ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
59		95
60	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	97	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
71		111
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	114	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
82		123
83	our %CFG;	124	our %CFG;
84		125
85	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
87		129
88	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
91		133
92	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		136
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
98		146
99	binmode STDOUT;	147	binmode STDOUT;
100	binmode STDERR;	148	binmode STDERR;
101		149
102	# read virtual server time, if available	150	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
107	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
108		158
109	mkdir $_	159	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		161
112	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
113		163
114	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
115		173
116	#############################################################################	174	#############################################################################
117		175
118	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
119		177
…		…
155		213
156	The raw value load value from the last tick.	214	The raw value load value from the last tick.
157		215
158	=item %cf::CFG	216	=item %cf::CFG
159		217
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	219	from wherever your confdir points to.
162		220
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		222
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	224	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
		238
169	=back	239	=back
170		240
171	=cut	241	=cut
172		242
173	BEGIN {	243	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	244	my $msg = join "", @_;
176		245
177	$msg .= "\n"	246	$msg .= "\n"
178	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
179		248
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		250
182	utf8::encode $msg;
183	LOG llevError, $msg;	251	LOG llevError, $msg;
184	};	252	};
185	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
186		267
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	272	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		273	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	274	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		275
194	# we bless all objects into (empty) derived classes to force a method lookup	276	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	277	# within the Safe compartment.
196	for my $pkg (qw(	278	for my $pkg (qw(
197	cf::global cf::attachable	279	cf::global cf::attachable
198	cf::object cf::object::player	280	cf::object cf::object::player
199	cf::client cf::player	281	cf::client cf::player
200	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
201	cf::map cf::party cf::region	284	cf::party cf::region
202	)) {	285	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	287	}
206		288
207	$Event::DIED = sub {	289	$EV::DIED = sub {
208	warn "error in event callback: @_";	290	warn "error in event callback: @_";
209	};	291	};
		292
		293	#############################################################################
210		294
211	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
212		296
213	=over 4	297	=over 4
214		298
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	318	$d
235	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
236	}	320	}
237		321
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
241		323
242	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
243		325
244	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
245		327
246	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
247		329
		330	=cut
		331
		332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		333
		334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
		350
248	=item cf::lock_wait $string	351	=item cf::lock_wait $string
249		352
250	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
251		354
252	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
253		356
254	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
257	returned.	360	returned.
258		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
259	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
261		367
262	=item $locked = cf::lock_active $string	368	=item $locked = cf::lock_active $string
263		369
264	Return true if the lock is currently active, i.e. somebody has locked it.	370	Return true if the lock is currently active, i.e. somebody has locked it.
265		371
266	=cut	372	=cut
267		373
268	our %LOCK;	374	our $LOCKS = new Coro::SemaphoreSet;
269		375
270	sub lock_wait($) {	376	sub lock_wait($) {
271	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	378	}
279		379
280	sub lock_acquire($) {	380	sub lock_acquire($) {
281	my ($key) = @_;	381	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	382	}
293		383
294	sub lock_active($) {	384	sub lock_active($) {
295	my ($key) = @_;	385	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	386	}
299		387
300	sub freeze_mainloop {	388	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
302		390
303	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	392	}
		393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
305	};	452	}
306	$TICK_WATCHER->stop;	453	};
307	$guard	454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
308	}	467	}
309		468
310	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
311		470
312	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		476
318	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
319		478
320	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
321		480
322	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
325		485
326	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
329	fast or be very important.	489	fast or be very important.
