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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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);
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 ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	511	acceptable.
329		512
330	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		519
337	sub sync_job(&) {	520	sub sync_job(&) {
338	my ($job) = @_;	521	my ($job) = @_;
339		522
340	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
452		677
453	our $DB;	678	our $DB;
454		679
455	sub db_init {	680	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	681	cf::sync_job {
460	eval {	682	$DB ||= db_table "db";
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	}	683	};
470	}	684	}
471		685
472	sub db_get($$) {	686	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
474		688
…		…
524	if (1) {	738	if (1) {
525	$md5 =	739	$md5 =
526	join "\x00",	740	join "\x00",
527	$processversion,	741	$processversion,
528	map {	742	map {
529	Coro::cede;	743	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	745	} 0.. $#$src;
532		746
533		747
534	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		755
542	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	757	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
545		759
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		761
548	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
551		765
…		…
561		775
562	=cut	776	=cut
563		777
564	sub datalog($@) {	778	sub datalog($@) {
565	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	781	}
568		782
569	=back	783	=back
570		784
571	=cut	785	=cut
572		786
573	#############################################################################	787	#############################################################################
574		788
575	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
576		790
577	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
580		794
581	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	797	Deliantra).
584		798
585	=over 4	799	=over 4
586		800
587	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
588		802
…		…
632	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
633		847
634	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
636		850
637	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
639		853
640	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
641		855
642	=over 4	856	=over 4
…		…
766		980
767	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		983
770	} elsif (ref $type) {	984	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
772		986
773	} else {	987	} else {
774	shift @arg;	988	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
776	}	990	}
777	}	991	}
778	}	992	}
779		993
780	sub _object_attach {	994	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
791	}	1005	}
792		1006
793	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
794	} else {	1008	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1010	}
797		1011
798	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
799	}	1013	}
800		1014
…		…
840	";	1054	";
841	die if $@;	1055	die if $@;
842	}	1056	}
843		1057
844	our $override;	1058	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1060
847	sub override {	1061	sub override {
848	$override = 1;	1062	$override = 1;
849	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
850	}	1064	}
851		1065
852	sub do_invoke {	1066	sub do_invoke {
853	my $event = shift;	1067	my $event = shift;
854	my $callbacks = shift;	1068	my $callbacks = shift;
855		1069
856	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
857		1071
858	local $override;	1072	local $override;
859		1073
860	for (@$callbacks) {	1074	for (@$callbacks) {
861	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
862		1076
863	if ($@) {	1077	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1079	override;
867	}	1080	}
868		1081
869	return 1 if $override;	1082	return 1 if $override;
870	}	1083	}
871		1084
872	0	1085	0
873	}	1086	}
874		1087
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1089
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1091
879	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
880		1093
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1097
885	=back	1098	=back
886		1099
887	=cut	1100	=cut
888		1101
889	#############################################################################	1102	#############################################################################
890	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
891		1146
892	sub reattach {	1147	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1149	my ($obj) = @_;
895		1150
		1151	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1153
898	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
899		1155
900	@$registry = ();	1156	@$registry = ();
901		1157
…		…
906	for (@$attach) {	1162	for (@$attach) {
907	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
909	}	1165	}
910	} else {	1166	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1168	}
913	}	1169	}
914	}	1170	}
915		1171
916	cf::attachable->attach (	1172	cf::attachable->attach (
917	prio => -1000000,	1173	prio => -1000000,
918	on_instantiate => sub {	1174	on_instantiate => sub {
919	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
920		1176
921	$data = from_json $data;	1177	$data = decode_json $data;
922		1178
923	for (@$data) {	1179	for (@$data) {
924	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
925		1181
926	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1198	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
944		1200
945	sync_job {	1201	sync_job {
946	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
949		1207
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
954	close $fh;	1215	aio_close $fh;
955		1216
956	if (@$objs) {	1217	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
962	close $fh;	1226	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
964	}	1228	}
965	} else {	1229	} else {
966	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
967	}	1231	}
968		1232
969	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1237	} else {
971	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
972	}	1239	}
973	} else {	1240	} else {
974	aio_unlink $filename;	1241	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
976	}	1243	}
977	}	1244	};
978	}	1245	}
979		1246
980	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
982		1249
…		…
994	or return;	1261	or return;
995		1262
996	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
998	or return;	1265	or return;
		1266
999	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1000	}	1269	}
1001		1270
		1271	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1004	return ($data, $av);	1276	($data, $av)
1005	}	1277	}
1006		1278
1007	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1008		1280
1009	=over 4	1281	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1302	}
1031		1303
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1305
1034	Register a callback fro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
1035		1311
1036	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
1037	called.	1313	called.
