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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		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";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
46		95
47	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		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(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	114	our $NEXT_TICK;
50	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
51		123
52	our %CFG;	124	our %CFG;
53		125
54	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
56		129
57	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		133
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $REALLY_UNLOOP; # never set to true, please :)
		146
68	binmode STDOUT;	147	binmode STDOUT;
69	binmode STDERR;	148	binmode STDERR;
70		149
71	# read virtual server time, if available	150	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
76	}	155	}
77		156
78	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	158
80	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		161
84	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
		163
		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	}
85		173
86	#############################################################################	174	#############################################################################
87		175
88	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
89		177
…		…
96	=item $cf::RUNTIME	184	=item $cf::RUNTIME
97		185
98	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
99	every server tick.	187	every server tick.
100		188
101	=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
102		192
103	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		197
106	=item $cf::NOW	198	=item $cf::NOW
107		199
108	The time of the last (current) server tick.	200	The time of the last (current) server tick.
109		201
110	=item $cf::TICK	202	=item $cf::TICK
111		203
112	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	216	=item %cf::CFG
115		217
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	219	from wherever your confdir points to.
118		220
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		222
121	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
122	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
123	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.
124	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.
125		238
126	=back	239	=back
127		240
128	=cut	241	=cut
129		242
130	BEGIN {	243	$Coro::State::WARNHOOK = sub {
131	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	244	my $msg = join "", @_;
133	utf8::encode $msg;
134		245
135	$msg .= "\n"	246	$msg .= "\n"
136	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
137		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
138	LOG llevError, $msg;	251	LOG llevError, $msg;
139	};	252	};
140	}	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	};
141		267
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		275
149	# 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
150	# within the Safe compartment.	277	# within the Safe compartment.
151	for my $pkg (qw(	278	for my $pkg (qw(
152	cf::global cf::attachable	279	cf::global cf::attachable
153	cf::object cf::object::player	280	cf::object cf::object::player
154	cf::client cf::player	281	cf::client cf::player
155	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
156	cf::map cf::party cf::region	284	cf::party cf::region
157	)) {	285	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	287	}
161		288
162	$Event::DIED = sub {	289	$EV::DIED = sub {
163	warn "error in event callback: @_";	290	warn "error in event callback: @_";
164	};	291	};
		292
		293	#############################################################################
165		294
166	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
167		296
168	=over 4	297	=over 4
169		298
…		…
188	$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;
189	$d	318	$d
190	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
191	}	320	}
192		321
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
196		323
197	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
198		325
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
207		327
208	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
209		329
210	=cut	330	=cut
211		331
212	sub to_json($) {	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	333
214	JSON::Syck::Dump $_[0]	334	sub encode_json($) { $json_coder->encode ($_[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;
215	}	349	}
216		350
217	=item cf::lock_wait $string	351	=item cf::lock_wait $string
218		352
219	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
220		354
221	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
222		356
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
226	returned.	360	returned.
227		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
228	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
229	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
230		367
231	=cut	368	=item $locked = cf::lock_active $string
232		369
233	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
234		375
235	sub lock_wait($) {	376	sub lock_wait($) {
236	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	378	}
244		379
245	sub lock_acquire($) {	380	sub lock_acquire($) {
246	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
247		383
248	# wait, to be sure we are not locked	384	sub lock_active($) {
249	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	386	}
258		387
259	sub freeze_mainloop {	388	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
261		390
262	my $guard = Coro::guard { $TICK_WATCHER->start };	391	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	392	}
264	$guard	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($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
		452	}
		453	};
		454
		455	sub get_slot($;$$) {
		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	$sig->wait;
265	}	467	}
266		468
267	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
268		470
269	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		476
275	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
276		478
277	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
278		480
279	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
282		485
283	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
286	fast or be very important.	489	fast or be very important.
…		…
289		492
290	sub sync_job(&) {	493	sub sync_job(&) {
291	my ($job) = @_;	494	my ($job) = @_;
292		495
293	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
294	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
296		501
297	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	503
299	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
300		505
301	my $busy = 1;	506	my $busy = 1;
302	my @res;	507	my @res;
303		508
304	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	511	@res = eval { $job->() };
306	warn $@ if $@;	512	warn $@ if $@;
307	undef $busy;	513	undef $busy;
308	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
309		515
310	while ($busy) {	516	while ($busy) {
311	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
312	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
313		527
314	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
315	} else {	529	} else {
316	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
317		531
…		…
337	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
338		552
339	$coro	553	$coro
340	}	554	}
341		555
342	sub write_runtime {	556	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		557
345	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.
346		562
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	=cut
348	or return;
349		564
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	565	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	my ($cb, @args) = @_;
352	and return;
353		567
354	aio_fsync $fh	568	# we seemingly have to make a local copy of the whole thing,
355	and return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
356		571
357	close $fh	572	my @res = Coro::Util::fork_eval {
358	or return;	573	reset_signals;
		574	&$cb
		575	}, @args;
359		576
360	aio_rename "$runtime~", $runtime	577	wantarray ? @res : $res[-1]
361	and return;	578	}
362		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		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($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
363	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		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"
		732	}
		733
		734	=item cf::datalog type => key => value, ...
		735
		736	Log a datalog packet of the given type with the given key-value pairs.
		737
		738	=cut
		739
		740	sub datalog($@) {
		741	my ($type, %kv) = @_;
		742	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	743	}
365		744
366	=back	745	=back
367		746
368	=cut	747	=cut
369		748
370	#############################################################################	749	#############################################################################
371		750
372	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
373		752
374	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
375	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")
376	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
377		756
378	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>
379	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
380	crossfire+).	759	Deliantra).
