ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 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	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$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;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	376	=item cf::lock_wait $string
250		377
251	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
252		379
253	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
254		381
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
258	returned.	385	returned.
259		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
260	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
261	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
262		392
263	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
264		394
265	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.
266		396
267	=cut	397	=cut
268		398
269	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
270		400
271	sub lock_wait($) {	401	sub lock_wait($) {
272	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	403	}
280		404
281	sub lock_acquire($) {	405	sub lock_acquire($) {
282	my ($key) = @_;	406	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	407	}
294		408
295	sub lock_active($) {	409	sub lock_active($) {
296	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	411	}
300		412
301	sub freeze_mainloop {	413	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
303		415
304	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
305	$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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
306	};	483	}
307	$TICK_WATCHER->stop;	484	};
308	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
309	}	499	}
310		500
311	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
312		502
313	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		508
319	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
320		510
321	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
322		512
323	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
326		517
327	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
330	fast or be very important.	521	fast or be very important.
…		…
332	=cut	523	=cut
333		524
334	sub sync_job(&) {	525	sub sync_job(&) {
335	my ($job) = @_;	526	my ($job) = @_;
336		527
337	if ($Coro::current == $Coro::main) {	528	if (in_main) {
338	my $time = Event::time;	529	my $time = AE::time;
339		530
340	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
342		533
343	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	535
345	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
346		537
347	my $busy = 1;	538	my $busy = 1;
348	my @res;	539	my @res;
349		540
350	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	543	@res = eval { $job->() };
352	warn $@ if $@;	544	error $@ if $@;
353	undef $busy;	545	undef $busy;
354	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
355		547
356	while ($busy) {	548	while ($busy) {
357	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
358	}	553	}
		554	}
359		555
360	$time = Event::time - $time;	556	my $time = AE::time - $time;
361		557
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
366		559
367	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
368	} else {	561	} else {
369	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
370		563
…		…
390	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
391		584
392	$coro	585	$coro
393	}	586	}
394		587
395	sub write_runtime {	588	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		589
398	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
400		594
401	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
402		596
403	my $guard = cf::lock_acquire "write_runtime";	597	sub fork_call(&@) {
		598	my ($cb, @args) = @_;
404		599
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	600	# we seemingly have to make a local copy of the whole thing,
406	or return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
407		603
408	my $value = $cf::RUNTIME + 90 + 10;	604	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	605	reset_signals;
410	# 60 allows for the watchdog to kill the server.	606	&$cb
		607	}, @args;
411		608
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	wantarray ? @res : $res[-1]
413	and return;	610	}
414		611
415	# always fsync - this file is important	612	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	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
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		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	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
431	}	777	}
432		778
433	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
434		780
435	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
436		782
437	=cut	783	=cut
438		784
439	sub datalog($@) {	785	sub datalog($@) {
440	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	788	}
443		789
444	=back	790	=back
445		791
446	=cut	792	=cut
447		793
448	#############################################################################	794	#############################################################################
449		795
450	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
451		797
452	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
453	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")
454	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
455		801
456	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>
457	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
458	crossfire+).	804	Deliantra).
459		805
460	=over 4	806	=over 4
461		807
462	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
463		809
…		…
507	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
508		854
509	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
511		857
512	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		860
515	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
516		862
517	=over 4	863	=over 4
…		…
641		987
642	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		990
645	} elsif (ref $type) {	991	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
647		993
648	} else {	994	} else {
649	shift @arg;	995	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
651	}	997	}
652	}	998	}
653	}	999	}
654		1000
655	sub _object_attach {	1001	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
666	}	1012	}
667		1013
668	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
669	} else {	1015	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1017	}
672		1018
673	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
674	}	1020	}
675		1021
…		…
715	";	1061	";
716	die if $@;	1062	die if $@;
717	}	1063	}
718		1064
719	our $override;	1065	our $override;
720	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?