…		…
332		492
333	sub sync_job(&) {	493	sub sync_job(&) {
334	my ($job) = @_;	494	my ($job) = @_;
335		495
336	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	497	my $time = EV::time;
338		498
339	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
341		501
342	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	503
344	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
345		505
346	my $busy = 1;	506	my $busy = 1;
347	my @res;	507	my @res;
348		508
349	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	511	@res = eval { $job->() };
351	warn $@ if $@;	512	warn $@ if $@;
352	undef $busy;	513	undef $busy;
353	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
354		515
355	while ($busy) {	516	while ($busy) {
356	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
357	}	521	}
		522	}
358		523
359	$time = Event::time - $time;	524	my $time = EV::time - $time;
360		525
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
365		527
366	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
367	} else {	529	} else {
368	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
369		531
…		…
389	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
390		552
391	$coro	553	$coro
392	}	554	}
393		555
394	sub write_runtime {	556	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		557
397	# first touch the runtime file to show we are still running:	558	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
399		562
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	563	=cut
401	utime undef, undef, $fh;	564
		565	sub fork_call(&@) {
		566	my ($cb, @args) = @_;
		567
		568	# we seemingly have to make a local copy of the whole thing,
		569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
		571
		572	my @res = Coro::Util::fork_eval {
		573	reset_signals;
		574	&$cb
		575	}, @args;
		576
		577	wantarray ? @res : $res[-1]
		578	}
		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
		606
		607	=item $value = cf::db_get $family => $key
		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
402	}	634	};
		635	cf::cleanup "db_open(db): $@" if $@;
403		636
404	my $guard = cf::lock_acquire "write_runtime";	637	$db
		638	}
405		639
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	640	our $DB;
407	or return;
408		641
409	my $value = $cf::RUNTIME + 90 + 10;	642	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	643	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	644	$DB ||= db_table "db";
		645	};
		646	}
412		647
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	648	sub db_get($$) {
414	and return;	649	my $key = "$_[0]/$_[1]";
415		650
416	# always fsync - this file is important	651	cf::sync_job {
417	aio_fsync $fh	652	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		653
420	# touch it again to show we are up-to-date	654	$! ? ()
421	utime undef, undef, $fh;	655	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
432	}	732	}
433		733
434	=item cf::datalog type => key => value, ...	734	=item cf::datalog type => key => value, ...
435		735
436	Log a datalog packet of the given type with the given key-value pairs.	736	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		748
449	#############################################################################	749	#############################################################################
450		750
451	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
452		752
453	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
456		756
457	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	759	Deliantra).
460		760
461	=over 4	761	=over 4
462		762
463	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
464		764
…		…
508	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
509		809
510	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
512		812
513	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
515		815
516	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
517		817
518	=over 4	818	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
628		928
629	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		933
634	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	935	my $pkg = shift @arg;
636		936
637	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
667	}	967	}
668		968
669	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
670	} else {	970	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	972	}
673		973
674	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
675	}	975	}
676		976
…		…
678	if (ref $_[0]) {	978	if (ref $_[0]) {
679	_object_attach @_;	979	_object_attach @_;
680	} else {	980	} else {
681	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
682	}	982	}
		983	_recalc_want;
683	};	984	};
684		985
685	# all those should be optimised	986	# all those should be optimised
686	sub cf::attachable::detach {	987	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
691	reattach ($obj);	992	reattach ($obj);
692	} else {	993	} else {
693	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
694	}	995	}
		996	_recalc_want;
695	};	997	};
696		998
697	sub cf::attachable::attached {	999	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
699		1001
…		…
714	";	1016	";
715	die if $@;	1017	die if $@;
716	}	1018	}
717		1019
718	our $override;	1020	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1022
721	sub override {	1023	sub override {
722	$override = 1;	1024	$override = 1;
723	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
724	}	1026	}
725		1027
726	sub do_invoke {	1028	sub do_invoke {
727	my $event = shift;	1029	my $event = shift;
728	my $callbacks = shift;	1030	my $callbacks = shift;
729		1031
730	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
731		1033
732	local $override;	1034	local $override;
733		1035
734	for (@$callbacks) {	1036	for (@$callbacks) {
735	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
744	}	1046	}
745		1047
746	0	1048	0
747	}	1049	}
748		1050
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1052
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1054
753	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
754		1056
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1060
759	=back	1061	=back
760		1062
761	=cut	1063	=cut
762		1064
763	#############################################################################	1065	#############################################################################
764	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
765		1109
766	sub reattach {	1110	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1112	my ($obj) = @_;
769		1113
		1114	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1116
772	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
773		1118
774	@$registry = ();	1119	@$registry = ();
775		1120
…		…
790	cf::attachable->attach (	1135	cf::attachable->attach (
791	prio => -1000000,	1136	prio => -1000000,
792	on_instantiate => sub {	1137	on_instantiate => sub {
793	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
794		1139
795	$data = from_json $data;	1140	$data = decode_json $data;
796		1141
797	for (@$data) {	1142	for (@$data) {
798	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
799		1144
800	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1161	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
818		1163
819	sync_job {	1164	sync_job {
820	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
823		1169
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1175	aio_fsync $fh;
		1176	}
828	close $fh;	1177	aio_close $fh;
829		1178
830	if (@$objs) {	1179	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
836	close $fh;	1188	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
838	}	1190	}
839	} else {	1191	} else {
840	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
841	}	1193	}
842		1194
843	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1199	} else {
845	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
846	}	1201	}
847	} else {	1202	} else {
848	aio_unlink $filename;	1203	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
850	}	1205	}
851	}	1206	};
852	}	1207	}
853		1208
854	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
856		1211
…		…
868	or return;	1223	or return;
869		1224
870	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
872	or return;	1227	or return;
		1228
873	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
874	}	1231	}
875		1232
		1233	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
878	return ($data, $av);	1237	($data, $av)
879	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
880		1245
881	#############################################################################	1246	#############################################################################
882	# command handling &c	1247	# command handling &c
883		1248
884	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1263	}
899		1264
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1266
902	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
903		1272
904	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
905	called.	1274	called.
