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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
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;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	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	238	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.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
211		312
212	#############################################################################	313	#############################################################################
213		314
214	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	338	$d
238	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
239	}	340	}
240		341
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
251	=item cf::lock_wait $string	371	=item cf::lock_wait $string
252		372
253	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
254		374
255	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
256		376
257	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
260	returned.	380	returned.
261		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
262	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
264		387
265	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
266		389
267	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
268		391
269	=cut	392	=cut
270		393
271	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
272		395
273	sub lock_wait($) {	396	sub lock_wait($) {
274	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	398	}
282		399
283	sub lock_acquire($) {	400	sub lock_acquire($) {
284	my ($key) = @_;	401	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	402	}
296		403
297	sub lock_active($) {	404	sub lock_active($) {
298	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	406	}
302		407
303	sub freeze_mainloop {	408	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
305		410
306	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
308	};	478	}
309	$TICK_WATCHER->stop;	479	};
310	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
311	}	494	}
312		495
313	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
314		497
315	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		503
321	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
322		505
323	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
324		507
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	511	acceptable.
329		512
330	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	518	=cut
336		519
337	sub sync_job(&) {	520	sub sync_job(&) {
338	my ($job) = @_;	521	my ($job) = @_;
339		522
340	if ($Coro::current == $Coro::main) {	523	if (in_main) {
341	my $time = Event::time;	524	my $time = AE::time;
342		525
343	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
345		528
346	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	530
348	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
349		532
350	my $busy = 1;	533	my $busy = 1;
351	my @res;	534	my @res;
352		535
353	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	538	@res = eval { $job->() };
355	warn $@ if $@;	539	error $@ if $@;
356	undef $busy;	540	undef $busy;
357	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
358		542
359	while ($busy) {	543	while ($busy) {
360	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
361	}	548	}
		549	}
362		550
363	$time = Event::time - $time;	551	my $time = AE::time - $time;
364		552
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
369		554
370	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
371	} else {	556	} else {
372	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
373		558
…		…
398	=item fork_call { }, $args	583	=item fork_call { }, $args
399		584
400	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
404		589
405	=cut	590	=cut
406		591
407	sub fork_call(&@) {	592	sub fork_call(&@) {
408	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
409		594
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		598
415	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	600	reset_signals;
428	local $SIG{__WARN__};	601	&$cb
429	local $SIG{__DIE__};	602	}, @args;
430	eval {
431	close $fh1;
432		603
433	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
435	};
436		606
437	warn $@ if $@;	607	sub objinfo {
438	_exit 0;
439	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
440	}	643	}
441		644
442	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
443		646
444	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
447		650
448	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
451	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
452		680
453	our $DB;	681	our $DB;
454		682
455	sub db_init {	683	sub db_init {
456	unless ($DB) {	684	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	685	}
471		686
472	sub db_get($$) {	687	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
474		689
475	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
476	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
477		694
478	$! ? ()	695	$! ? ()
479	: $data	696	: $data
480	}
481	}	697	}
482		698
483	sub db_put($$$) {	699	sub db_put($$$) {
484	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	740	if (1) {
525	$md5 =	741	$md5 =
526	join "\x00",	742	join "\x00",
527	$processversion,	743	$processversion,
528	map {	744	map {
529	Coro::cede;	745	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	747	} 0.. $#$src;
532		748
533		749
534	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		757
542	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	759	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
545		761
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		763
548	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
551		767
…		…
561		777
562	=cut	778	=cut
563		779
564	sub datalog($@) {	780	sub datalog($@) {
565	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	783	}
568		784
569	=back	785	=back
570		786
571	=cut	787	=cut
572		788
573	#############################################################################	789	#############################################################################
574		790
575	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
576		792
577	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
580		796
581	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	799	Deliantra).