721		1067
722	sub override {	1068	sub override {
723	$override = 1;	1069	$override = 1;
724	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
725	}	1071	}
726		1072
727	sub do_invoke {	1073	sub do_invoke {
728	my $event = shift;	1074	my $event = shift;
729	my $callbacks = shift;	1075	my $callbacks = shift;
730		1076
731	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
732		1078
733	local $override;	1079	local $override;
734		1080
735	for (@$callbacks) {	1081	for (@$callbacks) {
736	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
737		1083
738	if ($@) {	1084	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1086	override;
742	}	1087	}
743		1088
744	return 1 if $override;	1089	return 1 if $override;
745	}	1090	}
746		1091
747	0	1092	0
748	}	1093	}
749		1094
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1096
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1098
754	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
755		1100
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1104
760	=back	1105	=back
761		1106
762	=cut	1107	=cut
763		1108
764	#############################################################################	1109	#############################################################################
765	# 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, $ob2
		1152	}
766		1153
767	sub reattach {	1154	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1156	my ($obj) = @_;
770		1157
		1158	# no longer needed after getting rid of delete_package?
771	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
772		1160
773	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
774		1162
775	@$registry = ();	1163	@$registry = ();
776		1164
…		…
781	for (@$attach) {	1169	for (@$attach) {
782	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
784	}	1172	}
785	} else {	1173	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1175	}
788	}	1176	}
789	}	1177	}
790		1178
791	cf::attachable->attach (	1179	cf::attachable->attach (
792	prio => -1000000,	1180	prio => -1000000,
793	on_instantiate => sub {	1181	on_instantiate => sub {
794	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
795		1183
796	$data = from_json $data;	1184	$data = decode_json $data;
797		1185
798	for (@$data) {	1186	for (@$data) {
799	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
800		1188
801	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1205	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
819		1207
820	sync_job {	1208	sync_job {
821	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
824		1214
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1222	aio_close $fh;
830		1223
831	if (@$objs) {	1224	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1233	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
839	}	1235	}
840	} else {	1236	} else {
841	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
842	}	1238	}
843		1239
844	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1244	} else {
846	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
847	}	1246	}
848	} else {	1247	} else {
849	aio_unlink $filename;	1248	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
851	}	1250	}
852	}	1251	};
853	}	1252	}
854		1253
855	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
857		1256
…		…
869	or return;	1268	or return;
870		1269
871	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
873	or return;	1272	or return;
		1273
874	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
875	}	1276	}
876		1277
		1278	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
879	return ($data, $av);	1283	($data, $av)
880	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
881		1291
882	#############################################################################	1292	#############################################################################
883	# command handling &c	1293	# command handling &c
884		1294
885	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1309	}
900		1310
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1312
903	Register a callbackf ro 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.
904		1318
905	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
906	called.	1320	called.
907		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
908	=cut	1333	=cut
909		1334
910	sub register_extcmd {	1335	sub register_extcmd {
911	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
912		1337
913	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
914	}	1339	}
915		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
916	cf::player->attach (	1349	cf::player->attach (
917	on_command => sub {	1350	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
919		1352
920	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
921	or return;	1354	or return;
922		1355
…		…
927	cf::override;	1360	cf::override;
928	},	1361	},
929	on_extcmd => sub {	1362	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
931		1364
932	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1366
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
940	} else {	1382	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1384	}
943		1385
944	cf::override;	1386	cf::override;
945	},	1387	},
946	);	1388	);
947		1389
		1390	# "readahead" all extensions
948	sub load_extension {	1391	sub cache_extensions {
949	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
950		1393
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1397	}
976	die $@;
977	}	1398	};
978		1399
979	push @EXTS, $pkg;	1400	$grp
980	}	1401	}
981		1402
982	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
983	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1410	next unless -r $path;
985	eval {	1411
986	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
987	1	1475	}
988	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1485	}
989	}	1486	};
990	}	1487	}
991		1488
992	#############################################################################	1489	#############################################################################
993		1490
		1491	=back
		1492
994	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
995		1494
996	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
997		1496
998	=cut	1497	=cut
999		1498
1000	package cf::player;	1499	package cf::player;
1001		1500
1002	use Coro::AIO;	1501	use Coro::AIO;