906		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
907	=cut	1287	=cut
908		1288
909	sub register_extcmd {	1289	sub register_extcmd {
910	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
911		1291
912	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
913	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
914		1302
915	cf::player->attach (	1303	cf::player->attach (
916	on_command => sub {	1304	on_command => sub {
917	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
918		1306
…		…
926	cf::override;	1314	cf::override;
927	},	1315	},
928	on_extcmd => sub {	1316	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
930		1318
931	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1320
933	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
939	} else {	1336	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1338	}
942		1339
943	cf::override;	1340	cf::override;
944	},	1341	},
945	);	1342	);
946		1343
		1344	# "readahead" all extensions
947	sub load_extension {	1345	sub cache_extensions {
948	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
949		1347
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1351	}
975	die $@;
976	}	1352	};
977		1353
978	push @EXTS, $pkg;	1354	$grp
979	}	1355	}
980		1356
981	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
982	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1362	next unless -r $path;
984	eval {	1363
985	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
986	1	1420	}
987	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
988	}	1426	};
989	}	1427	}
990		1428
991	#############################################################################	1429	#############################################################################
992		1430
		1431	=back
		1432
993	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
994		1434
995	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
996		1436
997	=cut	1437	=cut
998		1438
999	package cf::player;	1439	package cf::player;
1000		1440
1001	use Coro::AIO;	1441	use Coro::AIO;
1002		1442
1003	=head3 cf::player	1443	=head3 cf::player
1004		1444
1005	=over 4	1445	=over 4
		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
1006		1460
1007	=item cf::player::find $login	1461	=item cf::player::find $login
1008		1462
1009	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1010		1464
…		…
1029		1483
1030	sub exists($) {	1484	sub exists($) {
1031	my ($login) = @_;	1485	my ($login) = @_;
1032		1486
1033	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1035	}	1489	}
1036		1490
1037	sub find($) {	1491	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1493	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1503	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1504
1051	my $pl = load_pl path $login	1505	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1054	}	1514	}
1055	}	1515	}
1056	}	1516	}
1057		1517
…		…
1066	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1067		1527
1068	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1070		1530
		1531	cf::get_slot 0.01;
		1532
1071	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1072	Coro::cede;	1534	cf::cede_to_tick;
1073	}	1535	}
1074		1536
1075	sub new($) {	1537	sub new($) {
1076	my ($login) = @_;	1538	my ($login) = @_;
1077		1539
…		…
1083	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1084		1546
1085	$self	1547	$self
1086	}	1548	}
1087		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1088	=item $pl->quit_character	1560	=item $pl->quit_character
1089		1561
1090	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1092		1564
…		…
1096	my ($pl) = @_;	1568	my ($pl) = @_;
1097		1569
1098	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1099		1571
1100	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1574
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1107		1581
1108	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1619	or return [];
1146		1620
1147	my @logins;	1621	my @logins;
1148		1622
1149	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1153		1633
1154	utf8::decode $login;	1634	utf8::decode $login;
1155	push @logins, $login;	1635	push @logins, $login;
1156	}	1636	}
1157		1637
…		…
1184	}	1664	}
1185		1665
1186	\@paths	1666	\@paths
1187	}	1667	}
1188		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1189	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1190		1674
