
1545	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2166	}
1549		2167
1550	sub save {	2168	sub save {
1551	my ($self) = @_;	2169	my ($self) = @_;
1552		2170
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2172
1555	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1556		2174
1557	return unless $self->dirty;	2175	return unless $self->dirty;
1558		2176
…		…
1564	return if $self->{deny_save};	2182	return if $self->{deny_save};
1565		2183
1566	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1567		2185
1568	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1570	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1571		2192
1572	if ($uniq) {	2193	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2196	} else {
…		…
1581	my ($self) = @_;	2202	my ($self) = @_;
1582		2203
1583	# save first because save cedes	2204	# save first because save cedes
1584	$self->save;	2205	$self->save;
1585		2206
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2208
1588	return if $self->players;	2209	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2211	return if $self->{deny_save};
1591		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2217	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2218	}
1595		2219
1596	sub reset_at {	2220	sub reset_at {
1597	my ($self) = @_;	2221	my ($self) = @_;
1598		2222
1599	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1602		2225
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2228
…		…
1616	my ($self) = @_;	2239	my ($self) = @_;
1617		2240
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2242
1620	return if $self->players;	2243	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2244
1623	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1624		2246
1625	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1626		2248
1627	# need to save uniques path	2249	# need to save uniques path
1628	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2254	if $uniq;
1633	}	2255	}
1634		2256
1635	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1636		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2261	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2262
1641	$self->unlink_save;	2263	$self->unlink_save;
1642	$self->destroy;	2264	$self->destroy;
1643	}	2265	}
1644		2266
1645	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1646		2268
1647	sub nuke {	2269	sub nuke {
1648	my ($self) = @_;	2270	my ($self) = @_;
1649		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1650	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1651		2276
1652	$self->unlink_save;	2277	$self->unlink_save;
1653		2278
1654	bless $self, "cf::map";	2279	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2284
1660	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1661		2287
1662	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
		2289	}
		2290
		2291	=item $maps = cf::map::tmp_maps
		2292
		2293	Returns an arrayref with all map paths of currently instantiated and saved
		2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
		2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
		2308
		2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1663	}	2325	}
1664		2326
1665	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1666		2328
1667	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2330	instantiated unique items. May block.
1669		2331
1670	=cut	2332	=cut
1671		2333
1672	sub unique_maps() {	2334	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1674	or return;	2336	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2337	utf8::decode $_;
1680	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2340	? ()
1683	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2343	]
1685
1686	\@paths
1687	}	2344	}
1688		2345
1689	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2361	or return;
		2362
		2363	for (@$files) {
		2364	s/\.map$// or next;
		2365	utf8::decode $_;
		2366	push @maps, "$dir/$_";
		2367	}
		2368
		2369	push @dirs, map "$dir/$_", @$dirs;
		2370	}
		2371
		2372	\@maps
		2373	}
1690		2374
1691	=back	2375	=back
1692		2376
1693	=head3 cf::object	2377	=head3 cf::object
1694		2378
…		…
1698		2382
1699	=over 4	2383	=over 4
1700		2384
1701	=item $ob->inv_recursive	2385	=item $ob->inv_recursive
1702		2386
1703	Returns the inventory of the object _and_ their inventories, recursively.	2387	Returns the inventory of the object I<and> their inventories, recursively,
		2388	but I<not> the object itself.
1704		2389
1705	=cut	2390	=cut
1706		2391
1707	sub inv_recursive_;	2392	sub inv_recursive_;
1708	sub inv_recursive_ {	2393	sub inv_recursive_ {
…		…
1711		2396
1712	sub inv_recursive {	2397	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2398	inv_recursive_ inv $_[0]
1714	}	2399	}
1715		2400
		2401	=item $ref = $ob->ref
		2402
		2403	Creates and returns a persistent reference to an object that can be stored as a string.
		2404
		2405	=item $ob = cf::object::deref ($refstring)
		2406
		2407	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2408	even if the object actually exists. May block.
		2409
		2410	=cut
		2411
		2412	sub deref {
		2413	my ($ref) = @_;
		2414
		2415	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2416	my ($uuid, $name) = ($1, $2);
		2417	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2418	or return;
		2419	$pl->ob->uuid eq $uuid
		2420	or return;
		2421
		2422	$pl->ob
		2423	} else {
		2424	warn "$ref: cannot resolve object reference\n";
		2425	undef
		2426	}
		2427	}
		2428
1716	package cf;	2429	package cf;
1717		2430
1718	=back	2431	=back
1719		2432
1720	=head3 cf::object::player	2433	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2439	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2440	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2441	dialogue with the given NPC character.
1729		2442
1730	=cut	2443	=cut
		2444
		2445	our $SAY_CHANNEL = {
		2446	id => "say",
		2447	title => "Map",
		2448	reply => "say ",
		2449	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2450	};
		2451
		2452	our $CHAT_CHANNEL = {
		2453	id => "chat",
		2454	title => "Chat",
		2455	reply => "chat ",
		2456	tooltip => "Player chat and shouts, global to the server.",
		2457	};
1731		2458
1732	# rough implementation of a future "reply" method that works	2459	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2460	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2461	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2462	sub cf::object::player::reply($$$;$) {
…		…
1737		2464
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2465	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2466
1740	if ($self->{record_replies}) {	2467	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2468	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2469
1742	} else {	2470	} else {
		2471	my $pl = $self->contr;
		2472
		2473	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2474	my $dialog = $pl->{npc_dialog};
		2475	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2476
		2477	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2478	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2479	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2480	}
1745	}	2481	}
		2482	}
		2483
		2484	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2485
		2486	=cut
		2487
		2488	sub cf::object::send_msg {
		2489	my $pl = shift->contr
		2490	or return;
		2491	$pl->send_msg (@_);
1746	}	2492	}
1747		2493
1748	=item $player_object->may ("access")	2494	=item $player_object->may ("access")
1749		2495
1750	Returns wether the given player is authorized to access resource "access"	2496	Returns wether the given player is authorized to access resource "access"
…		…
1763		2509
1764	=item $player_object->enter_link	2510	=item $player_object->enter_link
1765		2511
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2512	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2513
1768	The player should be reasonably safe there for short amounts of time. You	2514	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2515	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2516	though, as the palyer cannot control the character while it is on the link
		2517	map.
