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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	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		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	109	our $NEXT_TICK;
52	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
53		118
54	our %CFG;	119	our %CFG;
55		120
56	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
58		124
59	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
67	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
70	binmode STDOUT;	141	binmode STDOUT;
71	binmode STDERR;	142	binmode STDERR;
72		143
73	# read virtual server time, if available	144	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
78	}	149	}
79		150
80	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	152
82	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		155
86	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
		157
		158	sub cf::map::normalise;
87		159
88	#############################################################################	160	#############################################################################
89		161
90	=head2 GLOBAL VARIABLES	162	=head2 GLOBAL VARIABLES
91		163
…		…
98	=item $cf::RUNTIME	170	=item $cf::RUNTIME
99		171
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	173	every server tick.
102		174
103	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		178
105	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
107		183
108	=item $cf::NOW	184	=item $cf::NOW
109		185
110	The time of the last (current) server tick.	186	The time of the last (current) server tick.
111		187
112	=item $cf::TICK	188	=item $cf::TICK
113		189
114	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
115		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
116	=item %cf::CFG	202	=item %cf::CFG
117		203
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	205	from wherever your confdir points to.
120		206
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		208
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	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	210	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	211	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.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
127		218
128	=back	219	=back
129		220
130	=cut	221	=cut
131		222
132	BEGIN {	223	BEGIN {
133	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	225	my $msg = join "", @_;
135	utf8::encode $msg;
136		226
137	$msg .= "\n"	227	$msg .= "\n"
138	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
139		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
140	LOG llevError, $msg;	232	LOG llevError, $msg;
141	};	233	};
142	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
143		250
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		258
151	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	260	# within the Safe compartment.
153	for my $pkg (qw(	261	for my $pkg (qw(
154	cf::global cf::attachable	262	cf::global cf::attachable
155	cf::object cf::object::player	263	cf::object cf::object::player
156	cf::client cf::player	264	cf::client cf::player
157	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
158	cf::map cf::party cf::region	267	cf::party cf::region
159	)) {	268	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	270	}
163		271
164	$Event::DIED = sub {	272	$EV::DIED = sub {
165	warn "error in event callback: @_";	273	warn "error in event callback: @_";
166	};	274	};
		275
		276	#############################################################################
167		277
168	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
169		279
170	=over 4	280	=over 4
171		281
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	301	$d
192	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
193	}	303	}
194		304
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
198		306
199	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
200		308
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
209		310
210	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
211		312
212	=cut	313	=cut
213		314
214	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
216	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
217	}	332	}
218		333
219	=item cf::lock_wait $string	334	=item cf::lock_wait $string
220		335
221	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
222		337
223	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
224		339
225	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
228	returned.	343	returned.
229		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
230	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
232		350
233	=cut	351	=item $locked = cf::lock_active $string
234		352
235	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
236		358
237	sub lock_wait($) {	359	sub lock_wait($) {
238	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	361	}
246		362
247	sub lock_acquire($) {	363	sub lock_acquire($) {
248	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
249		366
250	# wait, to be sure we are not locked	367	sub lock_active($) {
251	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	369	}
260		370
261	sub freeze_mainloop {	371	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
263		373
264	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	375	}
266	$WRITE_RUNTIME_WATCHER->start;	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
267	};	435	}
268	$WRITE_RUNTIME_WATCHER->stop;	436	};
269	$TICK_WATCHER->stop;	437
270	$guard	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
271	}	450	}
272		451
273	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
274		453
275	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		459
281	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
282		461
283	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
284		463
285	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
288		468
289	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
292	fast or be very important.	472	fast or be very important.
…		…
295		475
296	sub sync_job(&) {	476	sub sync_job(&) {
297	my ($job) = @_;	477	my ($job) = @_;
298		478
299	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
300	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
302		484
303	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	486
305	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
306		488
307	my $busy = 1;	489	my $busy = 1;
308	my @res;	490	my @res;
309		491
310	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	494	@res = eval { $job->() };
312	warn $@ if $@;	495	warn $@ if $@;
313	undef $busy;	496	undef $busy;
314	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
315		498
316	while ($busy) {	499	while ($busy) {
317	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
318	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
319		510
320	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
321	} else {	512	} else {
322	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
323		514
…		…
343	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
344		535
345	$coro	536	$coro
346	}	537	}
347		538
348	sub write_runtime {	539	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		540
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
352	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
353		545
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	546	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		547
358	aio_fsync $fh	548	sub fork_call(&@) {
359	and return;	549	my ($cb, @args) = @_;
360		550
361	close $fh	551	# we seemingly have to make a local copy of the whole thing,
362	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
363		554
364	aio_rename "$runtime~", $runtime	555	my @res = Coro::Util::fork_eval {
365	and return;	556	reset_signals;
		557	&$cb
		558	}, @args;
366		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
367	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	726	}
369		727
370	=back	728	=back
371		729
372	=cut	730	=cut
373		731
374	#############################################################################	732	#############################################################################
375		733
376	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
377		735
378	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
381		739
382	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	742	Deliantra).