381		760
382	=over 4	761	=over 4
383		762
384	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
385		764
…		…
429	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
430		809
431	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
433		812
434	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
435	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.
436		815
437	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
438		817
439	=over 4	818	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	878	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	879	our @CB_MAP = ();
501		880
502	my %attachment;	881	my %attachment;
503		882
		883	sub cf::attachable::thawer_merge {
		884	# simply override everything except _meta
		885	local $_[0]{_meta};
		886	%{$_[0]} = %{$_[1]};
		887	}
		888
504	sub _attach_cb($$$$) {	889	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	890	my ($registry, $event, $prio, $cb) = @_;
506		891
507	use sort 'stable';	892	use sort 'stable';
508		893
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
543		928
544	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		933
549	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	935	my $pkg = shift @arg;
551		936
552	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
582	}	967	}
583		968
584	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
585	} else {	970	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	972	}
588		973
589	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
590	}	975	}
591		976
…		…
593	if (ref $_[0]) {	978	if (ref $_[0]) {
594	_object_attach @_;	979	_object_attach @_;
595	} else {	980	} else {
596	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
597	}	982	}
		983	_recalc_want;
598	};	984	};
599		985
600	# all those should be optimised	986	# all those should be optimised
601	sub cf::attachable::detach {	987	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
606	reattach ($obj);	992	reattach ($obj);
607	} else {	993	} else {
608	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
609	}	995	}
		996	_recalc_want;
610	};	997	};
611		998
612	sub cf::attachable::attached {	999	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
614		1001
…		…
629	";	1016	";
630	die if $@;	1017	die if $@;
631	}	1018	}
632		1019
633	our $override;	1020	our $override;
634	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?
635		1022
636	sub override {	1023	sub override {
637	$override = 1;	1024	$override = 1;
638	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
639	}	1026	}
640		1027
641	sub do_invoke {	1028	sub do_invoke {
642	my $event = shift;	1029	my $event = shift;
643	my $callbacks = shift;	1030	my $callbacks = shift;
644		1031
645	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
646		1033
647	local $override;	1034	local $override;
648		1035
649	for (@$callbacks) {	1036	for (@$callbacks) {
650	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
659	}	1046	}
660		1047
661	0	1048	0
662	}	1049	}
663		1050
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1052
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1054
668	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
669		1056
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1060
674	=back	1061	=back
675		1062
676	=cut	1063	=cut
677		1064
678	#############################################################################	1065	#############################################################################
679	# 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	}
680		1109
681	sub reattach {	1110	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1112	my ($obj) = @_;
		1113
		1114	# no longer needed after getting rid of delete_package?
		1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1116
685	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
686		1118
687	@$registry = ();	1119	@$registry = ();
688		1120
…		…
703	cf::attachable->attach (	1135	cf::attachable->attach (
704	prio => -1000000,	1136	prio => -1000000,
705	on_instantiate => sub {	1137	on_instantiate => sub {
706	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
707		1139
708	$data = from_json $data;	1140	$data = decode_json $data;
709		1141
710	for (@$data) {	1142	for (@$data) {
711	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
712		1144
713	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1161	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
731		1163
732	sync_job {	1164	sync_job {
733	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
736		1169
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
740	aio_fsync $fh;	1175	aio_fsync $fh;
		1176	}
741	close $fh;	1177	aio_close $fh;
742		1178
743	if (@$objs) {	1179	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
		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;
748	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
749	close $fh;	1188	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
751	}	1190	}
752	} else {	1191	} else {
753	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
754	}	1193	}
755		1194
756	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1199	} else {
758	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
759	}	1201	}
760	} else {	1202	} else {
761	aio_unlink $filename;	1203	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
763	}	1205	}
764	}	1206	};
765	}	1207	}
766		1208
767	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
769		1211
…		…
781	or return;	1223	or return;
782		1224
783	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
785	or return;	1227	or return;
		1228
786	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
787	}	1231	}
788		1232
		1233	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
791	return ($data, $av);	1237	($data, $av)
792	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
793		1245
794	#############################################################################	1246	#############################################################################
795	# command handling &c	1247	# command handling &c
796		1248
797	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1263	}
812		1264
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1266
815	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.
816		1272
817	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
818	called.	1274	called.
