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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 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 "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 3.4 ();	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::AnyEvent;
18	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
		49	use Coro::Storable;
		50	use Coro::Util ();
19		51
		52	use JSON::XS 2.01 ();
		53	use BDB ();
20	use Data::Dumper;	54	use Data::Dumper;
21	use Digest::MD5;	55	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
		57	use YAML ();
23	use IO::AIO 2.32 ();	58	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		75
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	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		77
36	our %COMMAND = ();	78	our %COMMAND = ();
37	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
38		80
39	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
43		86
		87	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	88	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		89
47	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	91	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	92	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	93	our $PODDIR = "$DATADIR/pod";
		94	our $MAPDIR = "$DATADIR/" . mapdir;
		95	our $LOCALDIR = localdir;
		96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		99	our $RANDOMDIR = "$LOCALDIR/random";
		100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
		105
		106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	108	our $NEXT_TICK;
52	our $NOW;	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
		113	our $BDB_TRICKLE_WATCHER;
		114	our $DB_ENV;
53		115
54	our %CFG;	116	our %CFG;
55		117
56	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
58		121
59	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		125
67	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
70	binmode STDOUT;	138	binmode STDOUT;
71	binmode STDERR;	139	binmode STDERR;
72		140
73	# read virtual server time, if available	141	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
78	}	146	}
79		147
80	mkdir cf::localdir;	148	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		150
86	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
		152
		153	sub cf::map::normalise;
87		154
88	#############################################################################	155	#############################################################################
89		156
90	=head2 GLOBAL VARIABLES	157	=head2 GLOBAL VARIABLES
91		158
…		…
98	=item $cf::RUNTIME	165	=item $cf::RUNTIME
99		166
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	167	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	168	every server tick.
102		169
103	=item $cf::LIBDIR	170	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		171	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		172	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		173
105	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	175	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		176	unique-items directory, player file directory, random maps directory and
		177	database environment.
107		178
108	=item $cf::NOW	179	=item $cf::NOW
109		180
110	The time of the last (current) server tick.	181	The time of the last (current) server tick.
111		182
112	=item $cf::TICK	183	=item $cf::TICK
113		184
114	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
115		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
116	=item %cf::CFG	197	=item %cf::CFG
117		198
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	200	from wherever your confdir points to.
120		201
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		203
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	205	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
127		213
128	=back	214	=back
129		215
130	=cut	216	=cut
131		217
132	BEGIN {	218	BEGIN {
133	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	220	my $msg = join "", @_;
135	utf8::encode $msg;
136		221
137	$msg .= "\n"	222	$msg .= "\n"
138	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
139		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
140	LOG llevError, $msg;	227	LOG llevError, $msg;
141	};	228	};
142	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
143		245
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		253
151	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	255	# within the Safe compartment.
153	for my $pkg (qw(	256	for my $pkg (qw(
154	cf::global cf::attachable	257	cf::global cf::attachable
155	cf::object cf::object::player	258	cf::object cf::object::player
156	cf::client cf::player	259	cf::client cf::player
157	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
158	cf::map cf::party cf::region	262	cf::party cf::region
159	)) {	263	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	265	}
163		266
164	$Event::DIED = sub {	267	$EV::DIED = sub {
165	warn "error in event callback: @_";	268	warn "error in event callback: @_";
166	};	269	};
		270
		271	#############################################################################
167		272
168	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
169		274
170	=over 4	275	=over 4
171		276
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	296	$d
192	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
193	}	298	}
194		299
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
198		301
199	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
200		303
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
209		305
210	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
211		307
212	=cut	308	=cut
213		309
214	sub to_json($) {	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	311
216	JSON::Syck::Dump $_[0]	312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
217	}	327	}
218		328
219	=item cf::lock_wait $string	329	=item cf::lock_wait $string
220		330
221	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
222		332
223	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
224		334
225	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
228	returned.	338	returned.
229		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
230	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
232		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
233	=cut	350	=cut
234		351
235	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
236		354
237	sub lock_wait($) {	355	sub lock_wait($) {
238	my ($key) = @_;	356	my ($key) = @_;
239		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
240	# wait for lock, if any	363	# wait for lock, if any
241	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
242	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	367	Coro::schedule;
244	}	368	}
245	}	369	}
246		370
…		…
249		373
250	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
251	lock_wait $key;	375	lock_wait $key;
252		376
253	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
254		379
255	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
258	}	384	}
259	}	385	}
260		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
261	sub freeze_mainloop {	393	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
263		395
264	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	397	}
266	$WRITE_RUNTIME_WATCHER->start;	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
267	};	457	}
268	$WRITE_RUNTIME_WATCHER->stop;	458	};
269	$TICK_WATCHER->stop;	459
270	$guard	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
271	}	472	}
272		473
273	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
274		475
275	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		481
281	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
282		483
283	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
284		485
285	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
288		490
289	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
292	fast or be very important.	494	fast or be very important.