1003		1502
1004	=head3 cf::player	1503	=head3 cf::player
1005		1504
1006	=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	}
1007		1520
1008	=item cf::player::find $login	1521	=item cf::player::find $login
1009		1522
1010	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1011		1524
…		…
1030		1543
1031	sub exists($) {	1544	sub exists($) {
1032	my ($login) = @_;	1545	my ($login) = @_;
1033		1546
1034	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1036	}	1549	}
1037		1550
1038	sub find($) {	1551	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1553	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1564
1052	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1055	}	1574	}
1056	}	1575	}
1057	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($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	);
1058		1590
1059	sub save($) {	1591	sub save($) {
1060	my ($pl) = @_;	1592	my ($pl) = @_;
1061		1593
1062	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1068		1600
1069	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1073	Coro::cede;	1610	cf::cede_to_tick;
1074	}	1611	}
1075		1612
1076	sub new($) {	1613	sub new($) {
1077	my ($login) = @_;	1614	my ($login) = @_;
1078		1615
…		…
1084	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1085		1622
1086	$self	1623	$self
1087	}	1624	}
1088		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
1089	=item $pl->quit_character	1636	=item $pl->quit_character
1090		1637
1091	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1093		1640
…		…
1097	my ($pl) = @_;	1644	my ($pl) = @_;
1098		1645
1099	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1100		1647
1101	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1102	$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
1103		1650
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1108		1656
1109	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1694	or return [];
1147		1695
1148	my @logins;	1696	my @logins;
1149		1697
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1154		1708
1155	utf8::decode $login;	1709	utf8::decode $login;
1156	push @logins, $login;	1710	push @logins, $login;
1157	}	1711	}
1158		1712
1159	\@logins	1713	\@logins
1160	}	1714	}
1161		1715
1162	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1163		1719
1164	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1165	player. May block.	1721	player. May block.
1166		1722
1167	=cut	1723	=cut
…		…
1185	}	1741	}
1186		1742
1187	\@paths	1743	\@paths
1188	}	1744	}
1189		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1190	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1191		1751
1192	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1193		1753
1194	=cut	1754	=cut
1195		1755
1196	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1198		1758
1199	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1760	}
1203		1761
1204	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1205		1763
1206	Sends an ext event to the client.	1764	Sends an ext event to the client.
1207		1765
1208	=cut	1766	=cut
1209		1767
1210	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1212		1770
1213	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1214	}	1772	}
1215		1773
1216	=head3 cf::region	1774	=head3 cf::region
1217		1775
1218	=over 4	1776	=over 4
…		…
1221		1779
1222	package cf::region;	1780	package cf::region;
1223		1781
1224	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1225		1783
1226	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1227		1785
1228	=cut	1786	=cut
1229		1787
1230	sub find_by_path($) {	1788	sub find_by_path($) {
1231	my ($path) = @_;	1789	my ($path) = @_;
1232		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1233	my ($match, $specificity);	1793	my ($match, $specificity);
1234		1794
1235	for my $region (list) {	1795	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1239	}	1799	}
1240	}	1800	}
1241		1801
…		…
1262	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1264		1824
1265	sub generate_random_map {	1825	sub generate_random_map {
1266	my ($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
1267	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1831	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1853
1291	sub register {	1854	sub register {
1292	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1856	my $pkg = caller;
1294		1857
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1859
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1861	}
1300		1862
1301	# also paths starting with '/'	1863	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1865
1304	sub thawer_merge {	1866	sub thawer_merge {
1305	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1306		1868
1307	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1308	local $self->{path};	1870	local $self->{path};
1309	local $self->{load_path};	1871	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1872
1313	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1314	}	1874	}
1315		1875
1316	sub normalise {	1876	sub normalise {
1317	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1318		1878
1319	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1320		1880
1321	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1322		1882
1323	# map plan:	1883	# map plan:
1324	#	1884	#
…		…
1363	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1364	return $self;	1924	return $self;
1365	}	1925	}
1366	}	1926	}
1367		1927
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	1929	()
1370	}	1930	}
1371		1931
1372	sub init {	1932	sub init {
1373	my ($self) = @_;	1933	my ($self) = @_;
…		…
1395		1955
1396	# the temporary/swap location	1956	# the temporary/swap location
1397	sub save_path {	1957	sub save_path {
1398	my ($self) = @_;	1958	my ($self) = @_;
1399		1959
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1402	}	1962	}
1403		1963
1404	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1405	sub uniq_path {	1965	sub uniq_path {
1406	my ($self) = @_;	1966	my ($self) = @_;
1407		1967
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1410	}	1970	}
1411		1971
1412	# and all this just because we cannot iterate over	1972	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1973	my ($self) = @_;
1416		1974
1417	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1419	}	1978	}
