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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	138	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		139
83	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
94		143
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		146
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
101		159
102	binmode STDOUT;	160	binmode STDOUT;
103	binmode STDERR;	161	binmode STDERR;
104		162
105	# read virtual server time, if available	163	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
110	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
111		171
112	mkdir $_	172	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		174
115	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
116		176
117	sub cf::map::normalise;	177	sub cf::map::normalise;
118		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
119	#############################################################################	183	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
122		197
123	=over 4	198	=over 4
124		199
125	=item $cf::UPTIME	200	=item $cf::UPTIME
126		201
127	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.
128		218
129	=item $cf::RUNTIME	219	=item $cf::RUNTIME
130		220
131	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
132	every server tick.	222	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
141	database environment.	231	database environment.
142		232
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	233	=item $cf::LOADAVG
152		234
153	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
158		240
159	The raw value load value from the last tick.	241	The raw value load value from the last tick.
160		242
161	=item %cf::CFG	243	=item %cf::CFG
162		244
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	246	from wherever your confdir points to.
165		247
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		249
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
172	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
173		272
174	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	275	that call.
177		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
178	=back	283	=back
179		284
180	=cut	285	=cut
181		286
182	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	294	my $msg = join "", @_;
185		295
186	$msg .= "\n"	296	$msg .= "\n"
187	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
188		298
189	$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;
190		300
191	utf8::encode $msg;
192	LOG llevError, $msg;	301	LOG llevWarn, $msg;
193	};	302	};
194	}	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	};
195		317
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	328	for my $pkg (qw(
207	cf::global cf::attachable	329	cf::global cf::attachable
208	cf::object cf::object::player	330	cf::object cf::object::player
209	cf::client cf::player	331	cf::client cf::player
210	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
211	cf::map cf::party cf::region	334	cf::party cf::region
212	)) {	335	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	337	}
216		338
217	$Event::DIED = sub {	339	$EV::DIED = sub {
218	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
219	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
220		347
221	#############################################################################	348	#############################################################################
222		349
223	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
224		351
…		…
245	$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;
246	$d	373	$d
247	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
248	}	375	}
249		376
		377	=item $scalar = load_file $path
		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
250	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
251		392
252	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
253		394
254	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
255		396
256	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
257		398
258	=cut	399	=cut
259		400
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		402
262	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[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	}
264		467
265	=item cf::lock_wait $string	468	=item cf::lock_wait $string
266		469
267	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
268		471
269	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
270		473
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
274	returned.	477	returned.
275		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
276	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
277	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
278		484
279	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
280		486
281	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.
282		488
283	=cut	489	=cut
284		490
285	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
286		492
287	sub lock_wait($) {	493	sub lock_wait($) {
288	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	495	}
296		496
297	sub lock_acquire($) {	497	sub lock_acquire($) {
298	my ($key) = @_;	498	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	499	}
310		500
311	sub lock_active($) {	501	sub lock_active($) {
312	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	503	}
316		504
317	sub freeze_mainloop {	505	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
319		507
320	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
321	$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	}
322	};	578	}
323	$TICK_WATCHER->stop;	579	};
324	$guard	580
		581	sub get_slot($;$$) {
		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;
325	}	594	}
326		595
327	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
328		597
329	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		603
335	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
336		605
337	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
338		607
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	611	acceptable.
