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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
211		347
212	#############################################################################	348	#############################################################################
213		349
214	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
215		351
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	373	$d
238	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
239	}	375	}
240		376
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
242		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
251	=item cf::lock_wait $string	468	=item cf::lock_wait $string
252		469
253	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
254		471
255	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
256		473
257	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
260	returned.	477	returned.
261		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
262	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
264		484
265	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
266		486
267	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
268		488
269	=cut	489	=cut
270		490
271	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
272		492
273	sub lock_wait($) {	493	sub lock_wait($) {
274	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	495	}
282		496
283	sub lock_acquire($) {	497	sub lock_acquire($) {
284	my ($key) = @_;	498	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	499	}
296		500
297	sub lock_active($) {	501	sub lock_active($) {
298	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	503	}
302		504
303	sub freeze_mainloop {	505	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
305		507
306	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
308	};	578	}
309	$TICK_WATCHER->stop;	579	};
310	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
311	}	594	}
312		595
313	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
314		597
315	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		603
321	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
322		605
323	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
324		607
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	611	acceptable.
329		612
330	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	618	=cut
336		619
337	sub sync_job(&) {	620	sub sync_job(&) {
338	my ($job) = @_;	621	my ($job) = @_;
339		622
340	if ($Coro::current == $Coro::main) {	623	if (in_main) {
341	my $time = Event::time;	624	my $time = AE::time;
342		625
343	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
345		628
346	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	630
348	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
349		632
350	my $busy = 1;	633	my $busy = 1;
351	my @res;	634	my @res;
352		635
353	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	638	@res = eval { $job->() };
355	warn $@ if $@;	639	error $@ if $@;
356	undef $busy;	640	undef $busy;
357	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
358		642
359	while ($busy) {	643	while ($busy) {
360	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
361	}	648	}
		649	}
362		650
363	$time = Event::time - $time;	651	my $time = AE::time - $time;
364		652
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
369		654
370	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
371	} else {	656	} else {
372	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
373		658
…		…
393	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
394		679
395	$coro	680	$coro
396	}	681	}
397		682
398	=item fork_call { }, $args	683	=item fork_call { }, @args
399		684
400	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
404		689
405	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
406		695
407	sub fork_call(&@) {	696	sub fork_call(&@) {
408	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
409		698
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		702
415	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
416	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
417		707
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	709	}
420		710
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
440	}	747	}
441		748
442	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
443		750
444	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
447		754
448	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
451	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
452		784
453	our $DB;	785	our $DB;
454		786
455	sub db_init {	787	sub db_init {
456	unless ($DB) {	788	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	789	}
471		790
472	sub db_get($$) {	791	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
474		793
475	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
476	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
477		798
478	$! ? ()	799	$! ? ()
479	: $data	800	: $data
480	}
481	}	801	}
482		802
483	sub db_put($$$) {	803	sub db_put($$$) {
484	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		833
514	my @data;	834	my @data;
515	my $md5;	835	my $md5;
516		836
517	for (0 .. $#$src) {	837	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	839	}
521		840
522	# if processing is expensive, check	841	# if processing is expensive, check
523	# checksum first	842	# checksum first
524	if (1) {	843	if (1) {
525	$md5 =	844	$md5 =
526	join "\x00",	845	join "\x00",
527	$processversion,	846	$processversion,
528	map {	847	map {
529	Coro::cede;	848	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	850	} 0.. $#$src;
532		851
533		852
534	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		860
542	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	862	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
545		864
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		866
548	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
551		870
…		…
561		880
562	=cut	881	=cut
563		882
564	sub datalog($@) {	883	sub datalog($@) {
565	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	886	}
568		887
569	=back	888	=back
570		889
571	=cut	890	=cut
572		891
573	#############################################################################	892	#############################################################################
574		893
575	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
576		895
577	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
580		899
581	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	902	Deliantra).