1038		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
1039	=cut	1326	=cut
1040		1327
1041	sub register_extcmd {	1328	sub register_extcmd {
1042	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
1043		1330
1044	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
1045	}	1332	}
1046		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
1047	cf::player->attach (	1342	cf::player->attach (
1048	on_command => sub {	1343	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1050		1345
1051	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1052	or return;	1347	or return;
1053		1348
…		…
1058	cf::override;	1353	cf::override;
1059	},	1354	},
1060	on_extcmd => sub {	1355	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1062		1357
1063	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1359
1065	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1071	} else {	1375	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1377	}
1074		1378
1075	cf::override;	1379	cf::override;
1076	},	1380	},
1077	);	1381	);
1078		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1079	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1080	cf::sync_job {	1399	cf::sync_job {
1081	my %todo;	1400	my %todo;
1082		1401
1083	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1403	next unless -r $path;
…		…
1102		1421
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1424
1106	$ext{source} =	1425	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1109	. $source	1428	. $source
1110	. "\n};\n1";	1429	. "\n};\n1";
1111		1430
1112	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1113	}	1432	}
1114		1433
		1434	my $pass = 0;
1115	my %done;	1435	my %done;
1116	while (%todo) {	1436	while (%todo) {
1117	my $progress;	1437	my $progress;
1118		1438
		1439	++$pass;
		1440
		1441	ext:
1119	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1444	next ext
1122	unless exists $done{$_};	1445	unless exists $done{$_};
1123	}	1446	}
1124		1447
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1449
1127	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1132	warn $msg;	1457
1133	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1459	delete $todo{$k};
1135	}	1460	} else {
1136		1461	$done{$k} = delete $todo{$k};
1137	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1138	}	1467	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1468	}
1144		1469
1145	skip:	1470	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1148	}	1478	}
1149	};	1479	};
1150	}	1480	}
1151		1481
1152	#############################################################################	1482	#############################################################################
1153		1483
1154	=back	1484	=back
1155		1485
1156	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1157		1487
1158	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1159		1489
1160	=cut	1490	=cut
1161		1491
1162	package cf::player;	1492	package cf::player;
1163		1493
1164	use Coro::AIO;	1494	use Coro::AIO;
1165		1495
1166	=head3 cf::player	1496	=head3 cf::player
1167		1497
1168	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1169		1513
1170	=item cf::player::find $login	1514	=item cf::player::find $login
1171		1515
1172	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1173		1517
…		…
1192		1536
1193	sub exists($) {	1537	sub exists($) {
1194	my ($login) = @_;	1538	my ($login) = @_;
1195		1539
1196	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1198	}	1542	}
1199		1543
1200	sub find($) {	1544	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1546	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1557
1214	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1217	}	1567	}
1218	}	1568	}
1219	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1220		1583
1221	sub save($) {	1584	sub save($) {
1222	my ($pl) = @_;	1585	my ($pl) = @_;
1223		1586
1224	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1230		1593
1231	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1233		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1234	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1235	Coro::cede;	1603	cf::cede_to_tick;
1236	}	1604	}
1237		1605
1238	sub new($) {	1606	sub new($) {
1239	my ($login) = @_;	1607	my ($login) = @_;
1240		1608
…		…
1246	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1247		1615
1248	$self	1616	$self
1249	}	1617	}
1250		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1251	=item $pl->quit_character	1629	=item $pl->quit_character
1252		1630
1253	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1255		1633
…		…
1259	my ($pl) = @_;	1637	my ($pl) = @_;
1260		1638
1261	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1262		1640
1263	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1643
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1270		1649
1271	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1687	or return [];
1309		1688
1310	my @logins;	1689	my @logins;
1311		1690
1312	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1316		1701
1317	utf8::decode $login;	1702	utf8::decode $login;
1318	push @logins, $login;	1703	push @logins, $login;
1319	}	1704	}
1320		1705
1321	\@logins	1706	\@logins
1322	}	1707	}
1323		1708
1324	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1325		1712
1326	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1327	player. May block.	1714	player. May block.
