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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 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
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		76
38	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
39		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		79
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		81
47	our %COMMAND = ();	82	our %COMMAND = ();
48	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
49		84
50	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
54		90
55	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	92	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
58		95
59	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	97	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	114	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
69		123
70	our %CFG;	124	our %CFG;
71		125
72	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
74		129
75	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		133
84	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
87	binmode STDOUT;	147	binmode STDOUT;
88	binmode STDERR;	148	binmode STDERR;
89		149
90	# read virtual server time, if available	150	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
95	}	155	}
96		156
97	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	158
99	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		161
104	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
105		163
106	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
107		173
108	#############################################################################	174	#############################################################################
109		175
110	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
111		177
…		…
118	=item $cf::RUNTIME	184	=item $cf::RUNTIME
119		185
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	186	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	187	every server tick.
122		188
123	=item $cf::LIBDIR	189	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		190	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		191	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		192
125	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	194	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		195	unique-items directory, player file directory, random maps directory and
		196	database environment.
127		197
128	=item $cf::NOW	198	=item $cf::NOW
129		199
130	The time of the last (current) server tick.	200	The time of the last (current) server tick.
131		201
132	=item $cf::TICK	202	=item $cf::TICK
133		203
134	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
135		205
		206	=item $cf::LOADAVG
		207
		208	The current CPU load on the server (alpha-smoothed), as a value between 0
		209	(none) and 1 (overloaded), indicating how much time is spent on processing
		210	objects per tick. Healthy values are < 0.5.
		211
		212	=item $cf::LOAD
		213
		214	The raw value load value from the last tick.
		215
136	=item %cf::CFG	216	=item %cf::CFG
137		217
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	219	from wherever your confdir points to.
140		220
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		222
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	224	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
147		238
148	=back	239	=back
149		240
150	=cut	241	=cut
151		242
152	BEGIN {	243	$Coro::State::WARNHOOK = sub {
153	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	244	my $msg = join "", @_;
155	utf8::encode $msg;
156		245
157	$msg .= "\n"	246	$msg .= "\n"
158	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
159		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
160	LOG llevError, $msg;	251	LOG llevError, $msg;
161	};	252	};
162	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
163		267
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	272	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		273	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	274	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		275
171	# we bless all objects into (empty) derived classes to force a method lookup	276	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	277	# within the Safe compartment.
173	for my $pkg (qw(	278	for my $pkg (qw(
174	cf::global cf::attachable	279	cf::global cf::attachable
175	cf::object cf::object::player	280	cf::object cf::object::player
176	cf::client cf::player	281	cf::client cf::player
177	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
178	cf::map cf::party cf::region	284	cf::party cf::region
179	)) {	285	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	287	}
183		288
184	$Event::DIED = sub {	289	$EV::DIED = sub {
185	warn "error in event callback: @_";	290	warn "error in event callback: @_";
186	};	291	};
		292
		293	#############################################################################
187		294
188	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
189		296
190	=over 4	297	=over 4
191		298
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	318	$d
212	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
213	}	320	}
214		321
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
218		323
219	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
220		325
221	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
222		327
223	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
224		329
		330	=cut
		331
		332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		333
		334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
		350
225	=item cf::lock_wait $string	351	=item cf::lock_wait $string
226		352
227	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
228		354
229	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
230		356
231	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
234	returned.	360	returned.
235		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
236	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
238		367
239	=cut	368	=item $locked = cf::lock_active $string
240		369
241	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
242		375
243	sub lock_wait($) {	376	sub lock_wait($) {
244	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	378	}
252		379
253	sub lock_acquire($) {	380	sub lock_acquire($) {
254	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
255		383
256	# wait, to be sure we are not locked	384	sub lock_active($) {
257	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	386	}
266		387
267	sub freeze_mainloop {	388	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
269		390
270	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	392	}
		393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
272	};	452	}
273	$TICK_WATCHER->stop;	453	};
274	$guard	454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
275	}	467	}
276		468
277	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
278		470
279	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		476
285	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
286		478
287	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
288		480
289	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
292		485
293	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
296	fast or be very important.	489	fast or be very important.