385		743
386	=over 4	744	=over 4
387		745
388	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
389		747
…		…
433	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
434		792
435	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
437		795
438	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
440		798
441	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
442		800
443	=over 4	801	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	861	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	862	our @CB_MAP = ();
505		863
506	my %attachment;	864	my %attachment;
507		865
		866	sub cf::attachable::thawer_merge {
		867	# simply override everything except _meta
		868	local $_[0]{_meta};
		869	%{$_[0]} = %{$_[1]};
		870	}
		871
508	sub _attach_cb($$$$) {	872	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	873	my ($registry, $event, $prio, $cb) = @_;
510		874
511	use sort 'stable';	875	use sort 'stable';
512		876
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
547		911
548	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		916
553	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	918	my $pkg = shift @arg;
555		919
556	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
586	}	950	}
587		951
588	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
589	} else {	953	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	955	}
592		956
593	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
594	}	958	}
595		959
…		…
597	if (ref $_[0]) {	961	if (ref $_[0]) {
598	_object_attach @_;	962	_object_attach @_;
599	} else {	963	} else {
600	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
601	}	965	}
		966	_recalc_want;
602	};	967	};
603		968
604	# all those should be optimised	969	# all those should be optimised
605	sub cf::attachable::detach {	970	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
610	reattach ($obj);	975	reattach ($obj);
611	} else {	976	} else {
612	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
613	}	978	}
		979	_recalc_want;
614	};	980	};
615		981
616	sub cf::attachable::attached {	982	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
618		984
…		…
633	";	999	";
634	die if $@;	1000	die if $@;
635	}	1001	}
636		1002
637	our $override;	1003	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1005
640	sub override {	1006	sub override {
641	$override = 1;	1007	$override = 1;
642	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
643	}	1009	}
644		1010
645	sub do_invoke {	1011	sub do_invoke {
646	my $event = shift;	1012	my $event = shift;
647	my $callbacks = shift;	1013	my $callbacks = shift;
648		1014
649	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
650		1016
651	local $override;	1017	local $override;
652		1018
653	for (@$callbacks) {	1019	for (@$callbacks) {
654	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
663	}	1029	}
664		1030
665	0	1031	0
666	}	1032	}
667		1033
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1035
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1037
672	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
673		1039
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1043
678	=back	1044	=back
679		1045
680	=cut	1046	=cut
681		1047
682	#############################################################################	1048	#############################################################################
683	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
684		1092
685	sub reattach {	1093	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1095	my ($obj) = @_;
688		1096
		1097	# no longer needed after getting rid of delete_package?
689	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
690		1099
691	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
692		1101
693	@$registry = ();	1102	@$registry = ();
694		1103
…		…
709	cf::attachable->attach (	1118	cf::attachable->attach (
710	prio => -1000000,	1119	prio => -1000000,
711	on_instantiate => sub {	1120	on_instantiate => sub {
712	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
713		1122
714	$data = from_json $data;	1123	$data = decode_json $data;
715		1124
716	for (@$data) {	1125	for (@$data) {
717	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
718		1127
719	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1144	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
737		1146
738	sync_job {	1147	sync_job {
739	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
742		1152
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1157	aio_close $fh;
748		1158
749	if (@$objs) {	1159	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1164	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1165	aio_close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
757	}	1167	}
758	} else {	1168	} else {
759	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
760	}	1170	}
761		1171
762	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
763	} else {	1176	} else {
764	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
765	}	1178	}
766	} else {	1179	} else {
767	aio_unlink $filename;	1180	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
769	}	1182	}
770	}	1183	};
771	}	1184	}
772		1185
773	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
775		1188
…		…
787	or return;	1200	or return;
788		1201
789	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
791	or return;	1204	or return;
		1205
792	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
793	}	1208	}
794		1209
		1210	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
797	return ($data, $av);	1214	($data, $av)
798	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
799		1222
800	#############################################################################	1223	#############################################################################
801	# command handling &c	1224	# command handling &c
802		1225
803	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1240	}
818		1241
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1243
821	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
822		1249
823	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
824	called.	1251	called.
825		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
826	=cut	1264	=cut
827		1265
828	sub register_extcmd {	1266	sub register_extcmd {
829	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
830		1268
831	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
832	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
833		1279
834	cf::player->attach (	1280	cf::player->attach (
835	on_command => sub {	1281	on_command => sub {
836	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
837		1283
…		…
845	cf::override;	1291	cf::override;
846	},	1292	},
847	on_extcmd => sub {	1293	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
849		1295
850	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1297
852	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
858	} else {	1313	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1315	}
861		1316
862	cf::override;	1317	cf::override;
863	},	1318	},
864	);	1319	);
865		1320
		1321	# "readahead" all extensions
866	sub load_extension {	1322	sub cache_extensions {
867	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
868		1324
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
870	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
871	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}	1328	}
894	die $@;
895	}	1329	};
896		1330
897	push @EXTS, $pkg;	1331	$grp
898	}	1332	}
899		1333
900	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
901	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1339	next unless -r $path;
903	eval {	1340
904	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
905	1	1397	}
906	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
907	}	1403	};
908	}	1404	}
909		1405
910	#############################################################################	1406	#############################################################################
911		1407
		1408	=back
		1409
912	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
913		1411
914	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
915		1413
916	=cut	1414	=cut
917		1415
918	package cf::player;	1416	package cf::player;
919		1417
…		…
921		1419
922	=head3 cf::player	1420	=head3 cf::player
923		1421
924	=over 4	1422	=over 4
925		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
926	=item cf::player::find $login	1438	=item cf::player::find $login
927		1439
928	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
929		1441
930	=cut	1442	=cut
931		1443
932	sub playerdir($) {	1444	sub playerdir($) {
933	cf::localdir	1445	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1447	}
939		1448
940	sub path($) {	1449	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1451
943	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
944	}	1453	}
945		1454
946	sub find_active($) {	1455	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
951		1460
952	sub exists($) {	1461	sub exists($) {
953	my ($login) = @_;	1462	my ($login) = @_;
954		1463
955	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1465	or !aio_stat path $login
957	}	1466	}
958		1467
959	sub find($) {	1468	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1470	my $login = $_[0];
962		1471
963	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
964		1473
965	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
967	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
969	}	1491	}
970	}	1492	}
971	}	1493	}
972		1494
…		…
981	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
982		1504
983	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
985		1507
		1508	cf::get_slot 0.01;
		1509
986	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
987	Coro::cede;	1511	cf::cede_to_tick;
988	}	1512	}
989		1513
990	sub new($) {	1514	sub new($) {
991	my ($login) = @_;	1515	my ($login) = @_;
992		1516
…		…
998	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
999		1523
1000	$self	1524	$self
1001	}	1525	}
1002		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1003	=item $pl->quit_character	1537	=item $pl->quit_character
1004		1538
1005	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1007		1541
1008	=cut	1542	=cut
1009		1543
1010	sub quit_character {	1544	sub quit_character {
1011	my ($pl) = @_;	1545	my ($pl) = @_;
1012		1546
		1547	my $name = $pl->ob->name;
		1548
1013	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1015		1551
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1019	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1020		1558
1021	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1561	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1562	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1563	$pl->destroy;
		1564
		1565	my $prefix = qr<^~\Q$name\E/>;