1328		1715
1329	=cut	1716	=cut
…		…
1347	}	1734	}
1348		1735
1349	\@paths	1736	\@paths
1350	}	1737	}
1351		1738
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1740
1354	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1355		1742
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1386		1744
1387	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1388		1746
1389	=cut	1747	=cut
1390		1748
1391	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1393		1751
1394	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1753	}
1398		1754
1399	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1400		1756
1401	Sends an ext event to the client.	1757	Sends an ext event to the client.
1402		1758
1403	=cut	1759	=cut
1404		1760
1405	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1407		1763
1408	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1409	}	1765	}
1410		1766
1411	=head3 cf::region	1767	=head3 cf::region
1412		1768
1413	=over 4	1769	=over 4
…		…
1423	=cut	1779	=cut
1424		1780
1425	sub find_by_path($) {	1781	sub find_by_path($) {
1426	my ($path) = @_;	1782	my ($path) = @_;
1427		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1428	my ($match, $specificity);	1786	my ($match, $specificity);
1429		1787
1430	for my $region (list) {	1788	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1434	}	1792	}
1435	}	1793	}
1436		1794
…		…
1457	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1459		1817
1460	sub generate_random_map {	1818	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1462	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1824	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1492		1853
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1855	}
1495		1856
1496	# also paths starting with '/'	1857	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1859
1499	sub thawer_merge {	1860	sub thawer_merge {
1500	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1501		1862
1502	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1556	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1557	return $self;	1918	return $self;
1558	}	1919	}
1559	}	1920	}
1560		1921
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1923	()
1563	}	1924	}
1564		1925
1565	sub init {	1926	sub init {
1566	my ($self) = @_;	1927	my ($self) = @_;
…		…
1588		1949
1589	# the temporary/swap location	1950	# the temporary/swap location
1590	sub save_path {	1951	sub save_path {
1591	my ($self) = @_;	1952	my ($self) = @_;
1592		1953
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1595	}	1956	}
1596		1957
1597	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1598	sub uniq_path {	1959	sub uniq_path {
1599	my ($self) = @_;	1960	my ($self) = @_;
1600		1961
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	1964	}
1613		1965
1614	sub decay_objects {	1966	sub decay_objects {
1615	my ($self) = @_;	1967	my ($self) = @_;
1616		1968
…		…
1629		1981
1630	sub load_header_from($) {	1982	sub load_header_from($) {
1631	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1632		1984
1633	utf8::encode $path;	1985	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1639		1994
1640	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1641		1996
1642	1	1997	1
1643	}	1998	}
…		…
1697	sub find {	2052	sub find {
1698	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1699		2054
1700	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1701		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2059
1704	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1707	or return;	2062	or return;
1708		2063
1709	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1710		2065
…		…
1712	or return;	2067	or return;
1713		2068
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1717	$map->reset;	2074	$map->reset;
1718	undef $guard;
1719	return find $path;	2075	return find $path;
1720	}	2076	}
1721		2077
1722	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1723	}	2079	}
1724	}	2080	}
1725		2081
1726	sub pre_load { }	2082	sub pre_load { }
1727	sub post_load { }	2083	#sub post_load { } # XS
1728		2084
1729	sub load {	2085	sub load {
1730	my ($self) = @_;	2086	my ($self) = @_;
1731		2087
1732	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1733		2089
1734	my $path = $self->{path};	2090	my $path = $self->{path};
1735		2091
1736	{	2092	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1738		2094
		2095	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2097
1741	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1742		2099
1743	$self->alloc;	2100	$self->alloc;
1744		2101
1745	$self->pre_load;	2102	$self->pre_load;
1746	Coro::cede;	2103	cf::cede_to_tick;
1747		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1749	or return;	2108	or return;
1750		2109
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1752	if delete $self->{load_original};	2111	if delete $self->{load_original};
1753		2112
1754	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2114	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2117	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1759	}	2121	}
1760	}	2122	}
1761		2123
1762	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1763	# now do the right thing for maps	2127	# now do the right thing for maps
1764	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2130	unless $self->difficulty;
1767	Coro::cede;	2131	cf::cede_to_tick;
1768		2132
1769	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2134	$self->decay_objects;
1771	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1772	$self->update_buttons;	2136	$self->update_buttons;
1773	Coro::cede;	2137	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2138	$self->activate;
1777	}	2139	}
1778		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2145	}