819		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
820	=cut	1287	=cut
821		1288
822	sub register_extcmd {	1289	sub register_extcmd {
823	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
824		1291
825	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
826	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
827		1302
828	cf::player->attach (	1303	cf::player->attach (
829	on_command => sub {	1304	on_command => sub {
830	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
831		1306
…		…
839	cf::override;	1314	cf::override;
840	},	1315	},
841	on_extcmd => sub {	1316	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
843		1318
844	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1320
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
852	} else {	1336	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1338	}
855		1339
856	cf::override;	1340	cf::override;
857	},	1341	},
858	);	1342	);
859		1343
		1344	# "readahead" all extensions
860	sub load_extension {	1345	sub cache_extensions {
861	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
862		1347
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1351	}
888	die $@;
889	}	1352	};
890		1353
891	push @EXTS, $pkg;	1354	$grp
892	}	1355	}
893		1356
894	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
895	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1362	next unless -r $path;
897	eval {	1363
898	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;
899	1	1420	}
900	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
901	}	1426	};
902	}	1427	}
903		1428
904	#############################################################################	1429	#############################################################################
905		1430
		1431	=back
		1432
906	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
907		1434
908	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
909		1436
910	=cut	1437	=cut
911		1438
912	package cf::player;	1439	package cf::player;
913		1440
…		…
915		1442
916	=head3 cf::player	1443	=head3 cf::player
917		1444
918	=over 4	1445	=over 4
919		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
920	=item cf::player::find $login	1461	=item cf::player::find $login
921		1462
922	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
923		1464
924	=cut	1465	=cut
925		1466
926	sub playerdir($) {	1467	sub playerdir($) {
927	cf::localdir	1468	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1470	}
933		1471
934	sub path($) {	1472	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1474
937	(playerdir $login) . "/$login.pl"	1475	(playerdir $login) . "/playerdata"
938	}	1476	}
939		1477
940	sub find_active($) {	1478	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
945		1483
946	sub exists($) {	1484	sub exists($) {
947	my ($login) = @_;	1485	my ($login) = @_;
948		1486
949	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1488	or !aio_stat path $login
951	}	1489	}
952		1490
953	sub find($) {	1491	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1493	my $login = $_[0];
956		1494
957	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
958		1496
959	$cf::PLAYER{$_[0]} || do {	1497	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1498	# rename old playerfiles to new ones
		1499	#TODO: remove when no longer required
		1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1503	aio_unlink +(playerdir $login) . "/$login.pl";
		1504
		1505	my $f = new_from_file cf::object::thawer path $login
961	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;
962	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
963	}	1514	}
964	}	1515	}
965	}	1516	}
966		1517
…		…
975	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
976		1527
977	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
979		1530
		1531	cf::get_slot 0.01;
		1532
980	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
981	Coro::cede;	1534	cf::cede_to_tick;
982	}	1535	}
983		1536
984	sub new($) {	1537	sub new($) {
985	my ($login) = @_;	1538	my ($login) = @_;
986		1539
…		…
992	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
993		1546
994	$self	1547	$self
995	}	1548	}
996		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
997	=item $pl->quit_character	1560	=item $pl->quit_character
998		1561
999	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
1000	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1001		1564
1002	=cut	1565	=cut
1003		1566
1004	sub quit_character {	1567	sub quit_character {
1005	my ($pl) = @_;	1568	my ($pl) = @_;
1006		1569
		1570	my $name = $pl->ob->name;
		1571
1007	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1008	$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
1009		1574
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1011	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1012	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1013	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1014		1581
1015	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1584	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1585	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1586	$pl->destroy;
		1587
		1588	my $prefix = qr<^~\Q$name\E/>;
		1589
		1590	# nuke player maps
		1591	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1592
1020	IO::AIO::aio_rmtree $temp;	1593	IO::AIO::aio_rmtree $temp;
		1594	}
		1595
		1596	=item $pl->kick
		1597
		1598	Kicks a player out of the game. This destroys the connection.
		1599
		1600	=cut
		1601
		1602	sub kick {
		1603	my ($pl, $kicker) = @_;
		1604
		1605	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1606	$pl->killer ("kicked");
		1607	$pl->ns->destroy;
1021	}	1608	}
1022		1609
1023	=item cf::player::list_logins	1610	=item cf::player::list_logins
1024		1611
1025	Returns am arrayref of all valid playernames in the system, can take a	1612	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1027		1614
1028	=cut	1615	=cut
1029		1616
1030	sub list_logins {	1617	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1619	or return [];
1033		1620
1034	my @logins;	1621	my @logins;
1035		1622
1036	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") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1040		1633
1041	utf8::decode $login;	1634	utf8::decode $login;
1042	push @logins, $login;	1635	push @logins, $login;
1043	}	1636	}
1044		1637
…		…
1052		1645
1053	=cut	1646	=cut
1054		1647
1055	sub maps($) {	1648	sub maps($) {
1056	my ($pl) = @_;	1649	my ($pl) = @_;
		1650
		1651	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1652
1058	my $files = aio_readdir playerdir $pl	1653	my $files = aio_readdir playerdir $pl
1059	or return;	1654	or return;
1060		1655
1061	my @paths;	1656	my @paths;
…		…
1063	for (@$files) {	1658	for (@$files) {
1064	utf8::decode $_;	1659	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1660	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1661	next unless /^$PATH_SEP/o;
1067		1662
1068	s/\.map$//;	1663	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1664	}
1071		1665
1072	\@paths	1666	\@paths
1073	}	1667	}
1074		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1076		1674
1077	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1078		1676
1079	=cut	1677	=cut
1080		1678
1081	sub ext_reply($$$%) {	1679	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1083		1681
1084	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1683	}
1088		1684
1089	package cf;	1685	=item $player->ext_msg ($type, @msg)
		1686
		1687	Sends an ext event to the client.
		1688
		1689	=cut
		1690
		1691	sub ext_msg($$@) {
		1692	my ($self, $type, @msg) = @_;
		1693
		1694	$self->ns->ext_msg ($type, @msg);
		1695	}
		1696
		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	}
1090		1725
1091	=back	1726	=back
1092
1093		1727
1094	=head3 cf::map	1728	=head3 cf::map
1095		1729
1096	=over 4	1730	=over 4
1097		1731
…		…
1101		1735
1102	use Fcntl;	1736	use Fcntl;
1103	use Coro::AIO;	1737	use Coro::AIO;
1104		1738
1105	use overload	1739	use overload
1106	'""' => \&as_string;	1740	'""' => \&as_string,
		1741	fallback => 1;
1107		1742
1108	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1110		1745
1111	sub generate_random_map {	1746	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1113		1750
1114	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1752	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1762	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1763	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1764	)
1128	}	1765	}
1129		1766
		1767	=item cf::map->register ($regex, $prio)
		1768
		1769	Register a handler for the map path matching the given regex at the
		1770	givne priority (higher is better, built-in handlers have priority 0, the
		1771	default).