1420		1979
1421	sub unlink_save {	1980	sub unlink_save {
1422	my ($self) = @_;	1981	my ($self) = @_;
1423		1982
…		…
1428		1987
1429	sub load_header_from($) {	1988	sub load_header_from($) {
1430	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1431		1990
1432	utf8::encode $path;	1991	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	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;
1438		2000
1439	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1440		2002
1441	1	2003	1
1442	}	2004	}
…		…
1481	$self->load_header_orig	2043	$self->load_header_orig
1482	or return;	2044	or return;
1483	$self->prepare_orig;	2045	$self->prepare_orig;
1484	}	2046	}
1485		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
1486	$self->default_region (cf::region::find_by_path $self->{path})	2051	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2052	unless $self->default_region;
1488		2053
1489	1	2054	1
1490	}	2055	}
1491		2056
1492	sub find;	2057	sub find;
1493	sub find {	2058	sub find {
1494	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1495		2060
		2061	cf::cede_to_tick;
		2062
1496	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1497		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2067
1500	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1503	or return;	2070	or return;
1504		2071
1505	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1506		2073
1507	$map->load_header	2074	$map->load_header
1508	or return;	2075	or return;
1509		2076
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1513	$map->reset;	2082	$map->reset;
1514	undef $guard;
1515	return find $path;	2083	return find $path;
1516	}	2084	}
1517		2085
1518	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1519	}	2087	}
1520	}	2088	}
1521		2089
1522	sub pre_load { }	2090	sub pre_load { }
1523	sub post_load { }	2091	#sub post_load { } # XS
1524		2092
1525	sub load {	2093	sub load {
1526	my ($self) = @_;	2094	my ($self) = @_;
1527		2095
1528	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1529		2097
1530	my $path = $self->{path};	2098	my $path = $self->{path};
1531		2099
1532	{	2100	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1534		2102
		2103	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2105
1537	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1538		2107
1539	$self->alloc;	2108	$self->alloc;
1540		2109
1541	$self->pre_load;	2110	$self->pre_load;
1542	Coro::cede;	2111	cf::cede_to_tick;
1543		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1545	or return;	2116	or return;
1546		2117
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1548	if delete $self->{load_original};	2119	if delete $self->{load_original};
1549		2120
1550	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2122	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2125	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1555	}	2129	}
1556	}	2130	}
1557		2131
1558	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1559	# now do the right thing for maps	2135	# now do the right thing for maps
1560	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2138	unless $self->difficulty;
1563	Coro::cede;	2139	cf::cede_to_tick;
1564		2140
1565	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2142	$self->decay_objects;
1567	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1568	$self->update_buttons;	2144	$self->update_buttons;
1569	Coro::cede;	2145	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2146	$self->activate;
1573	}	2147	}
1574		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2153	}
1577		2154
1578	$self->post_load;	2155	$self->post_load;
1579	}	2156	}
1580		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2161	sub customise_for {
1582	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1583		2163
1584	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2165	if $self->per_player;
1586		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1587	$self	2170	$self
1588	}	2171	}
1589		2172
1590	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2174	sub load_neighbours {
1592	my ($map) = @_;	2175	my ($map) = @_;
1593		2176
1594	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1595		2178
1596	for (0 .. 3) {	2179	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1598	or next;	2181	or next;
1599	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1600	or next;	2183	or next;
1601	$neigh->load;	2184	$neigh->load;
1602		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2190	}
1606		2191
1607	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1609	or next;	2195	or next;
1610	$neigh->load;	2196	$neigh->load;
1611	}	2197	}
1612	}	2198	}
1613		2199
1614	sub find_sync {	2200	sub find_sync {
1615	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1616		2202
1617	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, $origin
1618	}	2207	}
1619		2208
1620	sub do_load_sync {	2209	sub do_load_sync {
1621	my ($map) = @_;	2210	my ($map) = @_;
1622		2211
1623	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;
1624	}	2216	}
1625		2217
1626	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1628		2220
1629	sub find_async {	2221	sub find_async {
1630	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1631		2223
1632	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1633		2225
1634	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2228	}
1637		2229
1638	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1639	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1640	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2237	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2238	$map->load if $v;
		2239	}
1645		2240
1646	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1647	}	2242	}
1648	}	2243	}
1649	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1650	};	2245	};
1651	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1652		2247
1653	()	2248	()
1654	}	2249	}
1655		2250
		2251	# common code, used by both ->save and ->swapout
1656	sub save {	2252	sub _save {
1657	my ($self) = @_;	2253	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2254
1661	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1662		2256
1663	return unless $self->dirty;	2257	return unless $self->dirty;
1664		2258
…		…
1670	return if $self->{deny_save};	2264	return if $self->{deny_save};