1770		2518
1771	Will never block.	2519	Will never block.
1772		2520
1773	=item $player_object->leave_link ($map, $x, $y)	2521	=item $player_object->leave_link ($map, $x, $y)
1774		2522
…		…
1797	$self->deactivate_recursive;	2545	$self->deactivate_recursive;
1798		2546
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2547	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2548
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2549	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2550	if $self->map && $self->map->{path} ne "{link}";
1803		2551
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2552	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2553	}
1806		2554
1807	sub cf::object::player::leave_link {	2555	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2556	my ($self, $map, $x, $y) = @_;
		2557
		2558	return unless $self->contr->active;
1809		2559
1810	my $link_pos = delete $self->{_link_pos};	2560	my $link_pos = delete $self->{_link_pos};
1811		2561
1812	unless ($map) {	2562	unless ($map) {
1813	# restore original map position	2563	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2577	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2578	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2579	if $x <=0 && $y <= 0;
1830		2580
1831	$map->load;	2581	$map->load;
1832	$map->load_diag;	2582	$map->load_neighbours;
1833		2583
1834	return unless $self->contr->active;	2584	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2585
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2586	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2587	$self->enter_map ($map, $x, $y);
1839	}
1840		2588
1841	cf::player->attach (	2589	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2590	$self->activate_recursive;
1843	my ($pl) = @_;	2591	}
1844		2592
1845	# abort map switching before logout	2593	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2594
1855	# try to abort aborted map switching on player login :)	2595	Moves the player to the given map-path and coordinates by first freezing
1856	# should happen only on crashes	2596	her, loading and preparing them map, calling the provided $check callback
1857	if ($pl->ob->{_link_pos}) {	2597	that has to return the map if sucecssful, and then unfreezes the player on
1858	$pl->ob->enter_link;	2598	the new (success) or old (failed) map position. In either case, $done will
1859	(async {	2599	be called at the end of this process.
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2600
1873	=item $player_object->goto ($path, $x, $y)	2601	Note that $check will be called with a potentially non-loaded map, so if
		2602	it needs a loaded map it has to call C<< ->load >>.
1874		2603
1875	=cut	2604	=cut
		2605
		2606	our $GOTOGEN;
1876		2607
1877	sub cf::object::player::goto {	2608	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2609	my ($self, $path, $x, $y, $check, $done) = @_;
		2610
		2611	# do generation counting so two concurrent goto's will be executed in-order
		2612	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2613
1880	$self->enter_link;	2614	$self->enter_link;
1881		2615
1882	(async {	2616	(async {
		2617	$Coro::current->{desc} = "player::goto $path $x $y";
		2618
		2619	# *tag paths override both path and x|y
		2620	if ($path =~ /^\*(.*)$/) {
		2621	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2622	my $ob = $obs[rand @obs];
		2623
		2624	# see if we actually can go there
		2625	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2626	$ob = $obs[rand @obs];
		2627	} else {
		2628	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2629	}
		2630	# else put us there anyways for now #d#
		2631
		2632	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2633	} else {
		2634	($path, $x, $y) = (undef, undef, undef);
		2635	}
		2636	}
		2637
1883	my $map = eval {	2638	my $map = eval {
1884	my $map = cf::map::find $path;	2639	my $map = defined $path ? cf::map::find $path : undef;
		2640
		2641	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2642	$map = $map->customise_for ($self);
		2643	$map = $check->($map) if $check && $map;
		2644	} else {
		2645	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647
1886	$map	2648	$map
		2649	};
		2650
		2651	if ($@) {
		2652	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2653	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2654	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2655
		2656	if ($gen == $self->{_goto_generation}) {
		2657	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2658	$self->leave_link ($map, $x, $y);
		2659	}
		2660
		2661	$done->() if $done;
1891	})->prio (1);	2662	})->prio (1);
1892	}	2663	}
1893		2664
1894	=item $player_object->enter_exit ($exit_object)	2665	=item $player_object->enter_exit ($exit_object)
1895		2666
…		…
1915	}	2686	}
1916		2687
1917	sub prepare_random_map {	2688	sub prepare_random_map {
1918	my ($exit) = @_;	2689	my ($exit) = @_;
1919		2690
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2691	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2692	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2693	# that depends on the exit object
1925		2694
1926	my $rmp = parse_random_map_params $exit->msg;	2695	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2697	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2698	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2699	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2700	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
		2702
		2703	$exit->map->touch;
1933	}	2704	}
1934		2705
1935	$rmp->{random_seed} ||= $exit->random_seed;	2706	$rmp->{random_seed} ||= $exit->random_seed;
1936		2707
1937	my $data = cf::to_json $rmp;	2708	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2709	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2710	my $meta = "$RANDOMDIR/$md5.meta";
1940		2711
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2712	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2713	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2714	undef $fh;
1944	aio_rename "$meta~", $meta;	2715	aio_rename "$meta~", $meta;
1945		2716
		2717	my $slaying = "?random/$md5";
		2718
		2719	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2720	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2721	$exit->msg (undef);
		2722	}
1948	}	2723	}
1949	}	2724	}
1950		2725
1951	sub cf::object::player::enter_exit {	2726	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2727	my ($self, $exit) = @_;
1953		2728
1954	return unless $self->type == cf::PLAYER;	2729	return unless $self->type == cf::PLAYER;
1955		2730
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2731	$self->enter_link;
1966		2732
1967	(async {	2733	(async {
1968	$self->deactivate_recursive; # just to be sure	2734	$Coro::current->{desc} = "enter_exit";
		2735
1969	unless (eval {	2736	unless (eval {
		2737	$self->deactivate_recursive; # just to be sure
		2738
		2739	# random map handling
		2740	{
		2741	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2742
		2743	prepare_random_map $exit
		2744	if $exit->slaying eq "/!";
		2745	}
		2746
		2747	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2748	my $x = $exit->stats->hp;
		2749	my $y = $exit->stats->sp;
		2750
1970	$self->goto ($slaying, $hp, $sp);	2751	$self->goto ($map, $x, $y);
1971		2752
		2753	# if exit is damned, update players death & WoR home-position
		2754	$self->contr->savebed ($map, $x, $y)
		2755	if $exit->flag (cf::FLAG_DAMNED);
		2756
1972	1;	2757	1
1973	}) {	2758	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2759	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2760	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2761	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2762	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2763
1979	warn "ERROR in enter_exit: $@";	2764	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2765	$self->leave_link;
1981	}	2766	}
1982	})->prio (1);	2767	})->prio (1);
…		…
1998		2783
1999	utf8::encode $text;	2784	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2785	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2786	}
2002		2787
		2788	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2789
		2790	Send a drawinfo or msg packet to the client, formatting the msg for the
		2791	client if neccessary. C<$type> should be a string identifying the type of
		2792	the message, with C<log> being the default. If C<$color> is negative, suppress
		2793	the message unless the client supports the msg packet.