343		612
344	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
345	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
…		…
349	=cut	618	=cut
350		619
351	sub sync_job(&) {	620	sub sync_job(&) {
352	my ($job) = @_;	621	my ($job) = @_;
353		622
354	if ($Coro::current == $Coro::main) {	623	if (in_main) {
355	my $time = Event::time;	624	my $time = AE::time;
356		625
357	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
359		628
360	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	630
362	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
363		632
364	my $busy = 1;	633	my $busy = 1;
365	my @res;	634	my @res;
366		635
367	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	638	@res = eval { $job->() };
369	warn $@ if $@;	639	error $@ if $@;
370	undef $busy;	640	undef $busy;
371	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
372		642
373	while ($busy) {	643	while ($busy) {
374	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
375	}	648	}
		649	}
376		650
377	$time = Event::time - $time;	651	my $time = AE::time - $time;
378		652
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
383		654
384	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
385	} else {	656	} else {
386	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
387		658
…		…
407	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
408		679
409	$coro	680	$coro
410	}	681	}
411		682
412	=item fork_call { }, $args	683	=item fork_call { }, @args
413		684
414	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
418		689
419	=cut	690	=cut
420		691
421	sub _store_scalar {	692	sub post_fork {
422	open my $fh, ">", \my $buf	693	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	694	}
429		695
430	sub fork_call(&@) {	696	sub fork_call(&@) {
431	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
432		698
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		702
438	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
439	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
440		707
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	709	}
443	$res = Coro::Storable::thaw $res;
444		710
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	747	}
473		748
474	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
475		750
476	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
479		754
480	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
483	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
484		784
485	our $DB;	785	our $DB;
486		786
487	sub db_init {	787	sub db_init {
488	unless ($DB) {	788	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	789	}
503		790
504	sub db_get($$) {	791	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
506		793
507	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
508	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
509		798
510	$! ? ()	799	$! ? ()
511	: $data	800	: $data
512	}
513	}	801	}
514		802
515	sub db_put($$$) {	803	sub db_put($$$) {
516	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		833
546	my @data;	834	my @data;
547	my $md5;	835	my $md5;
548		836
549	for (0 .. $#$src) {	837	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	839	}
553		840
554	# if processing is expensive, check	841	# if processing is expensive, check
555	# checksum first	842	# checksum first
556	if (1) {	843	if (1) {
557	$md5 =	844	$md5 =
558	join "\x00",	845	join "\x00",
559	$processversion,	846	$processversion,
560	map {	847	map {
561	Coro::cede;	848	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	850	} 0.. $#$src;
564		851
565		852
566	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		860
574	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	862	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
577		864
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		866
580	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
583		870
…		…
593		880
594	=cut	881	=cut
595		882
596	sub datalog($@) {	883	sub datalog($@) {
597	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	886	}
600		887
601	=back	888	=back
602		889
603	=cut	890	=cut
604		891
605	#############################################################################	892	#############################################################################
606		893
607	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
608		895
609	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
610	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")
611	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
612		899
613	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>
614	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
615	Crossfire TRT).	902	Deliantra).
616		903
617	=over 4	904	=over 4
618		905
619	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
620		907
…		…
664	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
665		952
666	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
668		955
669	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		958
672	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
673		960
674	=over 4	961	=over 4
…		…
798		1085
799	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1088
802	} elsif (ref $type) {	1089	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
804		1091
805	} else {	1092	} else {
806	shift @arg;	1093	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
808	}	1095	}
809	}	1096	}
810	}	1097	}
811		1098
812	sub _object_attach {	1099	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
823	}	1110	}
824		1111
825	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
826	} else {	1113	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1115	}
829		1116
830	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
831	}	1118	}
832		1119
…		…
891		1178
892	for (@$callbacks) {	1179	for (@$callbacks) {
893	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
894		1181
895	if ($@) {	1182	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1184	override;
899	}	1185	}
900		1186
901	return 1 if $override;	1187	return 1 if $override;
902	}	1188	}
903		1189
904	0	1190	0
905	}	1191	}
906		1192
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1194
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1196
911	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
912		1198
…		…
918		1204
919	=cut	1205	=cut
920		1206
921	#############################################################################	1207	#############################################################################
922	# object support	1208	# object support
923	#
924		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 $SLOW_MERGES;#d#
925	sub _can_merge {	1243	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
927		1245
928	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1247
932	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
933	}	1250	}
934		1251
935	sub reattach {	1252	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1254	my ($obj) = @_;
938		1255
		1256	# no longer needed after getting rid of delete_package?