		1566
		1567	# nuke player maps
		1568	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1569
1026	IO::AIO::aio_rmtree $temp;	1570	IO::AIO::aio_rmtree $temp;
		1571	}
		1572
		1573	=item $pl->kick
		1574
		1575	Kicks a player out of the game. This destroys the connection.
		1576
		1577	=cut
		1578
		1579	sub kick {
		1580	my ($pl, $kicker) = @_;
		1581
		1582	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1583	$pl->killer ("kicked");
		1584	$pl->ns->destroy;
1027	}	1585	}
1028		1586
1029	=item cf::player::list_logins	1587	=item cf::player::list_logins
1030		1588
1031	Returns am arrayref of all valid playernames in the system, can take a	1589	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1033		1591
1034	=cut	1592	=cut
1035		1593
1036	sub list_logins {	1594	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1596	or return [];
1039		1597
1040	my @logins;	1598	my @logins;
1041		1599
1042	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1046		1610
1047	utf8::decode $login;	1611	utf8::decode $login;
1048	push @logins, $login;	1612	push @logins, $login;
1049	}	1613	}
1050		1614
…		…
1058		1622
1059	=cut	1623	=cut
1060		1624
1061	sub maps($) {	1625	sub maps($) {
1062	my ($pl) = @_;	1626	my ($pl) = @_;
		1627
		1628	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1629
1064	my $files = aio_readdir playerdir $pl	1630	my $files = aio_readdir playerdir $pl
1065	or return;	1631	or return;
1066		1632
1067	my @paths;	1633	my @paths;
…		…
1069	for (@$files) {	1635	for (@$files) {
1070	utf8::decode $_;	1636	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1637	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1638	next unless /^$PATH_SEP/o;
1073		1639
1074	s/\.map$//;	1640	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1641	}
1077		1642
1078	\@paths	1643	\@paths
1079	}	1644	}
1080		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1082		1651
1083	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1084		1653
1085	=cut	1654	=cut
1086		1655
1087	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1089		1658
1090	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1660	}
1094		1661
1095	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1096		1702
1097	=back	1703	=back
1098
1099		1704
1100	=head3 cf::map	1705	=head3 cf::map
1101		1706
1102	=over 4	1707	=over 4
1103		1708
…		…
1107		1712
1108	use Fcntl;	1713	use Fcntl;
1109	use Coro::AIO;	1714	use Coro::AIO;
1110		1715
1111	use overload	1716	use overload
1112	'""' => \&as_string;	1717	'""' => \&as_string,
		1718	fallback => 1;
1113		1719
1114	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1116		1722
1117	sub generate_random_map {	1723	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1727
1120	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1729	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1741	)
1134	}	1742	}
1135		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
1136	sub register {	1752	sub register {
1137	my (undef, $regex) = @_;	1753	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1754	my $pkg = caller;
1139		1755
1140	no strict;	1756	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1757	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1758
1143	$EXT_MAP{$pkg} = qr<$regex>;	1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1760	}
1145		1761
1146	# also paths starting with '/'	1762	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1764
		1765	sub thawer_merge {
		1766	my ($self, $merge) = @_;
		1767
		1768	# we have to keep some variables in memory intact
		1769	local $self->{path};
		1770	local $self->{load_path};
		1771
		1772	$self->SUPER::thawer_merge ($merge);
		1773	}
1148		1774
1149	sub normalise {	1775	sub normalise {
1150	my ($path, $base) = @_;	1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
1151		1781
1152	# map plan:	1782	# map plan:
1153	#	1783	#
1154	# /! non-realised random map exit (special hack!)	1784	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1785	# {... are special paths that are not being touched
…		…
1183		1813
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1815
1186	$path = normalise $path, $base;	1816	$path = normalise $path, $base;
1187		1817
1188	for my $pkg (keys %EXT_MAP) {	1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1820	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1821	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1193	return $self;	1823	return $self;
1194	}	1824	}
1195	}	1825	}
1196		1826
1197	Carp::carp "unable to resolve path '$path'.";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1828	()
1199	}	1829	}
1200		1830
1201	sub init {	1831	sub init {
1202	my ($self) = @_;	1832	my ($self) = @_;
…		…
1217		1847
1218	# the original (read-only) location	1848	# the original (read-only) location
1219	sub load_path {	1849	sub load_path {
1220	my ($self) = @_;	1850	my ($self) = @_;
1221		1851
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1223	}	1853	}
1224		1854
1225	# the temporary/swap location	1855	# the temporary/swap location
1226	sub save_path {	1856	sub save_path {
1227	my ($self) = @_;	1857	my ($self) = @_;
1228		1858
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1231	}	1861	}
1232		1862
1233	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1234	sub uniq_path {	1864	sub uniq_path {
1235	my ($self) = @_;	1865	my ($self) = @_;
1236		1866
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1239	}	1869	}
1240		1870
1241	# and all this just because we cannot iterate over	1871	sub decay_objects {
1242	# all maps in C++...