…		…
295		497
296	sub sync_job(&) {	498	sub sync_job(&) {
297	my ($job) = @_;	499	my ($job) = @_;
298		500
299	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
300	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
302		506
303	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	508
305	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
306		510
307	my $busy = 1;	511	my $busy = 1;
308	my @res;	512	my @res;
309		513
310	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	516	@res = eval { $job->() };
312	warn $@ if $@;	517	warn $@ if $@;
313	undef $busy;	518	undef $busy;
314	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
315		520
316	while ($busy) {	521	while ($busy) {
317	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
318	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
319		532
320	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
321	} else {	534	} else {
322	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
323		536
…		…
343	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
344		557
345	$coro	558	$coro
346	}	559	}
347		560
348	sub write_runtime {	561	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		562
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	Executes the given code block with the given arguments in a seperate
352	or return;	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
353		567
354	my $value = $cf::RUNTIME + 90 + 10;	568	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		569
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	sub fork_call(&@) {
359	and return;	571	my ($cb, @args) = @_;
360		572
361	aio_fsync $fh	573	# we seemingly have to make a local copy of the whole thing,
362	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
363		576
364	close $fh	577	my @res = Coro::Util::fork_eval {
365	or return;	578	reset_signals;
		579	&$cb
		580	}, @args;
366		581
367	aio_rename "$runtime~", $runtime	582	wantarray ? @res : $res[-1]
368	and return;	583	}
369		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
370	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	748	}
372		749
373	=back	750	=back
374		751
375	=cut	752	=cut
376		753
377	#############################################################################	754	#############################################################################
378		755
379	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
380		757
381	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
384		761
385	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	764	Deliantra).
388		765
389	=over 4	766	=over 4
390		767
391	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
392		769
…		…
436	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
437		814
438	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
440		817
441	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
443		820
444	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
445		822
446	=over 4	823	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
556		933
557	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		938
562	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	940	my $pkg = shift @arg;
564		941
565	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
595	}	972	}
596		973
597	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
598	} else {	975	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	977	}
601		978
602	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
603	}	980	}
604		981
…		…
606	if (ref $_[0]) {	983	if (ref $_[0]) {
607	_object_attach @_;	984	_object_attach @_;
608	} else {	985	} else {
609	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
610	}	987	}
		988	_recalc_want;
611	};	989	};
612		990
613	# all those should be optimised	991	# all those should be optimised
614	sub cf::attachable::detach {	992	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
619	reattach ($obj);	997	reattach ($obj);
620	} else {	998	} else {
621	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
622	}	1000	}
		1001	_recalc_want;
623	};	1002	};
624		1003
625	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
627		1006
…		…
642	";	1021	";
643	die if $@;	1022	die if $@;
644	}	1023	}
645		1024
646	our $override;	1025	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1027
649	sub override {	1028	sub override {
650	$override = 1;	1029	$override = 1;
651	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
652	}	1031	}
653		1032
654	sub do_invoke {	1033	sub do_invoke {
655	my $event = shift;	1034	my $event = shift;
656	my $callbacks = shift;	1035	my $callbacks = shift;
657		1036
658	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
659		1038
660	local $override;	1039	local $override;
661		1040
662	for (@$callbacks) {	1041	for (@$callbacks) {
663	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
672	}	1051	}
673		1052
674	0	1053	0
675	}	1054	}
676		1055
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1057
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1059
681	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
682		1061
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1065
687	=back	1066	=back
688		1067
689	=cut	1068	=cut
690		1069
691	#############################################################################	1070	#############################################################################
692	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
693		1114
694	sub reattach {	1115	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1117	my ($obj) = @_;
697		1118
		1119	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1121
700	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
701		1123
702	@$registry = ();	1124	@$registry = ();
703		1125
…		…
718	cf::attachable->attach (	1140	cf::attachable->attach (
719	prio => -1000000,	1141	prio => -1000000,
720	on_instantiate => sub {	1142	on_instantiate => sub {
721	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
722		1144
723	$data = from_json $data;	1145	$data = decode_json $data;
724		1146
725	for (@$data) {	1147	for (@$data) {
726	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
727		1149
728	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1166	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
746		1168
747	sync_job {	1169	sync_job {
748	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
751		1174
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1178	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1179	aio_close $fh;
757		1180
758	if (@$objs) {	1181	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1186	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1187	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
766	}	1189	}
767	} else {	1190	} else {
768	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
769	}	1192	}
770		1193
771	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1198	} else {
773	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
774	}	1200	}
775	} else {	1201	} else {
776	aio_unlink $filename;	1202	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
778	}	1204	}
779	}	1205	};
780	}	1206	}
781		1207
782	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
784		1210
…		…
796	or return;	1222	or return;
797		1223
798	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
800	or return;	1226	or return;
		1227
801	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
802	}	1230	}
803		1231
		1232	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
806	return ($data, $av);	1236	($data, $av)
807	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
808		1244
809	#############################################################################	1245	#############################################################################
810	# command handling &c	1246	# command handling &c
811		1247
812	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1262	}
827		1263
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1265
830	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
831		1271
832	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
833	called.	1273	called.