1671		2265
1672	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1673		2267
1674	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1676	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1677		2274
1678	if ($uniq) {	2275	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2278	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2280	}
1684	}	2281	}
1685		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1686	sub swap_out {	2291	sub swap_out {
1687	my ($self) = @_;	2292	my ($self) = @_;
1688		2293
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1694	return if $self->players;	2298	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		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
1698	$self->clear;	2309	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2310	}
1701		2311
1702	sub reset_at {	2312	sub reset_at {
1703	my ($self) = @_;	2313	my ($self) = @_;
1704		2314
1705	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1708		2317
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2320
…		…
1722	my ($self) = @_;	2331	my ($self) = @_;
1723		2332
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2334
1726	return if $self->players;	2335	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2336
1729	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1730		2338
1731	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1732		2340
1733	# need to save uniques path	2341	# need to save uniques path
1734	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2346	if $uniq;
1739	}	2347	}
1740		2348
1741	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1742		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2353	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2354
1747	$self->unlink_save;	2355	$self->unlink_save;
1748	$self->destroy;	2356	$self->destroy;
1749	}	2357	}
1750		2358
1751	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1752		2360
1753	sub nuke {	2361	sub nuke {
1754	my ($self) = @_;	2362	my ($self) = @_;
1755		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1756	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1757		2368
1758	$self->unlink_save;	2369	$self->unlink_save;
1759		2370
1760	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2376
1766	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1767		2379
1768	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1769	}	2417	}
1770		2418
1771	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1772		2420
1773	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2422	instantiated unique items. May block.
1775		2423
1776	=cut	2424	=cut
1777		2425
1778	sub unique_maps() {	2426	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2427	[
1780	or return;	2428	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2429	utf8::decode $_;
1786	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2432	? ()
1789	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2435	]
1791
1792	\@paths
1793	}	2436	}
1794		2437
1795	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	}
1796		2469
1797	=back	2470	=back
1798		2471
1799	=head3 cf::object	2472	=head3 cf::object
1800		2473
…		…
1804		2477
1805	=over 4	2478	=over 4
1806		2479
1807	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1808		2481
1809	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.
1810		2484
1811	=cut	2485	=cut
1812		2486
1813	sub inv_recursive_;	2487	sub inv_recursive_;
1814	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1817		2491
1818	sub inv_recursive {	2492	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1820	}	2494	}
1821		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
1822	package cf;	2524	package cf;
1823		2525
1824	=back	2526	=back
1825		2527
1826	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1832	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>
1833	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
1834	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1835		2537
1836	=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	};
1837		2553
1838	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2555	# with dialog boxes.
1840	#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
1841	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1843		2559
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2561
1846	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1848	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1851	}	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 (@_);
1852	}	2587	}
1853		2588
1854	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1855		2590
1856	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1869		2604
1870	=item $player_object->enter_link	2605	=item $player_object->enter_link
1871		2606
1872	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}>).
1873		2608
1874	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.
1875	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.
1876		2613
1877	Will never block.	2614	Will never block.
1878		2615
1879	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1880		2617
…		…
1900	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2638	my ($self) = @_;
1902		2639
1903	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1904		2641
		2642	++$self->{_link_recursion};
		2643
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2645
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
1909		2648
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2650	}
1912		2651
1913	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
1915		2654
…		…
1932	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1934		2673
1935	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1938		2677
1939	$map->load;	2678	$map->load;
1940	$map->load_diag;	2679	$map->load_neighbours;
1941		2680
1942	return unless $self->contr->active;	2681	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2682
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1947	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
1948		2690
		2691	}
		2692
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2694
1951	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
1952	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
1953	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
1954	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 >>.