1781		2146
1782	$self->post_load;	2147	$self->post_load;
1783	}	2148	}
1784		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2153	sub customise_for {
1786	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1787		2155
1788	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2157	if $self->per_player;
…		…
1793		2161
1794	$self	2162	$self
1795	}	2163	}
1796		2164
1797	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2166	sub load_neighbours {
1799	my ($map) = @_;	2167	my ($map) = @_;
1800		2168
1801	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1802		2170
1803	for (0 .. 3) {	2171	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1805	or next;	2173	or next;
1806	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1807	or next;	2175	or next;
1808	$neigh->load;	2176	$neigh->load;
1809		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2182	}
1813		2183
1814	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1816	or next;	2187	or next;
1817	$neigh->load;	2188	$neigh->load;
1818	}	2189	}
1819	}	2190	}
1820		2191
…		…
1825	}	2196	}
1826		2197
1827	sub do_load_sync {	2198	sub do_load_sync {
1828	my ($map) = @_;	2199	my ($map) = @_;
1829		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1830	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1831	}	2205	}
1832		2206
1833	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1835		2209
1836	sub find_async {	2210	sub find_async {
1837	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1838		2212
1839	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1840		2214
1841	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2217	}
1844		2218
1845	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1846	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1847	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2226	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2227	$map->load if $v;
		2228	}
1852		2229
1853	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1854	}	2231	}
1855	}	2232	}
1856	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1857	};	2234	};
1858	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1859		2236
1860	()	2237	()
1861	}	2238	}
1862		2239
		2240	# common code, used by both ->save and ->swapout
1863	sub save {	2241	sub _save {
1864	my ($self) = @_;	2242	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2243
1868	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1869		2245
1870	return unless $self->dirty;	2246	return unless $self->dirty;
1871		2247
…		…
1877	return if $self->{deny_save};	2253	return if $self->{deny_save};
1878		2254
1879	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1880		2256
1881	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1883	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1884		2263
1885	if ($uniq) {	2264	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2267	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2269	}
1891	}	2270	}
1892		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1893	sub swap_out {	2280	sub swap_out {
1894	my ($self) = @_;	2281	my ($self) = @_;
1895		2282
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1901	return if $self->players;	2287	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1905	$self->clear;	2298	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2299	}
1908		2300
1909	sub reset_at {	2301	sub reset_at {
1910	my ($self) = @_;	2302	my ($self) = @_;
1911		2303
…		…
1929		2321
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2323
1932	return if $self->players;	2324	return if $self->players;
1933		2325
1934	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1935		2327
1936	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1937		2329
1938	# need to save uniques path	2330	# need to save uniques path
1939	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2335	if $uniq;
1944	}	2336	}
1945		2337
1946	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1947		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2342	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2343
1952	$self->unlink_save;	2344	$self->unlink_save;
1953	$self->destroy;	2345	$self->destroy;
1954	}	2346	}
1955		2347
1956	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1957		2349
1958	sub nuke {	2350	sub nuke {
1959	my ($self) = @_;	2351	my ($self) = @_;
1960		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1961	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1962		2357
1963	$self->unlink_save;	2358	$self->unlink_save;
1964		2359
1965	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2365
1971	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1972		2368
1973	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
1974	}	2370	}
1975		2371
1976	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2018		2414
2019	sub unique_maps() {	2415	sub unique_maps() {
2020	[	2416	[
2021	map {	2417	map {
2022	utf8::decode $_;	2418	utf8::decode $_;
2023	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2024	? normalise $_	2422	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2424	]
2028	}	2425	}
2029		2426
2030	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2031		2458
2032	=back	2459	=back
2033		2460
2034	=head3 cf::object	2461	=head3 cf::object
2035		2462
…		…
2039		2466
2040	=over 4	2467	=over 4
2041		2468
2042	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2043		2470
2044	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2045		2473
2046	=cut	2474	=cut
2047		2475
2048	sub inv_recursive_;	2476	sub inv_recursive_;
2049	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2052		2480
2053	sub inv_recursive {	2481	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2055	}	2483	}