834		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
835	=cut	1286	=cut
836		1287
837	sub register_extcmd {	1288	sub register_extcmd {
838	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
839		1290
840	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
841	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
842		1301
843	cf::player->attach (	1302	cf::player->attach (
844	on_command => sub {	1303	on_command => sub {
845	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
846		1305
…		…
854	cf::override;	1313	cf::override;
855	},	1314	},
856	on_extcmd => sub {	1315	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
858		1317
859	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1319
861	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
867	} else {	1335	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1337	}
870		1338
871	cf::override;	1339	cf::override;
872	},	1340	},
873	);	1341	);
874		1342
		1343	# "readahead" all extensions
875	sub load_extension {	1344	sub cache_extensions {
876	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
877		1346
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
879	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1350	}
903	die $@;
904	}	1351	};
905		1352
906	push @EXTS, $pkg;	1353	$grp
907	}	1354	}
908		1355
909	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
910	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1361	next unless -r $path;
912	eval {	1362
913	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
914	1	1419	}
915	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
916	}	1425	};
917	}	1426	}
918		1427
919	#############################################################################	1428	#############################################################################
920		1429
		1430	=back
		1431
921	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
922		1433
923	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
924		1435
925	=cut	1436	=cut
926		1437
927	package cf::player;	1438	package cf::player;
928		1439
…		…
930		1441
931	=head3 cf::player	1442	=head3 cf::player
932		1443
933	=over 4	1444	=over 4
934		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
		1459
935	=item cf::player::find $login	1460	=item cf::player::find $login
936		1461
937	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
938		1463
939	=cut	1464	=cut
940		1465
941	sub playerdir($) {	1466	sub playerdir($) {
942	cf::localdir	1467	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1469	}
948		1470
949	sub path($) {	1471	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1473
952	(playerdir $login) . "/$login.pl"	1474	(playerdir $login) . "/playerdata"
953	}	1475	}
954		1476
955	sub find_active($) {	1477	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1478	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1479	and $cf::PLAYER{$_[0]}->active
…		…
960		1482
961	sub exists($) {	1483	sub exists($) {
962	my ($login) = @_;	1484	my ($login) = @_;
963		1485
964	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
966	}	1488	}
967		1489
968	sub find($) {	1490	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1492	my $login = $_[0];
971		1493
972	my $guard = cf::lock_acquire "user_find:$login";	1494	my $guard = cf::lock_acquire "user_find:$login";
973		1495
974	$cf::PLAYER{$_[0]} || do {	1496	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1497	# rename old playerfiles to new ones
		1498	#TODO: remove when no longer required
		1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1502	aio_unlink +(playerdir $login) . "/$login.pl";
		1503
		1504	my $f = new_from_file cf::object::thawer path $login
976	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
978	}	1513	}
979	}	1514	}
980	}	1515	}
981		1516
…		…
990	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
991		1526
992	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
994		1529
		1530	cf::get_slot 0.01;
		1531
995	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
996	Coro::cede;	1533	cf::cede_to_tick;
997	}	1534	}
998		1535
999	sub new($) {	1536	sub new($) {
1000	my ($login) = @_;	1537	my ($login) = @_;
1001		1538
…		…
1007	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1008		1545
1009	$self	1546	$self
1010	}	1547	}
1011		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1012	=item $pl->quit_character	1559	=item $pl->quit_character
1013		1560
1014	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1016		1563
1017	=cut	1564	=cut
1018		1565
1019	sub quit_character {	1566	sub quit_character {
1020	my ($pl) = @_;	1567	my ($pl) = @_;
1021		1568
		1569	my $name = $pl->ob->name;
		1570
1022	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1573
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1029		1580
1030	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1583	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1584	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1585	$pl->destroy;
		1586
		1587	my $prefix = qr<^~\Q$name\E/>;