1955		2703
1956	=cut	2704	=cut
1957		2705
1958	our $GOTOGEN;	2706	our $GOTOGEN;
1959		2707
1960	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1961	my ($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	}
1962		2716
1963	# 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
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2719
1966	$self->enter_link;	2720	$self->enter_link;
1967		2721
1968	(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
1969	my $map = eval {	2744	my $map = eval {
1970	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
1971		2746
1972	if ($map) {	2747	if ($map) {
1973	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2750	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2752	}
1978		2753
1979	$map	2754	$map
1980	};	2755	};
1981		2756
…		…
1986		2761
1987	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
1990	}	2765	}
		2766
		2767	$done->($self) if $done;
1991	})->prio (1);	2768	})->prio (1);
1992	}	2769	}
1993		2770
1994	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1995		2772
…		…
2015	}	2792	}
2016		2793
2017	sub prepare_random_map {	2794	sub prepare_random_map {
2018	my ($exit) = @_;	2795	my ($exit) = @_;
2019		2796
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2799	# that depends on the exit object
2025		2800
2026	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2803	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2033	}	2810	}
2034		2811
2035	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2036		2813
2037	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2040		2817
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2820	undef $fh;
2044	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2045		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2048	}	2829	}
2049	}	2830	}
2050		2831
2051	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2053		2834
2054	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2055		2836
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2837	$self->enter_link;
2068		2838
2069	(async {	2839	(async {
2070	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2071	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
2072	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2073		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
2074	1;	2863	1
2075	}) {	2864	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "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. "
2078	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2869
2081	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2871	$self->leave_link;
2083	}	2872	}
2084	})->prio (1);	2873	})->prio (1);
2085	}	2874	}
2086		2875
…		…
2100		2889
2101	utf8::encode $text;	2890	utf8::encode $text;
2102	$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);
2103	}	2892	}
2104		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
2105	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2106		3082
2107	Sends an exti event to the client.	3083	Sends an ext event to the client.
2108		3084
2109	=cut	3085	=cut
2110		3086
2111	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2113		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2115	$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	}
2116	}	3114	}
2117		3115
2118	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2119		3117
2120	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2121	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>,
2122	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>.
2123		3121
2124	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
2125	reliable at some point in the future.	3123	become reliable at some point in the future.
2126		3124
2127	=cut	3125	=cut
2128		3126
2129	sub cf::client::query {	3127	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3136	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3138
2141	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2143	}	3143	}
2144		3144
2145	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	},
2146	on_reply => sub {	3151	on_reply => sub {
2147	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2148		3153
2149	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2150	# get handled first	3155	# get handled first
…		…
2162	} else {	3167	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3169	}
2165	}	3170	}
2166	},	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	},
2167	);	3198	);
2168		3199
2169	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2170		3201
2171	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3218
2188	$coro	3219	$coro
2189	}	3220	}
2190		3221
2191	cf::client->attach (	3222	cf::client->attach (
2192	on_destroy => sub {	3223	on_client_destroy => sub {
2193	my ($ns) = @_;	3224	my ($ns) = @_;
2194		3225
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3227	},
2197	);	3228	);
…		…
2212	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2214		3245
2215	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2216		3247
2217	$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	));
2218		3253
2219	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2220		3255
2221	=pod	3256	=pod
2222		3257
2223	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2224		3259
2225	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
2226	cf::object::player player	3265	cf::object::player
2227	cf::player peaceful	3266	player
2228	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2229		3273
2230	=cut	3274	=cut
2231		3275
2232	for (	3276	for (
2233	["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)],
2234	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2237	) {	3283	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3286	for @funs;
2242	}	3287	}
2243		3288
…		…
2258		3303
2259	my $qcode = $code;	3304	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2262		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2263	local $_;	3311	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3312
2266	my $eval =	3313	my $eval =
2267	"do {\n"	3314	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3317	. $code
2271	. "\n}"	3318	. "\n}"
2272	;	3319	;
2273		3320
		3321	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	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	}
2277		3330
2278	if ($@) {	3331	if ($@) {
2279	warn "$@";	3332	warn "$@",
2280	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2282	}	3335	}
2283		3336
2284	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2285	}	3338	}
2286		3339
…		…
2300	=cut	3353	=cut
2301		3354
2302	sub register_script_function {	3355	sub register_script_function {