584		903
585	=over 4	904	=over 4
586		905
587	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
588		907
…		…
632	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
633		952
634	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
636		955
637	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
639		958
640	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
641		960
642	=over 4	961	=over 4
…		…
766		1085
767	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1088
770	} elsif (ref $type) {	1089	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
772		1091
773	} else {	1092	} else {
774	shift @arg;	1093	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
776	}	1095	}
777	}	1096	}
778	}	1097	}
779		1098
780	sub _object_attach {	1099	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
791	}	1110	}
792		1111
793	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
794	} else {	1113	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1115	}
797		1116
798	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
799	}	1118	}
800		1119
…		…
840	";	1159	";
841	die if $@;	1160	die if $@;
842	}	1161	}
843		1162
844	our $override;	1163	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1165
847	sub override {	1166	sub override {
848	$override = 1;	1167	$override = 1;
849	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
850	}	1169	}
851		1170
852	sub do_invoke {	1171	sub do_invoke {
853	my $event = shift;	1172	my $event = shift;
854	my $callbacks = shift;	1173	my $callbacks = shift;
855		1174
856	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
857		1176
858	local $override;	1177	local $override;
859		1178
860	for (@$callbacks) {	1179	for (@$callbacks) {
861	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
862		1181
863	if ($@) {	1182	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1184	override;
867	}	1185	}
868		1186
869	return 1 if $override;	1187	return 1 if $override;
870	}	1188	}
871		1189
872	0	1190	0
873	}	1191	}
874		1192
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1194
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1196
879	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
880		1198
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1202
885	=back	1203	=back
886		1204
887	=cut	1205	=cut
888		1206
889	#############################################################################	1207	#############################################################################
890	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
891		1251
892	sub reattach {	1252	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1254	my ($obj) = @_;
895		1255
		1256	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1258
898	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
899		1260
900	@$registry = ();	1261	@$registry = ();
901		1262
…		…
906	for (@$attach) {	1267	for (@$attach) {
907	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
909	}	1270	}
910	} else {	1271	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1273	}
913	}	1274	}
914	}	1275	}
915		1276
916	cf::attachable->attach (	1277	cf::attachable->attach (
917	prio => -1000000,	1278	prio => -1000000,
918	on_instantiate => sub {	1279	on_instantiate => sub {
919	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
920		1281
921	$data = from_json $data;	1282	$data = decode_json $data;
922		1283
923	for (@$data) {	1284	for (@$data) {
924	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
925		1286
926	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1303	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
944		1305
945	sync_job {	1306	sync_job {
946	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
949		1312
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
954	close $fh;	1320	aio_close $fh;
955		1321
956	if (@$objs) {	1322	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
962	close $fh;	1331	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
964	}	1333	}
965	} else {	1334	} else {
966	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
967	}	1336	}
968		1337
969	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1342	} else {
971	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
972	}	1344	}
973	} else {	1345	} else {
974	aio_unlink $filename;	1346	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
976	}	1348	}
977	}	1349	};
978	}	1350	}
979		1351
980	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
982		1354
…		…
994	or return;	1366	or return;
995		1367
996	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
998	or return;	1370	or return;
		1371
999	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1000	}	1374	}
1001		1375
		1376	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1004	return ($data, $av);	1381	($data, $av)
1005	}	1382	}
1006		1383
1007	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1008		1385
1009	=over 4	1386	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1407	}
1031		1408
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1410
1034	Register a callback fro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
1035		1416
1036	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
1037	called.	1418	called.