…		…
299		492
300	sub sync_job(&) {	493	sub sync_job(&) {
301	my ($job) = @_;	494	my ($job) = @_;
302		495
303	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
304	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
306		501
307	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	503
309	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
310		505
311	my $busy = 1;	506	my $busy = 1;
312	my @res;	507	my @res;
313		508
314	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	511	@res = eval { $job->() };
316	warn $@ if $@;	512	warn $@ if $@;
317	undef $busy;	513	undef $busy;
318	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
319		515
320	while ($busy) {	516	while ($busy) {
321	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
322	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
323		527
324	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
325	} else {	529	} else {
326	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
327		531
…		…
347	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
348		552
349	$coro	553	$coro
350	}	554	}
351		555
352	sub write_runtime {	556	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		557
355	my $runtime = cf::localdir . "/runtime";	558	Executes the given code block with the given arguments in a seperate
		559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
356		562
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	=cut
358	or return;
359		564
360	my $value = $cf::RUNTIME + 90 + 10;	565	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	566	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		567
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	568	# we seemingly have to make a local copy of the whole thing,
365	and return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
366		571
367	# always fsync - this file is important	572	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	573	reset_signals;
369	and return;	574	&$cb
		575	}, @args;
370		576
371	close $fh	577	wantarray ? @res : $res[-1]
372	or return;	578	}
373		579
374	aio_rename "$runtime~", $runtime	580	=item $coin = coin_from_name $name
375	and return;
376		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
		606
		607	=item $value = cf::db_get $family => $key
		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
		634	};
		635	cf::cleanup "db_open(db): $@" if $@;
		636
		637	$db
		638	}
		639
		640	our $DB;
		641
		642	sub db_init {
		643	cf::sync_job {
		644	$DB ||= db_table "db";
		645	};
		646	}
		647
		648	sub db_get($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
377	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
378	}	732	}
379		733
380	=item cf::datalog type => key => value, ...	734	=item cf::datalog type => key => value, ...
381		735
382	Log a datalog packet of the given type with the given key-value pairs.	736	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		748
395	#############################################################################	749	#############################################################################
396		750
397	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
398		752
399	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
402		756
403	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	759	Deliantra).
406		760
407	=over 4	761	=over 4
408		762
409	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
410		764
…		…
454	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
455		809
456	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
458		812
459	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
461		815
462	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
463		817
464	=over 4	818	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
574		928
575	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		933
580	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	935	my $pkg = shift @arg;
582		936
583	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
613	}	967	}
614		968
615	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
616	} else {	970	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	972	}
619		973
620	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
621	}	975	}
622		976
…		…
624	if (ref $_[0]) {	978	if (ref $_[0]) {
625	_object_attach @_;	979	_object_attach @_;
626	} else {	980	} else {
627	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
628	}	982	}
		983	_recalc_want;
629	};	984	};
630		985
631	# all those should be optimised	986	# all those should be optimised
632	sub cf::attachable::detach {	987	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
637	reattach ($obj);	992	reattach ($obj);
638	} else {	993	} else {
639	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
640	}	995	}
		996	_recalc_want;
641	};	997	};
642		998
643	sub cf::attachable::attached {	999	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
645		1001
…		…
660	";	1016	";
661	die if $@;	1017	die if $@;
662	}	1018	}
663		1019
664	our $override;	1020	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1022
667	sub override {	1023	sub override {
668	$override = 1;	1024	$override = 1;
669	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
670	}	1026	}
671		1027
672	sub do_invoke {	1028	sub do_invoke {
673	my $event = shift;	1029	my $event = shift;
674	my $callbacks = shift;	1030	my $callbacks = shift;
675		1031
676	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
677		1033
678	local $override;	1034	local $override;
679		1035
680	for (@$callbacks) {	1036	for (@$callbacks) {
681	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
690	}	1046	}
691		1047
692	0	1048	0
693	}	1049	}
694		1050
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1052
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1054
699	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
700		1056
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1060
705	=back	1061	=back
706		1062
707	=cut	1063	=cut
708		1064
709	#############################################################################	1065	#############################################################################
710	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
711		1109
712	sub reattach {	1110	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1112	my ($obj) = @_;
715		1113
		1114	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1116
718	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
719		1118
720	@$registry = ();	1119	@$registry = ();
721		1120
…		…
736	cf::attachable->attach (	1135	cf::attachable->attach (
737	prio => -1000000,	1136	prio => -1000000,
738	on_instantiate => sub {	1137	on_instantiate => sub {
739	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
740		1139
741	$data = from_json $data;	1140	$data = decode_json $data;
742		1141
743	for (@$data) {	1142	for (@$data) {
744	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
745		1144
746	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1161	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
764		1163
765	sync_job {	1164	sync_job {
766	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
769		1169
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	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;
		1175	aio_fsync $fh;
		1176	}
774	close $fh;	1177	aio_close $fh;
775		1178
776	if (@$objs) {	1179	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
782	close $fh;	1188	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
784	}	1190	}
785	} else {	1191	} else {
786	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
787	}	1193	}
788		1194
789	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1199	} else {
791	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
792	}	1201	}
793	} else {	1202	} else {
794	aio_unlink $filename;	1203	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
796	}	1205	}
797	}	1206	};
798	}	1207	}
799		1208
800	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
802		1211
…		…
814	or return;	1223	or return;
815		1224
816	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
818	or return;	1227	or return;
		1228
819	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
820	}	1231	}
821		1232
		1233	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
824	return ($data, $av);	1237	($data, $av)
825	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
826		1245
827	#############################################################################	1246	#############################################################################
828	# command handling &c	1247	# command handling &c
829		1248
830	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1263	}
845		1264
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1266
848	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
849		1272
850	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
851	called.	1274	called.