1191	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1192		1676
1193	=cut	1677	=cut
1194		1678
1195	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1197		1681
1198	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1683	}
1202		1684
1203	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1204		1686
1205	Sends an ext event to the client.	1687	Sends an ext event to the client.
1206		1688
1207	=cut	1689	=cut
1208		1690
1209	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1211		1693
1212	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1213	}	1695	}
1214		1696
1215	=head3 cf::region	1697	=head3 cf::region
1216		1698
1217	=over 4	1699	=over 4
…		…
1220		1702
1221	package cf::region;	1703	package cf::region;
1222		1704
1223	=item cf::region::find_by_path $path	1705	=item cf::region::find_by_path $path
1224		1706
1225	Tries to decuce the probable region for a map knowing only its path.	1707	Tries to decuce the likely region for a map knowing only its path.
1226		1708
1227	=cut	1709	=cut
1228		1710
1229	sub find_by_path($) {	1711	sub find_by_path($) {
1230	my ($path) = @_;	1712	my ($path) = @_;
1231		1713
1232	my ($match, $specificity);	1714	my ($match, $specificity);
1233		1715
1234	for my $region (list) {	1716	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1717	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1718	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1719	if $region->specificity > $specificity;
1238	}	1720	}
1239	}	1721	}
1240		1722
…		…
1261	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1263		1745
1264	sub generate_random_map {	1746	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1266	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1752	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1305		1790
1306	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1307	local $self->{path};	1792	local $self->{path};
1308	local $self->{load_path};	1793	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1794
1312	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1313	}	1796	}
1314		1797
1315	sub normalise {	1798	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1363	return $self;	1846	return $self;
1364	}	1847	}
1365	}	1848	}
1366		1849
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1851	()
1369	}	1852	}
1370		1853
1371	sub init {	1854	sub init {
1372	my ($self) = @_;	1855	my ($self) = @_;
…		…
1394		1877
1395	# the temporary/swap location	1878	# the temporary/swap location
1396	sub save_path {	1879	sub save_path {
1397	my ($self) = @_;	1880	my ($self) = @_;
1398		1881
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1401	}	1884	}
1402		1885
1403	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1404	sub uniq_path {	1887	sub uniq_path {
1405	my ($self) = @_;	1888	my ($self) = @_;
1406		1889
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1409	}	1892	}
1410		1893
1411	# and all this just because we cannot iterate over	1894	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1895	my ($self) = @_;
1415		1896
1416	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1418	}	1900	}
1419		1901
1420	sub unlink_save {	1902	sub unlink_save {
1421	my ($self) = @_;	1903	my ($self) = @_;
1422		1904
…		…
1427		1909
1428	sub load_header_from($) {	1910	sub load_header_from($) {
1429	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1430		1912
1431	utf8::encode $path;	1913	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1437		1922
1438	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1439		1924
1440	1	1925	1
1441	}	1926	}
…		…
1480	$self->load_header_orig	1965	$self->load_header_orig
1481	or return;	1966	or return;
1482	$self->prepare_orig;	1967	$self->prepare_orig;
1483	}	1968	}
1484		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1485	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1974	unless $self->default_region;
1487		1975
1488	1	1976	1
1489	}	1977	}
…		…
1492	sub find {	1980	sub find {
1493	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1494		1982
1495	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1496		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1498		1987
1499	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1502	or return;	1990	or return;
1503		1991
1504	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1505		1993
1506	$map->load_header	1994	$map->load_header
1507	or return;	1995	or return;
1508		1996
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1512	$map->reset;	2002	$map->reset;
1513	undef $guard;
1514	return find $path;	2003	return find $path;
1515	}	2004	}
1516		2005
1517	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1518	}	2007	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1528		2017
1529	my $path = $self->{path};	2018	my $path = $self->{path};
1530		2019
1531	{	2020	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1533		2022
		2023	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2025
1536	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1537		2027
1538	$self->alloc;	2028	$self->alloc;
1539		2029
1540	$self->pre_load;	2030	$self->pre_load;
1541	Coro::cede;	2031	cf::cede_to_tick;
1542		2032
		2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2035	$self->_load_objects ($f)
1544	or return;	2036	or return;
1545		2037
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1547	if delete $self->{load_original};	2039	if delete $self->{load_original};
1548		2040
1549	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2042	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2045	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1554	}	2049	}
1555	}	2050	}
1556		2051
1557	Coro::cede;	2052	$f->resolve_delayed_derefs;
		2053
		2054	cf::cede_to_tick;
1558	# now do the right thing for maps	2055	# now do the right thing for maps
1559	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2058	unless $self->difficulty;
