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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
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	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
251	=item cf::lock_wait $string	376	=item cf::lock_wait $string
252		377
253	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
254		379
255	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
256		381
257	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
260	returned.	385	returned.
261		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
262	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
264		392
265	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
266		394
267	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
268		396
269	=cut	397	=cut
270		398
271	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
272		400
273	sub lock_wait($) {	401	sub lock_wait($) {
274	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	403	}
282		404
283	sub lock_acquire($) {	405	sub lock_acquire($) {
284	my ($key) = @_;	406	$LOCKS->guard ($_[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	}	407	}
296		408
297	sub lock_active($) {	409	sub lock_active($) {
298	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	411	}
302		412
303	sub freeze_mainloop {	413	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
305		415
306	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
308	};	483	}
309	$TICK_WATCHER->stop;	484	};
310	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
311	}	499	}
312		500
313	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
314		502
315	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		508
321	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
322		510
323	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
324		512
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	513	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	514	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	516	acceptable.
329		517
330	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	523	=cut
336		524
337	sub sync_job(&) {	525	sub sync_job(&) {
338	my ($job) = @_;	526	my ($job) = @_;
339		527
340	if ($Coro::current == $Coro::main) {	528	if (in_main) {
341	my $time = Event::time;	529	my $time = AE::time;
342		530
343	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
345		533
346	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	535
348	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
349		537
350	my $busy = 1;	538	my $busy = 1;
351	my @res;	539	my @res;
352		540
353	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	543	@res = eval { $job->() };
355	warn $@ if $@;	544	error $@ if $@;
356	undef $busy;	545	undef $busy;
357	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
358		547
359	while ($busy) {	548	while ($busy) {
360	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
361	}	553	}
		554	}
362		555
363	$time = Event::time - $time;	556	my $time = AE::time - $time;
364		557
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	558	$TICK_START += $time; # do not account sync jobs to server load
369		559
370	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
371	} else {	561	} else {
372	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
373		563
…		…
398	=item fork_call { }, $args	588	=item fork_call { }, $args
399		589
400	Executes the given code block with the given arguments in a seperate	590	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	591	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	592	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	593	never block itself or use any form of event handling.
404		594
405	=cut	595	=cut
406		596
407	sub fork_call(&@) {	597	sub fork_call(&@) {
408	my ($cb, @args) = @_;	598	my ($cb, @args) = @_;
409		599
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	600	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	601	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	602	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		603
415	if (my $pid = fork) {	604	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;	605	reset_signals;
428	local $SIG{__WARN__};	606	&$cb
429	local $SIG{__DIE__};	607	}, @args;
430	eval {
431	close $fh1;
432		608
433	my @res = eval { $cb->(@args) };	609	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	610	}
435	};
436		611
437	warn $@ if $@;	612	sub objinfo {
438	_exit 0;
439	}	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
440	}	648	}
441		649
442	=item $value = cf::db_get $family => $key	650	=item $value = cf::db_get $family => $key
443		651
444	Returns a single value from the environment database.	652	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	654	=item cf::db_put $family => $key => $value
447		655
448	Stores the given C<$value> in the family. It can currently store binary	656	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).	657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
451	=cut	664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
452		685
453	our $DB;	686	our $DB;
454		687
455	sub db_init {	688	sub db_init {
456	unless ($DB) {	689	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	690	}
471		691
472	sub db_get($$) {	692	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	693	my $key = "$_[0]/$_[1]";
474		694
475	cf::sync_job {	695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
476	BDB::db_get $DB, undef, $key, my $data;	698	BDB::db_get $DB, undef, $key, my $data;
477		699
478	$! ? ()	700	$! ? ()
479	: $data	701	: $data
480	}
481	}	702	}
482		703
483	sub db_put($$$) {	704	sub db_put($$$) {
484	BDB::dbreq_pri 4;	705	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	745	if (1) {
525	$md5 =	746	$md5 =
526	join "\x00",	747	join "\x00",
527	$processversion,	748	$processversion,
528	map {	749	map {
529	Coro::cede;	750	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	751	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	752	} 0.. $#$src;
532		753
533		754
534	my $dbmd5 = db_get cache => "$id/md5";	755	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		762
542	my $t1 = Time::HiRes::time;	763	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	764	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	765	my $t2 = Time::HiRes::time;
545		766
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		768
548	db_put cache => "$id/data", $data;	769	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	770	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	771	db_put cache => "$id/meta", $meta;
551		772
…		…
561		782
562	=cut	783	=cut
563		784
564	sub datalog($@) {	785	sub datalog($@) {
565	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	788	}
568		789
569	=back	790	=back
570		791
571	=cut	792	=cut
572		793
573	#############################################################################	794	#############################################################################
574		795
575	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
576		797
577	Many objects in crossfire are so-called attachable objects. That means you can	798	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")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
580		801
581	In the following description, CLASS can be any of C<global>, C<object>	802	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	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	804	Deliantra).