		1588
		1589	# nuke player maps
		1590	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1591
1035	IO::AIO::aio_rmtree $temp;	1592	IO::AIO::aio_rmtree $temp;
		1593	}
		1594
		1595	=item $pl->kick
		1596
		1597	Kicks a player out of the game. This destroys the connection.
		1598
		1599	=cut
		1600
		1601	sub kick {
		1602	my ($pl, $kicker) = @_;
		1603
		1604	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1605	$pl->killer ("kicked");
		1606	$pl->ns->destroy;
1036	}	1607	}
1037		1608
1038	=item cf::player::list_logins	1609	=item cf::player::list_logins
1039		1610
1040	Returns am arrayref of all valid playernames in the system, can take a	1611	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1042		1613
1043	=cut	1614	=cut
1044		1615
1045	sub list_logins {	1616	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1618	or return [];
1048		1619
1049	my @logins;	1620	my @logins;
1050		1621
1051	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1055		1632
1056	utf8::decode $login;	1633	utf8::decode $login;
1057	push @logins, $login;	1634	push @logins, $login;
1058	}	1635	}
1059		1636
…		…
1067		1644
1068	=cut	1645	=cut
1069		1646
1070	sub maps($) {	1647	sub maps($) {
1071	my ($pl) = @_;	1648	my ($pl) = @_;
		1649
		1650	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1651
1073	my $files = aio_readdir playerdir $pl	1652	my $files = aio_readdir playerdir $pl
1074	or return;	1653	or return;
1075		1654
1076	my @paths;	1655	my @paths;
…		…
1078	for (@$files) {	1657	for (@$files) {
1079	utf8::decode $_;	1658	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1659	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1660	next unless /^$PATH_SEP/o;
1082		1661
1083	s/\.map$//;	1662	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1663	}
1086		1664
1087	\@paths	1665	\@paths
1088	}	1666	}
1089		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1091		1673
1092	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1093		1675
1094	=cut	1676	=cut
1095		1677
1096	sub ext_reply($$$%) {	1678	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1098		1680
1099	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1682	}
1103		1683
1104	package cf;	1684	=item $player->ext_msg ($type, @msg)
		1685
		1686	Sends an ext event to the client.
		1687
		1688	=cut
		1689
		1690	sub ext_msg($$@) {
		1691	my ($self, $type, @msg) = @_;
		1692
		1693	$self->ns->ext_msg ($type, @msg);
		1694	}
		1695
		1696	=head3 cf::region
		1697
		1698	=over 4
		1699
		1700	=cut
		1701
		1702	package cf::region;
		1703
		1704	=item cf::region::find_by_path $path
		1705
		1706	Tries to decuce the likely region for a map knowing only its path.
		1707
		1708	=cut
		1709
		1710	sub find_by_path($) {
		1711	my ($path) = @_;
		1712
		1713	my ($match, $specificity);
		1714
		1715	for my $region (list) {
		1716	if ($region->{match} && $path =~ $region->{match}) {
		1717	($match, $specificity) = ($region, $region->specificity)
		1718	if $region->specificity > $specificity;
		1719	}
		1720	}
		1721
		1722	$match
		1723	}
1105		1724
1106	=back	1725	=back
1107
1108		1726
1109	=head3 cf::map	1727	=head3 cf::map
1110		1728
1111	=over 4	1729	=over 4
1112		1730
…		…
1124	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1126		1744
1127	sub generate_random_map {	1745	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1129	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1751	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1168		1789
1169	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1170	local $self->{path};	1791	local $self->{path};
1171	local $self->{load_path};	1792	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1793
1175	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1176	}	1795	}
1177		1796
1178	sub normalise {	1797	sub normalise {
1179	my ($path, $base) = @_;	1798	my ($path, $base) = @_;
1180		1799
1181	$path = "$path"; # make sure its a string	1800	$path = "$path"; # make sure its a string
		1801
		1802	$path =~ s/\.map$//;
1182		1803
1183	# map plan:	1804	# map plan:
1184	#	1805	#
1185	# /! non-realised random map exit (special hack!)	1806	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1807	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1224	return $self;	1845	return $self;
1225	}	1846	}
1226	}	1847	}
1227		1848
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1850	()
1230	}	1851	}
1231		1852
1232	sub init {	1853	sub init {
1233	my ($self) = @_;	1854	my ($self) = @_;
…		…
1248		1869
1249	# the original (read-only) location	1870	# the original (read-only) location
1250	sub load_path {	1871	sub load_path {
1251	my ($self) = @_;	1872	my ($self) = @_;
1252		1873
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1874	"$MAPDIR/$self->{path}.map"
1254	}	1875	}
1255		1876
1256	# the temporary/swap location	1877	# the temporary/swap location
1257	sub save_path {	1878	sub save_path {
1258	my ($self) = @_;	1879	my ($self) = @_;
1259		1880
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1882	"$TMPDIR/$path.map"
1262	}	1883	}
1263		1884
1264	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1265	sub uniq_path {	1886	sub uniq_path {
1266	my ($self) = @_;	1887	my ($self) = @_;
1267		1888
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1890	"$UNIQUEDIR/$path"
1270	}	1891	}
1271		1892
1272	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1273	# all maps in C++...	1894	# all maps in C++...