		1772
		1773	=cut
		1774
1130	sub register {	1775	sub register {
1131	my (undef, $regex) = @_;	1776	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1777	my $pkg = caller;
1133		1778
1134	no strict;	1779	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1780	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1781
1137	$EXT_MAP{$pkg} = qr<$regex>;	1782	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1783	}
1139		1784
1140	# also paths starting with '/'	1785	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1786	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1787
		1788	sub thawer_merge {
		1789	my ($self, $merge) = @_;
		1790
		1791	# we have to keep some variables in memory intact
		1792	local $self->{path};
		1793	local $self->{load_path};
		1794
		1795	$self->SUPER::thawer_merge ($merge);
		1796	}
1142		1797
1143	sub normalise {	1798	sub normalise {
1144	my ($path, $base) = @_;	1799	my ($path, $base) = @_;
		1800
		1801	$path = "$path"; # make sure its a string
		1802
		1803	$path =~ s/\.map$//;
1145		1804
1146	# map plan:	1805	# map plan:
1147	#	1806	#
1148	# /! non-realised random map exit (special hack!)	1807	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1808	# {... are special paths that are not being touched
…		…
1177		1836
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1837	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1838
1180	$path = normalise $path, $base;	1839	$path = normalise $path, $base;
1181		1840
1182	for my $pkg (keys %EXT_MAP) {	1841	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1842	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1843	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1844	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1187	return $self;	1846	return $self;
1188	}	1847	}
1189	}	1848	}
1190		1849
1191	Carp::carp "unable to resolve path '$path'.";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1851	()
1193	}	1852	}
1194		1853
1195	sub init {	1854	sub init {
1196	my ($self) = @_;	1855	my ($self) = @_;
…		…
1211		1870
1212	# the original (read-only) location	1871	# the original (read-only) location
1213	sub load_path {	1872	sub load_path {
1214	my ($self) = @_;	1873	my ($self) = @_;
1215		1874
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1875	"$MAPDIR/$self->{path}.map"
1217	}	1876	}
1218		1877
1219	# the temporary/swap location	1878	# the temporary/swap location
1220	sub save_path {	1879	sub save_path {
1221	my ($self) = @_;	1880	my ($self) = @_;
1222		1881
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1883	"$TMPDIR/$path.map"
1225	}	1884	}
1226		1885
1227	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1228	sub uniq_path {	1887	sub uniq_path {
1229	my ($self) = @_;	1888	my ($self) = @_;
1230		1889
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1891	"$UNIQUEDIR/$path"
1233	}	1892	}
1234		1893
1235	# and all this just because we cannot iterate over	1894	sub decay_objects {
1236	# all maps in C++...
1237	sub change_all_map_light {
1238	my ($change) = @_;	1895	my ($self) = @_;
1239		1896
1240	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1241	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1242	}	1900	}
1243		1901
1244	sub unlink_save {	1902	sub unlink_save {
1245	my ($self) = @_;	1903	my ($self) = @_;
1246		1904
1247	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1907	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1908	}
1251		1909
1252	sub load_header_from($) {	1910	sub load_header_from($) {
1253	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1254		1912
1255	utf8::encode $path;	1913	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1257	or return;	1915	or return;
1258		1916
1259	$self->_load_header ($path)	1917	$self->_load_header ($f)
1260	or return;	1918	or return;
1261		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
		1922
1262	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1263		1924
1264	1	1925	1
1265	}	1926	}
1266		1927
1267	sub load_orig {	1928	sub load_header_orig {
1268	my ($self) = @_;	1929	my ($self) = @_;
1269		1930
1270	$self->load_header_from ($self->load_path)	1931	$self->load_header_from ($self->load_path)
1271	}	1932	}
1272		1933
1273	sub load_temp {	1934	sub load_header_temp {
1274	my ($self) = @_;	1935	my ($self) = @_;
1275		1936
1276	$self->load_header_from ($self->save_path)	1937	$self->load_header_from ($self->save_path)
		1938	}
		1939
		1940	sub prepare_temp {
		1941	my ($self) = @_;
		1942
		1943	$self->last_access ((delete $self->{last_access})
		1944	|| $cf::RUNTIME); #d#
		1945	# safety
		1946	$self->{instantiate_time} = $cf::RUNTIME
		1947	if $self->{instantiate_time} > $cf::RUNTIME;
		1948	}
		1949
		1950	sub prepare_orig {
		1951	my ($self) = @_;
		1952
		1953	$self->{load_original} = 1;
		1954	$self->{instantiate_time} = $cf::RUNTIME;
		1955	$self->last_access ($cf::RUNTIME);
		1956	$self->instantiate;
1277	}	1957	}
1278		1958
1279	sub load_header {	1959	sub load_header {
1280	my ($self) = @_;	1960	my ($self) = @_;
1281		1961
1282	if ($self->load_temp) {	1962	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1963	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1964	} else {
1289	$self->load_orig	1965	$self->load_header_orig
1290	or return;	1966	or return;
1291		1967	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1968	}
		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 $self->default_region;
1297		1975
1298	1	1976	1
1299	}	1977	}
1300		1978
1301	sub find;	1979	sub find;
1302	sub find {	1980	sub find {
1303	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1304		1982
1305	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1306		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1308		1987
1309	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";
1311	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1312	or return;	1990	or return;
1313		1991
1314	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1315		1993
1316	$map->load_header	1994	$map->load_header
1317	or return;	1995	or return;
1318		1996
1319	if ($map->should_reset) {	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1998	# doing this can freeze the server in a sync job, obviously
		1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1320	$map->reset;	2002	$map->reset;
1321	undef $guard;
1322	$map = find $path	2003	return find $path;
1323	or return;
1324	}	2004	}
1325		2005
1326	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1327	}	2007	}
1328	}	2008	}
		2009
		2010	sub pre_load { }
		2011	sub post_load { }
1329		2012
1330	sub load {	2013	sub load {
1331	my ($self) = @_;	2014	my ($self) = @_;
1332		2015
		2016	local $self->{deny_reset} = 1; # loading can take a long time