1243	sub change_all_map_light {
1244	my ($change) = @_;	1872	my ($self) = @_;
1245		1873
1246	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1247	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1248	}	1877	}
1249		1878
1250	sub unlink_save {	1879	sub unlink_save {
1251	my ($self) = @_;	1880	my ($self) = @_;
1252		1881
1253	utf8::encode (my $save = $self->save_path);	1882	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1883	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1884	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1885	}
1257		1886
1258	sub load_header_from($) {	1887	sub load_header_from($) {
1259	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1260		1889
1261	utf8::encode $path;	1890	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1263	or return;	1892	or return;
1264		1893
1265	$self->_load_header ($path)	1894	$self->_load_header ($f)
1266	or return;	1895	or return;
1267		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
		1899
1268	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1269		1901
1270	1	1902	1
1271	}	1903	}
1272		1904
1273	sub load_orig {	1905	sub load_header_orig {
1274	my ($self) = @_;	1906	my ($self) = @_;
1275		1907
1276	$self->load_header_from ($self->load_path)	1908	$self->load_header_from ($self->load_path)
1277	}	1909	}
1278		1910
1279	sub load_temp {	1911	sub load_header_temp {
1280	my ($self) = @_;	1912	my ($self) = @_;
1281		1913
1282	$self->load_header_from ($self->save_path)	1914	$self->load_header_from ($self->save_path)
		1915	}
		1916
		1917	sub prepare_temp {
		1918	my ($self) = @_;
		1919
		1920	$self->last_access ((delete $self->{last_access})
		1921	|| $cf::RUNTIME); #d#
		1922	# safety
		1923	$self->{instantiate_time} = $cf::RUNTIME
		1924	if $self->{instantiate_time} > $cf::RUNTIME;
		1925	}
		1926
		1927	sub prepare_orig {
		1928	my ($self) = @_;
		1929
		1930	$self->{load_original} = 1;
		1931	$self->{instantiate_time} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933	$self->instantiate;
1283	}	1934	}
1284		1935
1285	sub load_header {	1936	sub load_header {
1286	my ($self) = @_;	1937	my ($self) = @_;
1287		1938
1288	if ($self->load_temp) {	1939	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1940	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1941	} else {
1295	$self->load_orig	1942	$self->load_header_orig
1296	or return;	1943	or return;
1297		1944	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1945	}
		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
1303		1952
1304	1	1953	1
1305	}	1954	}
1306		1955
1307	sub find;	1956	sub find;
1308	sub find {	1957	sub find {
1309	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1310		1959
1311	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1312		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1314		1964
1315	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";
1317	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1318	or return;	1967	or return;
1319		1968
1320	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1321		1970
1322	$map->load_header	1971	$map->load_header
1323	or return;	1972	or return;
1324		1973
1325	if ($map->should_reset) {	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1975	# doing this can freeze the server in a sync job, obviously
		1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1326	$map->reset;	1979	$map->reset;
1327	undef $guard;
1328	$map = find $path	1980	return find $path;
1329	or return;
1330	}	1981	}
1331		1982
1332	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1333	}	1984	}
1334	}	1985	}
		1986
		1987	sub pre_load { }
		1988	sub post_load { }
1335		1989
1336	sub load {	1990	sub load {
1337	my ($self) = @_;	1991	my ($self) = @_;
1338		1992
		1993	local $self->{deny_reset} = 1; # loading can take a long time
		1994
1339	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1341		1999
		2000	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2002
1344	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1345		2004
1346	$self->alloc;	2005	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2006
		2007	$self->pre_load;
		2008	cf::cede_to_tick;
		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1348	or return;	2013	or return;
1349		2014
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1351	if delete $self->{load_original};	2016	if delete $self->{load_original};
1352		2017
1353	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2019	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2022	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1358	}	2026	}
1359	}	2027	}
1360		2028
1361	Coro::cede;	2029	$f->resolve_delayed_derefs;
1362		2030
		2031	cf::cede_to_tick;
1363	# now do the right thing for maps	2032	# now do the right thing for maps
1364	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2035	unless $self->difficulty;
1374	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1375	$self->activate;	2043	$self->activate;
1376	}	2044	}
1377		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
		2050	}
		2051
		2052	$self->post_load;
1379	}	2053	}
1380		2054
1381	sub customise_for {	2055	sub customise_for {
1382	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1383		2057
1384	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2059	if $self->per_player;
1386		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1387	$self	2064	$self
1388	}	2065	}
1389		2066
1390	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2068	sub load_neighbours {
1392	my ($map) = @_;	2069	my ($map) = @_;
1393		2070
1394	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1395		2072
1396	for (0 .. 3) {	2073	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1398	or next;	2075	or next;
1399	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1400	or next;	2077	or next;
1401	$neigh->load;	2078	$neigh->load;
1402		2079
		2080	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2083	}
1406		2084
1407	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1409	or next;	2088	or next;
1410	$neigh->load;	2089	$neigh->load;
1411	}	2090	}
1412	}	2091	}
1413		2092
…		…
1418	}	2097	}
1419		2098
1420	sub do_load_sync {	2099	sub do_load_sync {
1421	my ($map) = @_;	2100	my ($map) = @_;
1422		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1423	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1424	}	2106	}
1425		2107