2303	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2304		3357
2305	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2307	}	3360	}
2308		3361
2309	=back	3362	=back
2310		3363
2311	=cut	3364	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3365
2485	#############################################################################	3366	#############################################################################
2486	# the server's init and main functions	3367	# the server's init and main functions
2487		3368
2488	sub load_facedata($) {	3369	sub load_facedata($) {
2489	my ($path) = @_;	3370	my ($path) = @_;
2490		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
2491	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2492		3379
2493	my $facedata;
2494	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2495	or die "$path: $!";	3381	or die "$path: $!";
2496		3382
2497	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2498		3384
2499	$facedata->{version} == 2	3385	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		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
2502	{	3397	{
2503	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2504		3399
2505	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3407
		3408	cf::cede_to_tick;
2511	}	3409	}
2512		3410
2513	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2515	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2516	or next;	3415	or next;
		3416
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3420	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3422	}
2522	Coro::cede;	3423
		3424	cf::cede_to_tick;
2523	}	3425	}
2524	}	3426	}
2525		3427
2526	{	3428	{
2527	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2528		3430
2529	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3433	cf::cede_to_tick;
2532	}	3434	}
2533		3435
2534	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2535	}	3437	}
2536		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} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2537	1	3458	1
2538	}	3459	}
2539		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($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	$status
		3477	}
		3478
2540	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2541	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2542	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 $_->{match};
		3490	}
2543	}	3491	}
2544		3492
2545	sub reload_facedata {	3493	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3503	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2558	}	3506	}
2559		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 => $face;
		3528	}
		3529	}
		3530
2560	sub reload_resources {	3531	sub reload_resources {
2561	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2562		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2563	reload_regions;	3539	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3540	reload_treasures;
2567		3541
2568	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2569	}	3543	}
2570		3544
2571	sub init {	3545	sub reload_config {
2572	reload_resources;	3546	trace "reloading config file...\n";
2573	}
2574		3547
2575	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2577	or return;
2578		3550
2579	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2580	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2581		3555
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3557
2584	$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};
2585	$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};
2586		3560
2587	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2591	};	3565	};
2592	warn $@ if $@;	3566	warn $@ if $@;
2593	}	3567	}
2594	}	3568	}
2595		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
2596	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
2597	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2599	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#
2600	(async {	3611	(async {
2601	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2603	};	3615	};
2604		3616
2605	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;
2606	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
2607	load_extensions;	3640	load_extensions;
2608		3641
2609	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2610	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;
2611	}	3660	}
2612		3661
2613	#############################################################################	3662	#############################################################################
2614	# initialisation and cleanup	3663	# initialisation and cleanup
2615		3664
2616	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2617	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2626	},
2627	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2628	}	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 };
2629	}	3761	}
2630		3762
2631	sub emergency_save() {	3763	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2633		3765
2634	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;
2635		3772
2636	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2637	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3784	$pl->save;
2645	}	3785	}
2646	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2647		3787
2648	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";
2649	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3793	$map->valid or next;
2652	$map->save;	3794	$map->save;
2653	}	3795	}
2654	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2655		3797
2656	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";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2658	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 $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3826	};
2660		3827
2661	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2662	}	3829	}
2663		3830
2664	sub post_cleanup {	3831	sub post_cleanup {
2665	my ($make_core) = @_;	3832	my ($make_core) = @_;
2666		3833
		3834	IO::AIO::flush;
		3835
2667	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2668	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	}
2669	}	3866	}
2670		3867
2671	sub do_reload_perl() {	3868	sub do_reload_perl() {
2672	# can/must only be called in main	3869	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2674	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2675	return;	3872	return;
2676	}	3873	}
2677		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2678	warn "reloading...";	3881	info "reloading...";
2679		3882
2680	warn "entering sync_job";	3883	trace "entering sync_job";
2681		3884