584		805
585	=over 4	806	=over 4
586		807
587	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
588		809
…		…
632	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
633		854
634	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
636		857
637	Some classes such as crossfire maps and objects can specify attachments	858	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.	859	that are attached at load/instantiate time, thus the need for a name.
639		860
640	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
641		862
642	=over 4	863	=over 4
…		…
766		987
767	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		990
770	} elsif (ref $type) {	991	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
772		993
773	} else {	994	} else {
774	shift @arg;	995	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
776	}	997	}
777	}	998	}
778	}	999	}
779		1000
780	sub _object_attach {	1001	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
791	}	1012	}
792		1013
793	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
794	} else {	1015	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1017	}
797		1018
798	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
799	}	1020	}
800		1021
…		…
840	";	1061	";
841	die if $@;	1062	die if $@;
842	}	1063	}
843		1064
844	our $override;	1065	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1067
847	sub override {	1068	sub override {
848	$override = 1;	1069	$override = 1;
849	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
850	}	1071	}
851		1072
852	sub do_invoke {	1073	sub do_invoke {
853	my $event = shift;	1074	my $event = shift;
854	my $callbacks = shift;	1075	my $callbacks = shift;
855		1076
856	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
857		1078
858	local $override;	1079	local $override;
859		1080
860	for (@$callbacks) {	1081	for (@$callbacks) {
861	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
862		1083
863	if ($@) {	1084	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1086	override;
867	}	1087	}
868		1088
869	return 1 if $override;	1089	return 1 if $override;
870	}	1090	}
871		1091
872	0	1092	0
873	}	1093	}
874		1094
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1096
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1098
879	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
880		1100
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	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	1102	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1104
885	=back	1105	=back
886		1106
887	=cut	1107	=cut
888		1108
889	#############################################################################	1109	#############################################################################
890	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
891		1153
892	sub reattach {	1154	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1156	my ($obj) = @_;
895		1157
		1158	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1160
898	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
899		1162
900	@$registry = ();	1163	@$registry = ();
901		1164
…		…
906	for (@$attach) {	1169	for (@$attach) {
907	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
909	}	1172	}
910	} else {	1173	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1175	}
913	}	1176	}
914	}	1177	}
915		1178
916	cf::attachable->attach (	1179	cf::attachable->attach (
917	prio => -1000000,	1180	prio => -1000000,
918	on_instantiate => sub {	1181	on_instantiate => sub {
919	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
920		1183
921	$data = from_json $data;	1184	$data = decode_json $data;
922		1185
923	for (@$data) {	1186	for (@$data) {
924	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
925		1188
926	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1205	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
944		1207
945	sync_job {	1208	sync_job {
946	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
949		1214
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
954	close $fh;	1222	aio_close $fh;
955		1223
956	if (@$objs) {	1224	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
962	close $fh;	1233	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
964	}	1235	}
965	} else {	1236	} else {
966	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
967	}	1238	}
968		1239
969	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1244	} else {
971	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
972	}	1246	}
973	} else {	1247	} else {
974	aio_unlink $filename;	1248	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
976	}	1250	}
977	}	1251	};
978	}	1252	}
979		1253
980	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
982		1256
…		…
994	or return;	1268	or return;
995		1269
996	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
998	or return;	1272	or return;
		1273
999	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
1000	}	1276	}
1001		1277
		1278	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
1004	return ($data, $av);	1283	($data, $av)
1005	}	1284	}
1006		1285
1007	=head2 COMMAND CALLBACKS	1286	=head2 COMMAND CALLBACKS
1008		1287
1009	=over 4	1288	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1309	}
1031		1310
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1312
1034	Register a callback fro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
1035		1318
1036	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
1037	called.	1320	called.