939	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
940		1258
941	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
942		1260
943	@$registry = ();	1261	@$registry = ();
944		1262
…		…
949	for (@$attach) {	1267	for (@$attach) {
950	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
952	}	1270	}
953	} else {	1271	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1273	}
956	}	1274	}
957	}	1275	}
958		1276
959	cf::attachable->attach (	1277	cf::attachable->attach (
960	prio => -1000000,	1278	prio => -1000000,
961	on_instantiate => sub {	1279	on_instantiate => sub {
962	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
963		1281
964	$data = from_json $data;	1282	$data = decode_json $data;
965		1283
966	for (@$data) {	1284	for (@$data) {
967	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
968		1286
969	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1303	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
987		1305
988	sync_job {	1306	sync_job {
989	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
992		1312
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	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	}
997	close $fh;	1320	aio_close $fh;
998		1321
999	if (@$objs) {	1322	if (@$objs) {
1000	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) {
1001	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1004	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	}
1005	close $fh;	1331	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1333	}
1008	} else {	1334	} else {
1009	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1010	}	1336	}
1011		1337
1012	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1342	} else {
1014	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1015	}	1344	}
1016	} else {	1345	} else {
1017	aio_unlink $filename;	1346	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1019	}	1348	}
1020	}	1349	};
1021	}	1350	}
1022		1351
1023	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1025		1354
…		…
1037	or return;	1366	or return;
1038		1367
1039	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1370	or return;
		1371
1042	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1043	}	1374	}
1044		1375
		1376	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1047	return ($data, $av);	1381	($data, $av)
1048	}	1382	}
1049		1383
1050	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1051		1385
1052	=over 4	1386	=over 4
…		…
1106	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1107		1441
1108	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1109	}	1443	}
1110		1444
		1445	use File::Glob ();
		1446
1111	cf::player->attach (	1447	cf::player->attach (
1112	on_command => sub {	1448	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1114		1450
1115	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1116	or return;	1452	or return;
1117		1453
…		…
1125	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1126		1462
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1464
1129	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
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1135	} else {	1480	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1482	}
1138		1483
1139	cf::override;	1484	cf::override;
1140	},	1485	},
1141	);	1486	);
1142		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
1143	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1144	cf::sync_job {	1504	cf::sync_job {
1145	my %todo;	1505	my %todo;
1146		1506
1147	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1508	next unless -r $path;
…		…
1166		1526
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1529
1170	$ext{source} =	1530	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1173	. $source	1533	. $source
1174	. "\n};\n1";	1534	. "\n};\n1";
1175		1535
1176	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1177	}	1537	}
1178		1538
		1539	my $pass = 0;
1179	my %done;	1540	my %done;
1180	while (%todo) {	1541	while (%todo) {
1181	my $progress;	1542	my $progress;
1182		1543
		1544	++$pass;
		1545
		1546	ext:
1183	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1549	next ext
1186	unless exists $done{$_};	1550	unless exists $done{$_};
1187	}	1551	}
1188		1552
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1554
1191	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1196	warn $msg;	1562
1197	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1564	delete $todo{$k};
1199	}	1565	} else {
1200		1566	$done{$k} = delete $todo{$k};
1201	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1202	}	1572	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1573	}
1208		1574
1209	skip:	1575	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	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	}
1212	}	1585	}
1213	};	1586	};
1214	}	1587	}
1215		1588
1216	#############################################################################	1589	#############################################################################
1217		1590
1218	=back	1591	=back
1219		1592
1220	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1221		1594
1222	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1223		1596
1224	=cut	1597	=cut
1225		1598
1226	package cf::player;	1599	package cf::player;
1227		1600
1228	use Coro::AIO;	1601	use Coro::AIO;
1229		1602
1230	=head3 cf::player	1603	=head3 cf::player
1231		1604
1232	=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	}
1233		1620
1234	=item cf::player::find $login	1621	=item cf::player::find $login
1235		1622
1236	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1237		1624
…		…
1256		1643
1257	sub exists($) {	1644	sub exists($) {
1258	my ($login) = @_;	1645	my ($login) = @_;
1259		1646
1260	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1262	}	1649	}
1263		1650
1264	sub find($) {	1651	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1653	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1664
1278	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1279	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;
1280	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1281	}	1674	}
1282	}	1675	}
1283	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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	);
1284		1690
1285	sub save($) {	1691	sub save($) {
1286	my ($pl) = @_;	1692	my ($pl) = @_;
1287		1693
1288	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1294		1700
1295	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1297		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
1298	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1299	Coro::cede;	1710	cf::cede_to_tick;
1300	}	1711	}
1301		1712
1302	sub new($) {	1713	sub new($) {
1303	my ($login) = @_;	1714	my ($login) = @_;
1304		1715
…		…
1310	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1311		1722
1312	$self	1723	$self
1313	}	1724	}
1314		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
1315	=item $pl->quit_character	1736	=item $pl->quit_character
1316		1737
1317	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1319		1740
…		…
1323	my ($pl) = @_;	1744	my ($pl) = @_;
1324		1745
1325	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1326		1747
1327	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1328	$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
1329		1750
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1331	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1333	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1334		1759
1335	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1337	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1372	or return [];	1797	or return [];
1373		1798
1374	my @logins;	1799	my @logins;
1375		1800
1376	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") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1380		1811
1381	utf8::decode $login;	1812	utf8::decode $login;
1382	push @logins, $login;	1813	push @logins, $login;
1383	}	1814	}
1384		1815
1385	\@logins	1816	\@logins
1386	}	1817	}
1387		1818
1388	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1389		1822
1390	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1391	player. May block.	1824	player. May block.