852		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
853	=cut	1287	=cut
854		1288
855	sub register_extcmd {	1289	sub register_extcmd {
856	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
857		1291
858	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
859	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
860		1302
861	cf::player->attach (	1303	cf::player->attach (
862	on_command => sub {	1304	on_command => sub {
863	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
864		1306
…		…
872	cf::override;	1314	cf::override;
873	},	1315	},
874	on_extcmd => sub {	1316	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
876		1318
877	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1320
879	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
885	} else {	1336	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1338	}
888		1339
889	cf::override;	1340	cf::override;
890	},	1341	},
891	);	1342	);
892		1343
		1344	# "readahead" all extensions
893	sub load_extension {	1345	sub cache_extensions {
894	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
895		1347
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1351	}
921	die $@;
922	}	1352	};
923		1353
924	push @EXTS, $pkg;	1354	$grp
925	}	1355	}
926		1356
927	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
928	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1362	next unless -r $path;
930	eval {	1363
931	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
932	1	1420	}
933	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
934	}	1426	};
935	}	1427	}
936		1428
937	#############################################################################	1429	#############################################################################
938		1430
		1431	=back
		1432
939	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
940		1434
941	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
942		1436
943	=cut	1437	=cut
944		1438
945	package cf::player;	1439	package cf::player;
946		1440
…		…
948		1442
949	=head3 cf::player	1443	=head3 cf::player
950		1444
951	=over 4	1445	=over 4
952		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
		1460
953	=item cf::player::find $login	1461	=item cf::player::find $login
954		1462
955	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
956		1464
957	=cut	1465	=cut
958		1466
959	sub playerdir($) {	1467	sub playerdir($) {
960	cf::localdir	1468	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1470	}
966		1471
967	sub path($) {	1472	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1483
979	sub exists($) {	1484	sub exists($) {
980	my ($login) = @_;	1485	my ($login) = @_;
981		1486
982	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
984	}	1489	}
985		1490
986	sub find($) {	1491	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1493	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1503	aio_unlink +(playerdir $login) . "/$login.pl";
999		1504
1000	my $pl = load_pl path $login	1505	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1003	}	1514	}
1004	}	1515	}
1005	}	1516	}
1006		1517
…		…
1015	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1016		1527
1017	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1019		1530
		1531	cf::get_slot 0.01;
		1532
1020	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1021	Coro::cede;	1534	cf::cede_to_tick;
1022	}	1535	}
1023		1536
1024	sub new($) {	1537	sub new($) {
1025	my ($login) = @_;	1538	my ($login) = @_;
1026		1539
…		…
1032	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1033		1546
1034	$self	1547	$self
1035	}	1548	}
1036		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1037	=item $pl->quit_character	1560	=item $pl->quit_character
1038		1561
1039	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1041		1564
…		…
1045	my ($pl) = @_;	1568	my ($pl) = @_;
1046		1569
1047	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1048		1571
1049	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1574
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1056		1581
1057	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1089		1614
1090	=cut	1615	=cut
1091		1616
1092	sub list_logins {	1617	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1619	or return [];
1095		1620
1096	my @logins;	1621	my @logins;
1097		1622
1098	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1102		1633
1103	utf8::decode $login;	1634	utf8::decode $login;
1104	push @logins, $login;	1635	push @logins, $login;
1105	}	1636	}
1106		1637
…		…
1133	}	1664	}
1134		1665
1135	\@paths	1666	\@paths
1136	}	1667	}
1137		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1138	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1139		1674