1038		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
1039	=cut	1333	=cut
1040		1334
1041	sub register_extcmd {	1335	sub register_extcmd {
1042	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
1043		1337
1044	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
1045	}	1339	}
1046		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
1047	cf::player->attach (	1349	cf::player->attach (
1048	on_command => sub {	1350	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
1050		1352
1051	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
1052	or return;	1354	or return;
1053		1355
…		…
1058	cf::override;	1360	cf::override;
1059	},	1361	},
1060	on_extcmd => sub {	1362	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
1062		1364
1063	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1366
1065	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
1071	} else {	1382	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1384	}
1074		1385
1075	cf::override;	1386	cf::override;
1076	},	1387	},
1077	);	1388	);
1078		1389
		1390	# "readahead" all extensions
		1391	sub cache_extensions {
		1392	my $grp = IO::AIO::aio_group;
		1393
		1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1395	for (grep /\.ext$/, @{$_[0]}) {
		1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1397	}
		1398	};
		1399
		1400	$grp
		1401	}
		1402
1079	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
1080	cf::sync_job {	1406	cf::sync_job {
1081	my %todo;	1407	my %todo;
1082		1408
1083	for my $path (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1410	next unless -r $path;
…		…
1102		1428
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1431
1106	$ext{source} =	1432	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1433	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1434	. "#line 1 \"$path\"\n{\n"
1109	. $source	1435	. $source
1110	. "\n};\n1";	1436	. "\n};\n1";
1111		1437
1112	$todo{$base} = \%ext;	1438	$todo{$base} = \%ext;
1113	}	1439	}
1114		1440
		1441	my $pass = 0;
1115	my %done;	1442	my %done;
1116	while (%todo) {	1443	while (%todo) {
1117	my $progress;	1444	my $progress;
1118		1445
		1446	++$pass;
		1447
		1448	ext:
1119	while (my ($k, $v) = each %todo) {	1449	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1450	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1451	next ext
1122	unless exists $done{$_};	1452	unless exists $done{$_};
1123	}	1453	}
1124		1454
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1456
1127	unless (eval $v->{source}) {	1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1460	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1463	if exists $v->{meta}{mandatory};
1132	warn $msg;	1464
1133	warn "mandatory extension failed to load, exiting.\n";	1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1466	delete $todo{$k};
1135	}	1467	} else {
1136		1468	$done{$k} = delete $todo{$k};
1137	warn $msg;	1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
1138	}	1474	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1475	}
1144		1476
1145	skip:	1477	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
1148	}	1485	}
1149	};	1486	};
1150	}	1487	}
1151		1488
1152	#############################################################################	1489	#############################################################################
1153		1490
1154	=back	1491	=back
1155		1492
1156	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
1157		1494
1158	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
1159		1496
1160	=cut	1497	=cut
1161		1498
1162	package cf::player;	1499	package cf::player;
1163		1500
1164	use Coro::AIO;	1501	use Coro::AIO;
1165		1502
1166	=head3 cf::player	1503	=head3 cf::player
1167		1504
1168	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
1169		1520
1170	=item cf::player::find $login	1521	=item cf::player::find $login
1171		1522
1172	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1173		1524
…		…
1192		1543
1193	sub exists($) {	1544	sub exists($) {
1194	my ($login) = @_;	1545	my ($login) = @_;
1195		1546
1196	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1198	}	1549	}
1199		1550
1200	sub find($) {	1551	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1553	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1564
1214	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1217	}	1574	}
1218	}	1575	}
1219	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1220		1590
1221	sub save($) {	1591	sub save($) {
1222	my ($pl) = @_;	1592	my ($pl) = @_;
1223		1593
1224	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1230		1600
1231	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1233		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1234	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1235	Coro::cede;	1610	cf::cede_to_tick;
1236	}	1611	}
1237		1612
1238	sub new($) {	1613	sub new($) {
1239	my ($login) = @_;	1614	my ($login) = @_;
1240		1615
…		…
1246	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1247		1622
1248	$self	1623	$self
1249	}	1624	}
1250		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1251	=item $pl->quit_character	1636	=item $pl->quit_character
1252		1637
1253	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1255		1640
…		…
1259	my ($pl) = @_;	1644	my ($pl) = @_;
1260		1645
1261	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1262		1647
1263	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1650
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1270		1656
1271	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1694	or return [];
1309		1695
1310	my @logins;	1696	my @logins;
1311		1697
1312	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1316		1708
1317	utf8::decode $login;	1709	utf8::decode $login;
1318	push @logins, $login;	1710	push @logins, $login;
1319	}	1711	}
1320		1712
1321	\@logins	1713	\@logins
1322	}	1714	}
1323		1715
1324	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1325		1719
1326	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1327	player. May block.	1721	player. May block.