		2017
1333	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1335		2022
		2023	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2025
1338	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1339		2027
1340	$self->alloc;	2028	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	2029
		2030	$self->pre_load;
		2031	cf::cede_to_tick;
		2032
		2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
		2035	$self->_load_objects ($f)
1342	or return;	2036	or return;
1343		2037
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1345	if delete $self->{load_original};	2039	if delete $self->{load_original};
1346		2040
1347	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2042	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2045	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1352	}	2049	}
1353	}	2050	}
1354		2051
1355	Coro::cede;	2052	$f->resolve_delayed_derefs;
1356		2053
		2054	cf::cede_to_tick;
1357	# now do the right thing for maps	2055	# now do the right thing for maps
1358	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2058	unless $self->difficulty;
1368	Coro::cede;	2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1369	$self->activate;	2066	$self->activate;
1370	}	2067	}
1371		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
		2073	}
		2074
		2075	$self->post_load;
1373	}	2076	}
1374		2077
1375	sub customise_for {	2078	sub customise_for {
1376	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1377		2080
1378	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2082	if $self->per_player;
1380		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1381	$self	2087	$self
1382	}	2088	}
1383		2089
1384	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2091	sub load_neighbours {
1386	my ($map) = @_;	2092	my ($map) = @_;
1387		2093
1388	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1389		2095
1390	for (0 .. 3) {	2096	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1392	or next;	2098	or next;
1393	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1394	or next;	2100	or next;
1395	$neigh->load;	2101	$neigh->load;
1396		2102
		2103	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2106	}
1400		2107
1401	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1403	or next;	2111	or next;
1404	$neigh->load;	2112	$neigh->load;
1405	}	2113	}
1406	}	2114	}
1407		2115
…		…
1412	}	2120	}
1413		2121
1414	sub do_load_sync {	2122	sub do_load_sync {
1415	my ($map) = @_;	2123	my ($map) = @_;
1416		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1417	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1418	}	2129	}
1419		2130
1420	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2132	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2133
1434	sub find_async {	2134	sub find_async {
1435	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1436		2136
1437	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1438		2138
1439	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2141	}
		2142
		2143	$MAP_PREFETCH{$path} |= $load;
		2144
		2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
		2148	while (%MAP_PREFETCH) {
		2149	while (my ($k, $v) = each %MAP_PREFETCH) {
		2150	if (my $map = find $k) {
		2151	$map->load if $v;
		2152	}
		2153
		2154	delete $MAP_PREFETCH{$k};
		2155	}
		2156	}
		2157	undef $MAP_PREFETCHER;
1441	}	2158	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2159	$MAP_PREFETCHER->prio (6);
1445		2160
1446	()	2161	()
1447	}	2162	}
1448		2163
1449	sub save {	2164	sub save {
1450	my ($self) = @_;	2165	my ($self) = @_;
1451		2166
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2168
1454	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1455		2170
1456	return unless $self->dirty;	2171	return unless $self->dirty;
1457		2172
…		…
1463	return if $self->{deny_save};	2178	return if $self->{deny_save};
1464		2179
1465	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1466		2181
1467	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1469	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1470		2188
1471	if ($uniq) {	2189	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1474	} else {	2192	} else {
…		…
1480	my ($self) = @_;	2198	my ($self) = @_;
1481		2199
1482	# save first because save cedes	2200	# save first because save cedes
1483	$self->save;	2201	$self->save;
1484		2202
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2204
1487	return if $self->players;	2205	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1489	return if $self->{deny_save};	2207	return if $self->{deny_save};
1490		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2213	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2214	}
1494		2215
1495	sub reset_at {	2216	sub reset_at {
1496	my ($self) = @_;	2217	my ($self) = @_;
1497		2218
1498	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1501		2221
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2224
…		…
1509	my ($self) = @_;	2229	my ($self) = @_;
1510		2230
1511	$self->reset_at <= $cf::RUNTIME	2231	$self->reset_at <= $cf::RUNTIME
1512	}	2232	}
1513		2233
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2234	sub reset {
1529	my ($self) = @_;	2235	my ($self) = @_;
1530		2236
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2238
1533	return if $self->players;	2239	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2240
1536	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
		2242
		2243	$self->in_memory (cf::MAP_SWAPPED);
		2244
		2245	# need to save uniques path
		2246	unless ($self->{deny_save}) {
		2247	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2248
		2249	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2250	if $uniq;
		2251	}
1537		2252
1538	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1539		2254
1540	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2257	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2258
1545	$self->unlink_save;	2259	$self->unlink_save;
1546	$self->destroy;	2260	$self->destroy;
1547	}	2261	}
1548		2262
1549	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1550		2264
1551	sub nuke {	2265	sub nuke {
1552	my ($self) = @_;	2266	my ($self) = @_;
1553		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	delete $cf::MAP{$self->path};
		2272
		2273	$self->unlink_save;
		2274
		2275	bless $self, "cf::map";
		2276	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2280
		2281	$cf::MAP{$self->path} = $self;
		2282	}
		2283
1557	$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	]
1558	}	2321	}
1559		2322
1560	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1561		2324
1562	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2326	instantiated unique items. May block.