1426	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2109	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2110
1440	sub find_async {	2111	sub find_async {
1441	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1442		2113
1443	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1444		2115
1445	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2118	}
		2119
		2120	$MAP_PREFETCH{$path} |= $load;
		2121
		2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
		2125	while (%MAP_PREFETCH) {
		2126	while (my ($k, $v) = each %MAP_PREFETCH) {
		2127	if (my $map = find $k) {
		2128	$map->load if $v;
		2129	}
		2130
		2131	delete $MAP_PREFETCH{$k};
		2132	}
		2133	}
		2134	undef $MAP_PREFETCHER;
1447	}	2135	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2136	$MAP_PREFETCHER->prio (6);
1451		2137
1452	()	2138	()
1453	}	2139	}
1454		2140
1455	sub save {	2141	sub save {
1456	my ($self) = @_;	2142	my ($self) = @_;
1457		2143
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2145
1460	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1461		2147
1462	return unless $self->dirty;	2148	return unless $self->dirty;
1463		2149
…		…
1469	return if $self->{deny_save};	2155	return if $self->{deny_save};
1470		2156
1471	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1472		2158
1473	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1475	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1476		2165
1477	if ($uniq) {	2166	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1480	} else {	2169	} else {
…		…
1486	my ($self) = @_;	2175	my ($self) = @_;
1487		2176
1488	# save first because save cedes	2177	# save first because save cedes
1489	$self->save;	2178	$self->save;
1490		2179
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2181
1493	return if $self->players;	2182	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1495	return if $self->{deny_save};	2184	return if $self->{deny_save};
1496		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2190	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2191	}
1500		2192
1501	sub reset_at {	2193	sub reset_at {
1502	my ($self) = @_;	2194	my ($self) = @_;
1503		2195
1504	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1507		2198
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2201
…		…
1515	my ($self) = @_;	2206	my ($self) = @_;
1516		2207
1517	$self->reset_at <= $cf::RUNTIME	2208	$self->reset_at <= $cf::RUNTIME
1518	}	2209	}
1519		2210
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2211	sub reset {
1535	my ($self) = @_;	2212	my ($self) = @_;
1536		2213
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2215
1539	return if $self->players;	2216	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2217
1542	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	# need to save uniques path
		2223	unless ($self->{deny_save}) {
		2224	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2225
		2226	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2227	if $uniq;
		2228	}
1543		2229
1544	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1545		2231
1546	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2234	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2235
1551	$self->unlink_save;	2236	$self->unlink_save;
1552	$self->destroy;	2237	$self->destroy;
1553	}	2238	}
1554		2239
1555	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1556		2241
1557	sub nuke {	2242	sub nuke {
1558	my ($self) = @_;	2243	my ($self) = @_;
1559		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
		2248	delete $cf::MAP{$self->path};
		2249
		2250	$self->unlink_save;
		2251
		2252	bless $self, "cf::map";
		2253	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2257
		2258	$cf::MAP{$self->path} = $self;
		2259	}
		2260
1563	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1564	}	2298	}
1565		2299
1566	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1567		2301
1568	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2303	instantiated unique items. May block.
1570		2304
1571	=cut	2305	=cut
1572		2306
1573	sub unique_maps() {	2307	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1575	or return;	2309	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2310	utf8::decode $_;
1581	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1582	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1583		2313	? ()
1584	s/\.map$//;	2314	: normalise $_
1585	push @paths, $_;	2315	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2316	]
1587
1588	\@paths
1589	}	2317	}
1590
1591	package cf;
1592		2318
1593	=back	2319	=back
1594		2320
1595	=head3 cf::object	2321	=head3 cf::object
1596		2322
…		…
1600		2326
1601	=over 4	2327	=over 4
1602		2328
1603	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1604		2330
1605	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1606		2333
1607	=cut	2334	=cut
1608		2335
1609	sub inv_recursive_;	2336	sub inv_recursive_;
1610	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1613		2340
1614	sub inv_recursive {	2341	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1616	}	2343	}
1617		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1618	package cf;	2373	package cf;
1619		2374
1620	=back	2375	=back
1621		2376
1622	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1629	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1630	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1631		2386
1632	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1633		2402
1634	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1635	# with dialog boxes.	2404	# with dialog boxes.
1636	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1637	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1639		2408
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2410
1642	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1644	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1647	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1648	}	2436	}
1649		2437
1650	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1651		2439
1652	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1665		2453
1666	=item $player_object->enter_link	2454	=item $player_object->enter_link
1667		2455
1668	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1669		2457
1670	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1671	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1672		2462