1562	Coro::cede;	2059	cf::cede_to_tick;
1563		2060
1564	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2062	$self->decay_objects;
1566	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1567	$self->update_buttons;	2064	$self->update_buttons;
1568	Coro::cede;	2065	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2066	$self->activate;
1572	}	2067	}
1573		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2073	}
1576		2074
1577	$self->post_load;	2075	$self->post_load;
1578	}	2076	}
1579		2077
…		…
1581	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1582		2080
1583	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2082	if $self->per_player;
1585		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1586	$self	2087	$self
1587	}	2088	}
1588		2089
1589	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2091	sub load_neighbours {
1591	my ($map) = @_;	2092	my ($map) = @_;
1592		2093
1593	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1594		2095
1595	for (0 .. 3) {	2096	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1597	or next;	2098	or next;
1598	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1599	or next;	2100	or next;
1600	$neigh->load;	2101	$neigh->load;
1601		2102
		2103	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2106	}
1605		2107
1606	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1608	or next;	2111	or next;
1609	$neigh->load;	2112	$neigh->load;
1610	}	2113	}
1611	}	2114	}
1612		2115
…		…
1617	}	2120	}
1618		2121
1619	sub do_load_sync {	2122	sub do_load_sync {
1620	my ($map) = @_;	2123	my ($map) = @_;
1621		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1622	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1623	}	2129	}
1624		2130
1625	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1627		2133
1628	sub find_async {	2134	sub find_async {
1629	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1630		2136
1631	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1632		2138
1633	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2141	}
1636		2142
1637	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1638	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1639	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2150	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2151	$map->load if $v;
		2152	}
1644		2153
1645	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1646	}	2155	}
1647	}	2156	}
1648	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1649	};	2158	};
1650	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2162	}
1654		2163
1655	sub save {	2164	sub save {
1656	my ($self) = @_;	2165	my ($self) = @_;
1657		2166
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2168
1660	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1661		2170
1662	return unless $self->dirty;	2171	return unless $self->dirty;
1663		2172
…		…
1669	return if $self->{deny_save};	2178	return if $self->{deny_save};
1670		2179
1671	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1672		2181
1673	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1675	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1676		2188
1677	if ($uniq) {	2189	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2192	} else {
…		…
1686	my ($self) = @_;	2198	my ($self) = @_;
1687		2199
1688	# save first because save cedes	2200	# save first because save cedes
1689	$self->save;	2201	$self->save;
1690		2202
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2204
1693	return if $self->players;	2205	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2207	return if $self->{deny_save};
1696		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2213	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2214	}
1700		2215
1701	sub reset_at {	2216	sub reset_at {
1702	my ($self) = @_;	2217	my ($self) = @_;
1703		2218
1704	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1707		2221
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2224
…		…
1721	my ($self) = @_;	2235	my ($self) = @_;
1722		2236
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2238
1725	return if $self->players;	2239	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2240
1728	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1729		2242
1730	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1731		2244
1732	# need to save uniques path	2245	# need to save uniques path
1733	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2250	if $uniq;
1738	}	2251	}
1739		2252
1740	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1741		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2257	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2258
1746	$self->unlink_save;	2259	$self->unlink_save;
1747	$self->destroy;	2260	$self->destroy;
1748	}	2261	}
1749		2262
1750	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1751		2264
1752	sub nuke {	2265	sub nuke {
1753	my ($self) = @_;	2266	my ($self) = @_;
1754		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1755	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1756		2272
1757	$self->unlink_save;	2273	$self->unlink_save;
1758		2274
1759	bless $self, "cf::map";	2275	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2280
1765	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1766		2283
1767	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
		2285	}
		2286
		2287	=item $maps = cf::map::tmp_maps
		2288
		2289	Returns an arrayref with all map paths of currently instantiated and saved
		2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
		2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
		2304
		2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1768	}	2321	}
1769		2322
1770	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1771		2324
1772	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2326	instantiated unique items. May block.