1564		2327
1565	=cut	2328	=cut
1566		2329
1567	sub unique_maps() {	2330	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1569	or return;	2332	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2333	utf8::decode $_;
1575	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1576	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1577		2336	? ()
1578	s/\.map$//;	2337	: normalise $_
1579	push @paths, $_;	2338	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2339	]
1581
1582	\@paths
1583	}	2340	}
1584
1585	package cf;
1586		2341
1587	=back	2342	=back
1588		2343
1589	=head3 cf::object	2344	=head3 cf::object
1590		2345
…		…
1594		2349
1595	=over 4	2350	=over 4
1596		2351
1597	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1598		2353
1599	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.
1600		2356
1601	=cut	2357	=cut
1602		2358
1603	sub inv_recursive_;	2359	sub inv_recursive_;
1604	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1607		2363
1608	sub inv_recursive {	2364	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1610	}	2366	}
1611		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
1612	package cf;	2396	package cf;
1613		2397
1614	=back	2398	=back
1615		2399
1616	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1622	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>
1623	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
1624	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1625		2409
1626	=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	};
1627		2425
1628	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2427	# with dialog boxes.
1630	#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
1631	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1633		2431
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2433
1636	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1641	}	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 (@_);
1642	}	2459	}
1643		2460
1644	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1645		2462
1646	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1659		2476
1660	=item $player_object->enter_link	2477	=item $player_object->enter_link
1661		2478
1662	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}>).
1663		2480
1664	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.
1665	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.
1666		2485
1667	Will never block.	2486	Will never block.
1668		2487
1669	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1670		2489
…		…
1678	=cut	2497	=cut
1679		2498
1680	sub link_map {	2499	sub link_map {
1681	unless ($LINK_MAP) {	2500	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2501	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2502	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2503	$LINK_MAP->load;
1685	}	2504	}
1686		2505
1687	$LINK_MAP	2506	$LINK_MAP
1688	}	2507	}
…		…
1693	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1694		2513
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2515
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1699		2518
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2520	}
1702		2521
1703	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1705		2526
1706	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1707		2528
1708	unless ($map) {	2529	unless ($map) {
1709	# restore original map position	2530	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1726		2547
1727	$map->load;	2548	$map->load;
1728	$map->load_diag;	2549	$map->load_neighbours;
1729		2550
1730	return unless $self->contr->active;	2551	return unless $self->contr->active;
		2552
		2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
1731	$self->activate_recursive;	2557	$self->activate_recursive;
1732	$self->enter_map ($map, $x, $y);
1733	}	2558	}
1734		2559
1735	cf::player->attach (	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2561
1739	# abort map switching before logout	2562	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2563	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2565	the new (success) or old (failed) map position. In either case, $done will
1743	};	2566	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2567
1749	# try to abort aborted map switching on player login :)	2568	Note that $check will be called with a potentially non-loaded map, so if
1750	# should happen only on crashes	2569	it needs a loaded map it has to call C<< ->load >>.
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766		2570
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1770		2574
1771	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1772	my ($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;
1773		2580
1774	$self->enter_link;	2581	$self->enter_link;
1775		2582
1776	(async {	2583	(async {
1777	my $map = cf::map::find $path;	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
		2605	my $map = eval {
		2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
1779		2610	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2611	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
1784		2614
		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 $@;
		2621	}
		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1786	})->prio (1);	2629	})->prio (1);
1787	}	2630	}
1788		2631
1789	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1790		2633
…		…
1792		2635
1793	sub parse_random_map_params {	2636	sub parse_random_map_params {
1794	my ($spec) = @_;	2637	my ($spec) = @_;
1795		2638
1796	my $rmp = { # defaults	2639	my $rmp = { # defaults
1797	xsize => 10,	2640	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2641	ysize => (cf::rndm 15, 40),
		2642	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2643	#layout => string,
1799	};	2644	};
1800		2645
1801	for (split /\n/, $spec) {	2646	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2647	my ($k, $v) = split /\s+/, $_, 2;
1803		2648
…		…
1815	# that depends on the exit object	2660	# that depends on the exit object
1816		2661
1817	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
1818		2663
1819	if ($exit->map) {	2664	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2665	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1824	}	2671	}
1825		2672
1826	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1827		2674
1828	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1829	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
		2677	my $meta = "$RANDOMDIR/$md5.meta";
1830		2678
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
		2681	undef $fh;
		2682	aio_rename "$meta~", $meta;
1833		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1834	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1836	}	2690	}
1837	}	2691	}
1838		2692
1839	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
…		…
1842	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1843		2697
1844	$self->enter_link;	2698	$self->enter_link;
1845		2699
1846	(async {	2700	(async {
1847	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1848	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
1849	prepare_random_map $exit	2710	prepare_random_map $exit
1850	if $exit->slaying eq "/!";	2711	if $exit->slaying eq "/!";
		2712	}
1851		2713
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
1854		2717
		2718	$self->goto ($map, $x, $y);
		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
1855	1;	2724	1
1856	}) {	2725	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2730
1862	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2732	$self->leave_link;
1864	}	2733	}
1865	})->prio (1);	2734	})->prio (1);
…		…
1878		2747
1879	sub cf::client::send_drawinfo {	2748	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2749	my ($self, $text, $flags) = @_;
1881		2750
1882	utf8::encode $text;	2751	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2753	}
1885		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
		2915	=item $client->ext_msg ($type, @msg)