1328		1722
1329	=cut	1723	=cut
…		…
1347	}	1741	}
1348		1742
1349	\@paths	1743	\@paths
1350	}	1744	}
1351		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1352	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1353		1751
1354	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1355		1753
1356	=cut	1754	=cut
1357		1755
1358	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1360		1758
1361	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1760	}
1365		1761
1366	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1367		1763
1368	Sends an ext event to the client.	1764	Sends an ext event to the client.
1369		1765
1370	=cut	1766	=cut
1371		1767
1372	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1374		1770
1375	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1376	}	1772	}
1377		1773
1378	=head3 cf::region	1774	=head3 cf::region
1379		1775
1380	=over 4	1776	=over 4
…		…
1390	=cut	1786	=cut
1391		1787
1392	sub find_by_path($) {	1788	sub find_by_path($) {
1393	my ($path) = @_;	1789	my ($path) = @_;
1394		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1395	my ($match, $specificity);	1793	my ($match, $specificity);
1396		1794
1397	for my $region (list) {	1795	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1401	}	1799	}
1402	}	1800	}
1403		1801
…		…
1424	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1426		1824
1427	sub generate_random_map {	1825	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1429	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1831	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1853
1453	sub register {	1854	sub register {
1454	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1856	my $pkg = caller;
1456		1857
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1859
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1861	}
1462		1862
1463	# also paths starting with '/'	1863	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1865
1466	sub thawer_merge {	1866	sub thawer_merge {
1467	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1468		1868
1469	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
…		…
1474	}	1874	}
1475		1875
1476	sub normalise {	1876	sub normalise {
1477	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1478		1878
1479	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1480		1880
1481	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1482		1882
1483	# map plan:	1883	# map plan:
1484	#	1884	#
…		…
1523	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1524	return $self;	1924	return $self;
1525	}	1925	}
1526	}	1926	}
1527		1927
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1929	()
1530	}	1930	}
1531		1931
1532	sub init {	1932	sub init {
1533	my ($self) = @_;	1933	my ($self) = @_;
…		…
1555		1955
1556	# the temporary/swap location	1956	# the temporary/swap location
1557	sub save_path {	1957	sub save_path {
1558	my ($self) = @_;	1958	my ($self) = @_;
1559		1959
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1562	}	1962	}
1563		1963
1564	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1565	sub uniq_path {	1965	sub uniq_path {
1566	my ($self) = @_;	1966	my ($self) = @_;
1567		1967
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1970	}
1580		1971
1581	sub decay_objects {	1972	sub decay_objects {
1582	my ($self) = @_;	1973	my ($self) = @_;
1583		1974
…		…
1596		1987
1597	sub load_header_from($) {	1988	sub load_header_from($) {
1598	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1599		1990
1600	utf8::encode $path;	1991	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1606		2000
1607	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1608		2002
1609	1	2003	1
1610	}	2004	}
…		…
1662		2056
1663	sub find;	2057	sub find;
1664	sub find {	2058	sub find {
1665	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1666		2060
		2061	cf::cede_to_tick;
		2062
1667	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1668		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2067
1671	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1674	or return;	2070	or return;
1675		2071
1676	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1677		2073
…		…
1679	or return;	2075	or return;
1680		2076
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1684	$map->reset;	2082	$map->reset;
1685	undef $guard;
1686	return find $path;	2083	return find $path;
1687	}	2084	}
1688		2085
1689	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1690	}	2087	}
1691	}	2088	}
1692		2089
1693	sub pre_load { }	2090	sub pre_load { }
1694	sub post_load { }	2091	#sub post_load { } # XS
1695		2092
1696	sub load {	2093	sub load {
1697	my ($self) = @_;	2094	my ($self) = @_;
1698		2095
1699	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1700		2097
1701	my $path = $self->{path};	2098	my $path = $self->{path};
1702		2099
1703	{	2100	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1705		2102
		2103	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2105
1708	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1709		2107
1710	$self->alloc;	2108	$self->alloc;
1711		2109
1712	$self->pre_load;	2110	$self->pre_load;
1713	Coro::cede;	2111	cf::cede_to_tick;
1714		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1716	or return;	2116	or return;
1717		2117
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1719	if delete $self->{load_original};	2119	if delete $self->{load_original};
1720		2120
1721	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2122	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2125	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1726	}	2129	}
1727	}	2130	}
1728		2131
1729	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1730	# now do the right thing for maps	2135	# now do the right thing for maps
1731	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2138	unless $self->difficulty;
1734	Coro::cede;	2139	cf::cede_to_tick;
1735		2140
1736	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2142	$self->decay_objects;
1738	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1739	$self->update_buttons;	2144	$self->update_buttons;
1740	Coro::cede;	2145	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2146	$self->activate;
1744	}	2147	}
1745		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2153	}
1748		2154
1749	$self->post_load;	2155	$self->post_load;
1750	}	2156	}
1751		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2161	sub customise_for {