2056		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2057	package cf;	2513	package cf;
2058		2514
2059	=back	2515	=back
2060		2516
2061	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2070		2526
2071	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2072		2542
2073	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2544	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2083		2553
2084	} else {	2554	} else {
2085	my $pl = $self->contr;	2555	my $pl = $self->contr;
2086		2556
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2560
2096	} else {	2561	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2564	}
2100	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2101	}	2576	}
2102		2577
2103	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2104		2579
2105	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2118		2593
2119	=item $player_object->enter_link	2594	=item $player_object->enter_link
2120		2595
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2597
2123	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2125		2602
2126	Will never block.	2603	Will never block.
2127		2604
2128	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2129		2606
…		…
2149	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2627	my ($self) = @_;
2151		2628
2152	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2153		2630
		2631	++$self->{_link_recursion};
		2632
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2634
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2158		2637
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2639	}
2161		2640
2162	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2164		2643
…		…
2181	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2183		2662
2184	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2187		2666
2188	$map->load;	2667	$map->load;
2189	$map->load_diag;	2668	$map->load_neighbours;
2190		2669
2191	return unless $self->contr->active;	2670	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2671
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2196	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2197		2679
		2680	}
		2681
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2683
2200	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
2204		2692
2205	=cut	2693	=cut
2206		2694
2207	our $GOTOGEN;	2695	our $GOTOGEN;
2208		2696
2209	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
2211		2705
2212	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2708
2215	$self->enter_link;	2709	$self->enter_link;
2216		2710
2217	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2218	my $map = eval {	2733	my $map = eval {
2219	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2220		2735
2221	if ($map) {	2736	if ($map) {
2222	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2739	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2741	}
2227		2742
2228	$map	2743	$map
2229	};	2744	};
2230		2745
…		…
2235		2750
2236	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2239	}	2754	}
		2755
		2756	$done->($self) if $done;
2240	})->prio (1);	2757	})->prio (1);
2241	}	2758	}
2242		2759
2243	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2244		2761
…		…
2264	}	2781	}
2265		2782
2266	sub prepare_random_map {	2783	sub prepare_random_map {
2267	my ($exit) = @_;	2784	my ($exit) = @_;
2268		2785
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2788	# that depends on the exit object
2274		2789
2275	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2792	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2282	}	2799	}
2283		2800
2284	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2285		2802
2286	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2289		2806
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2809	undef $fh;
2293	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2294		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2297	}	2818	}
2298	}	2819	}
2299		2820
2300	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2302		2823
2303	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2304		2825
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2826	$self->enter_link;
2317		2827
2318	(async {	2828	(async {
2319	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2320	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2321	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2322		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2323	1;	2852	1
2324	}) {	2853	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2858
2330	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2860	$self->leave_link;
2332	}	2861	}
2333	})->prio (1);	2862	})->prio (1);
2334	}	2863	}
2335		2864
…		…
2349		2878
2350	utf8::encode $text;	2879	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2881	}
2353		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2909
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2911	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2360		2914
2361	=cut	2915	=cut
2362		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2363	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3033
2366	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
2367		3036
2368	if ($self->can_msg) {	3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3038
2381	if ($color >= 0) {	3039	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3040	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3041	$channel = $CHANNEL{$channel};
2384	} else {	3042
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3043	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
2387	}	3051	}
2388	}
2389	}
2390	}
2391		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2392	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2393		3071