1140	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1141		1676
1142	=cut	1677	=cut
1143		1678
1144	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1146		1681
1147	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1683	}
1151		1684
1152	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1153		1686
1154	Sends an ext event to the client.	1687	Sends an ext event to the client.
1155		1688
1156	=cut	1689	=cut
1157		1690
1158	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1160		1693
1161	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1162	}	1695	}
1163		1696
1164	package cf;	1697	=head3 cf::region
		1698
		1699	=over 4
		1700
		1701	=cut
		1702
		1703	package cf::region;
		1704
		1705	=item cf::region::find_by_path $path
		1706
		1707	Tries to decuce the likely region for a map knowing only its path.
		1708
		1709	=cut
		1710
		1711	sub find_by_path($) {
		1712	my ($path) = @_;
		1713
		1714	my ($match, $specificity);
		1715
		1716	for my $region (list) {
		1717	if ($region->{match} && $path =~ $region->{match}) {
		1718	($match, $specificity) = ($region, $region->specificity)
		1719	if $region->specificity > $specificity;
		1720	}
		1721	}
		1722
		1723	$match
		1724	}
1165		1725
1166	=back	1726	=back
1167
1168		1727
1169	=head3 cf::map	1728	=head3 cf::map
1170		1729
1171	=over 4	1730	=over 4
1172		1731
…		…
1184	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1186		1745
1187	sub generate_random_map {	1746	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1189	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1752	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1228		1790
1229	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1230	local $self->{path};	1792	local $self->{path};
1231	local $self->{load_path};	1793	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1794
1235	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1236	}	1796	}
1237		1797
1238	sub normalise {	1798	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1286	return $self;	1846	return $self;
1287	}	1847	}
1288	}	1848	}
1289		1849
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1851	()
1292	}	1852	}
1293		1853
1294	sub init {	1854	sub init {
1295	my ($self) = @_;	1855	my ($self) = @_;
…		…
1310		1870
1311	# the original (read-only) location	1871	# the original (read-only) location
1312	sub load_path {	1872	sub load_path {
1313	my ($self) = @_;	1873	my ($self) = @_;
1314		1874
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1875	"$MAPDIR/$self->{path}.map"
1316	}	1876	}
1317		1877
1318	# the temporary/swap location	1878	# the temporary/swap location
1319	sub save_path {	1879	sub save_path {
1320	my ($self) = @_;	1880	my ($self) = @_;
1321		1881
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1883	"$TMPDIR/$path.map"
1324	}	1884	}
1325		1885
1326	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1327	sub uniq_path {	1887	sub uniq_path {
1328	my ($self) = @_;	1888	my ($self) = @_;
1329		1889
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1891	"$UNIQUEDIR/$path"
1332	}	1892	}
1333		1893
1334	# and all this just because we cannot iterate over	1894	sub decay_objects {
1335	# all maps in C++...
1336	sub change_all_map_light {
1337	my ($change) = @_;	1895	my ($self) = @_;
1338		1896
1339	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1340	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1341	}	1900	}
1342		1901
1343	sub unlink_save {	1902	sub unlink_save {
1344	my ($self) = @_;	1903	my ($self) = @_;
1345		1904
…		…
1350		1909
1351	sub load_header_from($) {	1910	sub load_header_from($) {
1352	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1353		1912
1354	utf8::encode $path;	1913	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1360		1922
1361	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1362		1924
1363	1	1925	1
1364	}	1926	}
…		…
1403	$self->load_header_orig	1965	$self->load_header_orig
1404	or return;	1966	or return;
1405	$self->prepare_orig;	1967	$self->prepare_orig;
1406	}	1968	}
1407		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1408	1	1976	1
1409	}	1977	}
1410		1978
1411	sub find;	1979	sub find;
1412	sub find {	1980	sub find {
1413	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1414		1982
1415	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1416		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1418		1987
1419	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";
1421	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1422	or return;	1990	or return;
1423		1991
1424	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1425		1993
1426	$map->load_header	1994	$map->load_header
1427	or return;	1995	or return;
1428		1996
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1432	$map->reset;	2002	$map->reset;
1433	undef $guard;
1434	return find $path;	2003	return find $path;
1435	}	2004	}
1436		2005
1437	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1438	}	2007	}
…		…
1445	my ($self) = @_;	2014	my ($self) = @_;
1446		2015
1447	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1448		2017
1449	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1451		2022
		2023	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2025
1454	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1455		2027
1456	$self->alloc;	2028	$self->alloc;
1457		2029
1458	$self->pre_load;	2030	$self->pre_load;
		2031	cf::cede_to_tick;
1459		2032
1460	$self->_load_objects ($self->{load_path}, 1)	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
		2035	$self->_load_objects ($f)
1461	or return;	2036	or return;
1462		2037
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1464	if delete $self->{load_original};	2039	if delete $self->{load_original};
1465		2040
1466	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2042	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2045	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1471	}	2049	}
1472	}	2050	}
1473		2051