1753	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1754		2163
1755	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2165	if $self->per_player;
…		…
1760		2169
1761	$self	2170	$self
1762	}	2171	}
1763		2172
1764	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2174	sub load_neighbours {
1766	my ($map) = @_;	2175	my ($map) = @_;
1767		2176
1768	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1769		2178
1770	for (0 .. 3) {	2179	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1772	or next;	2181	or next;
1773	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1774	or next;	2183	or next;
1775	$neigh->load;	2184	$neigh->load;
1776		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2190	}
1780		2191
1781	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1783	or next;	2195	or next;
1784	$neigh->load;	2196	$neigh->load;
1785	}	2197	}
1786	}	2198	}
1787		2199
1788	sub find_sync {	2200	sub find_sync {
1789	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1790		2202
1791	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1792	}	2207	}
1793		2208
1794	sub do_load_sync {	2209	sub do_load_sync {
1795	my ($map) = @_;	2210	my ($map) = @_;
1796		2211
1797	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1798	}	2216	}
1799		2217
1800	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1802		2220
1803	sub find_async {	2221	sub find_async {
1804	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1805		2223
1806	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1807		2225
1808	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2228	}
1811		2229
1812	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1813	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1814	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2237	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2238	$map->load if $v;
		2239	}
1819		2240
1820	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1821	}	2242	}
1822	}	2243	}
1823	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1824	};	2245	};
1825	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1826		2247
1827	()	2248	()
1828	}	2249	}
1829		2250
		2251	# common code, used by both ->save and ->swapout
1830	sub save {	2252	sub _save {
1831	my ($self) = @_;	2253	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2254
1835	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1836		2256
1837	return unless $self->dirty;	2257	return unless $self->dirty;
1838		2258
…		…
1844	return if $self->{deny_save};	2264	return if $self->{deny_save};
1845		2265
1846	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1847		2267
1848	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1850	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1851		2274
1852	if ($uniq) {	2275	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2278	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2280	}
1858	}	2281	}
1859		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1860	sub swap_out {	2291	sub swap_out {
1861	my ($self) = @_;	2292	my ($self) = @_;
1862		2293
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1868	return if $self->players;	2298	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1872	$self->clear;	2309	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2310	}
1875		2311
1876	sub reset_at {	2312	sub reset_at {
1877	my ($self) = @_;	2313	my ($self) = @_;
1878		2314
…		…
1896		2332
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2334
1899	return if $self->players;	2335	return if $self->players;
1900		2336
1901	warn "resetting map ", $self->path;	2337	cf::trace "resetting map ", $self->path, "\n";
1902		2338
1903	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1904		2340
1905	# need to save uniques path	2341	# need to save uniques path
1906	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2346	if $uniq;
1911	}	2347	}
1912		2348
1913	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1914		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2353	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2354
1919	$self->unlink_save;	2355	$self->unlink_save;
1920	$self->destroy;	2356	$self->destroy;
1921	}	2357	}
1922		2358
1923	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1924		2360
1925	sub nuke {	2361	sub nuke {
1926	my ($self) = @_;	2362	my ($self) = @_;
1927		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1928	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1929		2368
1930	$self->unlink_save;	2369	$self->unlink_save;
1931		2370
1932	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2376
1938	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1939		2379
1940	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
1941	}	2381	}
1942		2382
1943	=item $maps = cf::map::tmp_maps	2383	=item $maps = cf::map::tmp_maps
…		…
1985		2425
1986	sub unique_maps() {	2426	sub unique_maps() {
1987	[	2427	[
1988	map {	2428	map {
1989	utf8::decode $_;	2429	utf8::decode $_;
1990	/\.map$/	2430	s/\.map$//; # TODO future compatibility hack
		2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2432	? ()
1991	? normalise $_	2433	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2434	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2435	]
1995	}	2436	}
1996		2437
1997	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1998		2469
1999	=back	2470	=back
2000		2471
2001	=head3 cf::object	2472	=head3 cf::object
2002		2473
…		…
2006		2477
2007	=over 4	2478	=over 4
2008		2479
2009	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
2010		2481
2011	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
2012		2484
2013	=cut	2485	=cut
2014		2486
2015	sub inv_recursive_;	2487	sub inv_recursive_;
2016	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
2019		2491
2020	sub inv_recursive {	2492	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
2022	}	2494	}
2023		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
2024	package cf;	2524	package cf;
2025		2525
2026	=back	2526	=back
2027		2527
2028	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
2037		2537
2038	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
2039		2553
2040	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2555	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
2050		2564
2051	} else {	2565	} else {
2052	my $pl = $self->contr;	2566	my $pl = $self->contr;
2053		2567
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2569	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2571