		2916
		2917	Sends an ext event to the client.
		2918
		2919	=cut
		2920
		2921	sub cf::client::ext_msg($$@) {
		2922	my ($self, $type, @msg) = @_;
		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
		2927	push @msg, msgtype => "event_$type";
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		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	}
		2948	}
1886		2949
1887	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
1888		2951
1889	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
1890	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>,
1891	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>.
1892		2955
1893	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
1894	reliable at some point in the future.	2957	become reliable at some point in the future.
1895		2958
1896	=cut	2959	=cut
1897		2960
1898	sub cf::client::query {	2961	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2970	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2972
1910	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
1912	}	2977	}
1913		2978
1914	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
1915	on_reply => sub {	2985	on_reply => sub {
1916	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
1917		2987
1918	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
1919	# get handled first	2989	# get handled first
1920	my $queue = delete $ns->{query_queue}	2990	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2991	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2992
1923	(shift @$queue)->[1]->($msg);	2993	(shift @$queue)->[1]->($msg);
		2994	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2995
1925	push @{ $ns->{query_queue} }, @$queue;	2996	push @{ $ns->{query_queue} }, @$queue;
1926		2997
1927	if (@{ $ns->{query_queue} } == @$queue) {	2998	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2999	if (@$queue) {
…		…
1930	} else {	3001	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	3003	}
1933	}	3004	}
1934	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($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	},
1935	);	3032	);
1936		3033
1937	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
1938		3035
1939	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
1982		3079
1983	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
1984		3081
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
1986		3087
1987	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
1988		3089
1989	=pod	3090	=pod
1990		3091
1991	The following fucntions and emthods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
1992		3093
1993	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
1994	cf::object::player player	3099	cf::object::player
1995	cf::player peaceful	3100	player
1996	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
1997		3107
1998	=cut	3108	=cut
1999		3109
2000	for (	3110	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2002	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2004	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2005	) {	3117	) {
2006	no strict 'refs';	3118	no strict 'refs';
2007	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2008	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2025	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2026		3138
2027	my $qcode = $code;	3139	my $qcode = $code;
2028	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2029	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2030		3144
2031	local $_;	3145	local $_;
2032	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2033		3147
2034	my $eval =	3148	my $eval =
…		…
2077	=back	3191	=back
2078		3192
2079	=cut	3193	=cut
2080		3194
2081	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2082		3197
2083	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2084		3200
2085	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2087	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3204
2089	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3206
2092	=over 4	3207	warn "loading facedata from $path\n";
2093		3208
2094	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2095		3212
2096	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3214
2100	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3217
2102	Returns a single value from the database	3218	# patch in the exptable
2103		3219	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2105		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3222	};
		3223	cf::cede_to_tick;
2155		3224
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2160		3227
2161	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3230
2167	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3235
2176	cf::global->attach (	3236	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3237	}
2181	);
2182	}
2183		3238
2184	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3240	next unless $info->{smooth};
2186		3241
2187	sub cfg_load {	3242	my $idx = cf::face::find $face
		3243	or next;
		3244
		3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3248	} else {
		3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		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
		3302	1
		3303	}
		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
		3372	sub reload_resources {
		3373	warn "reloading resource files...\n";
		3374
		3375	reload_facedata;
		3376	reload_archetypes;
		3377	reload_regions;
		3378	reload_treasures;
		3379
		3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3385	or return;
2190		3386
2191	local $/;	3387	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2193		3389
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3391
2196	$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};
2197	$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};
…		…
2203	};	3399	};
2204	warn $@ if $@;	3400	warn $@ if $@;
2205	}	3401	}
2206	}	3402	}
2207		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
2208	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
2209	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2211	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#
2212	async { Event::one_event };	3450	(async {
		3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
		3453	})->prio (Coro::PRIO_MAX);
2213	};	3454	};
2214		3455
2215	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
2216	db_load;	3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
		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
2217	load_extensions;	3474	load_extensions;
2218	Event::loop;	3475
		3476	utime time, time, $RUNTIMEFILE;
		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;
2219	}	3486	}
2220		3487
2221	#############################################################################	3488	#############################################################################
2222	# initialisation and cleanup	3489	# initialisation and cleanup
2223		3490
2224	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2225	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2232	},
2233	);	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
2234	}	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 };
2235	}	3585	}
2236		3586
2237	sub emergency_save() {	3587	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2239		3589
2240	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2241		3591
2242	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