1474	Coro::cede;	2052	$f->resolve_delayed_derefs;
1475		2053
		2054	cf::cede_to_tick;
1476	# now do the right thing for maps	2055	# now do the right thing for maps
1477	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2058	unless $self->difficulty;
1487	Coro::cede;	2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1488	$self->activate;	2066	$self->activate;
		2067	}
		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
		2072	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2073	}
1490		2074
1491	$self->post_load;	2075	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2076	}
1495		2077
1496	sub customise_for {	2078	sub customise_for {
1497	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1498		2080
1499	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2082	if $self->per_player;
1501		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1502	$self	2087	$self
1503	}	2088	}
1504		2089
1505	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2091	sub load_neighbours {
1507	my ($map) = @_;	2092	my ($map) = @_;
1508		2093
1509	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1510		2095
1511	for (0 .. 3) {	2096	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1513	or next;	2098	or next;
1514	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1515	or next;	2100	or next;
1516	$neigh->load;	2101	$neigh->load;
1517		2102
		2103	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2106	}
1521		2107
1522	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1524	or next;	2111	or next;
1525	$neigh->load;	2112	$neigh->load;
1526	}	2113	}
1527	}	2114	}
1528		2115
…		…
1533	}	2120	}
1534		2121
1535	sub do_load_sync {	2122	sub do_load_sync {
1536	my ($map) = @_;	2123	my ($map) = @_;
1537		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1538	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1539	}	2129	}
1540		2130
1541	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1543		2133
1544	sub find_async {	2134	sub find_async {
1545	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1546		2136
1547	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1548		2138
1549	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2141	}
1552		2142
1553	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1554	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1555	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2150	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2151	$map->load if $v;
		2152	}
1560		2153
1561	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1562	}	2155	}
1563	}	2156	}
1564	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1565	};	2158	};
1566	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2162	}
1570		2163
1571	sub save {	2164	sub save {
1572	my ($self) = @_;	2165	my ($self) = @_;
1573		2166
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2168
1576	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1577		2170
1578	return unless $self->dirty;	2171	return unless $self->dirty;
1579		2172
…		…
1585	return if $self->{deny_save};	2178	return if $self->{deny_save};
1586		2179
1587	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1588		2181
1589	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1591	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1592		2188
1593	if ($uniq) {	2189	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2192	} else {
…		…
1602	my ($self) = @_;	2198	my ($self) = @_;
1603		2199
1604	# save first because save cedes	2200	# save first because save cedes
1605	$self->save;	2201	$self->save;
1606		2202
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2204
1609	return if $self->players;	2205	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2207	return if $self->{deny_save};
1612		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2213	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2214	}
1616		2215
1617	sub reset_at {	2216	sub reset_at {
1618	my ($self) = @_;	2217	my ($self) = @_;
1619		2218
1620	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1623		2221
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2224
…		…
1637	my ($self) = @_;	2235	my ($self) = @_;
1638		2236
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2238
1641	return if $self->players;	2239	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2240
1644	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1645		2242
1646	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1647		2244
1648	# need to save uniques path	2245	# need to save uniques path
1649	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2250	if $uniq;
1654	}	2251	}
1655		2252
1656	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1657		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2257	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2258
1662	$self->unlink_save;	2259	$self->unlink_save;
1663	$self->destroy;	2260	$self->destroy;
1664	}	2261	}
1665		2262
1666	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1667		2264
1668	sub nuke {	2265	sub nuke {
1669	my ($self) = @_;	2266	my ($self) = @_;
1670		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1671	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1672		2272
1673	$self->unlink_save;	2273	$self->unlink_save;
1674		2274
1675	bless $self, "cf::map";	2275	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2280
1681	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1682		2283
1683	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
		2285	}
		2286
		2287	=item $maps = cf::map::tmp_maps
		2288
		2289	Returns an arrayref with all map paths of currently instantiated and saved
		2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
		2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
		2304
		2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1684	}	2321	}
1685		2322
1686	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1687		2324
1688	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2326	instantiated unique items. May block.