1392		1825
1393	=cut	1826	=cut
…		…
1411	}	1844	}
1412		1845
1413	\@paths	1846	\@paths
1414	}	1847	}
1415		1848
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1850
1418	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1419		1852
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1467		1854
1468	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1469		1856
1470	=cut	1857	=cut
1471		1858
1472	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1474		1861
1475	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1863	}
1478		1864
1479	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1480		1866
1481	Sends an ext event to the client.	1867	Sends an ext event to the client.
1482		1868
1483	=cut	1869	=cut
1484		1870
1485	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1487		1873
1488	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1489	}	1875	}
1490		1876
1491	=head3 cf::region	1877	=head3 cf::region
1492		1878
1493	=over 4	1879	=over 4
…		…
1502		1888
1503	=cut	1889	=cut
1504		1890
1505	sub find_by_path($) {	1891	sub find_by_path($) {
1506	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1507		1895
1508	my ($match, $specificity);	1896	my ($match, $specificity);
1509		1897
1510	for my $region (list) {	1898	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1539		1927
1540	sub generate_random_map {	1928	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1542	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1543	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1555	)
1556	}	1934	}
1557		1935
1558	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1559		1937
1560	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
…		…
1565		1943
1566	sub register {	1944	sub register {
1567	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	1946	my $pkg = caller;
1569		1947
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		1949
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	1951	}
1575		1952
1576	# also paths starting with '/'	1953	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		1955
1579	sub thawer_merge {	1956	sub thawer_merge {
1580	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1581		1958
1582	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1587	}	1964	}
1588		1965
1589	sub normalise {	1966	sub normalise {
1590	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1591		1968
1592	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1593		1970
1594	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1595		1972
1596	# map plan:	1973	# map plan:
1597	#	1974	#
…		…
1612	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1613	$path = "$base/$path";	1990	$path = "$base/$path";
1614	}	1991	}
1615		1992
1616	for ($path) {	1993	for ($path) {
1617	redo if s{//}{/};
1618	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1619	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1620	}	1996	}
1621		1997
1622	$path	1998	$path
…		…
1636	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1637	return $self;	2013	return $self;
1638	}	2014	}
1639	}	2015	}
1640		2016
1641	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1642	()	2018	()
1643	}	2019	}
1644		2020
		2021	# may re-bless or do other evil things
1645	sub init {	2022	sub init {
1646	my ($self) = @_;	2023	my ($self) = @_;
1647		2024
1648	$self	2025	$self
1649	}	2026	}
…		…
1668		2045
1669	# the temporary/swap location	2046	# the temporary/swap location
1670	sub save_path {	2047	sub save_path {
1671	my ($self) = @_;	2048	my ($self) = @_;
1672		2049
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1675	}	2052	}
1676		2053
1677	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1678	sub uniq_path {	2055	sub uniq_path {
1679	my ($self) = @_;	2056	my ($self) = @_;
1680		2057
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	2060	}
1693		2061
1694	sub decay_objects {	2062	sub decay_objects {
1695	my ($self) = @_;	2063	my ($self) = @_;
1696		2064
…		…
1709		2077
1710	sub load_header_from($) {	2078	sub load_header_from($) {
1711	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1712		2080
1713	utf8::encode $path;	2081	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	2083	or return;
1719		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1720	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1721		2092
1722	1	2093	1
1723	}	2094	}
1724		2095
		2096	# used to laod the header of an original map
1725	sub load_header_orig {	2097	sub load_header_orig {
1726	my ($self) = @_;	2098	my ($self) = @_;
1727		2099
1728	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1729	}	2101	}
1730		2102
		2103	# used to laod the header of an instantiated map
1731	sub load_header_temp {	2104	sub load_header_temp {
1732	my ($self) = @_;	2105	my ($self) = @_;
1733		2106
1734	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1735	}	2108	}
1736		2109
		2110	# called after loading the header from an instantiated map