2243	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2244	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2245	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2247	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3606	$pl->save;
2251	}	3607	}
2252	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2253		3609
2254	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2255	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2256	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3613	$map->valid or next;
2258	$map->save;	3614	$map->save;
2259	}	3615	}
2260	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
		3617
		3618	warn "emergency_perl_save: begin database checkpoint\n";
		3619	BDB::db_env_txn_checkpoint $DB_ENV;
		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";
2261	};	3625	};
2262		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
2263	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2264	}	3633	}
2265		3634
		3635	sub post_cleanup {
		3636	my ($make_core) = @_;
		3637
		3638	warn Carp::longmess "post_cleanup backtrace"
		3639	if $make_core;
		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 $pkg\n";#d#
		3669	}
		3670
2266	sub reload() {	3671	sub do_reload_perl() {
2267	# can/must only be called in main	3672	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3674	warn "can only reload from main coroutine";
2270	return;	3675	return;
2271	}	3676	}
2272		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2273	warn "reloading...";	3683	warn "reloading...";
2274		3684
2275	warn "freezing server";	3685	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3686
		3687	cf::sync_job {
		3688	cf::write_runtime_sync; # external watchdog should not bark
2277	cf::emergency_save;	3689	cf::emergency_save;
		3690	cf::write_runtime_sync; # external watchdog should not bark
2278		3691
2279	warn "sync database to disk";	3692	warn "syncing database to disk";
2280	cf::db_sync;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3694
2283	eval {
2284	# 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
2285		3696
2286	warn "cancel all watchers";	3697	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2289	}
2290
2291	warn "cancel all extension coros";
2292	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();
2294
2295	warn "remove commands";
2296	%COMMAND = ();
2297
2298	warn "remove ext commands";
2299	%EXTCMD = ();
2300
2301	warn "unload/nuke all extensions";
2302	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";
2304
2305	if (my $cb = $pkg->can ("unload")) {
2306	eval {
2307	$cb->($pkg);
2308	1
2309	} or warn "$pkg unloaded, but with errors: $@";
2310	}	3700	}
2311		3701
		3702	warn "cancelling all extension coros";
		3703	$_->cancel for values %EXT_CORO;
		3704	%EXT_CORO = ();
		3705
		3706	warn "removing commands";
		3707	%COMMAND = ();
		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2312	warn "... nuking $pkg";	3715	warn "... unloading $pkg";
2313	Symbol::delete_package $pkg;
2314	}
2315		3716
2316	warn "unload all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319
2320	warn "removing <$k>";
2321	delete $INC{$k};
2322
2323	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;
2325
2326	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2327	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2328	}	3726	}
2329		3727
2330	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 $k;
2331	}	3743	}
2332		3744
2333	warn "get rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2335	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);
2336		3748
2337	warn "unload cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2339		3752
2340	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3754	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2343		3756
		3757	warn "unload completed, starting to reload now";
		3758
2344	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2345	require cf;	3760	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3762
2348	warn "load config and database again";	3763	warn "loading config and database again";
2349	cf::cfg_load;	3764	cf::reload_config;
2350	cf::db_load;
2351		3765
2352	warn "load extensions";	3766	warn "loading extensions";
2353	cf::load_extensions;	3767	cf::load_extensions;
2354		3768
		3769	if ($REATTACH_ON_RELOAD) {
2355	warn "reattach attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3771	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3772	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
		3774	warn "reattaching attachments to players";
		3775	reattach $_ for values %PLAYER;
		3776	}
		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
		3781	warn "leaving sync_job";
		3782
		3783	1
		3784	} or do {
		3785	warn $@;
		3786	cf::cleanup "error while reloading, exiting.";
		3787	};
		3788
		3789	warn "reloaded";
		3790	--$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 $RELOAD_WATCHER;
		3809	};
2359	};	3810	};
2360		3811	}
2361	if ($@) {
2362	warn $@;
2363	warn "error while reloading, exiting.";
2364	exit 1;
2365	}
2366
2367	warn "reloaded";
2368	};
2369		3812
2370	register_command "reload" => sub {	3813	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2372		3815
2373	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
		3820	reload_perl;
		3821	};
2377	}	3822	}
2378	};	3823	};
2379		3824
2380	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2381		3826
2382	$TICK_WATCHER = Event->timer (	3827	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		3828
		3829	our @WAIT_FOR_TICK;
		3830	our @WAIT_FOR_TICK_BEGIN;
		3831
		3832	sub wait_for_tick {
		3833	return if tick_inhibit || $Coro::current == $Coro::main;
		3834
		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	$signal->wait;
		3846	}
		3847
		3848	sub tick {
		3849	if ($Coro::current != $Coro::main) {
		3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3851	unless ++$bug_warning > 10;
		3852	return;
		3853	}
		3854
2390	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2391	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;
2393		3856
2394	$WAIT_FOR_TICK->broadcast;	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3859	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3860	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3861	write_runtime_sync
2422	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3863	};
2424	},	3864	}
2425	);	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	}
		3884
		3885	{
		3886	# configure BDB
		3887
		3888	BDB::min_parallel 8;
		3889	BDB::max_poll_reqs $TICK * 0.1;
		3890	$AnyEvent::BDB::WATCHER->priority (1);
		3891
		3892	unless ($DB_ENV) {
		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);
		3899
		3900	cf::sync_job {
		3901	eval {
		3902	BDB::db_env_open
		3903	$DB_ENV,
		3904	$BDBDIR,
		3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3907	0666;
		3908
		3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3910	};
		3911
		3912	cf::cleanup "db_env_open(db): $@" if $@;
		3913	};
		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	};
		3925	}
		3926
		3927	{
		3928	# configure IO::AIO
		3929
		3930	IO::AIO::min_parallel 8;
		3931	IO::AIO::max_poll_time $TICK * 0.1;
		3932	undef $AnyEvent::AIO::WATCHER;
		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;
2426		3979
2427	END { cf::emergency_save }	3980	END { cf::emergency_save }
2428		3981
2429	1	3982	1
2430		3983

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