1690		2327
1691	=cut	2328	=cut
1692		2329
1693	sub unique_maps() {	2330	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1695	or return;	2332	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2333	utf8::decode $_;
1701	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2336	? ()
1704	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2339	]
1706
1707	\@paths
1708	}	2340	}
1709
1710	package cf;
1711		2341
1712	=back	2342	=back
1713		2343
1714	=head3 cf::object	2344	=head3 cf::object
1715		2345
…		…
1719		2349
1720	=over 4	2350	=over 4
1721		2351
1722	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1723		2353
1724	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1725		2356
1726	=cut	2357	=cut
1727		2358
1728	sub inv_recursive_;	2359	sub inv_recursive_;
1729	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1732		2363
1733	sub inv_recursive {	2364	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1735	}	2366	}
1736		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1737	package cf;	2396	package cf;
1738		2397
1739	=back	2398	=back
1740		2399
1741	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1750		2409
1751	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1752		2425
1753	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2427	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1758		2431
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2433
1761	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1763	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1766	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1767	}	2459	}
1768		2460
1769	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1770		2462
1771	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1784		2476
1785	=item $player_object->enter_link	2477	=item $player_object->enter_link
1786		2478
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2480
1789	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
1791		2485
1792	Will never block.	2486	Will never block.
1793		2487
1794	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1795		2489
…		…
1818	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1819		2513
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2515
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1824		2518
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2520	}
1827		2521
1828	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1830		2526
1831	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1832		2528
1833	unless ($map) {	2529	unless ($map) {
1834	# restore original map position	2530	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1851		2547
1852	$map->load;	2548	$map->load;
1853	$map->load_diag;	2549	$map->load_neighbours;
1854		2550
1855	return unless $self->contr->active;	2551	return unless $self->contr->active;
1856	$self->activate_recursive;
1857		2552
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1860	}
1861		2555
1862	cf::player->attach (	2556	# only activate afterwards, to support waiting in hooks
1863	on_logout => sub {	2557	$self->activate_recursive;
1864	my ($pl) = @_;	2558	}
1865		2559
1866	# abort map switching before logout	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1867	if ($pl->ob->{_link_pos}) {
1868	cf::sync_job {
1869	$pl->ob->leave_link
1870	};
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2561
1876	# try to abort aborted map switching on player login :)	2562	Moves the player to the given map-path and coordinates by first freezing
1877	# should happen only on crashes	2563	her, loading and preparing them map, calling the provided $check callback
1878	if ($pl->ob->{_link_pos}) {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1879	$pl->ob->enter_link;	2565	the new (success) or old (failed) map position. In either case, $done will
1880	(async {	2566	be called at the end of this process.
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2567
1894	=item $player_object->goto ($path, $x, $y)	2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
1895		2570
1896	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1897		2574
1898	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
		2577
		2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2580
1901	$self->enter_link;	2581	$self->enter_link;
1902		2582
1903	(async {	2583	(async {
		2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
1904	my $map = eval {	2605	my $map = eval {
1905	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
		2610	$map = $check->($map) if $check && $map;
		2611	} else {
		2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
		2614
1907	$map	2615	$map
		2616	};
		2617
		2618	if ($@) {
		2619	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2620	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2621	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1912	})->prio (1);	2629	})->prio (1);
1913	}	2630	}
1914		2631
1915	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1916		2633
…		…
1936	}	2653	}
1937		2654
1938	sub prepare_random_map {	2655	sub prepare_random_map {
1939	my ($exit) = @_;	2656	my ($exit) = @_;
1940		2657
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2660	# that depends on the exit object
1946		2661
1947	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2664	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1954	}	2671	}
1955		2672
1956	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1957		2674
1958	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
1961		2678
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2681	undef $fh;
1965	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
1966		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1969	}	2690	}
1970	}	2691	}
1971		2692
1972	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
1974		2695
1975	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1976		2697
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2698	$self->enter_link;
1989		2699
1990	(async {	2700	(async {
1991	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1992	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
1993	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
1994		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
1995	1;	2724	1
1996	}) {	2725	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2730
2002	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2021		2750
2022	utf8::encode $text;	2751	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2753	}
2025		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
2026	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2027		2916
2028	Sends an exti event to the client.	2917	Sends an ext event to the client.
2029		2918
2030	=cut	2919	=cut
2031		2920
2032	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2034		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
2037	}	2948	}
2038		2949
2039	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2040		2951
2041	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2955
2045	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2957	become reliable at some point in the future.