2060	} else {	2572	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2575	}
2064	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
2065	}	2587	}
2066		2588
2067	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
2068		2590
2069	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
2082		2604
2083	=item $player_object->enter_link	2605	=item $player_object->enter_link
2084		2606
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2608
2087	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
2089		2613
2090	Will never block.	2614	Will never block.
2091		2615
2092	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
2093		2617
…		…
2113	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2638	my ($self) = @_;
2115		2639
2116	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
2117		2641
		2642	++$self->{_link_recursion};
		2643
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2645
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
2122		2648
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2650	}
2125		2651
2126	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
2128		2654
…		…
2145	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
2147		2673
2148	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
2151		2677
2152	$map->load;	2678	$map->load;
2153	$map->load_diag;	2679	$map->load_neighbours;
2154		2680
2155	return unless $self->contr->active;	2681	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2682
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
2160	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
2161		2690
		2691	}
		2692
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2694
2164	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
2168		2703
2169	=cut	2704	=cut
2170		2705
2171	our $GOTOGEN;	2706	our $GOTOGEN;
2172		2707
2173	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
2175		2716
2176	# do generation counting so two concurrent goto's will be executed in-order	2717	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2719
2179	$self->enter_link;	2720	$self->enter_link;
2180		2721
2181	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
2182	my $map = eval {	2744	my $map = eval {
2183	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
2184		2746
2185	if ($map) {	2747	if ($map) {
2186	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2750	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2752	}
2191		2753
2192	$map	2754	$map
2193	};	2755	};
2194		2756
…		…
2199		2761
2200	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
2203	}	2765	}
		2766
		2767	$done->($self) if $done;
2204	})->prio (1);	2768	})->prio (1);
2205	}	2769	}
2206		2770
2207	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
2208		2772
…		…
2228	}	2792	}
2229		2793
2230	sub prepare_random_map {	2794	sub prepare_random_map {
2231	my ($exit) = @_;	2795	my ($exit) = @_;
2232		2796
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2799	# that depends on the exit object
2238		2800
2239	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2803	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2246	}	2810	}
2247		2811
2248	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2249		2813
2250	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2253		2817
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2820	undef $fh;
2257	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2258		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2261	}	2829	}
2262	}	2830	}
2263		2831
2264	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2266		2834
2267	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2268		2836
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2837	$self->enter_link;
2281		2838
2282	(async {	2839	(async {
2283	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2284	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2285	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2286		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2287	1;	2863	1
2288	}) {	2864	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2869
2294	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2871	$self->leave_link;
2296	}	2872	}
2297	})->prio (1);	2873	})->prio (1);
2298	}	2874	}
2299		2875
…		…
2313		2889
2314	utf8::encode $text;	2890	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2892	}
2317		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
2318	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2319		3082
2320	Sends an exti event to the client.	3083	Sends an ext event to the client.
2321		3084
2322	=cut	3085	=cut
2323		3086
2324	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2326		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
2329	}	3114	}
2330		3115
2331	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2332		3117
2333	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3121
2337	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3123	become reliable at some point in the future.