2394	Sends an exti event to the client.	3072	Sends an ext event to the client.
2395		3073
2396	=cut	3074	=cut
2397		3075
2398	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2400		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2403	}	3103	}
2404		3104
2405	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2406		3106
2407	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3110
2411	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3112	become reliable at some point in the future.
2413		3113
2414	=cut	3114	=cut
2415		3115
2416	sub cf::client::query {	3116	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3125	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3127
2428	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2430	}	3132	}
2431		3133
2432	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2433	on_reply => sub {	3140	on_reply => sub {
2434	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2435		3142
2436	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2437	# get handled first	3144	# get handled first
…		…
2449	} else {	3156	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3158	}
2452	}	3159	}
2453	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2454	);	3187	);
2455		3188
2456	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2457		3190
2458	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3207
2475	$coro	3208	$coro
2476	}	3209	}
2477		3210
2478	cf::client->attach (	3211	cf::client->attach (
2479	on_destroy => sub {	3212	on_client_destroy => sub {
2480	my ($ns) = @_;	3213	my ($ns) = @_;
2481		3214
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3216	},
2484	);	3217	);
…		…
2499	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2501		3234
2502	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2503		3236
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2505		3242
2506	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2507		3244
2508	=pod	3245	=pod
2509		3246
2510	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2511		3248
2512	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2513	cf::object::player player	3254	cf::object::player
2514	cf::player peaceful	3255	player
2515	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2516		3262
2517	=cut	3263	=cut
2518		3264
2519	for (	3265	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2524	) {	3272	) {
2525	no strict 'refs';	3273	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2545		3293
2546	my $qcode = $code;	3294	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2549		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2550	local $_;	3301	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3302
2553	my $eval =	3303	my $eval =
2554	"do {\n"	3304	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3307	. $code
2558	. "\n}"	3308	. "\n}"
2559	;	3309	;
2560		3310
		3311	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2564		3320
2565	if ($@) {	3321	if ($@) {
2566	warn "$@";	3322	warn "$@",
2567	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2569	}	3325	}
2570		3326
2571	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2572	}	3328	}
2573		3329
…		…
2587	=cut	3343	=cut
2588		3344
2589	sub register_script_function {	3345	sub register_script_function {
2590	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2591		3347
2592	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2594	}	3350	}
2595		3351
2596	=back	3352	=back
2597		3353
2598	=cut	3354	=cut
…		…
2601	# the server's init and main functions	3357	# the server's init and main functions
2602		3358
2603	sub load_facedata($) {	3359	sub load_facedata($) {
2604	my ($path) = @_;	3360	my ($path) = @_;
2605		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2606	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2607		3369
2608	my $facedata;	3370	my $facedata;
2609	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2610	or die "$path: $!";	3372	or die "$path: $!";
2611		3373
2612	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2613		3375
2614	$facedata->{version} == 2	3376	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2617	{	3388	{
2618	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2619		3390
2620	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3398
		3399	cf::cede_to_tick;
2626	}	3400	}
2627		3401
2628	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2630	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2631	or next;	3406	or next;
		3407
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3411	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3413	}
2637	Coro::cede;	3414
		3415	cf::cede_to_tick;
2638	}	3416	}
2639	}	3417	}
2640		3418
2641	{	3419	{
2642	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2643		3421
2644	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3424	cf::cede_to_tick;
2647	}	3425	}
2648		3426
2649	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2650	}	3428	}
2651		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2652	1	3449	1
2653	}	3450	}
2654		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2655	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2656	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2658	}	3482	}
2659		3483
2660	sub reload_facedata {	3484	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2670	sub reload_treasures {	3494	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2673	}	3497	}
2674		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2675	sub reload_resources {	3522	sub reload_resources {