2047		2958
2048	=cut	2959	=cut
2049		2960
2050	sub cf::client::query {	2961	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2970	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2972
2062	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2064	}	2977	}
2065		2978
2066	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
2067	on_reply => sub {	2985	on_reply => sub {
2068	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2069		2987
2070	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2071	# get handled first	2989	# get handled first
…		…
2083	} else {	3001	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3003	}
2086	}	3004	}
2087	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
2088	);	3032	);
2089		3033
2090	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2091		3035
2092	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2135		3079
2136	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2137		3081
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2139		3087
2140	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2141		3089
2142	=pod	3090	=pod
2143		3091
2144	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2145		3093
2146	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2147	cf::object::player player	3099	cf::object::player
2148	cf::player peaceful	3100	player
2149	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2150		3107
2151	=cut	3108	=cut
2152		3109
2153	for (	3110	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2155	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2157	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2158	) {	3117	) {
2159	no strict 'refs';	3118	no strict 'refs';
2160	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2161	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2178	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2179		3138
2180	my $qcode = $code;	3139	my $qcode = $code;
2181	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2182	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2183		3144
2184	local $_;	3145	local $_;
2185	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2186		3147
2187	my $eval =	3148	my $eval =
…		…
2230	=back	3191	=back
2231		3192
2232	=cut	3193	=cut
2233		3194
2234	#############################################################################	3195	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3196	# the server's init and main functions
2308		3197
2309	sub load_facedata {	3198	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3206
2312	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2313		3208
2314	my $facedata;	3209	my $facedata;
2315	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2319		3214
2320	$facedata->{version} == 2	3215	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2323	{	3225	{
2324	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2325		3227
2326	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3235
		3236	cf::cede_to_tick;
2332	}	3237	}
2333		3238
2334	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2336	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2337	or next;	3243	or next;
		3244
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3248	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3250	}
2343	Coro::cede;	3251
		3252	cf::cede_to_tick;
2344	}	3253	}
2345	}	3254	}
2346		3255
2347	{	3256	{
2348	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2349		3258
2350	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3261	cf::cede_to_tick;
2353	}	3262	}
2354		3263
2355	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2356	}	3265	}
2357		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2358	1	3302	1
2359	}	3303	}
2360		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
2361	sub reload_resources {	3372	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3373	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3374
2364	load_facedata	3375	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3376	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3377	reload_regions;
2370	}	3378	reload_treasures;
2371		3379
2372	sub cfg_load {	3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3385	or return;
2375		3386
2376	local $/;	3387	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2378		3389
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3391
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3399	};
2389	warn $@ if $@;	3400	warn $@ if $@;
2390	}	3401	}
2391	}	3402	}
2392		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
2393	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2394	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3450	(async {
2398	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2400	};	3454	};
2401		3455
2402	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2403	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2404	load_extensions;	3474	load_extensions;
2405		3475
2406	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2408	}	3486	}
2409		3487
2410	#############################################################################	3488	#############################################################################
2411	# initialisation and cleanup	3489	# initialisation and cleanup
2412		3490
2413	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2414	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2423	},
2424	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2425	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2426	}	3585	}
2427		3586
2428	sub emergency_save() {	3587	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2430		3589
2431	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2432		3591
2433	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2434	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3606	$pl->save;
2442	}	3607	}
2443	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2444		3609
2445	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3613	$map->valid or next;
2449	$map->save;	3614	$map->save;
2450	}	3615	}
2451	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2452		3617
2453	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2456	};	3625	};
2457		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2458	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2459	}	3633	}
2460		3634
2461	sub post_cleanup {	3635	sub post_cleanup {
2462	my ($make_core) = @_;	3636	my ($make_core) = @_;
2463		3637
2464	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3639	if $make_core;
2466	}
2467		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
		3669	}
		3670
2468	sub reload() {	3671	sub do_reload_perl() {
2469	# can/must only be called in main	3672	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2472	return;	3675	return;
2473	}	3676	}
2474		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2475	warn "reloading...";	3683	warn "reloading...";
2476		3684
2477	warn "entering sync_job";	3685	warn "entering sync_job";
2478		3686
2479	cf::sync_job {	3687	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3689	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2483		3691
2484	warn "syncing database to disk";	3692	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3694
2487	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2488		3696
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3700	}
2525		3701
2526	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2528	}	3704	%EXT_CORO = ();
2529		3705
2530	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3715	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3716
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2541	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2542	}	3726	}
2543		3727
2544	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2545	}	3743	}
2546		3744
2547	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3748
2551	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3752
2554	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3754	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2557		3756
2558	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2559		3758
2560	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2561	require cf;	3760	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3762
2564	warn "loading config and database again";	3763	warn "loading config and database again";
2565	cf::cfg_load;	3764	cf::reload_config;
2566		3765
2567	warn "loading extensions";	3766	warn "loading extensions";
2568	cf::load_extensions;	3767	cf::load_extensions;
2569		3768
		3769	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2576		3777
2577	warn "loading reloadable resources";	3778	warn "running post_init jobs";
2578	reload_resources;	3779	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3780
2580	warn "leaving sync_job";	3781	warn "leaving sync_job";
2581		3782
2582	1	3783	1
2583	} or do {	3784	} or do {
2584	warn $@;	3785	warn $@;
2585	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3787	};
		3788
		3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
		3795	};
		3796
		3797	our $RELOAD_WATCHER; # used only during reload
		3798
		3799	sub reload_perl() {
		3800	# doing reload synchronously and two reloads happen back-to-back,
		3801	# coro crashes during coro_state_free->destroy here.