		2794
		2795	=cut
		2796
		2797	# non-persistent channels (usually the info channel)
		2798	our %CHANNEL = (
		2799	"c/motd" => {
		2800	id => "infobox",
		2801	title => "MOTD",
		2802	reply => undef,
		2803	tooltip => "The message of the day",
		2804	},
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/shopinfo" => {
		2818	id => "infobox",
		2819	title => "Shop Info",
		2820	reply => undef,
		2821	tooltip => "What your bargaining skill tells you about the shop",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/statistics" => {
		2848	id => "infobox",
		2849	title => "Statistics",
		2850	reply => undef,
		2851	tooltip => "Shows your primary statistics",
		2852	},
		2853	"c/skills" => {
		2854	id => "infobox",
		2855	title => "Skills",
		2856	reply => undef,
		2857	tooltip => "Shows your experience per skill and item power",
		2858	},
		2859	"c/shopitems" => {
		2860	id => "infobox",
		2861	title => "Shop Items",
		2862	reply => undef,
		2863	tooltip => "Shows the items currently for sale in this shop",
		2864	},
		2865	"c/resistances" => {
		2866	id => "infobox",
		2867	title => "Resistances",
		2868	reply => undef,
		2869	tooltip => "Shows your resistances",
		2870	},
		2871	"c/pets" => {
		2872	id => "infobox",
		2873	title => "Pets",
		2874	reply => undef,
		2875	tooltip => "Shows information abotu your pets/a specific pet",
		2876	},
		2877	"c/perceiveself" => {
		2878	id => "infobox",
		2879	title => "Perceive Self",
		2880	reply => undef,
		2881	tooltip => "You gained detailed knowledge about yourself",
		2882	},
		2883	"c/uptime" => {
		2884	id => "infobox",
		2885	title => "Uptime",
		2886	reply => undef,
		2887	tooltip => "How long the server has been running since last restart",
		2888	},
		2889	"c/mapinfo" => {
		2890	id => "infobox",
		2891	title => "Map Info",
		2892	reply => undef,
		2893	tooltip => "Information related to the maps",
		2894	},
		2895	"c/party" => {
		2896	id => "party",
		2897	title => "Party",
		2898	reply => "gsay ",
		2899	tooltip => "Messages and chat related to your party",
		2900	},
		2901	"c/death" => {
		2902	id => "death",
		2903	title => "Death",
		2904	reply => undef,
		2905	tooltip => "Reason for and more info about your most recent death",
		2906	},
		2907	"c/say" => $SAY_CHANNEL,
		2908	"c/chat" => $CHAT_CHANNEL,
		2909	);
		2910
		2911	sub cf::client::send_msg {
		2912	my ($self, $channel, $msg, $color, @extra) = @_;
		2913
		2914	$msg = $self->pl->expand_cfpod ($msg)
		2915	unless $color & cf::NDI_VERBATIM;
		2916
		2917	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2918
		2919	# check predefined channels, for the benefit of C
		2920	if ($CHANNEL{$channel}) {
		2921	$channel = $CHANNEL{$channel};
		2922
		2923	$self->ext_msg (channel_info => $channel);
		2924	$channel = $channel->{id};
		2925
		2926	} elsif (ref $channel) {
		2927	# send meta info to client, if not yet sent
		2928	unless (exists $self->{channel}{$channel->{id}}) {
		2929	$self->{channel}{$channel->{id}} = $channel;
		2930	$self->ext_msg (channel_info => $channel);
		2931	}
		2932
		2933	$channel = $channel->{id};
		2934	}
		2935
		2936	return unless @extra || length $msg;
		2937
		2938	# default colour, mask it out
		2939	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2940	if $color & cf::NDI_DEF;
		2941
		2942	my $pkt = "msg "
		2943	. $self->{json_coder}->encode (
		2944	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2945	);
		2946
		2947	# try lzf for large packets
		2948	$pkt = "lzf " . Compress::LZF::compress $pkt
		2949	if 1024 <= length $pkt and $self->{can_lzf};
		2950
		2951	# split very large packets
		2952	if (8192 < length $pkt and $self->{can_lzf}) {
		2953	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2954	$pkt = "frag";
		2955	}
		2956
		2957	$self->send_packet ($pkt);
		2958	}
		2959
		2960	=item $client->ext_msg ($type, @msg)
		2961
		2962	Sends an ext event to the client.
		2963
		2964	=cut
		2965
		2966	sub cf::client::ext_msg($$@) {
		2967	my ($self, $type, @msg) = @_;
		2968
		2969	if ($self->extcmd == 2) {
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2971	} elsif ($self->extcmd == 1) { # TODO: remove
		2972	push @msg, msgtype => "event_$type";
		2973	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2974	}
		2975	}
		2976
		2977	=item $client->ext_reply ($msgid, @msg)
		2978
		2979	Sends an ext reply to the client.
		2980
		2981	=cut
		2982
		2983	sub cf::client::ext_reply($$@) {
		2984	my ($self, $id, @msg) = @_;
		2985
		2986	if ($self->extcmd == 2) {
		2987	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2988	} elsif ($self->extcmd == 1) {
		2989	#TODO: version 1, remove
		2990	unshift @msg, msgtype => "reply", msgid => $id;
		2991	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2992	}
		2993	}
2003		2994
2004	=item $success = $client->query ($flags, "text", \&cb)	2995	=item $success = $client->query ($flags, "text", \&cb)
2005		2996
2006	Queues a query to the client, calling the given callback with	2997	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2998	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2999	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3000
2010	Queries can fail, so check the return code. Or don't, as queries will become	3001	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3002	become reliable at some point in the future.