2339		3124
2340	=cut	3125	=cut
2341		3126
2342	sub cf::client::query {	3127	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3136	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3138
2354	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2356	}	3143	}
2357		3144
2358	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2359	on_reply => sub {	3151	on_reply => sub {
2360	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2361		3153
2362	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2363	# get handled first	3155	# get handled first
…		…
2375	} else {	3167	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3169	}
2378	}	3170	}
2379	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2380	);	3198	);
2381		3199
2382	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2383		3201
2384	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3218
2401	$coro	3219	$coro
2402	}	3220	}
2403		3221
2404	cf::client->attach (	3222	cf::client->attach (
2405	on_destroy => sub {	3223	on_client_destroy => sub {
2406	my ($ns) = @_;	3224	my ($ns) = @_;
2407		3225
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3227	},
2410	);	3228	);
…		…
2425	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2427		3245
2428	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2429		3247
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2431		3253
2432	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2433		3255
2434	=pod	3256	=pod
2435		3257
2436	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2437		3259
2438	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2439	cf::object::player player	3265	cf::object::player
2440	cf::player peaceful	3266	player
2441	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2442		3273
2443	=cut	3274	=cut
2444		3275
2445	for (	3276	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2450	) {	3283	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3286	for @funs;
2455	}	3287	}
2456		3288
…		…
2471		3303
2472	my $qcode = $code;	3304	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2475		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2476	local $_;	3311	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3312
2479	my $eval =	3313	my $eval =
2480	"do {\n"	3314	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3317	. $code
2484	. "\n}"	3318	. "\n}"
2485	;	3319	;
2486		3320
		3321	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2490		3330
2491	if ($@) {	3331	if ($@) {
2492	warn "$@";	3332	warn "$@",
2493	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2495	}	3335	}
2496		3336
2497	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2498	}	3338	}
2499		3339
…		…
2513	=cut	3353	=cut
2514		3354
2515	sub register_script_function {	3355	sub register_script_function {
2516	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2517		3357
2518	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2520	}	3360	}
2521		3361
2522	=back	3362	=back
2523		3363
2524	=cut	3364	=cut
…		…
2527	# the server's init and main functions	3367	# the server's init and main functions
2528		3368
2529	sub load_facedata($) {	3369	sub load_facedata($) {
2530	my ($path) = @_;	3370	my ($path) = @_;
2531		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2532	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2533		3379
2534	my $facedata;
2535	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2536	or die "$path: $!";	3381	or die "$path: $!";
2537		3382
2538	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2539		3384
2540	$facedata->{version} == 2	3385	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
2543	{	3397	{
2544	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2545		3399
2546	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3407
		3408	cf::cede_to_tick;
2552	}	3409	}
2553		3410
2554	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2556	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2557	or next;	3415	or next;
		3416
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3420	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3422	}
2563	Coro::cede;	3423
		3424	cf::cede_to_tick;
2564	}	3425	}
2565	}	3426	}
2566		3427
2567	{	3428	{
2568	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2569		3430
2570	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3433	cf::cede_to_tick;
2573	}	3434	}
2574		3435
2575	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2576	}	3437	}
2577		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2578	1	3458	1
2579	}	3459	}
2580		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2581	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2582	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
2584	}	3491	}
2585		3492
2586	sub reload_facedata {	3493	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3503	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2599	}	3506	}
2600		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2601	sub reload_resources {	3531	sub reload_resources {
2602	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2603		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2604	reload_regions;	3539	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3540	reload_treasures;
2609		3541
2610	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2611	}	3543	}
2612		3544
2613	sub init {	3545	sub reload_config {
2614	reload_resources;	3546	trace "reloading config file...\n";
2615	}
2616		3547
2617	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2619	or return;
2620		3550
2621	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2622	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2623		3555
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3557
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3560
2629	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2633	};	3565	};
2634	warn $@ if $@;	3566	warn $@ if $@;
2635	}	3567	}
2636	}	3568	}
2637		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2638	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2639	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3611	(async {
2643	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2645	};	3615	};
2646		3616
2647	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2648	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2649	load_extensions;	3640	load_extensions;
2650		3641
2651	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2653	}	3660	}
2654		3661
2655	#############################################################################	3662	#############################################################################
2656	# initialisation and cleanup	3663	# initialisation and cleanup
2657		3664
2658	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2659	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2668	},
2669	);	3671	};
2670	}	3672	}
2671	}	3673	}
2672		3674
2673	sub write_runtime {	3675	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3676	my $t0 = AE::time;
2675		3677
2676	# first touch the runtime file to show we are still running:	3678	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3679	# the fsync below can take a very very long time.