1673	Will never block.	2463	Will never block.
1674		2464
1675	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1676		2466
…		…
1684	=cut	2474	=cut
1685		2475
1686	sub link_map {	2476	sub link_map {
1687	unless ($LINK_MAP) {	2477	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2478	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2479	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2480	$LINK_MAP->load;
1691	}	2481	}
1692		2482
1693	$LINK_MAP	2483	$LINK_MAP
1694	}	2484	}
…		…
1699	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1700		2490
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2492
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1705		2495
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2497	}
1708		2498
1709	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1711		2503
1712	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1713		2505
1714	unless ($map) {	2506	unless ($map) {
1715	# restore original map position	2507	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1732		2524
1733	$map->load;	2525	$map->load;
1734	$map->load_diag;	2526	$map->load_neighbours;
1735		2527
1736	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1737	$self->activate_recursive;	2530	$self->activate_recursive;
		2531
		2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1739	}	2534	}
1740		2535
1741	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2537
1745	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1749	};	2542	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2543
1755	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1756	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772		2546
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1776		2550
1777	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2556
1780	$self->enter_link;	2557	$self->enter_link;
1781		2558
1782	(async {	2559	(async {
1783	my $map = cf::map::find $path;	2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
		2581	my $map = eval {
		2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
1785		2586	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2587	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
1790		2590
		2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
		2597	}
		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1792	})->prio (1);	2605	})->prio (1);
1793	}	2606	}
1794		2607
1795	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1796		2609
…		…
1798		2611
1799	sub parse_random_map_params {	2612	sub parse_random_map_params {
1800	my ($spec) = @_;	2613	my ($spec) = @_;
1801		2614
1802	my $rmp = { # defaults	2615	my $rmp = { # defaults
1803	xsize => 10,	2616	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2617	ysize => (cf::rndm 15, 40),
		2618	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2619	#layout => string,
1805	};	2620	};
1806		2621
1807	for (split /\n/, $spec) {	2622	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2623	my ($k, $v) = split /\s+/, $_, 2;
1809		2624
…		…
1821	# that depends on the exit object	2636	# that depends on the exit object
1822		2637
1823	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
1824		2639
1825	if ($exit->map) {	2640	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2641	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1830	}	2647	}
1831		2648
1832	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1833		2650
1834	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1835	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
		2653	my $meta = "$RANDOMDIR/$md5.meta";
1836		2654
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
		2657	undef $fh;
		2658	aio_rename "$meta~", $meta;
1839		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1840	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1842	}	2666	}
1843	}	2667	}
1844		2668
1845	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
…		…
1848	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1849		2673
1850	$self->enter_link;	2674	$self->enter_link;
1851		2675
1852	(async {	2676	(async {
1853	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1854	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
1855	prepare_random_map $exit	2686	prepare_random_map $exit
1856	if $exit->slaying eq "/!";	2687	if $exit->slaying eq "/!";
		2688	}
1857		2689
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
1860		2693
		2694	$self->goto ($map, $x, $y);
		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1861	1;	2700	1
1862	}) {	2701	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1864	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2706
1868	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2708	$self->leave_link;
1870	}	2709	}
1871	})->prio (1);	2710	})->prio (1);
…		…
1884		2723
1885	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1887		2726
1888	utf8::encode $text;	2727	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2729	}
1891		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
		2842	sub cf::client::send_msg {
		2843	my ($self, $channel, $msg, $color, @extra) = @_;
		2844
		2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		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	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
		2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2876	);
		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
1892		2925
1893	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1894		2927
1895	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2931
1899	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2933	become reliable at some point in the future.
1901		2934
1902	=cut	2935	=cut
1903		2936
1904	sub cf::client::query {	2937	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2946	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2948
1916	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
1918	}	2953	}
1919		2954
1920	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
1921	on_reply => sub {	2961	on_reply => sub {
1922	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
1923		2963
1924	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
1925	# get handled first	2965	# get handled first
1926	my $queue = delete $ns->{query_queue}	2966	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2967	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2968
1929	(shift @$queue)->[1]->($msg);	2969	(shift @$queue)->[1]->($msg);
		2970	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2971
1931	push @{ $ns->{query_queue} }, @$queue;	2972	push @{ $ns->{query_queue} }, @$queue;
1932		2973
1933	if (@{ $ns->{query_queue} } == @$queue) {	2974	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2975	if (@$queue) {
…		…
1936	} else {	2977	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2979	}
1939	}	2980	}
1940	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
1941	);	3008	);
1942		3009
1943	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
1944		3011
1945	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
1988		3055
1989	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
1990		3057
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
1992		3063
1993	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
1994		3065
1995	=pod	3066	=pod
1996		3067
1997	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
1998		3069
1999	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease split
		3073	value
		3074
2000	cf::object::player player	3075	cf::object::player
2001	cf::player peaceful	3076	player
2002	cf::map trigger	3077
		3078	cf::player
		3079	peaceful
		3080
		3081	cf::map
		3082	trigger
2003		3083
2004	=cut	3084	=cut
2005		3085
2006	for (	3086	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2008	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2010	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2011	) {	3093	) {
2012	no strict 'refs';	3094	no strict 'refs';
2013	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2014	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2031	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2032		3114
2033	my $qcode = $code;	3115	my $qcode = $code;
2034	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2035	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2036		3120
2037	local $_;	3121	local $_;
2038	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2039		3123
2040	my $eval =	3124	my $eval =
…		…
2083	=back	3167	=back
2084		3168
2085	=cut	3169	=cut
2086		3170
2087	#############################################################################	3171	#############################################################################
		3172	# the server's init and main functions
2088		3173
2089	=head2 EXTENSION DATABASE SUPPORT	3174	sub load_facedata($) {
		3175	my ($path) = @_;
2090		3176
2091	Crossfire maintains a very simple database for extension use. It can	3177	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3178	# for this (global event?)