2012		3003
2013	=cut	3004	=cut
2014		3005
2015	sub cf::client::query {	3006	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3007	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3015	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3016	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3017
2027	$self->send_packet ($self->{query_queue}[0][0])	3018	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3019	if @{ $self->{query_queue} } == 1;
		3020
		3021	1
2029	}	3022	}
2030		3023
2031	cf::client->attach (	3024	cf::client->attach (
		3025	on_connect => sub {
		3026	my ($ns) = @_;
		3027
		3028	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3029	},
2032	on_reply => sub {	3030	on_reply => sub {
2033	my ($ns, $msg) = @_;	3031	my ($ns, $msg) = @_;
2034		3032
2035	# this weird shuffling is so that direct followup queries	3033	# this weird shuffling is so that direct followup queries
2036	# get handled first	3034	# get handled first
…		…
2048	} else {	3046	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3048	}
2051	}	3049	}
2052	},	3050	},
		3051	on_exticmd => sub {
		3052	my ($ns, $buf) = @_;
		3053
		3054	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3055
		3056	if (ref $msg) {
		3057	my ($type, $reply, @payload) =
		3058	"ARRAY" eq ref $msg
		3059	? @$msg
		3060	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3061
		3062	my @reply;
		3063
		3064	if (my $cb = $EXTICMD{$type}) {
		3065	@reply = $cb->($ns, @payload);
		3066	}
		3067
		3068	$ns->ext_reply ($reply, @reply)
		3069	if $reply;
		3070
		3071	} else {
		3072	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3073	}
		3074
		3075	cf::override;
		3076	},
2053	);	3077	);
2054		3078
2055	=item $client->async (\&cb)	3079	=item $client->async (\&cb)
2056		3080
2057	Create a new coroutine, running the specified callback. The coroutine will	3081	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3122	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3123	our $safe_hole = new Safe::Hole;
2100		3124
2101	$SIG{FPE} = 'IGNORE';	3125	$SIG{FPE} = 'IGNORE';
2102		3126
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3127	$safe->permit_only (Opcode::opset qw(
		3128	:base_core :base_mem :base_orig :base_math
		3129	grepstart grepwhile mapstart mapwhile
		3130	sort time
		3131	));
2104		3132
2105	# here we export the classes and methods available to script code	3133	# here we export the classes and methods available to script code
2106		3134
2107	=pod	3135	=pod
2108		3136
2109	The following functions and methods are available within a safe environment:	3137	The following functions and methods are available within a safe environment:
2110		3138
2111	cf::object contr pay_amount pay_player map	3139	cf::object
		3140	contr pay_amount pay_player map x y force_find force_add destroy
		3141	insert remove name archname title slaying race decrease split
		3142	value
		3143
2112	cf::object::player player	3144	cf::object::player
2113	cf::player peaceful	3145	player
2114	cf::map trigger	3146
		3147	cf::player
		3148	peaceful
		3149
		3150	cf::map
		3151	trigger
2115		3152
2116	=cut	3153	=cut
2117		3154
2118	for (	3155	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3156	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3157	insert remove inv nrof name archname title slaying race
		3158	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3159	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3160	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3161	["cf::map" => qw(trigger)],
2123	) {	3162	) {
2124	no strict 'refs';	3163	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3164	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3165	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2143	my ($code, %vars) = @_;	3182	my ($code, %vars) = @_;
2144		3183
2145	my $qcode = $code;	3184	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3185	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3186	$qcode =~ s/\n/\\n/g;
		3187
		3188	%vars = (_dummy => 0) unless %vars;
2148		3189
2149	local $_;	3190	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;	3191	local @safe::cf::_safe_eval_args = values %vars;
2151		3192
2152	my $eval =	3193	my $eval =
…		…
2195	=back	3236	=back
2196		3237
2197	=cut	3238	=cut
2198		3239
2199	#############################################################################	3240	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3241	# the server's init and main functions
2273		3242
2274	sub load_facedata {	3243	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3244	my ($path) = @_;
		3245
		3246	# HACK to clear player env face cache, we need some signal framework
		3247	# for this (global event?)
		3248	%ext::player_env::MUSIC_FACE_CACHE = ();
		3249
		3250	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2276		3251
2277	warn "loading facedata from $path\n";	3252	warn "loading facedata from $path\n";
2278		3253
2279	my $faces;	3254	my $facedata;
2280	0 < aio_load $path, $faces	3255	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3256	or die "$path: $!";
2282		3257
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3258	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3259
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3260	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3261	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3262
		3263	# patch in the exptable
		3264	$facedata->{resource}{"res/exp_table"} = {
		3265	type => FT_RSRC,
		3266	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3267	};
		3268	cf::cede_to_tick;
		3269
		3270	{
		3271	my $faces = $facedata->{faceinfo};
		3272
2291	while (my ($face, $info) = each %$faces) {	3273	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3274	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3275
		3276	cf::face::set_visibility $idx, $info->{visibility};
		3277	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3278	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3279	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	Coro::cede;
2297	}
2298		3280
		3281	cf::cede_to_tick;
		3282	}
		3283
2299	while (my ($face, $info) = each %$faces) {	3284	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3285	next unless $info->{smooth};
		3286
2301	my $idx = cf::face::find $face	3287	my $idx = cf::face::find $face
2302	or next;	3288	or next;
		3289
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3290	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3291	cf::face::set_smooth $idx, $smooth;
		3292	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3293	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3295	}
2308	Coro::cede;	3296
		3297	cf::cede_to_tick;
		3298	}
		3299	}
		3300
2309	}	3301	{
		3302	my $anims = $facedata->{animinfo};
		3303
		3304	while (my ($anim, $info) = each %$anims) {
		3305	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3306	cf::cede_to_tick;
		3307	}
		3308
		3309	cf::anim::invalidate_all; # d'oh
		3310	}
		3311
		3312	{
		3313	# TODO: for gcfclient pleasure, we should give resources
		3314	# that gcfclient doesn't grok a >10000 face index.