1774		2327
1775	=cut	2328	=cut
1776		2329
1777	sub unique_maps() {	2330	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2331	[
1779	or return;	2332	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2333	utf8::decode $_;
1785	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2336	? ()
1788	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2339	]
1790
1791	\@paths
1792	}	2340	}
1793
1794	package cf;
1795		2341
1796	=back	2342	=back
1797		2343
1798	=head3 cf::object	2344	=head3 cf::object
1799		2345
…		…
1803		2349
1804	=over 4	2350	=over 4
1805		2351
1806	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1807		2353
1808	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1809		2356
1810	=cut	2357	=cut
1811		2358
1812	sub inv_recursive_;	2359	sub inv_recursive_;
1813	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1816		2363
1817	sub inv_recursive {	2364	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1819	}	2366	}
1820		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1821	package cf;	2396	package cf;
1822		2397
1823	=back	2398	=back
1824		2399
1825	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1834		2409
1835	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1836		2425
1837	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2427	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1842		2431
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2433
1845	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1847	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1850	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1851	}	2459	}
1852		2460
1853	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1854		2462
1855	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1868		2476
1869	=item $player_object->enter_link	2477	=item $player_object->enter_link
1870		2478
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2480
1873	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
1875		2485
1876	Will never block.	2486	Will never block.
1877		2487
1878	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1879		2489
…		…
1902	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1903		2513
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2515
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1908		2518
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2520	}
1911		2521
1912	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1914		2526
1915	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1916		2528
1917	unless ($map) {	2529	unless ($map) {
1918	# restore original map position	2530	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1935		2547
1936	$map->load;	2548	$map->load;
1937	$map->load_diag;	2549	$map->load_neighbours;
1938		2550
1939	return unless $self->contr->active;	2551	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2552
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1944	}
1945		2555
1946	cf::player->attach (	2556	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2557	$self->activate_recursive;
1948	my ($pl) = @_;	2558	}
1949		2559
1950	# abort map switching before logout	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2561
1960	# try to abort aborted map switching on player login :)	2562	Moves the player to the given map-path and coordinates by first freezing
1961	# should happen only on crashes	2563	her, loading and preparing them map, calling the provided $check callback
1962	if ($pl->ob->{_link_pos}) {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1963	$pl->ob->enter_link;	2565	the new (success) or old (failed) map position. In either case, $done will
1964	(async {	2566	be called at the end of this process.
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2567
1978	=item $player_object->goto ($path, $x, $y)	2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
1979		2570
1980	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1981		2574
1982	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
		2577
		2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2580
1985	$self->enter_link;	2581	$self->enter_link;
1986		2582
1987	(async {	2583	(async {
		2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
1988	my $map = eval {	2605	my $map = eval {
1989	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
		2610	$map = $check->($map) if $check && $map;
		2611	} else {
		2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
		2614
1991	$map	2615	$map
		2616	};
		2617
		2618	if ($@) {
		2619	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2620	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2621	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1996	})->prio (1);	2629	})->prio (1);
1997	}	2630	}
1998		2631
1999	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
2000		2633
…		…
2020	}	2653	}
2021		2654
2022	sub prepare_random_map {	2655	sub prepare_random_map {
2023	my ($exit) = @_;	2656	my ($exit) = @_;
2024		2657
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2660	# that depends on the exit object
2030		2661
2031	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2664	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2038	}	2671	}
2039		2672
2040	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2041		2674
2042	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2045		2678
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2681	undef $fh;
2049	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2050		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2053	}	2690	}
2054	}	2691	}
2055		2692
2056	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2058		2695
2059	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2060		2697
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2698	$self->enter_link;
2073		2699
2074	(async {	2700	(async {
2075	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
2076	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
2077	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2078		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
2079	1;	2724	1
2080	}) {	2725	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2730
2086	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2105		2750
2106	utf8::encode $text;	2751	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2753	}
2109		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
2110	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2111		2916
2112	Sends an exti event to the client.	2917	Sends an ext event to the client.
2113		2918
2114	=cut	2919	=cut
2115		2920
2116	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2118		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
2121	}	2948	}
2122		2949
2123	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2124		2951
2125	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2955
2129	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2957	become reliable at some point in the future.