2093	excludes objects.	3179	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3180
2095	The parameter C<$family> should best start with the name of the extension	3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3182
2098	=over 4	3183	warn "loading facedata from $path\n";
2099		3184
2100	=item $hashref = cf::db_get $family	3185	my $facedata;
		3186	0 < aio_load $path, $facedata
		3187	or die "$path: $!";
2101		3188
2102	Return a hashref for use by the extension C<$family>, which can be	3189	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3190
2106	=item $value = cf::db_get $family => $key	3191	$facedata->{version} == 2
		3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3193
2108	Returns a single value from the database	3194	# patch in the exptable
2109		3195	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3196	type => FT_RSRC,
2111		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3198	};
		3199	cf::cede_to_tick;
2161		3200
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3201	{
		3202	my $faces = $facedata->{faceinfo};
2166		3203
2167	sub db_get($;$) {	3204	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3206
2173	sub db_put($$;$) {	3207	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3211
2182	cf::global->attach (	3212	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3213	}
2187	);
2188	}
2189		3214
2190	#############################################################################	3215	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3216	next unless $info->{smooth};
2192		3217
2193	sub cfg_load {	3218	my $idx = cf::face::find $face
		3219	or next;
		3220
		3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
		3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3224	} else {
		3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3226	}
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230	}
		3231
		3232	{
		3233	my $anims = $facedata->{animinfo};
		3234
		3235	while (my ($anim, $info) = each %$anims) {
		3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3237	cf::cede_to_tick;
		3238	}
		3239
		3240	cf::anim::invalidate_all; # d'oh
		3241	}
		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
		3278	1
		3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
		3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
		3324	load_resource_file "$MAPDIR/regions"
		3325	or die "unable to load regions file\n";
		3326
		3327	for (cf::region::list) {
		3328	$_->{match} = qr/$_->{match}/
		3329	if exists $_->{match};
		3330	}
		3331	}
		3332
		3333	sub reload_facedata {
		3334	load_facedata "$DATADIR/facedata"
		3335	or die "unable to load facedata\n";
		3336	}
		3337
		3338	sub reload_archetypes {
		3339	load_resource_file "$DATADIR/archetypes"
		3340	or die "unable to load archetypes\n";
		3341	}
		3342
		3343	sub reload_treasures {
		3344	load_resource_file "$DATADIR/treasures"
		3345	or die "unable to load treasurelists\n";
		3346	}
		3347
		3348	sub reload_resources {
		3349	warn "reloading resource files...\n";
		3350
		3351	reload_facedata;
		3352	reload_archetypes;
		3353	reload_regions;
		3354	reload_treasures;
		3355
		3356	warn "finished reloading resource files\n";
		3357	}
		3358
		3359	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3361	or return;
2196		3362
2197	local $/;	3363	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2199		3365
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3367
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2209	};	3375	};
2210	warn $@ if $@;	3376	warn $@ if $@;
2211	}	3377	}
2212	}	3378	}
2213		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2214	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2215	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3417	(async {
		3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
		3420	})->prio (Coro::PRIO_MAX);
2219	};	3421	};
2220		3422
2221	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
2222	db_load;	3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
		3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2223	load_extensions;	3441	load_extensions;
		3442
		3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2224	Event::loop;	3451	EV::loop;
2225	}	3452	}
2226		3453
2227	#############################################################################	3454	#############################################################################
2228	# initialisation and cleanup	3455	# initialisation and cleanup
2229		3456
2230	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2231	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2238	},
2239	);	3463	};
		3464	}
		3465	}
		3466
		3467	sub write_runtime_sync {
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2240	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2241	}	3551	}
2242		3552
2243	sub emergency_save() {	3553	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2245		3555
2246	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2247		3557
2248	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2249	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2250	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2251	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2253	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3572	$pl->save;
2257	}	3573	}
2258	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2259		3575
2260	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2261	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2262	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3579	$map->valid or next;
2264	$map->save;	3580	$map->save;
2265	}	3581	}
2266	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
		3583
		3584	warn "emergency_perl_save: begin database checkpoint\n";
		3585	BDB::db_env_txn_checkpoint $DB_ENV;
		3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2267	};	3591	};
2268		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2269	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2270	}	3599	}
2271		3600
		3601	sub post_cleanup {
		3602	my ($make_core) = @_;
		3603
		3604	warn Carp::longmess "post_cleanup backtrace"
		3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
		3635	}
		3636
2272	sub reload() {	3637	sub do_reload_perl() {
2273	# can/must only be called in main	3638	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3640	warn "can only reload from main coroutine";
2276	return;	3641	return;
2277	}	3642	}
2278		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2279	warn "reloading...";	3649	warn "reloading...";
2280		3650
2281	warn "freezing server";	3651	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3652
		3653	cf::sync_job {
		3654	cf::write_runtime_sync; # external watchdog should not bark
2283	cf::emergency_save;	3655	cf::emergency_save;
		3656	cf::write_runtime_sync; # external watchdog should not bark
2284		3657
2285	warn "sync database to disk";	3658	warn "syncing database to disk";
2286	cf::db_sync;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3660
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2291		3662
2292	warn "cancel all watchers";	3663	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3664	while (IO::AIO::nreqs || BDB::nreqs) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2295	}
2296
2297	warn "cancel all extension coros";
2298	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();
2300
2301	warn "remove commands";
2302	%COMMAND = ();
2303
2304	warn "remove ext commands";
2305	%EXTCMD = ();
2306
2307	warn "unload/nuke all extensions";
2308	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";
2310
2311	if (my $cb = $pkg->can ("unload")) {
2312	eval {
2313	$cb->($pkg);
2314	1
2315	} or warn "$pkg unloaded, but with errors: $@";
2316	}	3666	}
2317		3667
		3668	warn "cancelling all extension coros";
		3669	$_->cancel for values %EXT_CORO;
		3670	%EXT_CORO = ();
		3671
		3672	warn "removing commands";
		3673	%COMMAND = ();
		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
2318	warn "... nuking $pkg";	3681	warn "... unloading $pkg";
2319	Symbol::delete_package $pkg;
2320	}
2321		3682
2322	warn "unload all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325
2326	warn "removing <$k>";
2327	delete $INC{$k};
2328
2329	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;
2331
2332	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
2333	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
2334	}	3692	}
2335		3693
2336	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
2337	}	3709	}
2338		3710
2339	warn "get rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3714
2343	warn "unload cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
		3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2345		3718
2346	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3720	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
2349		3722
		3723	warn "unload completed, starting to reload now";
		3724
2350	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
2351	require cf;	3726	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3728
2354	warn "load config and database again";	3729	warn "loading config and database again";
2355	cf::cfg_load;	3730	cf::reload_config;
2356	cf::db_load;
2357		3731
2358	warn "load extensions";	3732	warn "loading extensions";
2359	cf::load_extensions;	3733	cf::load_extensions;
2360		3734
		3735	if ($REATTACH_ON_RELOAD) {
2361	warn "reattach attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3737	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3738	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
		3740	warn "reattaching attachments to players";
		3741	reattach $_ for values %PLAYER;
		3742	}
		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
		3747	warn "leaving sync_job";
		3748
		3749	1
		3750	} or do {
		3751	warn $@;
		3752	cf::cleanup "error while reloading, exiting.";
		3753	};
		3754
		3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
		3761	};
		3762
		3763	our $RELOAD_WATCHER; # used only during reload
		3764
		3765	sub reload_perl() {
		3766	# doing reload synchronously and two reloads happen back-to-back,
		3767	# coro crashes during coro_state_free->destroy here.