		3315	my $res = $facedata->{resource};
		3316
		3317	while (my ($name, $info) = each %$res) {
		3318	if (defined $info->{type}) {
		3319	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3320	my $data;
		3321
		3322	if ($info->{type} & 1) {
		3323	# prepend meta info
		3324
		3325	my $meta = $enc->encode ({
		3326	name => $name,
		3327	%{ $info->{meta} || {} },
		3328	});
		3329
		3330	$data = pack "(w/a*)*", $meta, $info->{data};
		3331	} else {
		3332	$data = $info->{data};
		3333	}
		3334
		3335	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3336	cf::face::set_type $idx, $info->{type};
		3337	} else {
		3338	$RESOURCE{$name} = $info;
		3339	}
		3340
		3341	cf::cede_to_tick;
		3342	}
		3343	}
		3344
		3345	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2310		3346
2311	1	3347	1
2312	}	3348	}
2313		3349
		3350	cf::global->attach (on_resource_update => sub {
		3351	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3352	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3353
		3354	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3355	my $sound = $soundconf->{compat}[$_]
		3356	or next;
		3357
		3358	my $face = cf::face::find "sound/$sound->[1]";
		3359	cf::sound::set $sound->[0] => $face;
		3360	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3361	}
		3362
		3363	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3364	my $face = cf::face::find "sound/$v";
		3365	cf::sound::set $k => $face;
		3366	}
		3367	}
		3368	});
		3369
		3370	register_exticmd fx_want => sub {
		3371	my ($ns, $want) = @_;
		3372
		3373	while (my ($k, $v) = each %$want) {
		3374	$ns->fx_want ($k, $v);
		3375	}
		3376	};
		3377
		3378	sub load_resource_file($) {
		3379	my $guard = lock_acquire "load_resource_file";
		3380
		3381	my $status = load_resource_file_ $_[0];
		3382	get_slot 0.1, 100;
		3383	cf::arch::commit_load;
		3384
		3385	$status
		3386	}
		3387
		3388	sub reload_regions {
		3389	# HACK to clear player env face cache, we need some signal framework
		3390	# for this (global event?)
		3391	%ext::player_env::MUSIC_FACE_CACHE = ();
		3392
		3393	load_resource_file "$MAPDIR/regions"
		3394	or die "unable to load regions file\n";
		3395
		3396	for (cf::region::list) {
		3397	$_->{match} = qr/$_->{match}/
		3398	if exists $_->{match};
		3399	}
		3400	}
		3401
		3402	sub reload_facedata {
		3403	load_facedata "$DATADIR/facedata"
		3404	or die "unable to load facedata\n";
		3405	}
		3406
		3407	sub reload_archetypes {
		3408	load_resource_file "$DATADIR/archetypes"
		3409	or die "unable to load archetypes\n";
		3410	}
		3411
		3412	sub reload_treasures {
		3413	load_resource_file "$DATADIR/treasures"
		3414	or die "unable to load treasurelists\n";
		3415	}
		3416
2314	sub reload_resources {	3417	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3418	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3419
2317	load_facedata	3420	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3421	reload_archetypes;
2319	}
2320
2321	sub init {
2322	reload_resources;	3422	reload_regions;
2323	}	3423	reload_treasures;
2324		3424
2325	sub cfg_load {	3425	warn "finished reloading resource files\n";
		3426	}
		3427
		3428	sub reload_config {
		3429	warn "reloading config file...\n";
		3430
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3431	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3432	or return;
2328		3433
2329	local $/;	3434	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3435	*CFG = YAML::XS::Load scalar <$fh>;
2331		3436
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3437	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2333		3438
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3439	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3440	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3444	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2340	and die "WARNING: m(un)lockall failed: $!\n";	3445	and die "WARNING: m(un)lockall failed: $!\n";
2341	};	3446	};
2342	warn $@ if $@;	3447	warn $@ if $@;
2343	}	3448	}
		3449
		3450	warn "finished reloading resource files\n";
		3451	}
		3452
		3453	sub pidfile() {
		3454	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3455	or die "$PIDFILE: $!";
		3456	flock $fh, &Fcntl::LOCK_EX
		3457	or die "$PIDFILE: flock: $!";
		3458	$fh
		3459	}
		3460
		3461	# make sure only one server instance is running at any one time
		3462	sub atomic {
		3463	my $fh = pidfile;
		3464
		3465	my $pid = <$fh>;
		3466	kill 9, $pid if $pid > 0;
		3467
		3468	seek $fh, 0, 0;
		3469	print $fh $$;
		3470	}
		3471
		3472	sub main_loop {
		3473	warn "EV::loop starting\n";
		3474	if (1) {
		3475	EV::loop;
		3476	}
		3477	warn "EV::loop returned\n";
		3478	goto &main_loop unless $REALLY_UNLOOP;
2344	}	3479	}
2345		3480
2346	sub main {	3481	sub main {
		3482	cf::init_globals; # initialise logging
		3483
		3484	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3485	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3486	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3487	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3488
		3489	cf::init_experience;
		3490	cf::init_anim;
		3491	cf::init_attackmess;
		3492	cf::init_dynamic;
		3493
		3494	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3495
2347	# we must not ever block the main coroutine	3496	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3497	local $Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3498	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3499	(async {
2351	Event::one_event;	3500	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3501	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3502	})->prio (Coro::PRIO_MAX);
2353	};	3503	};
2354		3504
2355	cfg_load;	3505	evthread_start IO::AIO::poll_fileno;
		3506
		3507	cf::sync_job {
		3508	reload_resources;
		3509	reload_config;
2356	db_init;	3510	db_init;
		3511
		3512	cf::load_settings;
		3513	cf::load_materials;
		3514	cf::init_uuid;
		3515	cf::init_signals;
		3516	cf::init_commands;
		3517	cf::init_skills;
		3518
		3519	cf::init_beforeplay;
		3520
		3521	atomic;
		3522
2357	load_extensions;	3523	load_extensions;
2358		3524
2359	$TICK_WATCHER->start;	3525	utime time, time, $RUNTIMEFILE;
2360	Event::loop;	3526
		3527	# no (long-running) fork's whatsoever before this point(!)