2678		3680
2679	IO::AIO::aio_utime $runtime, undef, undef;	3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3682
2681	my $guard = cf::lock_acquire "write_runtime";	3683	my $guard = cf::lock_acquire "write_runtime";
2682		3684
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3686	or return;
2685		3687
2686	my $value = $cf::RUNTIME + 90 + 10;	3688	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3689	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3690	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3700	aio_utime $fh, undef, undef;
2699		3701
2700	close $fh	3702	close $fh
2701	or return;	3703	or return;
2702		3704
2703	aio_rename "$runtime~", $runtime	3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3706	and return;
2705		3707
2706	warn "runtime file written.\n";	3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3709
2708	1	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2709	}	3761	}
2710		3762
2711	sub emergency_save() {	3763	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2713		3765
2714	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2715		3772
2716	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2717	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3784	$pl->save;
2725	}	3785	}
2726	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2727		3787
2728	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3793	$map->valid or next;
2732	$map->save;	3794	$map->save;
2733	}	3795	}
2734	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2735		3797
2736	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3826	};
2740		3827
2741	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2742	}	3829	}
2743		3830
2744	sub post_cleanup {	3831	sub post_cleanup {
2745	my ($make_core) = @_;	3832	my ($make_core) = @_;
2746		3833
		3834	IO::AIO::flush;
		3835
2747	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2749	}	3866	}
2750		3867
2751	sub do_reload_perl() {	3868	sub do_reload_perl() {
2752	# can/must only be called in main	3869	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2754	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2755	return;	3872	return;
2756	}	3873	}
2757		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2758	warn "reloading...";	3881	info "reloading...";
2759		3882
2760	warn "entering sync_job";	3883	trace "entering sync_job";
2761		3884
2762	cf::sync_job {	3885	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3886	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3887
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3890	%EXT_CORO = ();
2791		3891
2792	warn "removing commands";	3892	trace "removing commands";
2793	%COMMAND = ();	3893	%COMMAND = ();
2794		3894
2795	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2796	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2797		3898
2798	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2801		3902
2802	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3904	eval {
2804	$cb->($pkg);	3905	$cb->($pkg);
2805	1	3906	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2807	}	3912	}
2808		3913
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3917
2817	warn "... unloading $k";	3918	trace "... unloading $k";
2818	delete $INC{$k};	3919	delete $INC{$k};
2819		3920
2820	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2822		3923
2823	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2825	}	3929	}
2826		3930
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3934
2834	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3938
2838	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3940	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2841		3942
2842	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2843		3944
2844	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2845	require cf;	3946	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2847		3948
2848	warn "loading config and database again";	3949	trace "loading config and database again";
2849	cf::cfg_load;	3950	cf::reload_config;
2850		3951
2851	warn "loading extensions";	3952	trace "loading extensions";
2852	cf::load_extensions;	3953	cf::load_extensions;
2853		3954
		3955	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2860		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2861	warn "leaving sync_job";	3967	trace "leaving sync_job";
2862		3968
2863	1	3969	1
2864	} or do {	3970	} or do {
2865	warn $@;	3971	error $@;
2866	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2867	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2868	};	3977	}
2869		3978
2870	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2871	};	3981	};
2872		3982
2873	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2874		3984
2875	sub reload_perl() {	3985	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2878		3988
2879	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3991
2882	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3993	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2886	},	3995	};
2887	);	3996	};
2888	}	3997	}
2889		3998
2890	register_command "reload" => sub {	3999	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2892		4001
2893	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4006	reload_perl;
		4007	};
2896	}	4008	}
2897	};	4009	};
2898		4010
2899	unshift @INC, $LIBDIR;	4011	#############################################################################
2900		4012
2901	my $bug_warning = 0;	4013	my $bug_warning = 0;
2902		4014
2903	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2905		4017
2906	sub wait_for_tick {	4018	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4020
2910	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4023	$signal->wait;
2913	}	4024	}
2914		4025
2915	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4028
2919	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4031	$signal->wait;
2922	}	4032	}
2923		4033
2924	my $min = 1e6;#d#	4034	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2936	return;	4038	return;
2937	}	4039	}
2938		4040
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2942		4042
2943	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4044
2949	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4047	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4049	write_runtime_sync
2954		4050	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4051	};
		4052	}
2965		4053
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4055	$sig->send;
2982	}	4056	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4058	$sig->send;
2985	}	4059	}
2986		4060
2987	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4063
2998	_post_tick;	4064	if (0) {
2999		4065	if ($NEXT_TICK) {
3000		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
3001	},	4070	}
3002	);	4071	}
3003		4072
3004	{	4073	{
3005	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4075
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
3015		4077	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4079
3031	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4087
3034	cf::sync_job {	4088	cf::sync_job {
3035	eval {	4089	eval {
3036	BDB::db_env_open	4090	BDB::db_env_open
3037	$DB_ENV,	4091	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4095	0666;
3042		4096
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4098	};
3048		4099
3049	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4101	};
3051	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
3052	}	4113	}
3053		4114
3054	{	4115	{
		4116	# configure IO::AIO
		4117
3055	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4121	}
3068		4122
3069	my $_log_backtrace;	4123	my $_log_backtrace;
3070		4124
3071	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3075		4129
3076	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3079	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3080	my @bt = fork_call {	4137	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3092	}	4149	}
3093		4150
3094	@funcs	4151	@funcs
3095	};	4152	};
3096		4153
3097	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4157	--$_log_backtrace;
3100	};	4158	};
3101	} else {	4159	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4162	}
3105	}	4163	}
3106		4164
3107	# load additional modules	4165	# load additional modules
3108	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3109		4168
3110	END { cf::emergency_save }	4169	END { cf::emergency_save }
3111		4170
3112	1	4171	1
3113		4172

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