1038		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
1039	=cut	1431	=cut
1040		1432
1041	sub register_extcmd {	1433	sub register_extcmd {
1042	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
1043		1435
1044	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
1045	}	1437	}
1046		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
1047	cf::player->attach (	1447	cf::player->attach (
1048	on_command => sub {	1448	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1050		1450
1051	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1052	or return;	1452	or return;
1053		1453
…		…
1058	cf::override;	1458	cf::override;
1059	},	1459	},
1060	on_extcmd => sub {	1460	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1062		1462
1063	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1464
1065	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1071	} else {	1480	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1482	}
1074		1483
1075	cf::override;	1484	cf::override;
1076	},	1485	},
1077	);	1486	);
1078		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1079	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1080	cf::sync_job {	1504	cf::sync_job {
1081	my %todo;	1505	my %todo;
1082		1506
1083	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1508	next unless -r $path;
…		…
1102		1526
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1529
1106	$ext{source} =	1530	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1109	. $source	1533	. $source
1110	. "\n};\n1";	1534	. "\n};\n1";
1111		1535
1112	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1113	}	1537	}
1114		1538
		1539	my $pass = 0;
1115	my %done;	1540	my %done;
1116	while (%todo) {	1541	while (%todo) {
1117	my $progress;	1542	my $progress;
1118		1543
		1544	++$pass;
		1545
		1546	ext:
1119	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1549	next ext
1122	unless exists $done{$_};	1550	unless exists $done{$_};
1123	}	1551	}
1124		1552
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1554
1127	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1132	warn $msg;	1562
1133	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1564	delete $todo{$k};
1135	}	1565	} else {
1136		1566	$done{$k} = delete $todo{$k};
1137	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1138	}	1572	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1573	}
1144		1574
1145	skip:	1575	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1148	}	1585	}
1149	};	1586	};
1150	}	1587	}
1151		1588
1152	#############################################################################	1589	#############################################################################
1153		1590
1154	=back	1591	=back
1155		1592
1156	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1157		1594
1158	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1159		1596
1160	=cut	1597	=cut
1161		1598
1162	package cf::player;	1599	package cf::player;
1163		1600
1164	use Coro::AIO;	1601	use Coro::AIO;
1165		1602
1166	=head3 cf::player	1603	=head3 cf::player
1167		1604
1168	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1169		1620
1170	=item cf::player::find $login	1621	=item cf::player::find $login
1171		1622
1172	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1173		1624
…		…
1192		1643
1193	sub exists($) {	1644	sub exists($) {
1194	my ($login) = @_;	1645	my ($login) = @_;
1195		1646
1196	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1198	}	1649	}
1199		1650
1200	sub find($) {	1651	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1653	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1664
1214	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1217	}	1674	}
1218	}	1675	}
1219	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1220		1690
1221	sub save($) {	1691	sub save($) {
1222	my ($pl) = @_;	1692	my ($pl) = @_;
1223		1693
1224	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1230		1700
1231	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1233		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1234	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1235	Coro::cede;	1710	cf::cede_to_tick;
1236	}	1711	}
1237		1712
1238	sub new($) {	1713	sub new($) {
1239	my ($login) = @_;	1714	my ($login) = @_;
1240		1715
…		…
1246	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1247		1722
1248	$self	1723	$self
1249	}	1724	}
1250		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1251	=item $pl->quit_character	1736	=item $pl->quit_character
1252		1737
1253	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1255		1740
…		…
1259	my ($pl) = @_;	1744	my ($pl) = @_;
1260		1745
1261	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1262		1747
1263	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1750
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1269	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1270		1759
1271	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1308	or return [];	1797	or return [];
1309		1798
1310	my @logins;	1799	my @logins;
1311		1800
1312	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1316		1811
1317	utf8::decode $login;	1812	utf8::decode $login;
1318	push @logins, $login;	1813	push @logins, $login;
1319	}	1814	}
1320		1815
1321	\@logins	1816	\@logins
1322	}	1817	}
1323		1818
1324	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1325		1822
1326	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1327	player. May block.	1824	player. May block.
1328		1825
1329	=cut	1826	=cut
…		…
1347	}	1844	}
1348		1845
1349	\@paths	1846	\@paths
1350	}	1847	}
1351		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1352	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1353		1854