		3528	use POSIX ();
		3529	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3530
		3531	(pop @POST_INIT)->(0) while @POST_INIT;
		3532	};
		3533
		3534	main_loop;
2361	}	3535	}
2362		3536
2363	#############################################################################	3537	#############################################################################
2364	# initialisation and cleanup	3538	# initialisation and cleanup
2365		3539
2366	# install some emergency cleanup handlers	3540	# install some emergency cleanup handlers
2367	BEGIN {	3541	BEGIN {
		3542	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3543	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3544	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3545	cf::cleanup "SIG$signal";
2376	},
2377	);	3546	};
		3547	}
		3548	}
		3549
		3550	sub write_runtime_sync {
		3551	# first touch the runtime file to show we are still running:
		3552	# the fsync below can take a very very long time.
		3553
		3554	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3555
		3556	my $guard = cf::lock_acquire "write_runtime";
		3557
		3558	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3559	or return;
		3560
		3561	my $value = $cf::RUNTIME + 90 + 10;
		3562	# 10 is the runtime save interval, for a monotonic clock
		3563	# 60 allows for the watchdog to kill the server.
		3564
		3565	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3566	and return;
		3567
		3568	# always fsync - this file is important
		3569	aio_fsync $fh
		3570	and return;
		3571
		3572	# touch it again to show we are up-to-date
		3573	aio_utime $fh, undef, undef;
		3574
		3575	close $fh
		3576	or return;
		3577
		3578	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3579	and return;
		3580
		3581	warn "runtime file written.\n";
		3582
2378	}	3583	1
		3584	}
		3585
		3586	our $uuid_lock;
		3587	our $uuid_skip;
		3588
		3589	sub write_uuid_sync($) {
		3590	$uuid_skip ||= $_[0];
		3591
		3592	return if $uuid_lock;
		3593	local $uuid_lock = 1;
		3594
		3595	my $uuid = "$LOCALDIR/uuid";
		3596
		3597	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3598	or return;
		3599
		3600	my $value = uuid_seq uuid_cur;
		3601
		3602	unless ($value) {
		3603	warn "cowardly refusing to write zero uuid value!\n";
		3604	return;
		3605	}
		3606
		3607	my $value = uuid_str $value + $uuid_skip;
		3608	$uuid_skip = 0;
		3609
		3610	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3611	and return;
		3612
		3613	# always fsync - this file is important
		3614	aio_fsync $fh
		3615	and return;
		3616
		3617	close $fh
		3618	or return;
		3619
		3620	aio_rename "$uuid~", $uuid
		3621	and return;
		3622
		3623	warn "uuid file written ($value).\n";
		3624
		3625	1
		3626
		3627	}
		3628
		3629	sub write_uuid($$) {
		3630	my ($skip, $sync) = @_;
		3631
		3632	$sync ? write_uuid_sync $skip
		3633	: async { write_uuid_sync $skip };
2379	}	3634	}
2380		3635
2381	sub emergency_save() {	3636	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3637	my $freeze_guard = cf::freeze_mainloop;
2383		3638
2384	warn "enter emergency perl save\n";	3639	warn "emergency_perl_save: enter\n";
2385		3640
2386	cf::sync_job {	3641	cf::sync_job {
		3642	# this is a trade-off: we want to be very quick here, so
		3643	# save all maps without fsync, and later call a global sync
		3644	# (which in turn might be very very slow)
		3645	local $USE_FSYNC = 0;
		3646
2387	# use a peculiar iteration method to avoid tripping on perl	3647	# use a peculiar iteration method to avoid tripping on perl
2388	# refcount bugs in for. also avoids problems with players	3648	# refcount bugs in for. also avoids problems with players
2389	# and maps saved/destroyed asynchronously.	3649	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3650	warn "emergency_perl_save: begin player save\n";
2391	for my $login (keys %cf::PLAYER) {	3651	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3652	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3653	$pl->valid or next;
		3654	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3655	$pl->save;
2395	}	3656	}
2396	warn "end emergency player save\n";	3657	warn "emergency_perl_save: end player save\n";
2397		3658
2398	warn "begin emergency map save\n";	3659	warn "emergency_perl_save: begin map save\n";
2399	for my $path (keys %cf::MAP) {	3660	for my $path (keys %cf::MAP) {
2400	my $map = $cf::MAP{$path} or next;	3661	my $map = $cf::MAP{$path} or next;
2401	$map->valid or next;	3662	$map->valid or next;
2402	$map->save;	3663	$map->save;
2403	}	3664	}
2404	warn "end emergency map save\n";	3665	warn "emergency_perl_save: end map save\n";
2405		3666
2406	warn "begin emergency database checkpoint\n";	3667	warn "emergency_perl_save: begin database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3668	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3669	warn "emergency_perl_save: end database checkpoint\n";
		3670
		3671	warn "emergency_perl_save: begin write uuid\n";
		3672	write_uuid_sync 1;
		3673	warn "emergency_perl_save: end write uuid\n";
2409	};	3674	};
2410		3675
		3676	warn "emergency_perl_save: starting sync()\n";
		3677	IO::AIO::aio_sync sub {
		3678	warn "emergency_perl_save: finished sync()\n";
		3679	};
		3680
2411	warn "leave emergency perl save\n";	3681	warn "emergency_perl_save: leave\n";
2412	}	3682	}
2413		3683
2414	sub post_cleanup {	3684	sub post_cleanup {
2415	my ($make_core) = @_;	3685	my ($make_core) = @_;
2416		3686
2417	warn Carp::longmess "post_cleanup backtrace"	3687	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3688	if $make_core;
2419	}
2420		3689
		3690	my $fh = pidfile;
		3691	unlink $PIDFILE if <$fh> == $$;
		3692	}
		3693
		3694	# a safer delete_package, copied from Symbol
		3695	sub clear_package($) {
		3696	my $pkg = shift;
		3697
		3698	# expand to full symbol table name if needed
		3699	unless ($pkg =~ /^main::.*::$/) {
		3700	$pkg = "main$pkg" if $pkg =~ /^::/;
		3701	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3702	$pkg .= '::' unless $pkg =~ /::$/;
		3703	}
		3704
		3705	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3706	my $stem_symtab = *{$stem}{HASH};
		3707
		3708	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3709	or return;
		3710