2682	cf::sync_job {	3885	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3886	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3887
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3890	%EXT_CORO = ();
2711		3891
2712	warn "removing commands";	3892	trace "removing commands";
2713	%COMMAND = ();	3893	%COMMAND = ();
2714		3894
2715	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2716	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2717		3898
2718	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2721		3902
2722	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3904	eval {
2724	$cb->($pkg);	3905	$cb->($pkg);
2725	1	3906	1
2726	} 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;
2727	}	3912	}
2728		3913
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3917
2737	warn "... unloading $k";	3918	trace "... unloading $k";
2738	delete $INC{$k};	3919	delete $INC{$k};
2739		3920
2740	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2742		3923
2743	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2745	}	3929	}
2746		3930
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2752	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);
2753		3934
2754	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3938
2758	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3940	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2761		3942
2762	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2763		3944
2764	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2765	require cf;	3946	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2767		3948
2768	warn "loading config and database again";	3949	trace "loading config and database again";
2769	cf::cfg_load;	3950	cf::reload_config;
2770		3951
2771	warn "loading extensions";	3952	trace "loading extensions";
2772	cf::load_extensions;	3953	cf::load_extensions;
2773		3954
		3955	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2780		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2781	warn "leaving sync_job";	3967	trace "leaving sync_job";
2782		3968
2783	1	3969	1
2784	} or do {	3970	} or do {
2785	warn $@;	3971	error $@;
2786	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2787	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2788	};	3977	}
2789		3978
2790	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2791	};	3981	};
2792		3982
2793	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2794		3984
2795	sub reload_perl() {	3985	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2798		3988
2799	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3991
2802	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3993	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2806	},	3995	};
2807	);	3996	};
2808	}	3997	}
2809		3998
2810	register_command "reload" => sub {	3999	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2812		4001
2813	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4006	reload_perl;
		4007	};
2816	}	4008	}
2817	};	4009	};
2818		4010
2819	unshift @INC, $LIBDIR;	4011	#############################################################################
2820		4012
2821	my $bug_warning = 0;	4013	my $bug_warning = 0;
2822		4014
2823	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2825		4017
2826	sub wait_for_tick {	4018	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4020
2830	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4023	$signal->wait;
2833	}	4024	}
2834		4025
2835	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4028
2839	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4031	$signal->wait;
2842	}	4032	}
2843		4033
2844	my $min = 1e6;#d#	4034	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2854	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"
2855	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2856	return;	4038	return;
2857	}	4039	}
2858		4040
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2862		4042
2863	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4044
2869	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4047	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4049	write_runtime_sync
2874		4050	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4051	};
		4052	}
2885		4053
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4055	$sig->send;
2902	}	4056	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4058	$sig->send;
2905	}	4059	}
2906		4060
2907	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4063
2918	_post_tick;	4064	if (0) {
2919		4065	if ($NEXT_TICK) {
2920		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2921	},	4070	}
2922	);	4071	}
2923		4072
2924	{	4073	{
2925	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4075
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2935		4077	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4079
2951	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2952	$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);
2953		4087
2954	cf::sync_job {	4088	cf::sync_job {
2955	eval {	4089	eval {
2956	BDB::db_env_open	4090	BDB::db_env_open
2957	$DB_ENV,	4091	$DB_ENV,
…		…
2959	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
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4095	0666;
2962		4096
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4098	};
2968		4099
2969	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4101	};
2971	}	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	};
2972	}	4113	}
2973		4114
2974	{	4115	{
		4116	# configure IO::AIO
		4117
2975	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4121	}
2988		4122
2989	my $_log_backtrace;	4123	my $_log_backtrace;
2990		4124
2991	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
2995		4129
2996	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
2999	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3000	my @bt = fork_call {	4137	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	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 |"
3004	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3012	}	4149	}
3013		4150
3014	@funcs	4151	@funcs
3015	};	4152	};
3016		4153
3017	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4157	--$_log_backtrace;
3020	};	4158	};
3021	} else {	4159	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4162	}
3025	}	4163	}
3026		4164
3027	# load additional modules	4165	# load additional modules
3028	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3029		4168
3030	END { cf::emergency_save }	4169	END { cf::emergency_save }
3031		4170
3032	1	4171	1
3033		4172

Diff Legend

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