		3768
		3769	$RELOAD_WATCHER ||= cf::async {
		3770	Coro::AIO::aio_wait cache_extensions;
		3771
		3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3773	do_reload_perl;
		3774	undef $RELOAD_WATCHER;
		3775	};
2365	};	3776	};
2366		3777	}
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372
2373	warn "reloaded";
2374	};
2375		3778
2376	register_command "reload" => sub {	3779	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
2378		3781
2379	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
		3786	reload_perl;
		3787	};
2383	}	3788	}
2384	};	3789	};
2385		3790
2386	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
2387		3792
2388	$TICK_WATCHER = Event->timer (	3793	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3794
		3795	our @WAIT_FOR_TICK;
		3796	our @WAIT_FOR_TICK_BEGIN;
		3797
		3798	sub wait_for_tick {
		3799	return if tick_inhibit || $Coro::current == $Coro::main;
		3800
		3801	my $signal = new Coro::Signal;
		3802	push @WAIT_FOR_TICK, $signal;
		3803	$signal->wait;
		3804	}
		3805
		3806	sub wait_for_tick_begin {
		3807	return if tick_inhibit || $Coro::current == $Coro::main;
		3808
		3809	my $signal = new Coro::Signal;
		3810	push @WAIT_FOR_TICK_BEGIN, $signal;
		3811	$signal->wait;
		3812	}
		3813
		3814	sub tick {
		3815	if ($Coro::current != $Coro::main) {
		3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3817	unless ++$bug_warning > 10;
		3818	return;
		3819	}
		3820
2396	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		3822
2400	$WAIT_FOR_TICK->broadcast;	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3825	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3826	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3827	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	3828	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3829	};
2430	},	3830	}
2431	);	3831
		3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3833	$sig->send;
		3834	}
		3835	while (my $sig = shift @WAIT_FOR_TICK) {
		3836	$sig->send;
		3837	}
		3838
		3839	$LOAD = ($NOW - $TICK_START) / $TICK;
		3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3841
		3842	if (0) {
		3843	if ($NEXT_TICK) {
		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
		3848	}
		3849	}
		3850
		3851	{
		3852	# configure BDB
		3853
		3854	BDB::min_parallel 8;
		3855	BDB::max_poll_reqs $TICK * 0.1;
		3856	$AnyEvent::BDB::WATCHER->priority (1);
		3857
		3858	unless ($DB_ENV) {
		3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3865
		3866	cf::sync_job {
		3867	eval {
		3868	BDB::db_env_open
		3869	$DB_ENV,
		3870	$BDBDIR,
		3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3873	0666;
		3874
		3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3876	};
		3877
		3878	cf::cleanup "db_env_open(db): $@" if $@;
		3879	};
		3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
		3891	}
		3892
		3893	{
		3894	# configure IO::AIO
		3895
		3896	IO::AIO::min_parallel 8;
		3897	IO::AIO::max_poll_time $TICK * 0.1;
		3898	undef $AnyEvent::AIO::WATCHER;
		3899	}
		3900
		3901	my $_log_backtrace;
		3902
		3903	sub _log_backtrace {
		3904	my ($msg, @addr) = @_;
		3905
		3906	$msg =~ s/\n//;
		3907
		3908	# limit the # of concurrent backtraces
		3909	if ($_log_backtrace < 2) {
		3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
		3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
		3915	my @bt = fork_call {
		3916	@addr = map { sprintf "%x", $_ } @addr;
		3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3919	or die "addr2line: $!";
		3920
		3921	my @funcs;
		3922	my @res = <$fh>;
		3923	chomp for @res;
		3924	while (@res) {
		3925	my ($func, $line) = splice @res, 0, 2, ();
		3926	push @funcs, "[$func] $line";
		3927	}
		3928
		3929	@funcs
		3930	};
		3931
		3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3934	LOG llevInfo, "[ABT] $_\n" for @bt;
		3935	--$_log_backtrace;
		3936	};
		3937	} else {
		3938	LOG llevInfo, "[ABT] $msg\n";
		3939	LOG llevInfo, "[ABT] [suppressed]\n";
		3940	}
		3941	}
		3942
		3943	# load additional modules
		3944	require "cf/$_.pm" for @EXTRA_MODULES;
2432		3945
2433	END { cf::emergency_save }	3946	END { cf::emergency_save }
2434		3947
2435	1	3948	1
2436		3949

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