		3711	# clear all symbols
		3712	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3713	for my $name (keys %$leaf_symtab) {
		3714	_gv_clear *{"$pkg$name"};
		3715	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3716	}
		3717	warn "cleared package $pkg\n";#d#
		3718	}
		3719
2421	sub reload() {	3720	sub do_reload_perl() {
2422	# can/must only be called in main	3721	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3722	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3723	warn "can only reload from main coroutine";
2425	return;	3724	return;
2426	}	3725	}
2427		3726
		3727	return if $RELOAD++;
		3728
		3729	my $t1 = EV::time;
		3730
		3731	while ($RELOAD) {
2428	warn "reloading...";	3732	warn "reloading...";
2429		3733
2430	warn "entering sync_job";	3734	warn "entering sync_job";
2431		3735
2432	cf::sync_job {	3736	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark	3737	cf::write_runtime_sync; # external watchdog should not bark
2434	cf::emergency_save;	3738	cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
2436		3740
2437	warn "syncing database to disk";	3741	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;	3742	BDB::db_env_txn_checkpoint $DB_ENV;
2439		3743
2440	# if anything goes wrong in here, we should simply crash as we already saved	3744	# if anything goes wrong in here, we should simply crash as we already saved
2441		3745
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446
2447	warn "flushing outstanding aio requests";	3746	warn "flushing outstanding aio requests";
2448	for (;;) {
2449	BDB::flush;
2450	IO::AIO::flush;
2451	Coro::cede;
2452	last unless IO::AIO::nreqs || BDB::nreqs;	3747	while (IO::AIO::nreqs || BDB::nreqs) {
2453	warn "iterate...";	3748	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2454	}
2455
2456	++$RELOAD;
2457
2458	warn "cancelling all extension coros";
2459	$_->cancel for values %EXT_CORO;
2460	%EXT_CORO = ();
2461
2462	warn "removing commands";
2463	%COMMAND = ();
2464
2465	warn "removing ext commands";
2466	%EXTCMD = ();
2467
2468	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";
2471
2472	if (my $cb = $pkg->can ("unload")) {
2473	eval {
2474	$cb->($pkg);
2475	1
2476	} or warn "$pkg unloaded, but with errors: $@";
2477	}	3749	}
2478		3750
2479	warn "... nuking $pkg";	3751	warn "cancelling all extension coros";
2480	Symbol::delete_package $pkg;	3752	$_->cancel for values %EXT_CORO;
2481	}	3753	%EXT_CORO = ();
2482		3754
2483	warn "unloading all perl modules loaded from $LIBDIR";	3755	warn "removing commands";
2484	while (my ($k, $v) = each %INC) {	3756	%COMMAND = ();
2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2486		3757
		3758	warn "removing ext/exti commands";
		3759	%EXTCMD = ();
		3760	%EXTICMD = ();
		3761
		3762	warn "unloading/nuking all extensions";
		3763	for my $pkg (@EXTS) {
2487	warn "... unloading $k";	3764	warn "... unloading $pkg";
2488	delete $INC{$k};
2489		3765
2490	$k =~ s/\.pm$//;
2491	$k =~ s/\//::/g;
2492
2493	if (my $cb = $k->can ("unload_module")) {	3766	if (my $cb = $pkg->can ("unload")) {
		3767	eval {
2494	$cb->();	3768	$cb->($pkg);
		3769	1
		3770	} or warn "$pkg unloaded, but with errors: $@";
		3771	}
		3772
		3773	warn "... clearing $pkg";
		3774	clear_package $pkg;
2495	}	3775	}
2496		3776
2497	Symbol::delete_package $k;	3777	warn "unloading all perl modules loaded from $LIBDIR";
		3778	while (my ($k, $v) = each %INC) {
		3779	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3780
		3781	warn "... unloading $k";
		3782	delete $INC{$k};
		3783
		3784	$k =~ s/\.pm$//;
		3785	$k =~ s/\//::/g;
		3786
		3787	if (my $cb = $k->can ("unload_module")) {
		3788	$cb->();
		3789	}
		3790
		3791	clear_package $k;
2498	}	3792	}
2499		3793
2500	warn "getting rid of safe::, as good as possible";	3794	warn "getting rid of safe::, as good as possible";
2501	Symbol::delete_package "safe::$_"	3795	clear_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3796	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3797
2504	warn "unloading cf.pm \"a bit\"";	3798	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3799	delete $INC{"cf.pm"};
		3800	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2506		3801
2507	# don't, removes xs symbols, too,	3802	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3803	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3804	#clear_package __PACKAGE__;
2510		3805
2511	warn "unload completed, starting to reload now";	3806	warn "unload completed, starting to reload now";
2512		3807
2513	warn "reloading cf.pm";	3808	warn "reloading cf.pm";
2514	require cf;	3809	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3810	cf::_connect_to_perl_1;
2516		3811
2517	warn "loading config and database again";	3812	warn "loading config and database again";
2518	cf::cfg_load;	3813	cf::reload_config;
2519		3814
2520	warn "loading extensions";	3815	warn "loading extensions";
2521	cf::load_extensions;	3816	cf::load_extensions;
2522		3817
		3818	if ($REATTACH_ON_RELOAD) {
2523	warn "reattaching attachments to objects/players";	3819	warn "reattaching attachments to objects/players";
2524	_global_reattach; # objects, sockets	3820	_global_reattach; # objects, sockets
2525	warn "reattaching attachments to maps";	3821	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3822	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3823	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3824	reattach $_ for values %PLAYER;
		3825	}
2529		3826
2530	warn "loading reloadable resources";	3827	warn "running post_init jobs";
2531	reload_resources;	3828	(pop @POST_INIT)->(1) while @POST_INIT;
2532		3829
2533	warn "leaving sync_job";	3830	warn "leaving sync_job";
2534		3831
2535	1	3832	1
2536	} or do {	3833	} or do {
2537	warn $@;	3834	warn $@;
2538	warn "error while reloading, exiting.";	3835	cf::cleanup "error while reloading, exiting.";
2539	exit 1;	3836	};
		3837
		3838	warn "reloaded";
		3839	--$RELOAD;
		3840	}
		3841
		3842	$t1 = EV::time - $t1;
		3843	warn "reload completed in ${t1}s\n";
		3844	};
		3845
		3846	our $RELOAD_WATCHER; # used only during reload
		3847
		3848	sub reload_perl() {
		3849	# doing reload synchronously and two reloads happen back-to-back,
		3850	# coro crashes during coro_state_free->destroy here.