1354	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1355		1856
1356	=cut	1857	=cut
1357		1858
1358	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1360		1861
1361	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1863	}
1365		1864
1366	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1367		1866
1368	Sends an ext event to the client.	1867	Sends an ext event to the client.
1369		1868
1370	=cut	1869	=cut
1371		1870
1372	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1374		1873
1375	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1376	}	1875	}
1377		1876
1378	=head3 cf::region	1877	=head3 cf::region
1379		1878
1380	=over 4	1879	=over 4
…		…
1390	=cut	1889	=cut
1391		1890
1392	sub find_by_path($) {	1891	sub find_by_path($) {
1393	my ($path) = @_;	1892	my ($path) = @_;
1394		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1395	my ($match, $specificity);	1896	my ($match, $specificity);
1396		1897
1397	for my $region (list) {	1898	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1401	}	1902	}
1402	}	1903	}
1403		1904
…		…
1424	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1426		1927
1427	sub generate_random_map {	1928	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1430	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1934	}
1444		1935
1445	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1446		1937
1447	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1452		1943
1453	sub register {	1944	sub register {
1454	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1946	my $pkg = caller;
1456		1947
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1949
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1951	}
1462		1952
1463	# also paths starting with '/'	1953	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1955
1466	sub thawer_merge {	1956	sub thawer_merge {
1467	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1468		1958
1469	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1474	}	1964	}
1475		1965
1476	sub normalise {	1966	sub normalise {
1477	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1478		1968
1479	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1480		1970
1481	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1482		1972
1483	# map plan:	1973	# map plan:
1484	#	1974	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1990	$path = "$base/$path";
1501	}	1991	}
1502		1992
1503	for ($path) {	1993	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1507	}	1996	}
1508		1997
1509	$path	1998	$path
…		…
1523	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1524	return $self;	2013	return $self;
1525	}	2014	}
1526	}	2015	}
1527		2016
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2018	()
1530	}	2019	}
1531		2020
		2021	# may re-bless or do other evil things
1532	sub init {	2022	sub init {
1533	my ($self) = @_;	2023	my ($self) = @_;
1534		2024
1535	$self	2025	$self
1536	}	2026	}
…		…
1555		2045
1556	# the temporary/swap location	2046	# the temporary/swap location
1557	sub save_path {	2047	sub save_path {
1558	my ($self) = @_;	2048	my ($self) = @_;
1559		2049
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1562	}	2052	}
1563		2053
1564	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1565	sub uniq_path {	2055	sub uniq_path {
1566	my ($self) = @_;	2056	my ($self) = @_;
1567		2057
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2060	}
1580		2061
1581	sub decay_objects {	2062	sub decay_objects {
1582	my ($self) = @_;	2063	my ($self) = @_;
1583		2064
…		…
1596		2077
1597	sub load_header_from($) {	2078	sub load_header_from($) {
1598	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1599		2080
1600	utf8::encode $path;	2081	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2083	or return;
1606		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1607	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1608		2092
1609	1	2093	1
1610	}	2094	}
1611		2095
		2096	# used to laod the header of an original map
1612	sub load_header_orig {	2097	sub load_header_orig {
1613	my ($self) = @_;	2098	my ($self) = @_;
1614		2099
1615	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1616	}	2101	}
1617		2102
		2103	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2104	sub load_header_temp {
1619	my ($self) = @_;	2105	my ($self) = @_;
1620		2106
1621	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1622	}	2108	}
1623		2109
		2110	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2111	sub prepare_temp {
1625	my ($self) = @_;	2112	my ($self) = @_;
1626		2113
1627	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1629	# safety	2116	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2119	}
1633		2120
		2121	# called after loading the header from an original map
1634	sub prepare_orig {	2122	sub prepare_orig {
1635	my ($self) = @_;	2123	my ($self) = @_;
1636		2124
1637	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2150
1663	sub find;	2151	sub find;
1664	sub find {	2152	sub find {
1665	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1666		2154
		2155	cf::cede_to_tick;
		2156
1667	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1668		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2161
1671	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1674	or return;	2164	or return;
1675		2165
1676	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1677		2167
…		…
1679	or return;	2169	or return;
1680		2170
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1684	$map->reset;	2176	$map->reset;
1685	undef $guard;
1686	return find $path;	2177	return find $path;
1687	}	2178	}
1688		2179
1689	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1690	}	2181	}
1691	}	2182	}
1692		2183
1693	sub pre_load { }	2184	sub pre_load { }
1694	sub post_load { }	2185	#sub post_load { } # XS
1695		2186
1696	sub load {	2187	sub load {
1697	my ($self) = @_;	2188	my ($self) = @_;
1698		2189
1699	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1700		2191
1701	my $path = $self->{path};	2192	my $path = $self->{path};
1702		2193
1703	{	2194	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1705		2196
		2197	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2199
1710	$self->alloc;	2200	$self->alloc;
1711		2201
1712	$self->pre_load;	2202	$self->pre_load;
1713	Coro::cede;	2203	cf::cede_to_tick;
1714		2204
1715	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1716	or return;	2209	or return;
1717		2210
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1719	if delete $self->{load_original};	2212	if delete $self->{load_original};
1720		2213
1721	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2215	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2218	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1726	}	2223	}
1727	}
1728		2224
1729	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1730	# now do the right thing for maps	2234	# now do the right thing for maps
1731	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2237	unless $self->difficulty;
1734	Coro::cede;	2238	cf::cede_to_tick;
1735		2239
1736	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2241	$self->decay_objects;
1738	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1739	$self->update_buttons;	2243	$self->update_buttons;
1740	Coro::cede;	2244	cf::cede_to_tick;
1741	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2246	}
1745		2247
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1747	}	2250	}
1748		2251
1749	$self->post_load;	2252	$self->post_load;
1750	}
1751		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2260	sub customise_for {
1753	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1754		2262
1755	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2264	if $self->per_player;
…		…
1759	# if $self->per_party;	2267	# if $self->per_party;
1760		2268
1761	$self	2269	$self
1762	}	2270	}
1763		2271
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2272	sub find_sync {
1789	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1790		2274
1791	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1792	}	2280	}
1793		2281
1794	sub do_load_sync {	2282	sub do_load_sync {
1795	my ($map) = @_;	2283	my ($map) = @_;
1796		2284
1797	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1798	}	2290	}
1799		2291
1800	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1802		2294
1803	sub find_async {	2295	sub find_async {
1804	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1805		2297
1806	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1807		2299
1808	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1810	}	2302	}
1811		2303
1812	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1813	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1814	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2311	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2312	$map->load if $v;
		2313	}
1819		2314
1820	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1821	}	2316	}
1822	}	2317	}
1823	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1824	};	2319	};
1825	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1826		2321
1827	()	2322	()
1828	}	2323	}
1829		2324
		2325	# common code, used by both ->save and ->swapout
1830	sub save {	2326	sub _save {
1831	my ($self) = @_;	2327	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2328
1835	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1836		2330
1837	return unless $self->dirty;	2331	return unless $self->dirty;
1838		2332
…		…
1844	return if $self->{deny_save};	2338	return if $self->{deny_save};
1845		2339
1846	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1847		2341
1848	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1850	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1851		2348
1852	if ($uniq) {	2349	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2352	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2354	}
1858	}	2355	}
1859		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1860	sub swap_out {	2365	sub swap_out {
1861	my ($self) = @_;	2366	my ($self) = @_;
1862		2367
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1868	return if $self->players;	2372	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1872	$self->clear;	2383	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2384	}
1875		2385
1876	sub reset_at {	2386	sub reset_at {
1877	my ($self) = @_;	2387	my ($self) = @_;
1878		2388
…		…
1896		2406
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2408
1899	return if $self->players;	2409	return if $self->players;
1900		2410
1901	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
1902		2412
1903	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1904		2414
1905	# need to save uniques path	2415	# need to save uniques path
1906	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2418
…		…
1910	if $uniq;	2420	if $uniq;
1911	}	2421	}
1912		2422
1913	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1914		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2427	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2428
1919	$self->unlink_save;	2429	$self->unlink_save;
1920	$self->destroy;	2430	$self->destroy;
1921	}	2431	}
1922		2432
1923	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1924		2434
1925	sub nuke {	2435	sub nuke {
1926	my ($self) = @_;	2436	my ($self) = @_;
1927		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1928	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1929		2442
1930	$self->unlink_save;	2443	$self->unlink_save;
1931		2444
1932	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2450
1938	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1939		2453
1940	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
1941	}	2455	}
1942		2456
1943	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
1985		2499
1986	sub unique_maps() {	2500	sub unique_maps() {
1987	[	2501	[
1988	map {	2502	map {
1989	utf8::decode $_;	2503	utf8::decode $_;
1990	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
1991	? normalise $_	2507	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2509	]
1995	}	2510	}
1996		2511
1997	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1998		2543
1999	=back	2544	=back
2000		2545
2001	=head3 cf::object	2546	=head3 cf::object
2002		2547
…		…
2006		2551
2007	=over 4	2552	=over 4
2008		2553
2009	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2010		2555
2011	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2012		2558
2013	=cut	2559	=cut
2014		2560
2015	sub inv_recursive_;	2561	sub inv_recursive_;
2016	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2019		2565
2020	sub inv_recursive {	2566	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2022	}	2568	}
2023		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
2024	package cf;	2598	package cf;
2025		2599
2026	=back	2600	=back
2027		2601
2028	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2037		2611
2038	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
2039		2627
2040	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2629	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2050		2638
2051	} else {	2639	} else {
2052	my $pl = $self->contr;	2640	my $pl = $self->contr;
2053		2641
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2645
2060	} else {	2646	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2649	}
2064	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
2065	}	2661	}
2066		2662
2067	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
2068		2664
2069	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
2082		2678
2083	=item $player_object->enter_link	2679	=item $player_object->enter_link
2084		2680
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2682
2087	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2089		2687
2090	Will never block.	2688	Will never block.
2091		2689
2092	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2093		2691
…		…
2113	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2712	my ($self) = @_;
2115		2713
2116	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2117		2715
		2716	++$self->{_link_recursion};
		2717
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2719
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2122		2722
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2724	}
2125		2725
2126	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2128		2728
…		…
2145	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2147		2747
2148	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2151		2751
2152	$map->load;	2752	$map->load;
2153	$map->load_diag;
2154		2753
2155	return unless $self->contr->active;	2754	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2755
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2160	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2161		2763
		2764	}
		2765
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2767
2164	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
2168		2776
2169	=cut	2777	=cut
2170		2778
2171	our $GOTOGEN;	2779	our $GOTOGEN;
2172		2780
2173	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2175		2789
2176	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2792
2179	$self->enter_link;	2793	$self->enter_link;
2180		2794
2181	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
2182	my $map = eval {	2817	my $map = eval {
2183	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2819
2185	if ($map) {	2820	if ($map) {
2186	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2823	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2825	}
2191		2826
2192	$map	2827	$map
2193	};	2828	};
2194		2829
…		…
2199		2834
2200	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2203	}	2838	}
		2839
		2840	$done->($self) if $done;
2204	})->prio (1);	2841	})->prio (1);
2205	}	2842	}
2206		2843
2207	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2208		2845
…		…
2228	}	2865	}
2229		2866
2230	sub prepare_random_map {	2867	sub prepare_random_map {
2231	my ($exit) = @_;	2868	my ($exit) = @_;
2232		2869
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2872	# that depends on the exit object
2238		2873
2239	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2876	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2246	}	2883	}
2247		2884
2248	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2249		2886
2250	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2253		2890
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2893	undef $fh;
2257	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2258		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2261	}	2902	}
2262	}	2903	}
2263		2904
2264	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2266		2907
2267	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2268		2909
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2910	$self->enter_link;
2281		2911
2282	(async {	2912	(async {
2283	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2284	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2285	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2286		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2287	1;	2951	1
2288	}) {	2952	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2957
2294	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2959	$self->leave_link;
2296	}	2960	}
2297	})->prio (1);	2961	})->prio (1);
2298	}	2962	}
2299		2963
…		…
2313		2977
2314	utf8::encode $text;	2978	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2980	}
2317		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2318	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2319		3170
2320	Sends an exti event to the client.	3171	Sends an ext event to the client.
2321		3172
2322	=cut	3173	=cut
2323		3174
2324	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2326		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2329	}	3202	}
2330		3203
2331	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2332		3205
2333	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3209
2337	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3211	become reliable at some point in the future.
2339		3212
2340	=cut	3213	=cut
2341		3214
2342	sub cf::client::query {	3215	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3224	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3226
2354	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2356	}	3231	}
2357		3232
2358	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2359	on_reply => sub {	3239	on_reply => sub {
2360	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2361		3241
2362	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2363	# get handled first	3243	# get handled first
…		…
2375	} else {	3255	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3257	}
2378	}	3258	}
2379	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2380	);	3286	);
2381		3287
2382	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2383		3289
2384	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3306
2401	$coro	3307	$coro
2402	}	3308	}
2403		3309
2404	cf::client->attach (	3310	cf::client->attach (
2405	on_destroy => sub {	3311	on_client_destroy => sub {
2406	my ($ns) = @_;	3312	my ($ns) = @_;
2407		3313
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3315	},
2410	);	3316	);
…		…
2425	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2427		3333
2428	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2429		3335
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2431		3341
2432	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2433		3343
2434	=pod	3344	=pod
2435		3345
2436	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2437		3347
2438	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2439	cf::object::player player	3353	cf::object::player
2440	cf::player peaceful	3354	player
2441	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2442		3361
2443	=cut	3362	=cut
2444		3363
2445	for (	3364	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2450	) {	3371	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3374	for @funs;
2455	}	3375	}
2456		3376
…		…
2471		3391
2472	my $qcode = $code;	3392	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2475		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2476	local $_;	3399	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3400
2479	my $eval =	3401	my $eval =
2480	"do {\n"	3402	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3405	. $code
2484	. "\n}"	3406	. "\n}"
2485	;	3407	;
2486		3408
		3409	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2490		3418
2491	if ($@) {	3419	if ($@) {
2492	warn "$@";	3420	warn "$@",
2493	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2495	}	3423	}
2496		3424
2497	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2498	}	3426	}
2499		3427
…		…
2513	=cut	3441	=cut
2514		3442
2515	sub register_script_function {	3443	sub register_script_function {
2516	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2517		3445
2518	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2520	}	3448	}
2521		3449
2522	=back	3450	=back
2523		3451
2524	=cut	3452	=cut
…		…
2527	# the server's init and main functions	3455	# the server's init and main functions
2528		3456
2529	sub load_facedata($) {	3457	sub load_facedata($) {
2530	my ($path) = @_;	3458	my ($path) = @_;
2531		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2532	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2533		3467
2534	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3469
2540	$facedata->{version} == 2	3470	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2543	{	3482	{
2544	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2545		3484
2546	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2552	}	3495	}
2553		3496
2554	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2556	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2557	or next;	3501	or next;
		3502
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3506	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3508	}
2563	Coro::cede;	3509
		3510	cf::cede_to_tick;
2564	}	3511	}
2565	}	3512	}
2566		3513
2567	{	3514	{
2568	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2569		3516
2570	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3519	cf::cede_to_tick;
2573	}	3520	}
2574		3521
2575	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2576	}	3523	}
2577		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2578	1	3544	1
2579	}	3545	}
2580		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2581	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2582	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2584	}	3577	}
2585		3578
2586	sub reload_facedata {	3579	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3589	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2599	}	3592	}
2600		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2601	sub reload_resources {	3614	sub reload_resources {
2602	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2603		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2604	reload_regions;	3622	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3623	reload_treasures;
2609		3624
2610	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2611	}	3626	}
2612		3627
2613	sub init {	3628	sub reload_config {
2614	reload_resources;	3629	trace "reloading config file...\n";
2615	}
2616		3630
2617	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2619	or return;	3633	*CFG = decode_yaml $config;
2620		3634
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3636
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3639
2629	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2633	};	3644	};
2634	warn $@ if $@;	3645	warn $@ if $@;
2635	}	3646	}
2636	}	3647	}
2637		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2638	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2639	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3690	(async {
2643	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2645	};	3694	};
2646		3695
2647	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2648	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2649	load_extensions;	3719	load_extensions;
2650		3720
2651	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2653	}	3739	}
2654		3740
2655	#############################################################################	3741	#############################################################################
2656	# initialisation and cleanup	3742	# initialisation and cleanup
2657		3743
2658	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2659	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2668	},
2669	);	3750	};
2670	}	3751	}
2671	}	3752	}
2672		3753
2673	sub write_runtime {	3754	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
2675		3756
2676	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
2678		3759
2679	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3761
2681	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
2682		3763
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3765	or return;
2685		3766
2686	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
2699		3780
2700	close $fh	3781	close $fh
2701	or return;	3782	or return;
2702		3783
2703	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3785	and return;
2705		3786
2706	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3788
2708	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2709	}	3840	}
2710		3841
2711	sub emergency_save() {	3842	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2713		3844
2714	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2715		3851
2716	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2717	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3863	$pl->save;
2725	}	3864	}
2726	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2727		3866
2728	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3872	$map->valid or next;
2732	$map->save;	3873	$map->save;
2733	}	3874	}
2734	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2735		3876
2736	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3905	};
2740		3906
2741	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2742	}	3908	}
2743		3909
2744	sub post_cleanup {	3910	sub post_cleanup {
2745	my ($make_core) = @_;	3911	my ($make_core) = @_;
2746		3912
		3913	IO::AIO::flush;
		3914
2747	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
2749	}	3945	}
2750		3946
2751	sub do_reload_perl() {	3947	sub do_reload_perl() {
2752	# can/must only be called in main	3948	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2754	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2755	return;	3951	return;
2756	}	3952	}
2757		3953
2758	warn "reloading...";	3954	return if $RELOAD++;
2759		3955
2760	warn "entering sync_job";	3956	my $t1 = AE::time;
2761		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2762	cf::sync_job {	3964	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3965	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3966
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3969	%EXT_CORO = ();
2791		3970
2792	warn "removing commands";	3971	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3972	%COMMAND = ();
2794		3973
2795	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2797		3977
2798	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2801		3981
2802	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3983	eval {
2804	$cb->($pkg);	3984	$cb->($pkg);
2805	1	3985	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2807	}	3991	}
2808		3992
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3996
2817	warn "... unloading $k";	3997	trace "... unloading $k";
2818	delete $INC{$k};	3998	delete $INC{$k};
2819		3999
2820	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2822		4002
2823	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2825	}	4008	}
2826		4009
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4013
2834	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4017
2838	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4019	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2841		4021
2842	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2843		4023
2844	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2845	require cf;	4025	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2847		4027
2848	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4029	cf::reload_config;
2850		4030
2851	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4032	cf::load_extensions;
2853		4033
		4034	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2860		4042
2861	warn "leaving sync_job";	4043	cf::_post_init 1;
2862		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
2863	1	4047	1
2864	} or do {	4048	} or do {
2865	warn $@;	4049	error $@;
2866	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4051	};
		4052
		4053	--$RELOAD;
2868	};	4054	}
2869		4055
2870	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
2871	};	4058	};
2872		4059
2873	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
2874		4061
2875	sub reload_perl() {	4062	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
2878		4065
2879	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4068
2882	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4070	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
2886	},	4072	};
2887	);	4073	};
2888	}	4074	}
2889		4075
2890	register_command "reload" => sub {	4076	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2892		4078
2893	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4083	reload_perl;
		4084	};
2896	}	4085	}
2897	};	4086	};
2898		4087
2899	unshift @INC, $LIBDIR;	4088	#############################################################################
2900		4089
2901	my $bug_warning = 0;	4090	my $bug_warning = 0;
2902		4091
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4092	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4094
2910	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4096	}
2914		4097
2915	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4100
2919	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4103	$signal->wait;
2922	}	4104	}
2923		4105
2924	my $min = 1e6;#d#	4106	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2936	return;	4110	return;
2937	}	4111	}
2938		4112
2939	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
2940		4114
2941	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4116
2943	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4119	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
2947	or die;	4121	write_runtime_sync
2948		4122	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4123	};
		4124	}
2965		4125
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4127	$sig->send;
2982	}	4128	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4130
2987	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4133
2998	_post_tick;	4134	if (0) {
2999		4135	if ($NEXT_TICK) {
3000		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3001	},	4140	}
3002	);	4141	}
3003		4142
3004	{	4143	{
3005	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4145
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3015		4147	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4149
3031	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4157
3034	cf::sync_job {	4158	cf::sync_job {
3035	eval {	4159	eval {
3036	BDB::db_env_open	4160	BDB::db_env_open
3037	$DB_ENV,	4161	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4165	0666;
3042		4166
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4168	};
3048		4169
3049	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4171	};
3051	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
3052	}	4183	}
3053		4184
3054	{	4185	{
		4186	# configure IO::AIO
		4187
3055	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4191	}
3068		4192
3069	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3070		4195
3071	sub _log_backtrace {	4196	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3073		4198
3074	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3075		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3079	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3080	my @bt = fork_call {	4212	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3092	}	4224	}
3093		4225
3094	@funcs	4226	@funcs
3095	};	4227	};
3096		4228
3097	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4232	--$_log_backtrace;
3100	};	4233	};
3101	} else {	4234	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4237	}
3105	}	4238	}
3106		4239
3107	# load additional modules	4240	# load additional modules
3108	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3109		4243
3110	END { cf::emergency_save }	4244	END { cf::emergency_save }
3111		4245
3112	1	4246	1
3113		4247

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