1274	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1276		1897
1277	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1279	}	1900	}
1280		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1281	sub unlink_save {	1910	sub unlink_save {
1282	my ($self) = @_;	1911	my ($self) = @_;
1283		1912
1284	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1917
1289	sub load_header_from($) {	1918	sub load_header_from($) {
1290	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1291		1920
1292	utf8::encode $path;	1921	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1294	or return;	1923	or return;
1295		1924
1296	$self->_load_header ($path)	1925	$self->_load_header ($f)
1297	or return;	1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1298		1930
1299	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1300		1932
1301	1	1933	1
1302	}	1934	}
…		…
1341	$self->load_header_orig	1973	$self->load_header_orig
1342	or return;	1974	or return;
1343	$self->prepare_orig;	1975	$self->prepare_orig;
1344	}	1976	}
1345		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
		1981	$self->default_region (cf::region::find_by_path $self->{path})
		1982	unless $self->default_region;
		1983
1346	1	1984	1
1347	}	1985	}
1348		1986
1349	sub find;	1987	sub find;
1350	sub find {	1988	sub find {
1351	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1352		1990
1353	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1354		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1356		1995
1357	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1359	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1360	or return;	2001	or return;
1361		2002
1362	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1363		2004
1364	$map->load_header	2005	$map->load_header
1365	or return;	2006	or return;
1366		2007
1367	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1370	$map->reset;	2013	$map->reset;
1371	undef $guard;
1372	return find $path;	2014	return find $path;
1373	}	2015	}
1374		2016
1375	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1376	}	2018	}
…		…
1380	sub post_load { }	2022	sub post_load { }
1381		2023
1382	sub load {	2024	sub load {
1383	my ($self) = @_;	2025	my ($self) = @_;
1384		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1385	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1387		2033
		2034	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2036
1390	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1391		2038
1392	$self->alloc;	2039	$self->alloc;
1393		2040
1394	$self->pre_load;	2041	$self->pre_load;
		2042	cf::cede_to_tick;
1395		2043
1396	$self->_load_objects ($self->{load_path}, 1)	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1397	or return;	2047	or return;
1398		2048
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1400	if delete $self->{load_original};	2050	if delete $self->{load_original};
1401		2051
1402	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2053	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2056	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1407	}	2060	}
1408	}	2061	}
1409		2062
1410	Coro::cede;	2063	$f->resolve_delayed_derefs;
1411		2064
		2065	cf::cede_to_tick;
1412	# now do the right thing for maps	2066	# now do the right thing for maps
1413	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2069	unless $self->difficulty;
1423	Coro::cede;	2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
		2077	$self->set_darkness_map;
		2078	cf::cede_to_tick;
1424	$self->activate;	2079	$self->activate;
		2080	}
		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
		2085	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2086	}
1426		2087
1427	$self->post_load;	2088	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2089	}
1431		2090
1432	sub customise_for {	2091	sub customise_for {
1433	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1434		2093
1435	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2095	if $self->per_player;
1437		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1438	$self	2100	$self
1439	}	2101	}
1440		2102
1441	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2104	sub load_neighbours {
1443	my ($map) = @_;	2105	my ($map) = @_;
1444		2106
1445	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1446		2108
1447	for (0 .. 3) {	2109	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1449	or next;	2111	or next;
1450	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1451	or next;	2113	or next;
1452	$neigh->load;	2114	$neigh->load;
1453		2115
		2116	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2119	}
1457		2120
1458	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1460	or next;	2124	or next;
1461	$neigh->load;	2125	$neigh->load;
1462	}	2126	}
1463	}	2127	}
1464		2128
…		…
1469	}	2133	}
1470		2134
1471	sub do_load_sync {	2135	sub do_load_sync {
1472	my ($map) = @_;	2136	my ($map) = @_;
1473		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1474	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1475	}	2142	}
1476		2143
1477	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1479		2146
1480	sub find_async {	2147	sub find_async {
1481	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1482		2149
1483	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1484		2151
1485	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2154	}
1488		2155
1489	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1490	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1491	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2163	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2164	$map->load if $v;
		2165	}
1496		2166
1497	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1498	}	2168	}
1499	}	2169	}
1500	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1501	};	2171	};
1502	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2175	}
1506		2176
1507	sub save {	2177	sub save {
1508	my ($self) = @_;	2178	my ($self) = @_;
1509		2179
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2181
1512	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1513		2183
1514	return unless $self->dirty;	2184	return unless $self->dirty;
1515		2185
…		…
1521	return if $self->{deny_save};	2191	return if $self->{deny_save};
1522		2192
1523	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1524		2194
1525	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1527	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1528		2201
1529	if ($uniq) {	2202	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2205	} else {
…		…
1538	my ($self) = @_;	2211	my ($self) = @_;
1539		2212
1540	# save first because save cedes	2213	# save first because save cedes
1541	$self->save;	2214	$self->save;
1542		2215
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2217
1545	return if $self->players;	2218	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2220	return if $self->{deny_save};
1548		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2226	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2227	}
1552		2228
1553	sub reset_at {	2229	sub reset_at {
1554	my ($self) = @_;	2230	my ($self) = @_;
1555		2231
1556	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1559		2234
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2237
…		…
1573	my ($self) = @_;	2248	my ($self) = @_;
1574		2249
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2251
1577	return if $self->players;	2252	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2253
1580	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
		2255
		2256	$self->in_memory (cf::MAP_SWAPPED);
		2257
		2258	# need to save uniques path
		2259	unless ($self->{deny_save}) {
		2260	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2261
		2262	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2263	if $uniq;
		2264	}
1581		2265
1582	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1583		2267
1584	$self->in_memory (cf::MAP_SWAPPED);	2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2270	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2271
1589	$self->unlink_save;	2272	$self->unlink_save;
1590	$self->destroy;	2273	$self->destroy;
1591	}	2274	}
1592		2275
1593	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1594		2277
1595	sub nuke {	2278	sub nuke {
1596	my ($self) = @_;	2279	my ($self) = @_;
1597		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1598	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1599		2285
1600	$self->unlink_save;	2286	$self->unlink_save;
1601		2287
1602	bless $self, "cf::map";	2288	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2293
1608	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1609		2296
1610	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1611	}	2334	}
1612		2335
1613	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1614		2337
1615	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2339	instantiated unique items. May block.