2131		2958
2132	=cut	2959	=cut
2133		2960
2134	sub cf::client::query {	2961	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2970	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2972
2146	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2148	}	2977	}
2149		2978
2150	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
2151	on_reply => sub {	2985	on_reply => sub {
2152	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2153		2987
2154	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2155	# get handled first	2989	# get handled first
…		…
2167	} else {	3001	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3003	}
2170	}	3004	}
2171	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
2172	);	3032	);
2173		3033
2174	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2175		3035
2176	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2219		3079
2220	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2221		3081
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2223		3087
2224	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2225		3089
2226	=pod	3090	=pod
2227		3091
2228	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2229		3093
2230	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2231	cf::object::player player	3099	cf::object::player
2232	cf::player peaceful	3100	player
2233	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2234		3107
2235	=cut	3108	=cut
2236		3109
2237	for (	3110	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2242	) {	3117	) {
2243	no strict 'refs';	3118	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2262	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2263		3138
2264	my $qcode = $code;	3139	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2267		3144
2268	local $_;	3145	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2270		3147
2271	my $eval =	3148	my $eval =
…		…
2314	=back	3191	=back
2315		3192
2316	=cut	3193	=cut
2317		3194
2318	#############################################################################	3195	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3196	# the server's init and main functions
2494		3197
2495	sub load_facedata($) {	3198	sub load_facedata($) {
2496	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3206
2498	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2499		3208
2500	my $facedata;	3209	my $facedata;
2501	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2505		3214
2506	$facedata->{version} == 2	3215	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2509	{	3225	{
2510	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2511		3227
2512	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3235
		3236	cf::cede_to_tick;
2518	}	3237	}
2519		3238
2520	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2522	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2523	or next;	3243	or next;
		3244
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3248	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3250	}
2529	Coro::cede;	3251
		3252	cf::cede_to_tick;
2530	}	3253	}
2531	}	3254	}
2532		3255
2533	{	3256	{
2534	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2535		3258
2536	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3261	cf::cede_to_tick;
2539	}	3262	}
2540		3263
2541	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2542	}	3265	}
2543		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2544	1	3302	1
2545	}	3303	}
2546		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2547	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2548	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2550	}	3355	}
2551		3356
2552	sub reload_facedata {	3357	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2565	}	3370	}
2566		3371
2567	sub reload_resources {	3372	sub reload_resources {
2568	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2569		3374
2570	reload_regions;
2571	reload_facedata;	3375	reload_facedata;
2572	reload_archetypes;	3376	reload_archetypes;
		3377	reload_regions;
2573	reload_treasures;	3378	reload_treasures;
2574		3379
2575	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2576	}	3381	}
2577		3382
2578	sub init {	3383	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3385	or return;
2585		3386
2586	local $/;	3387	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2588		3389
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3391
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3399	};
2599	warn $@ if $@;	3400	warn $@ if $@;
2600	}	3401	}
2601	}	3402	}
2602		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
2603	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2604	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3450	(async {
2608	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2610	};	3454	};
2611		3455
2612	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2613	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2614	load_extensions;	3474	load_extensions;
2615		3475
2616	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2618	}	3486	}
2619		3487
2620	#############################################################################	3488	#############################################################################
2621	# initialisation and cleanup	3489	# initialisation and cleanup
2622		3490
2623	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2624	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2633	},
2634	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2635	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2636	}	3585	}
2637		3586
2638	sub emergency_save() {	3587	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2640		3589
2641	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2642		3591
2643	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2644	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3606	$pl->save;
2652	}	3607	}
2653	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2654		3609
2655	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3613	$map->valid or next;
2659	$map->save;	3614	$map->save;
2660	}	3615	}
2661	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2662		3617
2663	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2666	};	3625	};
2667		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2668	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2669	}	3633	}