		3851
		3852	$RELOAD_WATCHER ||= cf::async {
		3853	Coro::AIO::aio_wait cache_extensions;
		3854
		3855	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3856	do_reload_perl;
		3857	undef $RELOAD_WATCHER;
		3858	};
2540	};	3859	};
2541		3860	}
2542	warn "reloaded";
2543	};
2544
2545	our $RELOAD_WATCHER; # used only during reload
2546		3861
2547	register_command "reload" => sub {	3862	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3863	my ($who, $arg) = @_;
2549		3864
2550	if ($who->flag (FLAG_WIZ)) {	3865	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3866	$who->message ("reloading server.");
2552		3867	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3868	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3869	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3870	};
2565	}	3871	}
2566	};	3872	};
2567		3873
2568	unshift @INC, $LIBDIR;	3874	unshift @INC, $LIBDIR;
2569		3875
2570	my $bug_warning = 0;	3876	my $bug_warning = 0;
2571		3877
2572	$TICK_WATCHER = Event->timer (	3878	our @WAIT_FOR_TICK;
2573	reentrant => 0,	3879	our @WAIT_FOR_TICK_BEGIN;
2574	parked => 1,	3880
2575	prio => 0,	3881	sub wait_for_tick {
2576	at => $NEXT_TICK || $TICK,	3882	return if tick_inhibit || $Coro::current == $Coro::main;
2577	data => WF_AUTOCANCEL,	3883
2578	cb => sub {	3884	my $signal = new Coro::Signal;
		3885	push @WAIT_FOR_TICK, $signal;
		3886	$signal->wait;
		3887	}
		3888
		3889	sub wait_for_tick_begin {
		3890	return if tick_inhibit || $Coro::current == $Coro::main;
		3891
		3892	my $signal = new Coro::Signal;
		3893	push @WAIT_FOR_TICK_BEGIN, $signal;
		3894	$signal->wait;
		3895	}
		3896
		3897	sub tick {
2579	if ($Coro::current != $Coro::main) {	3898	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3899	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3900	unless ++$bug_warning > 10;
2582	return;	3901	return;
2583	}	3902	}
2584		3903
2585	$NOW = Event::time;
2586
2587	cf::server_tick; # one server iteration	3904	cf::server_tick; # one server iteration
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		3905
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3906	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3907	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	3908	Coro::async_pool {
		3909	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	3910	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	3911	or warn "ERROR: unable to write runtime file: $!";
2596	};
2597	}	3912	};
2598
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604
2605	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2607
2608	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;
2610	},	3913	}
2611	);	3914
		3915	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3916	$sig->send;
		3917	}
		3918	while (my $sig = shift @WAIT_FOR_TICK) {
		3919	$sig->send;
		3920	}
		3921
		3922	$LOAD = ($NOW - $TICK_START) / $TICK;
		3923	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3924
		3925	if (0) {
		3926	if ($NEXT_TICK) {
		3927	my $jitter = $TICK_START - $NEXT_TICK;
		3928	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3929	warn "jitter $JITTER\n";#d#
		3930	}
		3931	}
		3932	}
2612		3933
2613	{	3934	{
2614	BDB::max_poll_time $TICK * 0.1;	3935	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	3936
2616	reentrant => 0,
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	3937	BDB::min_parallel 8;
2624		3938	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	3939	$AnyEvent::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		3940
2640	unless ($DB_ENV) {	3941	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	3942	$DB_ENV = BDB::db_env_create;
		3943	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3944	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3945	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3946	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3947	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		3948
2643	cf::sync_job {	3949	cf::sync_job {
2644	eval {	3950	eval {
2645	BDB::db_env_open	3951	BDB::db_env_open
2646	$DB_ENV,	3952	$DB_ENV,
2647	$BDB_ENV_DIR,	3953	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3954	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3955	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3956	0666;
2651		3957
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3958	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	3959	};
2657		3960
2658	cf::cleanup "db_env_open(db): $@" if $@;	3961	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	3962	};
2660	}	3963	}
		3964
		3965	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3966	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3967	};
		3968	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3969	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3970	};
		3971	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3972	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3973	};
2661	}	3974	}
2662		3975
2663	{	3976	{
		3977	# configure IO::AIO
		3978
2664	IO::AIO::min_parallel 8;	3979	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	3980	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	3981	undef $AnyEvent::AIO::WATCHER;
2669	reentrant => 0,
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	3982	}
		3983
		3984	my $_log_backtrace;
		3985
		3986	sub _log_backtrace {
		3987	my ($msg, @addr) = @_;
		3988
		3989	$msg =~ s/\n//;
		3990
		3991	# limit the # of concurrent backtraces
		3992	if ($_log_backtrace < 2) {
		3993	++$_log_backtrace;
		3994	my $perl_bt = Carp::longmess $msg;
		3995	async {
		3996	$Coro::current->{desc} = "abt $msg";
		3997
		3998	my @bt = fork_call {
		3999	@addr = map { sprintf "%x", $_ } @addr;
		4000	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4001	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4002	or die "addr2line: $!";
		4003
		4004	my @funcs;
		4005	my @res = <$fh>;
		4006	chomp for @res;
		4007	while (@res) {
		4008	my ($func, $line) = splice @res, 0, 2, ();
		4009	push @funcs, "[$func] $line";
		4010	}
		4011
		4012	@funcs
		4013	};
		4014
		4015	LOG llevInfo, "[ABT] $perl_bt\n";
		4016	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4017	LOG llevInfo, "[ABT] $_\n" for @bt;
		4018	--$_log_backtrace;
		4019	};
		4020	} else {
		4021	LOG llevInfo, "[ABT] $msg\n";
		4022	LOG llevInfo, "[ABT] [suppressed]\n";
		4023	}
		4024	}
		4025
		4026	# load additional modules
		4027	require "cf/$_.pm" for @EXTRA_MODULES;
		4028	cf::_connect_to_perl_2;
2677		4029
2678	END { cf::emergency_save }	4030	END { cf::emergency_save }
2679		4031
2680	1	4032	1
2681		4033

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