584		800
585	=over 4	801	=over 4
586		802
587	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
588		804
…		…
632	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
633		849
634	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
636		852
637	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
639		855
640	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
641		857
642	=over 4	858	=over 4
…		…
766		982
767	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		985
770	} elsif (ref $type) {	986	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
772		988
773	} else {	989	} else {
774	shift @arg;	990	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
776	}	992	}
777	}	993	}
778	}	994	}
779		995
780	sub _object_attach {	996	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
791	}	1007	}
792		1008
793	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
794	} else {	1010	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1012	}
797		1013
798	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
799	}	1015	}
800		1016
…		…
840	";	1056	";
841	die if $@;	1057	die if $@;
842	}	1058	}
843		1059
844	our $override;	1060	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1062
847	sub override {	1063	sub override {
848	$override = 1;	1064	$override = 1;
849	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
850	}	1066	}
851		1067
852	sub do_invoke {	1068	sub do_invoke {
853	my $event = shift;	1069	my $event = shift;
854	my $callbacks = shift;	1070	my $callbacks = shift;
855		1071
856	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
857		1073
858	local $override;	1074	local $override;
859		1075
860	for (@$callbacks) {	1076	for (@$callbacks) {
861	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
862		1078
863	if ($@) {	1079	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1081	override;
867	}	1082	}
868		1083
869	return 1 if $override;	1084	return 1 if $override;
870	}	1085	}
871		1086
872	0	1087	0
873	}	1088	}
874		1089
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1091
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1093
879	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
880		1095
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1099
885	=back	1100	=back
886		1101
887	=cut	1102	=cut
888		1103
889	#############################################################################	1104	#############################################################################
890	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
891		1148
892	sub reattach {	1149	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1151	my ($obj) = @_;
895		1152
		1153	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1155
898	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
899		1157
900	@$registry = ();	1158	@$registry = ();
901		1159
…		…
906	for (@$attach) {	1164	for (@$attach) {
907	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
909	}	1167	}
910	} else {	1168	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1170	}
913	}	1171	}
914	}	1172	}
915		1173
916	cf::attachable->attach (	1174	cf::attachable->attach (
917	prio => -1000000,	1175	prio => -1000000,
918	on_instantiate => sub {	1176	on_instantiate => sub {
919	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
920		1178
921	$data = from_json $data;	1179	$data = decode_json $data;
922		1180
923	for (@$data) {	1181	for (@$data) {
924	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
925		1183
926	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1200	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
944		1202
945	sync_job {	1203	sync_job {
946	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
949		1209
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
954	close $fh;	1217	aio_close $fh;
955		1218
956	if (@$objs) {	1219	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
962	close $fh;	1228	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
964	}	1230	}
965	} else {	1231	} else {
966	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
967	}	1233	}
968		1234
969	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1239	} else {
971	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
972	}	1241	}
973	} else {	1242	} else {
974	aio_unlink $filename;	1243	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
976	}	1245	}
977	}	1246	};
978	}	1247	}
979		1248
980	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
982		1251
…		…
994	or return;	1263	or return;
995		1264
996	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
998	or return;	1267	or return;
		1268
999	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1000	}	1271	}
1001		1272
		1273	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1004	return ($data, $av);	1278	($data, $av)
1005	}	1279	}
1006		1280
1007	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1008		1282
1009	=over 4	1283	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1304	}
1031		1305
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1307
1034	Register a callback fro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
1035		1313
1036	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
1037	called.	1315	called.
1038		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
1039	=cut	1328	=cut
1040		1329
1041	sub register_extcmd {	1330	sub register_extcmd {
1042	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
1043		1332
1044	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
1045	}	1334	}
1046		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
1047	cf::player->attach (	1344	cf::player->attach (
1048	on_command => sub {	1345	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1050		1347
1051	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1052	or return;	1349	or return;
1053		1350
…		…
1058	cf::override;	1355	cf::override;
1059	},	1356	},
1060	on_extcmd => sub {	1357	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1062		1359
1063	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1361
1065	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1071	} else {	1377	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1379	}
1074		1380
1075	cf::override;	1381	cf::override;
1076	},	1382	},
1077	);	1383	);
1078		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1079	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1080	cf::sync_job {	1401	cf::sync_job {
1081	my %todo;	1402	my %todo;
1082		1403
1083	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1405	next unless -r $path;
…		…
1102		1423
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1426
1106	$ext{source} =	1427	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1109	. $source	1430	. $source
1110	. "\n};\n1";	1431	. "\n};\n1";
1111		1432
1112	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1113	}	1434	}
1114		1435
		1436	my $pass = 0;
1115	my %done;	1437	my %done;
1116	while (%todo) {	1438	while (%todo) {
1117	my $progress;	1439	my $progress;
1118		1440
		1441	++$pass;
		1442
		1443	ext:
1119	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1446	next ext
1122	unless exists $done{$_};	1447	unless exists $done{$_};
1123	}	1448	}
1124		1449
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1451
1127	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1132	warn $msg;	1459
1133	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1461	delete $todo{$k};
1135	}	1462	} else {
1136		1463	$done{$k} = delete $todo{$k};
1137	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1138	}	1469	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1470	}
1144		1471
1145	skip:	1472	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1148	}	1480	}
1149	};	1481	};
1150	}	1482	}
1151		1483
1152	#############################################################################	1484	#############################################################################
1153		1485
1154	=back	1486	=back
1155		1487
1156	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1157		1489
1158	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1159		1491
1160	=cut	1492	=cut
1161		1493
1162	package cf::player;	1494	package cf::player;
1163		1495
1164	use Coro::AIO;	1496	use Coro::AIO;
1165		1497
1166	=head3 cf::player	1498	=head3 cf::player
1167		1499
1168	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1169		1515
1170	=item cf::player::find $login	1516	=item cf::player::find $login
1171		1517
1172	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1173		1519
…		…
1192		1538
1193	sub exists($) {	1539	sub exists($) {
1194	my ($login) = @_;	1540	my ($login) = @_;
1195		1541
1196	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1198	}	1544	}
1199		1545
1200	sub find($) {	1546	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1548	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1559
1214	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1217	}	1569	}
1218	}	1570	}
1219	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1220		1585
1221	sub save($) {	1586	sub save($) {
1222	my ($pl) = @_;	1587	my ($pl) = @_;
1223		1588
1224	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1230		1595
1231	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1233		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1234	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1235	Coro::cede;	1605	cf::cede_to_tick;
1236	}	1606	}
1237		1607
1238	sub new($) {	1608	sub new($) {
1239	my ($login) = @_;	1609	my ($login) = @_;
1240		1610
…		…
1246	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1247		1617
1248	$self	1618	$self
1249	}	1619	}
1250		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1251	=item $pl->quit_character	1631	=item $pl->quit_character
1252		1632
1253	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1255		1635
…		…
1259	my ($pl) = @_;	1639	my ($pl) = @_;
1260		1640
1261	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1262		1642
1263	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1645
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1270		1651
1271	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1689	or return [];
1309		1690
1310	my @logins;	1691	my @logins;
1311		1692
1312	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1316		1703
1317	utf8::decode $login;	1704	utf8::decode $login;
1318	push @logins, $login;	1705	push @logins, $login;
1319	}	1706	}
1320		1707
1321	\@logins	1708	\@logins
1322	}	1709	}
1323		1710
1324	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1325		1714
1326	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1327	player. May block.	1716	player. May block.
1328		1717
1329	=cut	1718	=cut
…		…
1347	}	1736	}
1348		1737
1349	\@paths	1738	\@paths
1350	}	1739	}
1351		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1352	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1353		1746
1354	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1355		1748
1356	=cut	1749	=cut
1357		1750
1358	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1360		1753
1361	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1755	}
1365		1756
1366	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1367		1758
1368	Sends an ext event to the client.	1759	Sends an ext event to the client.
1369		1760
1370	=cut	1761	=cut
1371		1762
1372	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1374		1765
1375	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1376	}	1767	}
1377		1768
1378	=head3 cf::region	1769	=head3 cf::region
1379		1770
1380	=over 4	1771	=over 4
…		…
1390	=cut	1781	=cut
1391		1782
1392	sub find_by_path($) {	1783	sub find_by_path($) {
1393	my ($path) = @_;	1784	my ($path) = @_;
1394		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1395	my ($match, $specificity);	1788	my ($match, $specificity);
1396		1789
1397	for my $region (list) {	1790	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1401	}	1794	}
1402	}	1795	}
1403		1796
…		…
1424	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1426		1819
1427	sub generate_random_map {	1820	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1429	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1826	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1848
1453	sub register {	1849	sub register {
1454	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1851	my $pkg = caller;
1456		1852
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1854
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1856	}
1462		1857
1463	# also paths starting with '/'	1858	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1860
1466	sub thawer_merge {	1861	sub thawer_merge {
1467	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1468		1863
1469	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1474	}	1869	}
1475		1870
1476	sub normalise {	1871	sub normalise {
1477	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1478		1873
1479	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1480		1875
1481	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1482		1877
1483	# map plan:	1878	# map plan:
1484	#	1879	#
…		…
1523	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1524	return $self;	1919	return $self;
1525	}	1920	}
1526	}	1921	}
1527		1922
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1924	()
1530	}	1925	}
1531		1926
1532	sub init {	1927	sub init {
1533	my ($self) = @_;	1928	my ($self) = @_;
…		…
1555		1950
1556	# the temporary/swap location	1951	# the temporary/swap location
1557	sub save_path {	1952	sub save_path {
1558	my ($self) = @_;	1953	my ($self) = @_;
1559		1954
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1562	}	1957	}
1563		1958
1564	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1565	sub uniq_path {	1960	sub uniq_path {
1566	my ($self) = @_;	1961	my ($self) = @_;
1567		1962
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1965	}
1580		1966
1581	sub decay_objects {	1967	sub decay_objects {
1582	my ($self) = @_;	1968	my ($self) = @_;
1583		1969
…		…
1596		1982
1597	sub load_header_from($) {	1983	sub load_header_from($) {
1598	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1599		1985
1600	utf8::encode $path;	1986	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1606		1995
1607	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1608		1997
1609	1	1998	1
1610	}	1999	}
…		…
1662		2051
1663	sub find;	2052	sub find;
1664	sub find {	2053	sub find {
1665	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1666		2055
		2056	cf::cede_to_tick;
		2057
1667	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1668		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2062
1671	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1674	or return;	2065	or return;
1675		2066
1676	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1677		2068
…		…
1679	or return;	2070	or return;
1680		2071
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1684	$map->reset;	2077	$map->reset;
1685	undef $guard;
1686	return find $path;	2078	return find $path;
1687	}	2079	}
1688		2080
1689	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1690	}	2082	}
1691	}	2083	}
1692		2084
1693	sub pre_load { }	2085	sub pre_load { }
1694	sub post_load { }	2086	#sub post_load { } # XS
1695		2087
1696	sub load {	2088	sub load {
1697	my ($self) = @_;	2089	my ($self) = @_;
1698		2090
1699	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1700		2092
1701	my $path = $self->{path};	2093	my $path = $self->{path};
1702		2094
1703	{	2095	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1705		2097
		2098	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2100
1708	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1709		2102
1710	$self->alloc;	2103	$self->alloc;
1711		2104
1712	$self->pre_load;	2105	$self->pre_load;
1713	Coro::cede;	2106	cf::cede_to_tick;
1714		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1716	or return;	2111	or return;
1717		2112
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1719	if delete $self->{load_original};	2114	if delete $self->{load_original};
1720		2115
1721	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2117	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2120	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1726	}	2124	}
1727	}	2125	}
1728		2126
1729	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1730	# now do the right thing for maps	2130	# now do the right thing for maps
1731	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2133	unless $self->difficulty;
1734	Coro::cede;	2134	cf::cede_to_tick;
1735		2135
1736	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2137	$self->decay_objects;
1738	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1739	$self->update_buttons;	2139	$self->update_buttons;
1740	Coro::cede;	2140	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2141	$self->activate;
1744	}	2142	}
1745		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2148	}
1748		2149
1749	$self->post_load;	2150	$self->post_load;
1750	}	2151	}
1751		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2156	sub customise_for {
1753	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1754		2158
1755	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2160	if $self->per_player;
…		…
1760		2164
1761	$self	2165	$self
1762	}	2166	}
1763		2167
1764	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2169	sub load_neighbours {
1766	my ($map) = @_;	2170	my ($map) = @_;
1767		2171
1768	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1769		2173
1770	for (0 .. 3) {	2174	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1772	or next;	2176	or next;
1773	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1774	or next;	2178	or next;
1775	$neigh->load;	2179	$neigh->load;
1776		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2185	}
1780		2186
1781	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1783	or next;	2190	or next;
1784	$neigh->load;	2191	$neigh->load;
1785	}	2192	}
1786	}	2193	}
1787		2194
1788	sub find_sync {	2195	sub find_sync {
1789	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1790		2197
1791	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1792	}	2202	}
1793		2203
1794	sub do_load_sync {	2204	sub do_load_sync {
1795	my ($map) = @_;	2205	my ($map) = @_;
1796		2206
1797	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1798	}	2211	}
1799		2212
1800	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1802		2215
1803	sub find_async {	2216	sub find_async {
1804	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1805		2218
1806	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1807		2220
1808	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2223	}
1811		2224
1812	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1813	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1814	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2232	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2233	$map->load if $v;
		2234	}
1819		2235
1820	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1821	}	2237	}
1822	}	2238	}
1823	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1824	};	2240	};
1825	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1826		2242
1827	()	2243	()
1828	}	2244	}
1829		2245
		2246	# common code, used by both ->save and ->swapout
1830	sub save {	2247	sub _save {
1831	my ($self) = @_;	2248	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2249
1835	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1836		2251
1837	return unless $self->dirty;	2252	return unless $self->dirty;
1838		2253
…		…
1844	return if $self->{deny_save};	2259	return if $self->{deny_save};
1845		2260
1846	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1847		2262
1848	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1850	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1851		2269
1852	if ($uniq) {	2270	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2273	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2275	}
1858	}	2276	}
1859		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1860	sub swap_out {	2286	sub swap_out {
1861	my ($self) = @_;	2287	my ($self) = @_;
1862		2288
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1868	return if $self->players;	2293	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1872	$self->clear;	2304	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2305	}
1875		2306
1876	sub reset_at {	2307	sub reset_at {
1877	my ($self) = @_;	2308	my ($self) = @_;
1878		2309
…		…
1896		2327
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2329
1899	return if $self->players;	2330	return if $self->players;
1900		2331
1901	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1902		2333
1903	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1904		2335
1905	# need to save uniques path	2336	# need to save uniques path
1906	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2341	if $uniq;
1911	}	2342	}
1912		2343
1913	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1914		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2348	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2349
1919	$self->unlink_save;	2350	$self->unlink_save;
1920	$self->destroy;	2351	$self->destroy;
1921	}	2352	}
1922		2353
1923	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1924		2355
1925	sub nuke {	2356	sub nuke {
1926	my ($self) = @_;	2357	my ($self) = @_;
1927		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1928	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1929		2363
1930	$self->unlink_save;	2364	$self->unlink_save;
1931		2365
1932	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2371
1938	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1939		2374
1940	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
1941	}	2376	}
1942		2377
1943	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
1985		2420
1986	sub unique_maps() {	2421	sub unique_maps() {
1987	[	2422	[
1988	map {	2423	map {
1989	utf8::decode $_;	2424	utf8::decode $_;
1990	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
1991	? normalise $_	2428	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2430	]
1995	}	2431	}
1996		2432
1997	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1998		2464
1999	=back	2465	=back
2000		2466
2001	=head3 cf::object	2467	=head3 cf::object
2002		2468
…		…
2006		2472
2007	=over 4	2473	=over 4
2008		2474
2009	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2010		2476
2011	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2012		2479
2013	=cut	2480	=cut
2014		2481
2015	sub inv_recursive_;	2482	sub inv_recursive_;
2016	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2019		2486
2020	sub inv_recursive {	2487	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2022	}	2489	}
2023		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2024	package cf;	2519	package cf;
2025		2520
2026	=back	2521	=back
2027		2522
2028	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2037		2532
2038	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2039		2548
2040	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2550	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2050		2559
2051	} else {	2560	} else {
2052	my $pl = $self->contr;	2561	my $pl = $self->contr;
2053		2562
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2566
2060	} else {	2567	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2570	}
2064	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2065	}	2582	}
2066		2583
2067	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2068		2585
2069	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2082		2599
2083	=item $player_object->enter_link	2600	=item $player_object->enter_link
2084		2601
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2603
2087	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2089		2608
2090	Will never block.	2609	Will never block.
2091		2610
2092	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2093		2612
…		…
2113	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2633	my ($self) = @_;
2115		2634
2116	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2117		2636
		2637	++$self->{_link_recursion};
		2638
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2640
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2122		2643
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2645	}
2125		2646
2126	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2128		2649
…		…
2145	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2147		2668
2148	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2151		2672
2152	$map->load;	2673	$map->load;
2153	$map->load_diag;	2674	$map->load_neighbours;
2154		2675
2155	return unless $self->contr->active;	2676	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2677
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2160	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2161		2685
		2686	}
		2687
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2689
2164	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2168		2698
2169	=cut	2699	=cut
2170		2700
2171	our $GOTOGEN;	2701	our $GOTOGEN;
2172		2702
2173	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2175		2711
2176	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2714
2179	$self->enter_link;	2715	$self->enter_link;
2180		2716
2181	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2182	my $map = eval {	2739	my $map = eval {
2183	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2184		2741
2185	if ($map) {	2742	if ($map) {
2186	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2745	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2747	}
2191		2748
2192	$map	2749	$map
2193	};	2750	};
2194		2751
…		…
2199		2756
2200	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2203	}	2760	}
		2761
		2762	$done->($self) if $done;
2204	})->prio (1);	2763	})->prio (1);
2205	}	2764	}
2206		2765
2207	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2208		2767
…		…
2228	}	2787	}
2229		2788
2230	sub prepare_random_map {	2789	sub prepare_random_map {
2231	my ($exit) = @_;	2790	my ($exit) = @_;
2232		2791
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2794	# that depends on the exit object
2238		2795
2239	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2798	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2246	}	2805	}
2247		2806
2248	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2249		2808
2250	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2253		2812
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2815	undef $fh;
2257	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2258		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2261	}	2824	}
2262	}	2825	}
2263		2826
2264	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2266		2829
2267	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2268		2831
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2832	$self->enter_link;
2281		2833
2282	(async {	2834	(async {
2283	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2284	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2285	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2286		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2287	1;	2858	1
2288	}) {	2859	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2864
2294	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2866	$self->leave_link;
2296	}	2867	}
2297	})->prio (1);	2868	})->prio (1);
2298	}	2869	}
2299		2870
…		…
2313		2884
2314	utf8::encode $text;	2885	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2887	}
2317		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2318	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2319		3077
2320	Sends an exti event to the client.	3078	Sends an ext event to the client.
2321		3079
2322	=cut	3080	=cut
2323		3081
2324	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2326		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2329	}	3109	}
2330		3110
2331	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2332		3112
2333	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3116
2337	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3118	become reliable at some point in the future.
2339		3119
2340	=cut	3120	=cut
2341		3121
2342	sub cf::client::query {	3122	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3131	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3133
2354	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2356	}	3138	}
2357		3139
2358	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2359	on_reply => sub {	3146	on_reply => sub {
2360	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2361		3148
2362	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2363	# get handled first	3150	# get handled first
…		…
2375	} else {	3162	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3164	}
2378	}	3165	}
2379	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2380	);	3193	);
2381		3194
2382	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2383		3196
2384	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3213
2401	$coro	3214	$coro
2402	}	3215	}
2403		3216
2404	cf::client->attach (	3217	cf::client->attach (
2405	on_destroy => sub {	3218	on_client_destroy => sub {
2406	my ($ns) = @_;	3219	my ($ns) = @_;
2407		3220
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3222	},
2410	);	3223	);
…		…
2425	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2427		3240
2428	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2429		3242
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2431		3248
2432	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2433		3250
2434	=pod	3251	=pod
2435		3252
2436	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2437		3254
2438	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2439	cf::object::player player	3260	cf::object::player
2440	cf::player peaceful	3261	player
2441	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2442		3268
2443	=cut	3269	=cut
2444		3270
2445	for (	3271	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2450	) {	3278	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3281	for @funs;
2455	}	3282	}
2456		3283
…		…
2471		3298
2472	my $qcode = $code;	3299	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2475		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2476	local $_;	3306	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3307
2479	my $eval =	3308	my $eval =
2480	"do {\n"	3309	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3312	. $code
2484	. "\n}"	3313	. "\n}"
2485	;	3314	;
2486		3315
		3316	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2490		3325
2491	if ($@) {	3326	if ($@) {
2492	warn "$@";	3327	warn "$@",
2493	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2495	}	3330	}
2496		3331
2497	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2498	}	3333	}
2499		3334
…		…
2513	=cut	3348	=cut
2514		3349
2515	sub register_script_function {	3350	sub register_script_function {
2516	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2517		3352
2518	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2520	}	3355	}
2521		3356
2522	=back	3357	=back
2523		3358
2524	=cut	3359	=cut
…		…
2527	# the server's init and main functions	3362	# the server's init and main functions
2528		3363
2529	sub load_facedata($) {	3364	sub load_facedata($) {
2530	my ($path) = @_;	3365	my ($path) = @_;
2531		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2532	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2533		3374
2534	my $facedata;	3375	my $facedata;
2535	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3377	or die "$path: $!";
2537		3378
2538	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2539		3380
2540	$facedata->{version} == 2	3381	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2543	{	3393	{
2544	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2545		3395
2546	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3403
		3404	cf::cede_to_tick;
2552	}	3405	}
2553		3406
2554	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2556	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2557	or next;	3411	or next;
		3412
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3416	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3418	}
2563	Coro::cede;	3419
		3420	cf::cede_to_tick;
2564	}	3421	}
2565	}	3422	}
2566		3423
2567	{	3424	{
2568	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2569		3426
2570	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3429	cf::cede_to_tick;
2573	}	3430	}
2574		3431
2575	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2576	}	3433	}
2577		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2578	1	3454	1
2579	}	3455	}
2580		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2581	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2582	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2584	}	3487	}
2585		3488
2586	sub reload_facedata {	3489	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3499	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2599	}	3502	}
2600		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2601	sub reload_resources {	3527	sub reload_resources {
2602	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2603		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2604	reload_regions;	3533	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3534	reload_treasures;
2609		3535
2610	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2611	}	3537	}
2612		3538
2613	sub init {	3539	sub reload_config {
2614	reload_resources;	3540	trace "reloading config file...\n";
2615	}
2616		3541
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3543	or return;
2620		3544
2621	local $/;	3545	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2623		3547
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3549
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3552
2629	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3557	};
2634	warn $@ if $@;	3558	warn $@ if $@;
2635	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3590	}
2637		3591
2638	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2639	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3605	(async {
2643	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2645	};	3609	};
2646		3610
2647	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
2648	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2649	load_extensions;	3636	load_extensions;
2650		3637
2651	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2653	}	3656	}
2654		3657
2655	#############################################################################	3658	#############################################################################
2656	# initialisation and cleanup	3659	# initialisation and cleanup
2657		3660
2658	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2659	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2668	},
2669	);	3667	};
2670	}	3668	}
2671	}	3669	}
2672		3670
2673	sub write_runtime {	3671	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3672	my $t0 = AE::time;
2675		3673
2676	# first touch the runtime file to show we are still running:	3674	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3675	# the fsync below can take a very very long time.
2678		3676
2679	IO::AIO::aio_utime $runtime, undef, undef;	3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3678
2681	my $guard = cf::lock_acquire "write_runtime";	3679	my $guard = cf::lock_acquire "write_runtime";
2682		3680
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3682	or return;
2685		3683
2686	my $value = $cf::RUNTIME + 90 + 10;	3684	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3685	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3686	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3696	aio_utime $fh, undef, undef;
2699		3697
2700	close $fh	3698	close $fh
2701	or return;	3699	or return;
2702		3700
2703	aio_rename "$runtime~", $runtime	3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3702	and return;
2705		3703
2706	warn "runtime file written.\n";	3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3705
2708	1	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2709	}	3757	}
2710		3758
2711	sub emergency_save() {	3759	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2713		3761
2714	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2715		3768
2716	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2717	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3780	$pl->save;
2725	}	3781	}
2726	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2727		3783
2728	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3789	$map->valid or next;
2732	$map->save;	3790	$map->save;
2733	}	3791	}
2734	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2735		3793
2736	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3822	};
2740		3823
2741	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2742	}	3825	}
2743		3826
2744	sub post_cleanup {	3827	sub post_cleanup {
2745	my ($make_core) = @_;	3828	my ($make_core) = @_;
2746		3829
		3830	IO::AIO::flush;
		3831
2747	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2749	}	3862	}
2750		3863
2751	sub do_reload_perl() {	3864	sub do_reload_perl() {
2752	# can/must only be called in main	3865	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2754	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2755	return;	3868	return;
2756	}	3869	}
2757		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2758	warn "reloading...";	3877	info "reloading...";
2759		3878
2760	warn "entering sync_job";	3879	trace "entering sync_job";
2761		3880
2762	cf::sync_job {	3881	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3882	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3883
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3886	%EXT_CORO = ();
2791		3887
2792	warn "removing commands";	3888	trace "removing commands";
2793	%COMMAND = ();	3889	%COMMAND = ();
2794		3890
2795	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2796	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2797		3894
2798	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2801		3898
2802	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3900	eval {
2804	$cb->($pkg);	3901	$cb->($pkg);
2805	1	3902	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2807	}	3908	}
2808		3909
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3913
2817	warn "... unloading $k";	3914	trace "... unloading $k";
2818	delete $INC{$k};	3915	delete $INC{$k};
2819		3916
2820	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2822		3919
2823	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2825	}	3925	}
2826		3926
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3930
2834	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3934
2838	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3936	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2841		3938
2842	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2843		3940
2844	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2845	require cf;	3942	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2847		3944
2848	warn "loading config and database again";	3945	trace "loading config and database again";
2849	cf::cfg_load;	3946	cf::reload_config;
2850		3947
2851	warn "loading extensions";	3948	trace "loading extensions";
2852	cf::load_extensions;	3949	cf::load_extensions;
2853		3950
		3951	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2860		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2861	warn "leaving sync_job";	3963	trace "leaving sync_job";
2862		3964
2863	1	3965	1
2864	} or do {	3966	} or do {
2865	warn $@;	3967	error $@;
2866	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2868	};	3973	}
2869		3974
2870	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2871	};	3977	};
2872		3978
2873	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2874		3980
2875	sub reload_perl() {	3981	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
2878		3984
2879	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3987
2882	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3989	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
2886	},	3991	};
2887	);	3992	};
2888	}	3993	}
2889		3994
2890	register_command "reload" => sub {	3995	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2892		3997
2893	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4002	reload_perl;
		4003	};
2896	}	4004	}
2897	};	4005	};
2898		4006
2899	unshift @INC, $LIBDIR;	4007	#############################################################################
2900		4008
2901	my $bug_warning = 0;	4009	my $bug_warning = 0;
2902		4010
2903	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
2905		4013
2906	sub wait_for_tick {	4014	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4016
2910	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4019	$signal->wait;
2913	}	4020	}
2914		4021
2915	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4024
2919	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4027	$signal->wait;
2922	}	4028	}
2923		4029
2924	my $min = 1e6;#d#	4030	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2936	return;	4034	return;
2937	}	4035	}
2938		4036
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2942		4038
2943	0 && sync_job {#d#	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4040
2949	$map->width (50);	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4043	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4044	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4045	write_runtime_sync
2954		4046	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4047	};
		4048	}
2965		4049
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4051	$sig->send;
2982	}	4052	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4054	$sig->send;
2985	}	4055	}
2986		4056
2987	$NOW = Event::time;	4057	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4059
2998	_post_tick;	4060	if (0) {
2999		4061	if ($NEXT_TICK) {
3000		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
3001	},	4066	}
3002	);	4067	}
3003		4068
3004	{	4069	{
3005	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4071
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
3015		4073	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4075
3031	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4083
3034	cf::sync_job {	4084	cf::sync_job {
3035	eval {	4085	eval {
3036	BDB::db_env_open	4086	BDB::db_env_open
3037	$DB_ENV,	4087	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4091	0666;
3042		4092
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4094	};
3048		4095
3049	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4097	};
3051	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
3052	}	4109	}
3053		4110
3054	{	4111	{
		4112	# configure IO::AIO
		4113
3055	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4117	}
3068		4118
3069	my $_log_backtrace;	4119	my $_log_backtrace;
3070		4120
3071	sub _log_backtrace {	4121	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4124	$msg =~ s/\n//;
3075		4125
3076	# limit the # of concurrent backtraces	4126	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4127	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
3079	async {	4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
3080	my @bt = fork_call {	4133	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4134	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4137	or die "addr2line: $!";
…		…
3092	}	4145	}
3093		4146
3094	@funcs	4147	@funcs
3095	};	4148	};
3096		4149
3097	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4152	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4153	--$_log_backtrace;
3100	};	4154	};
3101	} else {	4155	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4156	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4157	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4158	}
3105	}	4159	}
3106		4160
3107	# load additional modules	4161	# load additional modules
3108	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
3109		4164
3110	END { cf::emergency_save }	4165	END { cf::emergency_save }
3111		4166
3112	1	4167	1
3113		4168

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