2670		3634
2671	sub post_cleanup {	3635	sub post_cleanup {
2672	my ($make_core) = @_;	3636	my ($make_core) = @_;
2673		3637
2674	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
2676	}	3669	}
2677		3670
2678	sub do_reload_perl() {	3671	sub do_reload_perl() {
2679	# can/must only be called in main	3672	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2682	return;	3675	return;
2683	}	3676	}
2684		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2685	warn "reloading...";	3683	warn "reloading...";
2686		3684
2687	warn "entering sync_job";	3685	warn "entering sync_job";
2688		3686
2689	cf::sync_job {	3687	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3689	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2693		3691
2694	warn "syncing database to disk";	3692	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3694
2697	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2698		3696
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3700	}
2735		3701
2736	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2738	}	3704	%EXT_CORO = ();
2739		3705
2740	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3715	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3716
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2751	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2752	}	3726	}
2753		3727
2754	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2755	}	3743	}
2756		3744
2757	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3748
2761	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		3752
2765	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3754	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2768		3756
2769	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2770		3758
2771	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2772	require cf;	3760	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3762
2775	warn "loading config and database again";	3763	warn "loading config and database again";
2776	cf::cfg_load;	3764	cf::reload_config;
2777		3765
2778	warn "loading extensions";	3766	warn "loading extensions";
2779	cf::load_extensions;	3767	cf::load_extensions;
2780		3768
		3769	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2787		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
2788	warn "leaving sync_job";	3781	warn "leaving sync_job";
2789		3782
2790	1	3783	1
2791	} or do {	3784	} or do {
2792	warn $@;	3785	warn $@;
2793	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3787	};
2796		3788
2797	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
2798	};	3795	};
2799		3796
2800	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
2801		3798
2802	sub reload_perl() {	3799	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
2805		3802
2806	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3805
2809	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3807	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
2813	},	3809	};
2814	);	3810	};
2815	}	3811	}
2816		3812
2817	register_command "reload" => sub {	3813	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2819		3815
2820	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3820	reload_perl;
		3821	};
2823	}	3822	}
2824	};	3823	};
2825		3824
2826	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2827		3826
…		…
2829		3828
2830	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
2832		3831
2833	sub wait_for_tick {	3832	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3834
2837	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3837	$signal->wait;
2840	}	3838	}
2841		3839
2842	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3842
2846	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3845	$signal->wait;
2849	}	3846	}
2850		3847
2851	$TICK_WATCHER = Event->timer (	3848	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2861	return;	3852	return;
2862	}	3853	}
2863		3854
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2867		3856
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3859	Coro::async_pool {
		3860	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3861	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3863	};
		3864	}
2878		3865
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3867	$sig->send;
2884	}	3868	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3870	$sig->send;
2887	}	3871	}
2888		3872
2889	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3875
2900	_post_tick;	3876	if (0) {
2901		3877	if ($NEXT_TICK) {
2902		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
2903	},	3882	}
2904	);	3883	}
2905		3884
2906	{	3885	{
2907	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3887
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2917		3889	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3891
2933	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3899
2936	cf::sync_job {	3900	cf::sync_job {
2937	eval {	3901	eval {
2938	BDB::db_env_open	3902	BDB::db_env_open
2939	$DB_ENV,	3903	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3907	0666;
2944		3908
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3910	};
2950		3911
2951	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3913	};
2953	}	3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
2954	}	3925	}
2955		3926
2956	{	3927	{
		3928	# configure IO::AIO
		3929
2957	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3933	}
2970		3934
2971	my $_log_backtrace;	3935	my $_log_backtrace;
2972		3936
2973	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
2977		3941
2978	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
2981	async {	3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
2982	my @bt = fork_call {	3949	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3953	or die "addr2line: $!";
…		…
2994	}	3961	}
2995		3962
2996	@funcs	3963	@funcs
2997	};	3964	};
2998		3965
2999	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3969	--$_log_backtrace;
3002	};	3970	};
3003	} else {	3971	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3006	}	3974	}
3007	}	3975	}
3008		3976
3009	# load additional modules	3977	# load additional modules
3010	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3011		3979
3012	END { cf::emergency_save }	3980	END { cf::emergency_save }
3013		3981
3014	1	3982	1
3015		3983

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines