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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 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	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
211		349
212	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
213		351
214	=over 4	352	=over 4
215		353
…		…
234	$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;
235	$d	373	$d
236	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
237	}	375	}
238		376
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
240		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
241	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
242		392
243	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
244		394
245	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
246		396
247	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	468	=item cf::lock_wait $string
250		469
251	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
252		471
253	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
254		473
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
258	returned.	477	returned.
259		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
260	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
261	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
262		484
263	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
264		486
265	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.
266		488
267	=cut	489	=cut
268		490
269	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
270		492
271	sub lock_wait($) {	493	sub lock_wait($) {
272	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	495	}
280		496
281	sub lock_acquire($) {	497	sub lock_acquire($) {
282	my ($key) = @_;	498	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	499	}
294		500
295	sub lock_active($) {	501	sub lock_active($) {
296	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	503	}
300		504
301	sub freeze_mainloop {	505	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
303		507
304	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
305	$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	}
306	};	578	}
307	$TICK_WATCHER->stop;	579	};
308	$guard	580
		581	sub get_slot($;$$) {
		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;
309	}	594	}
310		595
311	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
312		597
313	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		603
319	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
320		605
321	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
322		607
323	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
326		612
327	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
328	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
329	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
330	fast or be very important.	616	fast or be very important.
…		…
332	=cut	618	=cut
333		619
334	sub sync_job(&) {	620	sub sync_job(&) {
335	my ($job) = @_;	621	my ($job) = @_;
336		622
337	if ($Coro::current == $Coro::main) {	623	if (in_main) {
338	my $time = Event::time;	624	my $time = AE::time;
339		625
340	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
342		628
343	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	630
345	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
346		632
347	my $busy = 1;	633	my $busy = 1;
348	my @res;	634	my @res;
349		635
350	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	638	@res = eval { $job->() };
352	warn $@ if $@;	639	error $@ if $@;
353	undef $busy;	640	undef $busy;
354	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
355		642
356	while ($busy) {	643	while ($busy) {
357	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
358	}	648	}
		649	}
359		650
360	$time = Event::time - $time;	651	my $time = AE::time - $time;
361		652
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
366		654
367	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
368	} else {	656	} else {
369	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
370		658
…		…
390	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
391		679
392	$coro	680	$coro
393	}	681	}
394		682
395	sub write_runtime {	683	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		684
398	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
400		689
401	IO::AIO::aio_utime $runtime, undef, undef;	690	=cut
402		691
403	my $guard = cf::lock_acquire "write_runtime";	692	sub post_fork {
		693	reset_signals;
		694	}
404		695
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	696	sub fork_call(&@) {
406	or return;	697	my ($cb, @args) = @_;
407		698
408	my $value = $cf::RUNTIME + 90 + 10;	699	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	700	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	701	# TODO: investigate and fix (likely this will be rather laborious)
411		702
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	703	my @res = Coro::Util::fork_eval {
413	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
414		707
415	# always fsync - this file is important	708	wantarray ? @res : $res[-1]
416	aio_fsync $fh	709	}
417	and return;
418		710
419	# touch it again to show we are up-to-date	711	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	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
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		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
		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	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
431	}	875	}
432		876
433	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
434		878
435	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
436		880
437	=cut	881	=cut
438		882
439	sub datalog($@) {	883	sub datalog($@) {
440	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	886	}
443		887
444	=back	888	=back
445		889
446	=cut	890	=cut
447		891
448	#############################################################################	892	#############################################################################
449		893
450	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
451		895
452	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
453	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")
454	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
455		899
456	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>
457	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
458	crossfire+).	902	Deliantra).
459		903
460	=over 4	904	=over 4
461		905
462	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
463		907
…		…
507	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
508		952
509	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
510	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
511		955
512	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
514		958
515	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
516		960
517	=over 4	961	=over 4
…		…
641		1085
642	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1088
645	} elsif (ref $type) {	1089	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
647		1091
648	} else {	1092	} else {
649	shift @arg;	1093	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
651	}	1095	}
652	}	1096	}
653	}	1097	}
654		1098
655	sub _object_attach {	1099	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
666	}	1110	}
667		1111
668	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
669	} else {	1113	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1115	}
672		1116
673	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
674	}	1118	}
675		1119
…		…
715	";	1159	";
716	die if $@;	1160	die if $@;
717	}	1161	}
718		1162
719	our $override;	1163	our $override;
720	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?
721		1165
722	sub override {	1166	sub override {
723	$override = 1;	1167	$override = 1;
724	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
725	}	1169	}
726		1170
727	sub do_invoke {	1171	sub do_invoke {
728	my $event = shift;	1172	my $event = shift;
729	my $callbacks = shift;	1173	my $callbacks = shift;
730		1174
731	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
732		1176
733	local $override;	1177	local $override;
734		1178
735	for (@$callbacks) {	1179	for (@$callbacks) {
736	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
737		1181
738	if ($@) {	1182	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1184	override;
742	}	1185	}
743		1186
744	return 1 if $override;	1187	return 1 if $override;
745	}	1188	}
746		1189
747	0	1190	0
748	}	1191	}
749		1192
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1194
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1196
754	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
755		1198
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1202
760	=back	1203	=back
761		1204
762	=cut	1205	=cut
763		1206
764	#############################################################################	1207	#############################################################################
765	# 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	}
766		1251
767	sub reattach {	1252	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1254	my ($obj) = @_;
770		1255
		1256	# no longer needed after getting rid of delete_package?
771	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
772		1258
773	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
774		1260
775	@$registry = ();	1261	@$registry = ();
776		1262
…		…
781	for (@$attach) {	1267	for (@$attach) {
782	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
784	}	1270	}
785	} else {	1271	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1273	}
788	}	1274	}
789	}	1275	}
790		1276
791	cf::attachable->attach (	1277	cf::attachable->attach (
792	prio => -1000000,	1278	prio => -1000000,
793	on_instantiate => sub {	1279	on_instantiate => sub {
794	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
795		1281
796	$data = from_json $data;	1282	$data = decode_json $data;
797		1283
798	for (@$data) {	1284	for (@$data) {
799	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
800		1286
801	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1303	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
819		1305
820	sync_job {	1306	sync_job {
821	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
824		1312
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1320	aio_close $fh;
830		1321
831	if (@$objs) {	1322	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1331	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
839	}	1333	}
840	} else {	1334	} else {
841	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
842	}	1336	}
843		1337
844	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1342	} else {
846	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
847	}	1344	}
848	} else {	1345	} else {
849	aio_unlink $filename;	1346	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
851	}	1348	}
852	}	1349	};
853	}	1350	}
854		1351
855	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
857		1354
…		…
869	or return;	1366	or return;
870		1367
871	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
873	or return;	1370	or return;
		1371
874	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
875	}	1374	}
876		1375
		1376	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
879	return ($data, $av);	1381	($data, $av)
880	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
881		1389
882	#############################################################################	1390	#############################################################################
883	# command handling &c	1391	# command handling &c
884		1392
885	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1407	}
900		1408
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1410
903	Register a callbackf ro 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.
904		1416
905	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
906	called.	1418	called.
907		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
908	=cut	1431	=cut
909		1432
910	sub register_extcmd {	1433	sub register_extcmd {
911	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
912		1435
913	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
914	}	1437	}
915		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
916	cf::player->attach (	1447	cf::player->attach (
917	on_command => sub {	1448	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
919		1450
920	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
921	or return;	1452	or return;
922		1453
…		…
927	cf::override;	1458	cf::override;
928	},	1459	},
929	on_extcmd => sub {	1460	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
931		1462
932	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1464
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
940	} else {	1480	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1482	}
943		1483
944	cf::override;	1484	cf::override;
945	},	1485	},
946	);	1486	);
947		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
948	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
949	cf::sync_job {	1504	cf::sync_job {
950	my %todo;	1505	my %todo;
951		1506
952	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1508	next unless -r $path;
…		…
971		1526
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1529
975	$ext{source} =	1530	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
978	. $source	1533	. $source
979	. "\n};\n1";	1534	. "\n};\n1";
980		1535
981	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
982	}	1537	}
983		1538
		1539	my $pass = 0;
984	my %done;	1540	my %done;
985	while (%todo) {	1541	while (%todo) {
986	my $progress;	1542	my $progress;
987		1543
		1544	++$pass;
		1545
		1546	ext:
988	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1549	next ext
991	unless exists $done{$_};	1550	unless exists $done{$_};
992	}	1551	}
993		1552
994	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1554
996	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1001	warn $msg;	1562
1002	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1564	delete $todo{$k};
1004	}	1565	} else {
1005		1566	$done{$k} = delete $todo{$k};
1006	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1007	}	1572	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1573	}
1013		1574
1014	skip:	1575	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	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	}
1017	}	1585	}
1018	};	1586	};
1019	}	1587	}
1020		1588
1021	#############################################################################	1589	#############################################################################
1022		1590
		1591	=back
		1592
1023	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1024		1594
1025	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1026		1596
1027	=cut	1597	=cut
1028		1598
1029	package cf::player;	1599	package cf::player;
1030		1600
1031	use Coro::AIO;	1601	use Coro::AIO;
1032		1602
1033	=head3 cf::player	1603	=head3 cf::player
1034		1604
1035	=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	}
1036		1620
1037	=item cf::player::find $login	1621	=item cf::player::find $login
1038		1622
1039	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1040		1624
…		…
1059		1643
1060	sub exists($) {	1644	sub exists($) {
1061	my ($login) = @_;	1645	my ($login) = @_;
1062		1646
1063	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1065	}	1649	}
1066		1650
1067	sub find($) {	1651	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1653	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1664
1081	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1084	}	1674	}
1085	}	1675	}
1086	}	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	);
1087		1690
1088	sub save($) {	1691	sub save($) {
1089	my ($pl) = @_;	1692	my ($pl) = @_;
1090		1693
1091	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1097		1700
1098	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1100		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
1101	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1102	Coro::cede;	1710	cf::cede_to_tick;
1103	}	1711	}
1104		1712
1105	sub new($) {	1713	sub new($) {
1106	my ($login) = @_;	1714	my ($login) = @_;
1107		1715
…		…
1113	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1114		1722
1115	$self	1723	$self
1116	}	1724	}
1117		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
1118	=item $pl->quit_character	1736	=item $pl->quit_character
1119		1737
1120	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
1121	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1122		1740
…		…
1126	my ($pl) = @_;	1744	my ($pl) = @_;
1127		1745
1128	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1129		1747
1130	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1131	$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
1132		1750
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1134	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1136	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1137		1759
1138	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1140	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1175	or return [];	1797	or return [];
1176		1798
1177	my @logins;	1799	my @logins;
1178		1800
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1183		1811
1184	utf8::decode $login;	1812	utf8::decode $login;
1185	push @logins, $login;	1813	push @logins, $login;
1186	}	1814	}
1187		1815
1188	\@logins	1816	\@logins
1189	}	1817	}
1190		1818
1191	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1192		1822
1193	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1194	player. May block.	1824	player. May block.
1195		1825
1196	=cut	1826	=cut
…		…
1214	}	1844	}
1215		1845
1216	\@paths	1846	\@paths
1217	}	1847	}
1218		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1219	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1220		1854
1221	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1222		1856
1223	=cut	1857	=cut
1224		1858
1225	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1227		1861
1228	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1863	}
1232		1864
1233	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1234		1866
1235	Sends an ext event to the client.	1867	Sends an ext event to the client.
1236		1868
1237	=cut	1869	=cut
1238		1870
1239	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1241		1873
1242	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1243	}	1875	}
1244		1876
1245	=head3 cf::region	1877	=head3 cf::region
1246		1878
1247	=over 4	1879	=over 4
…		…
1250		1882
1251	package cf::region;	1883	package cf::region;
1252		1884
1253	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1254		1886
1255	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1256		1888
1257	=cut	1889	=cut
1258		1890
1259	sub find_by_path($) {	1891	sub find_by_path($) {
1260	my ($path) = @_;	1892	my ($path) = @_;
1261		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1262	my ($match, $specificity);	1896	my ($match, $specificity);
1263		1897
1264	for my $region (list) {	1898	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1268	}	1902	}
1269	}	1903	}
1270		1904
…		…
1291	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1293		1927
1294	sub generate_random_map {	1928	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1296	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1297	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1305	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1306	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1309	)
1310	}	1934	}
1311		1935
1312	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1313		1937
1314	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
…		…
1319		1943
1320	sub register {	1944	sub register {
1321	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	1946	my $pkg = caller;
1323		1947
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		1949
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	1951	}
1329		1952
1330	# also paths starting with '/'	1953	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		1955
1333	sub thawer_merge {	1956	sub thawer_merge {
1334	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1335		1958
1336	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1341	}	1964	}
1342		1965
1343	sub normalise {	1966	sub normalise {
1344	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1345		1968
1346	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1347		1970
1348	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1349		1972
1350	# map plan:	1973	# map plan:
1351	#	1974	#
…		…
1366	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1367	$path = "$base/$path";	1990	$path = "$base/$path";
1368	}	1991	}
1369		1992
1370	for ($path) {	1993	for ($path) {
1371	redo if s{//}{/};
1372	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1373	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1374	}	1996	}
1375		1997
1376	$path	1998	$path
…		…
1390	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1391	return $self;	2013	return $self;
1392	}	2014	}
1393	}	2015	}
1394		2016
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1396	()	2018	()
1397	}	2019	}
1398		2020
		2021	# may re-bless or do other evil things
1399	sub init {	2022	sub init {
1400	my ($self) = @_;	2023	my ($self) = @_;
1401		2024
1402	$self	2025	$self
1403	}	2026	}
…		…
1422		2045
1423	# the temporary/swap location	2046	# the temporary/swap location
1424	sub save_path {	2047	sub save_path {
1425	my ($self) = @_;	2048	my ($self) = @_;
1426		2049
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1429	}	2052	}
1430		2053
1431	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1432	sub uniq_path {	2055	sub uniq_path {
1433	my ($self) = @_;	2056	my ($self) = @_;
1434		2057
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	2060	}
1447		2061
1448	sub decay_objects {	2062	sub decay_objects {
1449	my ($self) = @_;	2063	my ($self) = @_;
1450		2064
…		…
1463		2077
1464	sub load_header_from($) {	2078	sub load_header_from($) {
1465	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1466		2080
1467	utf8::encode $path;	2081	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	2083	or return;
1473		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1474	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1475		2092
1476	1	2093	1
1477	}	2094	}
1478		2095
		2096	# used to laod the header of an original map
1479	sub load_header_orig {	2097	sub load_header_orig {
1480	my ($self) = @_;	2098	my ($self) = @_;
1481		2099
1482	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1483	}	2101	}
1484		2102
		2103	# used to laod the header of an instantiated map
1485	sub load_header_temp {	2104	sub load_header_temp {
1486	my ($self) = @_;	2105	my ($self) = @_;
1487		2106
1488	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1489	}	2108	}
1490		2109
		2110	# called after loading the header from an instantiated map
1491	sub prepare_temp {	2111	sub prepare_temp {
1492	my ($self) = @_;	2112	my ($self) = @_;
1493		2113
1494	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1495	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1496	# safety	2116	# safety
1497	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1498	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1499	}	2119	}
1500		2120
		2121	# called after loading the header from an original map
1501	sub prepare_orig {	2122	sub prepare_orig {
1502	my ($self) = @_;	2123	my ($self) = @_;
1503		2124
1504	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1505	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1529		2150
1530	sub find;	2151	sub find;
1531	sub find {	2152	sub find {
1532	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1533		2154
		2155	cf::cede_to_tick;
		2156
1534	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1535		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2161
1538	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1541	or return;	2164	or return;
1542		2165
1543	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1544		2167
…		…
1546	or return;	2169	or return;
1547		2170
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1551	$map->reset;	2176	$map->reset;
1552	undef $guard;
1553	return find $path;	2177	return find $path;
1554	}	2178	}
1555		2179
1556	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1557	}	2181	}
1558	}	2182	}
1559		2183
1560	sub pre_load { }	2184	sub pre_load { }
1561	sub post_load { }	2185	#sub post_load { } # XS
1562		2186
1563	sub load {	2187	sub load {
1564	my ($self) = @_;	2188	my ($self) = @_;
1565		2189
1566	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1567		2191
1568	my $path = $self->{path};	2192	my $path = $self->{path};
1569		2193
1570	{	2194	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1572		2196
		2197	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1574
1575	$self->in_memory (cf::MAP_LOADING);
1576		2199
1577	$self->alloc;	2200	$self->alloc;
1578		2201
1579	$self->pre_load;	2202	$self->pre_load;
1580	Coro::cede;	2203	cf::cede_to_tick;
1581		2204
1582	$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)
1583	or return;	2209	or return;
1584		2210
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1586	if delete $self->{load_original};	2212	if delete $self->{load_original};
1587		2213
1588	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2215	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2218	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1593	}	2223	}
1594	}
1595		2224
1596	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;
1597	# now do the right thing for maps	2234	# now do the right thing for maps
1598	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2237	unless $self->difficulty;
1601	Coro::cede;	2238	cf::cede_to_tick;
1602		2239
1603	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2241	$self->decay_objects;
1605	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1606	$self->update_buttons;	2243	$self->update_buttons;
1607	Coro::cede;	2244	cf::cede_to_tick;
1608	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1609	Coro::cede;
1610	$self->activate;
1611	}	2246	}
1612		2247
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1614	}	2250	}
1615		2251
1616	$self->post_load;	2252	$self->post_load;
1617	}
1618		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
1619	sub customise_for {	2260	sub customise_for {
1620	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1621		2262
1622	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2264	if $self->per_player;
…		…
1626	# if $self->per_party;	2267	# if $self->per_party;
1627		2268
1628	$self	2269	$self
1629	}	2270	}
1630		2271
1631	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {
1633	my ($map) = @_;
1634
1635	my @diag; # diagonal neighbours
1636
1637	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)
1639	or next;
1640	$neigh = find $neigh, $map
1641	or next;
1642	$neigh->load;
1643
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}
1647
1648	for (@diag) {
1649	my $neigh = find @$_
1650	or next;
1651	$neigh->load;
1652	}
1653	}
1654
1655	sub find_sync {	2272	sub find_sync {
1656	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1657		2274
1658	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
1659	}	2280	}
1660		2281
1661	sub do_load_sync {	2282	sub do_load_sync {
1662	my ($map) = @_;	2283	my ($map) = @_;
1663		2284
1664	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;
1665	}	2290	}
1666		2291
1667	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1669		2294
1670	sub find_async {	2295	sub find_async {
1671	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1672		2297
1673	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1674		2299
1675	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1677	}	2302	}
1678		2303
1679	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1680	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1681	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2311	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2312	$map->load if $v;
		2313	}
1686		2314
1687	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1688	}	2316	}
1689	}	2317	}
1690	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1691	};	2319	};
1692	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1693		2321
1694	()	2322	()
1695	}	2323	}
1696		2324
		2325	# common code, used by both ->save and ->swapout
1697	sub save {	2326	sub _save {
1698	my ($self) = @_;	2327	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2328
1702	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1703		2330
1704	return unless $self->dirty;	2331	return unless $self->dirty;
1705		2332
…		…
1711	return if $self->{deny_save};	2338	return if $self->{deny_save};
1712		2339
1713	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1714		2341
1715	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1717	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1718		2348
1719	if ($uniq) {	2349	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2352	} else {
1723	$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);
1724	}	2354	}
1725	}	2355	}
1726		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1727	sub swap_out {	2365	sub swap_out {
1728	my ($self) = @_;	2366	my ($self) = @_;
1729		2367
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1735	return if $self->players;	2372	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		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
1739	$self->clear;	2383	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2384	}
1742		2385
1743	sub reset_at {	2386	sub reset_at {
1744	my ($self) = @_;	2387	my ($self) = @_;
1745		2388
…		…
1763		2406
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2408
1766	return if $self->players;	2409	return if $self->players;
1767		2410
1768	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
1769		2412
1770	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1771		2414
1772	# need to save uniques path	2415	# need to save uniques path
1773	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1774	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1775		2418
…		…
1777	if $uniq;	2420	if $uniq;
1778	}	2421	}
1779		2422
1780	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1781		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2427	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2428
1786	$self->unlink_save;	2429	$self->unlink_save;
1787	$self->destroy;	2430	$self->destroy;
1788	}	2431	}
1789		2432
1790	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1791		2434
1792	sub nuke {	2435	sub nuke {
1793	my ($self) = @_;	2436	my ($self) = @_;
1794		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1795	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1796		2442
1797	$self->unlink_save;	2443	$self->unlink_save;
1798		2444
1799	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2450
1805	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1806		2453
1807	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
1808	}	2455	}
1809		2456
1810	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
1852		2499
1853	sub unique_maps() {	2500	sub unique_maps() {
1854	[	2501	[
1855	map {	2502	map {
1856	utf8::decode $_;	2503	utf8::decode $_;
1857	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
1858	? normalise $_	2507	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2509	]
1862	}	2510	}
1863		2511
1864	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	}
1865		2543
1866	=back	2544	=back
1867		2545
1868	=head3 cf::object	2546	=head3 cf::object
1869		2547
…		…
1873		2551
1874	=over 4	2552	=over 4
1875		2553
1876	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1877		2555
1878	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.
1879		2558
1880	=cut	2559	=cut
1881		2560
1882	sub inv_recursive_;	2561	sub inv_recursive_;
1883	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1886		2565
1887	sub inv_recursive {	2566	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1889	}	2568	}
1890		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
1891	package cf;	2598	package cf;
1892		2599
1893	=back	2600	=back
1894		2601
1895	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1901	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>
1902	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
1903	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1904		2611
1905	=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	};
1906		2627
1907	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2629	# with dialog boxes.
1909	#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
1910	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1912		2633
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2635
1915	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1917	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1920	}	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 (@_);
1921	}	2661	}
1922		2662
1923	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1924		2664
1925	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1938		2678
1939	=item $player_object->enter_link	2679	=item $player_object->enter_link
1940		2680
1941	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}>).
1942		2682
1943	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.
1944	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.
1945		2687
1946	Will never block.	2688	Will never block.
1947		2689
1948	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1949		2691
…		…
1969	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2712	my ($self) = @_;
1971		2713
1972	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1973		2715
		2716	++$self->{_link_recursion};
		2717
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2719
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
1978		2722
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2724	}
1981		2725
1982	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
1984		2728
…		…
2001	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2003		2747
2004	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2007		2751
2008	$map->load;	2752	$map->load;
2009	$map->load_diag;
2010		2753
2011	return unless $self->contr->active;	2754	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2755
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2016	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2017		2763
		2764	}
		2765
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2767
2020	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
2021	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2022	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
2023	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 >>.
2024		2776
2025	=cut	2777	=cut
2026		2778
2027	our $GOTOGEN;	2779	our $GOTOGEN;
2028		2780
2029	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2030	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	}
2031		2789
2032	# 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
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2792
2035	$self->enter_link;	2793	$self->enter_link;
2036		2794
2037	(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
2038	my $map = eval {	2817	my $map = eval {
2039	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2040		2819
2041	if ($map) {	2820	if ($map) {
2042	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2823	} else {
2045	$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);
2046	}	2825	}
2047		2826
2048	$map	2827	$map
2049	};	2828	};
2050		2829
…		…
2055		2834
2056	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2059	}	2838	}
		2839
		2840	$done->($self) if $done;
2060	})->prio (1);	2841	})->prio (1);
2061	}	2842	}
2062		2843
2063	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2064		2845
…		…
2084	}	2865	}
2085		2866
2086	sub prepare_random_map {	2867	sub prepare_random_map {
2087	my ($exit) = @_;	2868	my ($exit) = @_;
2088		2869
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2872	# that depends on the exit object
2094		2873
2095	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2876	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2102	}	2883	}
2103		2884
2104	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2105		2886
2106	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2109		2890
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2893	undef $fh;
2113	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2114		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2117	}	2902	}
2118	}	2903	}
2119		2904
2120	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2122		2907
2123	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2124		2909
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2910	$self->enter_link;
2137		2911
2138	(async {	2912	(async {
2139	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2140	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
2141	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2142		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
2143	1;	2951	1
2144	}) {	2952	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "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. "
2147	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2957
2150	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	2959	$self->leave_link;
2152	}	2960	}
2153	})->prio (1);	2961	})->prio (1);
2154	}	2962	}
2155		2963
…		…
2169		2977
2170	utf8::encode $text;	2978	utf8::encode $text;
2171	$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);
2172	}	2980	}
2173		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
2174	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2175		3170
2176	Sends an exti event to the client.	3171	Sends an ext event to the client.
2177		3172
2178	=cut	3173	=cut
2179		3174
2180	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2182		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		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	}
2185	}	3202	}
2186		3203
2187	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2188		3205
2189	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2190	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>,
2191	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>.
2192		3209
2193	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
2194	reliable at some point in the future.	3211	become reliable at some point in the future.
2195		3212
2196	=cut	3213	=cut
2197		3214
2198	sub cf::client::query {	3215	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3224	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3226
2210	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2212	}	3231	}
2213		3232
2214	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2215	on_reply => sub {	3239	on_reply => sub {
2216	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2217		3241
2218	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2219	# get handled first	3243	# get handled first
…		…
2231	} else {	3255	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3257	}
2234	}	3258	}
2235	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($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	},
2236	);	3286	);
2237		3287
2238	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2239		3289
2240	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3306
2257	$coro	3307	$coro
2258	}	3308	}
2259		3309
2260	cf::client->attach (	3310	cf::client->attach (
2261	on_destroy => sub {	3311	on_client_destroy => sub {
2262	my ($ns) = @_;	3312	my ($ns) = @_;
2263		3313
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3315	},
2266	);	3316	);
…		…
2281	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2283		3333
2284	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2285		3335
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2287		3341
2288	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2289		3343
2290	=pod	3344	=pod
2291		3345
2292	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2293		3347
2294	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2295	cf::object::player player	3353	cf::object::player
2296	cf::player peaceful	3354	player
2297	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2298		3361
2299	=cut	3362	=cut
2300		3363
2301	for (	3364	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2306	) {	3371	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3374	for @funs;
2311	}	3375	}
2312		3376
…		…
2327		3391
2328	my $qcode = $code;	3392	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2331		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2332	local $_;	3399	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3400
2335	my $eval =	3401	my $eval =
2336	"do {\n"	3402	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3405	. $code
2340	. "\n}"	3406	. "\n}"
2341	;	3407	;
2342		3408
		3409	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2346		3418
2347	if ($@) {	3419	if ($@) {
2348	warn "$@";	3420	warn "$@",
2349	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2351	}	3423	}
2352		3424
2353	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2354	}	3426	}
2355		3427
…		…
2369	=cut	3441	=cut
2370		3442
2371	sub register_script_function {	3443	sub register_script_function {
2372	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2373		3445
2374	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2376	}	3448	}
2377		3449
2378	=back	3450	=back
2379		3451
2380	=cut	3452	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3453
2554	#############################################################################	3454	#############################################################################
2555	# the server's init and main functions	3455	# the server's init and main functions
2556		3456
2557	sub load_facedata($) {	3457	sub load_facedata($) {
2558	my ($path) = @_;	3458	my ($path) = @_;
2559		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
2560	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2561		3467
2562	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2563	0 < aio_load $path, $facedata
2564	or die "$path: $!";
2565
2566	$facedata = Coro::Storable::thaw $facedata;
2567		3469
2568	$facedata->{version} == 2	3470	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		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
2571	{	3482	{
2572	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2573		3484
2574	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2580	}	3495	}
2581		3496
2582	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2584	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2585	or next;	3501	or next;
		3502
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3506	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3508	}
2591	Coro::cede;	3509
		3510	cf::cede_to_tick;
2592	}	3511	}
2593	}	3512	}
2594		3513
2595	{	3514	{
2596	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2597		3516
2598	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3519	cf::cede_to_tick;
2601	}	3520	}
2602		3521
2603	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2604	}	3523	}
2605		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
2606	1	3544	1
2607	}	3545	}
2608		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
2609	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
2610	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2611	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	}
2612	}	3577	}
2613		3578
2614	sub reload_facedata {	3579	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2624	sub reload_treasures {	3589	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2627	}	3592	}
2628		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
2629	sub reload_resources {	3614	sub reload_resources {
2630	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2631		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2632	reload_regions;	3622	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3623	reload_treasures;
2637		3624
2638	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2639	}	3626	}
2640		3627
2641	sub init {	3628	sub reload_config {
2642	reload_resources;	3629	trace "reloading config file...\n";
2643	}
2644		3630
2645	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2647	or return;	3633	*CFG = decode_yaml $config;
2648		3634
2649	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;
2651
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3636
2654	$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};
2655	$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};
2656		3639
2657	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2661	};	3644	};
2662	warn $@ if $@;	3645	warn $@ if $@;
2663	}	3646	}
2664	}	3647	}
2665		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
2666	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
2667	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2669	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#
2670	(async {	3690	(async {
2671	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2673	};	3694	};
2674		3695
2675	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;
2676	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
2677	load_extensions;	3719	load_extensions;
2678		3720
2679	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2680	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;
2681	}	3739	}
2682		3740
2683	#############################################################################	3741	#############################################################################
2684	# initialisation and cleanup	3742	# initialisation and cleanup
2685		3743
2686	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2687	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2696	},
2697	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2698	}	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 };
2699	}	3840	}
2700		3841
2701	sub emergency_save() {	3842	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2703		3844
2704	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;
2705		3851
2706	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2707	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3863	$pl->save;
2715	}	3864	}
2716	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2717		3866
2718	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";
2719	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3872	$map->valid or next;
2722	$map->save;	3873	$map->save;
2723	}	3874	}
2724	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2725		3876
2726	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";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2728	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
2729	};	3905	};
2730		3906
2731	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2732	}	3908	}
2733		3909
2734	sub post_cleanup {	3910	sub post_cleanup {
2735	my ($make_core) = @_;	3911	my ($make_core) = @_;
2736		3912
		3913	IO::AIO::flush;
		3914
2737	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2738	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	}
2739	}	3945	}
2740		3946
2741	sub do_reload_perl() {	3947	sub do_reload_perl() {
2742	# can/must only be called in main	3948	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2744	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2745	return;	3951	return;
2746	}	3952	}
2747		3953
2748	warn "reloading...";	3954	return if $RELOAD++;
2749		3955
2750	warn "entering sync_job";	3956	my $t1 = AE::time;
2751		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2752	cf::sync_job {	3964	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	3965	#cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		3966
2757	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;
2759
2760	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	3969	%EXT_CORO = ();
2781		3970
2782	warn "removing commands";	3971	trace "perl_reload: removing commands";
2783	%COMMAND = ();	3972	%COMMAND = ();
2784		3973
2785	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2786	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2787		3977
2788	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2791		3981
2792	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2793	eval {	3983	eval {
2794	$cb->($pkg);	3984	$cb->($pkg);
2795	1	3985	1
2796	} 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;
2797	}	3991	}
2798		3992
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3996
2807	warn "... unloading $k";	3997	trace "... unloading $k";
2808	delete $INC{$k};	3998	delete $INC{$k};
2809		3999
2810	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2812		4002
2813	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2815	}	4008	}
2816		4009
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2822	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);
2823		4013
2824	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		4017
2828	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2829	# and global variables created in xs	4019	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2831		4021
2832	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2833		4023
2834	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2835	require cf;	4025	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2837		4027
2838	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2839	cf::cfg_load;	4029	cf::reload_config;
2840		4030
2841	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2842	cf::load_extensions;	4032	cf::load_extensions;
2843		4033
		4034	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2847	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2850		4042
2851	warn "leaving sync_job";	4043	cf::_post_init 1;
2852		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
2853	1	4047	1
2854	} or do {	4048	} or do {
2855	warn $@;	4049	error $@;
2856	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2857	exit 1;	4051	};
		4052
		4053	--$RELOAD;
2858	};	4054	}
2859		4055
2860	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
2861	};	4058	};
2862		4059
2863	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
2864		4061
2865	sub reload_perl() {	4062	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
2868		4065
2869	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	4068
2872	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	4070	do_reload_perl;
2875	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
2876	},	4072	};
2877	);	4073	};
2878	}	4074	}
2879		4075
2880	register_command "reload" => sub {	4076	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2882		4078
2883	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	4083	reload_perl;
		4084	};
2886	}	4085	}
2887	};	4086	};
2888		4087
2889	unshift @INC, $LIBDIR;	4088	#############################################################################
2890		4089
2891	my $bug_warning = 0;	4090	my $bug_warning = 0;
2892		4091
2893	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;
2895
2896	sub wait_for_tick {	4092	sub wait_for_tick() {
2897	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2898	return if $Coro::current == $Coro::main;
2899		4094
2900	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
2901	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;
2903	}	4096	}
2904		4097
2905	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
2906	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2907	return if $Coro::current == $Coro::main;
2908		4100
2909	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4103	$signal->wait;
2912	}	4104	}
2913		4105
2914	my $min = 1e6;#d#	4106	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2926	return;	4110	return;
2927	}	4111	}
2928		4112
2929	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
2930		4114
2931	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2932		4116
2933	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	4119	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
2937	or die;	4121	write_runtime_sync
2938		4122	or error "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4123	};
		4124	}
2955		4125
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4127	$sig->send;
2972	}	4128	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
2974	$sig->send;
2975	}
2976		4130
2977	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4133
2988	_post_tick;	4134	if (0) {
2989		4135	if ($NEXT_TICK) {
2990		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
2991	},	4140	}
2992	);	4141	}
2993		4142
2994	{	4143	{
2995	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4145
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3005		4147	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4149
3021	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3022	$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);
3023		4157
3024	cf::sync_job {	4158	cf::sync_job {
3025	eval {	4159	eval {
3026	BDB::db_env_open	4160	BDB::db_env_open
3027	$DB_ENV,	4161	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4165	0666;
3032		4166
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4168	};
3038		4169
3039	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4171	};
3041	}	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	};
3042	}	4183	}
3043		4184
3044	{	4185	{
		4186	# configure IO::AIO
		4187
3045	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4191	}
3058		4192
3059	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3060		4195
3061	sub _log_backtrace {	4196	sub _log_backtrace {
3062	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3063		4198
3064	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3065		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3066	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3068	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3069	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3070	my @bt = fork_call {	4212	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	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 |"
3074	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3082	}	4224	}
3083		4225
3084	@funcs	4226	@funcs
3085	};	4227	};
3086		4228
3087	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4232	--$_log_backtrace;
3090	};	4233	};
3091	} else {	4234	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3094	}	4237	}
3095	}	4238	}
3096		4239
3097	# load additional modules	4240	# load additional modules
3098	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3099		4243
3100	END { cf::emergency_save }	4244	END { cf::emergency_save }
3101		4245
3102	1	4246	1
3103		4247

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