2676	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2677		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2678	reload_regions;	3528	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3529	reload_treasures;
2683		3530
2684	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2685	}	3532	}
2686		3533
2687	sub init {	3534	sub reload_config {
2688	reload_resources;	3535	trace "reloading config file...\n";
2689	}
2690		3536
2691	sub cfg_load {
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2693	or return;	3538	or return;
2694		3539
2695	local $/;	3540	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2697		3542
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3544
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3547
2703	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2706	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2707	};	3552	};
2708	warn $@ if $@;	3553	warn $@ if $@;
2709	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2710	}	3585	}
2711		3586
2712	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2713	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3600	(async {
2717	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2719	};	3604	};
2720		3605
2721	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2722	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2723	load_extensions;	3629	load_extensions;
2724		3630
2725	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2727	}	3644	}
2728		3645
2729	#############################################################################	3646	#############################################################################
2730	# initialisation and cleanup	3647	# initialisation and cleanup
2731		3648
2732	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2733	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2742	},
2743	);	3655	};
2744	}	3656	}
2745	}	3657	}
2746		3658
2747	sub write_runtime {	3659	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2749		3661
2750	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2752		3664
2753	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3666
2755	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2756		3668
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3670	or return;
2759		3671
2760	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2773		3685
2774	close $fh	3686	close $fh
2775	or return;	3687	or return;
2776		3688
2777	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3690	and return;
2779		3691
2780	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3693
2782	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2783	}	3745	}
2784		3746
2785	sub emergency_save() {	3747	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2787		3749
2788	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2789		3751
2790	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2791	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3766	$pl->save;
2799	}	3767	}
2800	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2801		3769
2802	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3773	$map->valid or next;
2806	$map->save;	3774	$map->save;
2807	}	3775	}
2808	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2809		3777
2810	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2813	};	3785	};
2814		3786
2815	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2816	}	3793	}
2817		3794
2818	sub post_cleanup {	3795	sub post_cleanup {
2819	my ($make_core) = @_;	3796	my ($make_core) = @_;
2820		3797
2821	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2823	}	3828	}
2824		3829
2825	sub do_reload_perl() {	3830	sub do_reload_perl() {
2826	# can/must only be called in main	3831	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2828	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2829	return;	3834	return;
2830	}	3835	}
2831		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2832	warn "reloading...";	3842	info "reloading...";
2833		3843
2834	warn "entering sync_job";	3844	trace "entering sync_job";
2835		3845
2836	cf::sync_job {	3846	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2838	cf::emergency_save;	3848	cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2840		3850
2841	warn "syncing database to disk";	3851	trace "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2843		3853
2844	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2845		3855
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2857	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();
2865
2866	warn "removing commands";
2867	%COMMAND = ();
2868
2869	warn "removing ext commands";
2870	%EXTCMD = ();
2871
2872	warn "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";
2875
2876	if (my $cb = $pkg->can ("unload")) {
2877	eval {
2878	$cb->($pkg);
2879	1
2880	} or warn "$pkg unloaded, but with errors: $@";
2881	}	3859	}
2882		3860
2883	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2884	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2885	}	3863	%EXT_CORO = ();
2886		3864
2887	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2888	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2891	warn "... unloading $k";	3874	trace "... unloading $pkg";
2892	delete $INC{$k};
2893		3875
2894	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;
2896
2897	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2898	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2899	}	3885	}
2900		3886
2901	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2902	}	3902	}
2903		3903
2904	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3907
2908	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		3911
2912	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3913	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2915		3915
2916	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2917		3917
2918	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2919	require cf;	3919	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2921		3921
2922	warn "loading config and database again";	3922	trace "loading config and database again";
2923	cf::cfg_load;	3923	cf::reload_config;
2924		3924
2925	warn "loading extensions";	3925	trace "loading extensions";
2926	cf::load_extensions;	3926	cf::load_extensions;
2927		3927
		3928	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2934		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2935	warn "leaving sync_job";	3940	trace "leaving sync_job";
2936		3941
2937	1	3942	1
2938	} or do {	3943	} or do {
2939	warn $@;	3944	error $@;
2940	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2941	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2942	};	3950	}
2943		3951
2944	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2945	};	3954	};
2946		3955
2947	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2948		3957
2949	sub reload_perl() {	3958	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2952		3961
2953	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	3964
2956	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	3966	do_reload_perl;
2959	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2960	},	3968	};
2961	);	3969	};
2962	}	3970	}
2963		3971
2964	register_command "reload" => sub {	3972	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2966		3974
2967	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	3979	reload_perl;
		3980	};
2970	}	3981	}
2971	};	3982	};
2972		3983
2973	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2974		3985
…		…
2976		3987
2977	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2979		3990
2980	sub wait_for_tick {	3991	sub wait_for_tick {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		3993
2984	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	3996	$signal->wait;
2987	}	3997	}
2988		3998
2989	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		4001
2993	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4004	$signal->wait;
2996	}	4005	}
2997		4006
2998	my $min = 1e6;#d#	4007	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3010	return;	4011	return;
3011	}	4012	}
3012		4013
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3016		4015
3017	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		4017
3023	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	4020	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	4022	write_runtime_sync
3028		4023	or error "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4024	};
		4025	}
3039		4026
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4028	$sig->send;
3056	}	4029	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	4031	$sig->send;
3059	}	4032	}
3060		4033
3061	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4036
3072	_post_tick;	4037	if (0) {
3073		4038	if ($NEXT_TICK) {
3074		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3075	},	4043	}
3076	);	4044	}
3077		4045
3078	{	4046	{
3079	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4048
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3089		4050	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4052
3105	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4060
		4061	(Coro::async { # async to keep sync_job from complaining
3108	cf::sync_job {	4062	cf::sync_job {
3109	eval {	4063	eval {
3110	BDB::db_env_open	4064	BDB::db_env_open
3111	$DB_ENV,	4065	$DB_ENV,
3112	$BDBDIR,	4066	$BDBDIR,
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4069	0666;
3116		4070
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
3118		4073
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
3120	$DB_ENV->set_lk_detect;
3121	};	4075	};
		4076	})->join;
		4077	}
3122		4078
3123	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3124	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3125	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
3126	}	4088	}
3127		4089
3128	{	4090	{
		4091	# configure IO::AIO
		4092
3129	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4096	}
3142		4097
3143	my $_log_backtrace;	4098	my $_log_backtrace;
3144		4099
3145	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
3149		4104
3150	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
3153	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3154	my @bt = fork_call {	4112	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3166	}	4124	}
3167		4125
3168	@funcs	4126	@funcs
3169	};	4127	};
3170		4128
3171	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4132	--$_log_backtrace;
3174	};	4133	};
3175	} else {	4134	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3178	}	4137	}
3179	}	4138	}
3180		4139
3181	# load additional modules	4140	# load additional modules
3182	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3183		4143
3184	END { cf::emergency_save }	4144	END { cf::emergency_save }
3185		4145
3186	1	4146	1
3187		4147

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