		3802
		3803	$RELOAD_WATCHER ||= cf::async {
		3804	Coro::AIO::aio_wait cache_extensions;
		3805
		3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3807	do_reload_perl;
		3808	undef $RELOAD_WATCHER;
		3809	};
2587	};	3810	};
2588		3811	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3812
2594	register_command "reload" => sub {	3813	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2596		3815
2597	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
2599		3818	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3819	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3820	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3821	};
2612	}	3822	}
2613	};	3823	};
2614		3824
2615	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2616		3826
2617	my $bug_warning = 0;	3827	my $bug_warning = 0;
2618		3828
2619	$TICK_WATCHER = Event->timer (	3829	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3830	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3831
2622	prio => 0,	3832	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3834
2625	cb => sub {	3835	my $signal = new Coro::Signal;
		3836	push @WAIT_FOR_TICK, $signal;
		3837	$signal->wait;
		3838	}
		3839
		3840	sub wait_for_tick_begin {
		3841	return if tick_inhibit || $Coro::current == $Coro::main;
		3842
		3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK_BEGIN, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub tick {
2626	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2629	return;	3852	return;
2630	}	3853	}
2631		3854
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3856
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3859	Coro::async_pool {
		3860	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3861	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3863	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3864	}
2658	);	3865
		3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3867	$sig->send;
		3868	}
		3869	while (my $sig = shift @WAIT_FOR_TICK) {
		3870	$sig->send;
		3871	}
		3872
		3873	$LOAD = ($NOW - $TICK_START) / $TICK;
		3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3875
		3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
		3882	}
		3883	}
2659		3884
2660	{	3885	{
2661	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3887
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2671		3889	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3891
2687	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3899
2690	cf::sync_job {	3900	cf::sync_job {
2691	eval {	3901	eval {
2692	BDB::db_env_open	3902	BDB::db_env_open
2693	$DB_ENV,	3903	$DB_ENV,
2694	$BDB_ENV_DIR,	3904	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3907	0666;
2698		3908
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3910	};
2704		3911
2705	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3913	};
2707	}	3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
2708	}	3925	}
2709		3926
2710	{	3927	{
		3928	# configure IO::AIO
		3929
2711	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3933	}
		3934
		3935	my $_log_backtrace;
		3936
		3937	sub _log_backtrace {
		3938	my ($msg, @addr) = @_;
		3939
		3940	$msg =~ s/\n//;
		3941
		3942	# limit the # of concurrent backtraces
		3943	if ($_log_backtrace < 2) {
		3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
		3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
		3949	my @bt = fork_call {
		3950	@addr = map { sprintf "%x", $_ } @addr;
		3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3953	or die "addr2line: $!";
		3954
		3955	my @funcs;
		3956	my @res = <$fh>;
		3957	chomp for @res;
		3958	while (@res) {
		3959	my ($func, $line) = splice @res, 0, 2, ();
		3960	push @funcs, "[$func] $line";
		3961	}
		3962
		3963	@funcs
		3964	};
		3965
		3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3968	LOG llevInfo, "[ABT] $_\n" for @bt;
		3969	--$_log_backtrace;
		3970	};
		3971	} else {
		3972	LOG llevInfo, "[ABT] $msg\n";
		3973	LOG llevInfo, "[ABT] [suppressed]\n";
		3974	}
		3975	}
		3976
		3977	# load additional modules
		3978	require "cf/$_.pm" for @EXTRA_MODULES;
2724		3979
2725	END { cf::emergency_save }	3980	END { cf::emergency_save }
2726		3981
2727	1	3982	1
2728		3983

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