1617		2340
1618	=cut	2341	=cut
1619		2342
1620	sub unique_maps() {	2343	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1622	or return;	2345	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2346	utf8::decode $_;
1628	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2349	? ()
1631	s/\.map$//;	2350	: normalise $_
1632	push @paths, $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2352	]
1634
1635	\@paths
1636	}	2353	}
1637
1638	package cf;
1639		2354
1640	=back	2355	=back
1641		2356
1642	=head3 cf::object	2357	=head3 cf::object
1643		2358
…		…
1647		2362
1648	=over 4	2363	=over 4
1649		2364
1650	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1651		2366
1652	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1653		2369
1654	=cut	2370	=cut
1655		2371
1656	sub inv_recursive_;	2372	sub inv_recursive_;
1657	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1660		2376
1661	sub inv_recursive {	2377	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1663	}	2379	}
1664		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1665	package cf;	2409	package cf;
1666		2410
1667	=back	2411	=back
1668		2412
1669	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1678		2422
1679	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1680		2438
1681	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2440	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1686		2444
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2446
1689	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1691	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1694	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1695	}	2472	}
1696		2473
1697	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1698		2475
1699	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1712		2489
1713	=item $player_object->enter_link	2490	=item $player_object->enter_link
1714		2491
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2493
1717	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1719		2498
1720	Will never block.	2499	Will never block.
1721		2500
1722	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1723		2502
…		…
1731	=cut	2510	=cut
1732		2511
1733	sub link_map {	2512	sub link_map {
1734	unless ($LINK_MAP) {	2513	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2514	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2515	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2516	$LINK_MAP->load;
1738	}	2517	}
1739		2518
1740	$LINK_MAP	2519	$LINK_MAP
1741	}	2520	}
…		…
1746	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1747		2526
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2528
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1752		2531
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2533	}
1755		2534
1756	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1758		2539
1759	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1760		2541
1761	unless ($map) {	2542	unless ($map) {
1762	# restore original map position	2543	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1779		2560
1780	$map->load;	2561	$map->load;
1781	$map->load_diag;	2562	$map->load_neighbours;
1782		2563
1783	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1784	$self->activate_recursive;	2566	$self->activate_recursive;
		2567
		2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1786	}	2570	}
1787		2571
1788	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2573
1792	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1796	};	2578	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2579
1802	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2582
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1823		2586
1824	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
		2589
		2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2592
1827	$self->enter_link;	2593	$self->enter_link;
1828		2594
1829	(async {	2595	(async {
1830	my $map = cf::map::find $path;	2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
		2617	my $map = eval {
		2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
1832		2622	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2623	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
1837		2626
		2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
		2633	}
		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1839	})->prio (1);	2641	})->prio (1);
1840	}	2642	}
1841		2643
1842	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1843		2645
…		…
1863	}	2665	}
1864		2666
1865	sub prepare_random_map {	2667	sub prepare_random_map {
1866	my ($exit) = @_;	2668	my ($exit) = @_;
1867		2669
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2672	# that depends on the exit object
1873		2673
1874	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
1875		2675
1876	if ($exit->map) {	2676	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2677	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1881	}	2683	}
1882		2684
1883	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1884		2686
1885	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
1888		2690
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2693	undef $fh;
1892	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
1893		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1896	}	2702	}
1897	}	2703	}
1898		2704
1899	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1903		2709
1904	$self->enter_link;	2710	$self->enter_link;
1905		2711
1906	(async {	2712	(async {
1907	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1908	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
1909	prepare_random_map $exit	2722	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2723	if $exit->slaying eq "/!";
		2724	}
1911		2725
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
1914		2729
		2730	$self->goto ($map, $x, $y);
		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
1915	1;	2736	1
1916	}) {	2737	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2742
1922	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2744	$self->leave_link;
1924	}	2745	}
1925	})->prio (1);	2746	})->prio (1);
…		…
1938		2759
1939	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1941		2762
1942	utf8::encode $text;	2763	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2765	}
1945		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1946		2952
1947	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1948		2954
1949	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		2958
1953	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	2960	become reliable at some point in the future.
1955		2961
1956	=cut	2962	=cut
1957		2963
1958	sub cf::client::query {	2964	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2973	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2975
1970	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1972	}	2980	}
1973		2981
1974	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1975	on_reply => sub {	2988	on_reply => sub {
1976	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1977		2990
1978	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1979	# get handled first	2992	# get handled first
1980	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2995
1983	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2998
1985	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1986		3000
1987	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3002	if (@$queue) {
…		…
1990	} else {	3004	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3006	}
1993	}	3007	}
1994	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1995	);	3035	);
1996		3036
1997	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1998		3038
1999	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2042		3082
2043	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2044		3084
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2046		3090
2047	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2048		3092
2049	=pod	3093	=pod
2050		3094
2051	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2052		3096
2053	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2054	cf::object::player player	3101	cf::object::player
2055	cf::player peaceful	3102	player
2056	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2057		3109
2058	=cut	3110	=cut
2059		3111
2060	for (	3112	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2062	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2065	) {	3119	) {
2066	no strict 'refs';	3120	no strict 'refs';
…		…
2137	=back	3191	=back
2138		3192
2139	=cut	3193	=cut
2140		3194
2141	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2142		3197
2143	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2144		3200
2145	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2147	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3204
2149	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3206
2152	=over 4	3207	warn "loading facedata from $path\n";
2153		3208
2154	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2155		3212
2156	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3214
2160	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3217
2162	Returns a single value from the database	3218	# patch in the exptable
2163		3219	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2165		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3222	};
		3223	cf::cede_to_tick;
2192		3224
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2204		3227
2205	my $dirty;	3228	while (my ($face, $info) = each %$faces) {
		3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3230
2207	sub db_sync() {	3231	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3235
2212	my $idle = Event->idle (	3236	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3237	}
2246	);
2247	}
2248		3238
2249	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3240	next unless $info->{smooth};
2251		3241
2252	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 {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3385	or return;
2255		3386
2256	local $/;	3387	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2258		3389
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3391
2261	$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};
2262	$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};
…		…
2268	};	3399	};
2269	warn $@ if $@;	3400	warn $@ if $@;
2270	}	3401	}
2271	}	3402	}
2272		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
2273	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2274	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3442	(async {
2278	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2280	};	3446	};
2281		3447
2282	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
		3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2284	load_extensions;	3466	load_extensions;
2285		3467
2286	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2287	Event::loop;	3476	EV::loop;
2288	}	3477	}
2289		3478
2290	#############################################################################	3479	#############################################################################
2291	# initialisation and cleanup	3480	# initialisation and cleanup
2292		3481
2293	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2294	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2303	},
2304	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2305	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2306	}	3576	}
2307		3577
2308	sub emergency_save() {	3578	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2310		3580
2311	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2312		3582
2313	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2314	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3597	$pl->save;
2322	}	3598	}
2323	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2324		3600
2325	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3604	$map->valid or next;
2329	$map->save;	3605	$map->save;
2330	}	3606	}
2331	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
		3608
		3609	warn "emergency_perl_save: begin database checkpoint\n";
		3610	BDB::db_env_txn_checkpoint $DB_ENV;
		3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2332	};	3616	};
2333		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2334	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2335	}	3624	}
2336		3625
		3626	sub post_cleanup {
		3627	my ($make_core) = @_;
		3628
		3629	warn Carp::longmess "post_cleanup backtrace"
		3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
		3660	}
		3661
2337	sub reload() {	3662	sub do_reload_perl() {
2338	# can/must only be called in main	3663	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2341	return;	3666	return;
2342	}	3667	}
2343		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2344	warn "reloading...";	3674	warn "reloading...";
2345		3675
2346	warn "cancelling server ticker";	3676	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3677
		3678	cf::sync_job {
		3679	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3680	cf::emergency_save;
		3681	cf::write_runtime_sync; # external watchdog should not bark
2350		3682
2351	eval {	3683	warn "syncing database to disk";
		3684	BDB::db_env_txn_checkpoint $DB_ENV;
		3685
2352	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2353		3687
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2363	for (;;) {	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2364	IO::AIO::flush;	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();
2373
2374	warn "removing commands";
2375	%COMMAND = ();
2376
2377	warn "removing ext commands";
2378	%EXTCMD = ();
2379
2380	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";
2383
2384	if (my $cb = $pkg->can ("unload")) {
2385	eval {
2386	$cb->($pkg);
2387	1
2388	} or warn "$pkg unloaded, but with errors: $@";
2389	}	3691	}
2390		3692
2391	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2392	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2393	}	3695	%EXT_CORO = ();
2394		3696
2395	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2396	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2399	warn "... unloading $k";	3706	warn "... unloading $pkg";
2400	delete $INC{$k};
2401		3707
2402	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;
2404
2405	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2406	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2407	}	3717	}
2408		3718
2409	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2410	}	3734	}
2411		3735
2412	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3739
2416	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2418		3743
2419	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3745	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2422		3747
2423	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2424		3749
2425	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2426	require cf;	3751	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3753
2429	warn "loading config and database again";	3754	warn "loading config and database again";
2430	cf::cfg_load;	3755	cf::reload_config;
2431	cf::db_load;
2432		3756
2433	warn "loading extensions";	3757	warn "loading extensions";
2434	cf::load_extensions;	3758	cf::load_extensions;
2435		3759
		3760	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3762	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
		3765	warn "reattaching attachments to players";
		3766	reattach $_ for values %PLAYER;
		3767	}
2440		3768
2441	warn "restarting server ticker";	3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
2442		3771
2443	$TICK_WATCHER->start;	3772	warn "leaving sync_job";
		3773
		3774	1
		3775	} or do {
		3776	warn $@;
		3777	cf::cleanup "error while reloading, exiting.";
		3778	};
		3779
		3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
		3786	};
		3787
		3788	our $RELOAD_WATCHER; # used only during reload
		3789
		3790	sub reload_perl() {
		3791	# doing reload synchronously and two reloads happen back-to-back,
		3792	# coro crashes during coro_state_free->destroy here.
		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
		3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
		3799	undef $RELOAD_WATCHER;
		3800	};
2444	};	3801	};
2445		3802	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		3803
2457	register_command "reload" => sub {	3804	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2459		3806
2460	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
2462		3809	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3810	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	3811	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3812	};
2475	}	3813	}
2476	};	3814	};
2477		3815
2478	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2479		3817
2480	my $bug_warning = 0;	3818	my $bug_warning = 0;
2481		3819
2482	$TICK_WATCHER = Event->timer (	3820	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3821	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3822
2485	prio => 0,	3823	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3825
2488	cb => sub {	3826	my $signal = new Coro::Signal;
		3827	push @WAIT_FOR_TICK, $signal;
		3828	$signal->wait;
		3829	}
		3830
		3831	sub wait_for_tick_begin {
		3832	return if tick_inhibit || $Coro::current == $Coro::main;
		3833
		3834	my $signal = new Coro::Signal;
		3835	push @WAIT_FOR_TICK_BEGIN, $signal;
		3836	$signal->wait;
		3837	}
		3838
		3839	sub tick {
2489	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2492	return;	3843	return;
2493	}	3844	}
2494		3845
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3847
2501	$WAIT_FOR_TICK->broadcast;	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3850	Coro::async_pool {
2504	Event::sweep;	3851	$Coro::current->{desc} = "runtime saver";
2505	Coro::cede_notself;
2506
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},
2516	);
2517
2518	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529
2530	$WRITE_RUNTIME_WATCHER = Event->timer (
2531	reentrant => 0,
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime	3852	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
		3854	};
2539	},	3855	}
2540	);	3856
		3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3858	$sig->send;
		3859	}
		3860	while (my $sig = shift @WAIT_FOR_TICK) {
		3861	$sig->send;
		3862	}
		3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
		3875
		3876	{
		3877	# configure BDB
		3878
		3879	BDB::min_parallel 8;
		3880	BDB::max_poll_reqs $TICK * 0.1;
		3881	$AnyEvent::BDB::WATCHER->priority (1);
		3882
		3883	unless ($DB_ENV) {
		3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3890
		3891	cf::sync_job {
		3892	eval {
		3893	BDB::db_env_open
		3894	$DB_ENV,
		3895	$BDBDIR,
		3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3898	0666;
		3899
		3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3901	};
		3902
		3903	cf::cleanup "db_env_open(db): $@" if $@;
		3904	};
		3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
		3916	}
		3917
		3918	{
		3919	# configure IO::AIO
		3920
		3921	IO::AIO::min_parallel 8;
		3922	IO::AIO::max_poll_time $TICK * 0.1;
		3923	undef $AnyEvent::AIO::WATCHER;
		3924	}
		3925
		3926	my $_log_backtrace;
		3927
		3928	sub _log_backtrace {
		3929	my ($msg, @addr) = @_;
		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
		3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
		3940	my @bt = fork_call {
		3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3944	or die "addr2line: $!";
		3945
		3946	my @funcs;
		3947	my @res = <$fh>;
		3948	chomp for @res;
		3949	while (@res) {
		3950	my ($func, $line) = splice @res, 0, 2, ();
		3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
		3955	};
		3956
		3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
		3961	};
		3962	} else {
		3963	LOG llevInfo, "[ABT] $msg\n";
		3964	LOG llevInfo, "[ABT] [suppressed]\n";
		3965	}
		3966	}
		3967
		3968	# load additional modules
		3969	use cf::pod;
2541		3970
2542	END { cf::emergency_save }	3971	END { cf::emergency_save }
2543		3972
2544	1	3973	1
2545		3974

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