1737	sub prepare_temp {	2111	sub prepare_temp {
1738	my ($self) = @_;	2112	my ($self) = @_;
1739		2113
1740	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1741	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1742	# safety	2116	# safety
1743	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1744	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1745	}	2119	}
1746		2120
		2121	# called after loading the header from an original map
1747	sub prepare_orig {	2122	sub prepare_orig {
1748	my ($self) = @_;	2123	my ($self) = @_;
1749		2124
1750	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1751	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1775		2150
1776	sub find;	2151	sub find;
1777	sub find {	2152	sub find {
1778	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1779		2154
		2155	cf::cede_to_tick;
		2156
1780	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1781		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2161
1784	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1787	or return;	2164	or return;
1788		2165
1789	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1790		2167
…		…
1792	or return;	2169	or return;
1793		2170
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1797	$map->reset;	2176	$map->reset;
1798	undef $guard;
1799	return find $path;	2177	return find $path;
1800	}	2178	}
1801		2179
1802	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1803	}	2181	}
1804	}	2182	}
1805		2183
1806	sub pre_load { }	2184	sub pre_load { }
1807	sub post_load { }	2185	#sub post_load { } # XS
1808		2186
1809	sub load {	2187	sub load {
1810	my ($self) = @_;	2188	my ($self) = @_;
1811		2189
1812	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1813		2191
1814	my $path = $self->{path};	2192	my $path = $self->{path};
1815		2193
1816	{	2194	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1818		2196
		2197	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1820
1821	$self->in_memory (cf::MAP_LOADING);
1822		2199
1823	$self->alloc;	2200	$self->alloc;
1824		2201
1825	$self->pre_load;	2202	$self->pre_load;
1826	Coro::cede;	2203	cf::cede_to_tick;
1827		2204
1828	$self->_load_objects ($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)
1829	or return;	2209	or return;
1830		2210
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1832	if delete $self->{load_original};	2212	if delete $self->{load_original};
1833		2213
1834	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2215	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2218	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1839	}	2223	}
1840	}
1841		2224
1842	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;
1843	# now do the right thing for maps	2234	# now do the right thing for maps
1844	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2237	unless $self->difficulty;
1847	Coro::cede;	2238	cf::cede_to_tick;
1848		2239
1849	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2241	$self->decay_objects;
1851	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1852	$self->update_buttons;	2243	$self->update_buttons;
1853	Coro::cede;	2244	cf::cede_to_tick;
1854	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1855	Coro::cede;
1856	$self->activate;
1857	}	2246	}
1858		2247
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1860	}	2250	}
1861		2251
1862	$self->post_load;	2252	$self->post_load;
1863	}
1864		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1865	sub customise_for {	2260	sub customise_for {
1866	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1867		2262
1868	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2264	if $self->per_player;
…		…
1872	# if $self->per_party;	2267	# if $self->per_party;
1873		2268
1874	$self	2269	$self
1875	}	2270	}
1876		2271
1877	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {
1879	my ($map) = @_;
1880
1881	my @diag; # diagonal neighbours
1882
1883	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)
1885	or next;
1886	$neigh = find $neigh, $map
1887	or next;
1888	$neigh->load;
1889
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}
1893
1894	for (@diag) {
1895	my $neigh = find @$_
1896	or next;
1897	$neigh->load;
1898	}
1899	}
1900
1901	sub find_sync {	2272	sub find_sync {
1902	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1903		2274
1904	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, $origin
1905	}	2280	}
1906		2281
1907	sub do_load_sync {	2282	sub do_load_sync {
1908	my ($map) = @_;	2283	my ($map) = @_;
1909		2284
1910	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;
1911	}	2290	}
1912		2291
1913	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1915		2294
1916	sub find_async {	2295	sub find_async {
1917	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1918		2297
1919	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1920		2299
1921	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1923	}	2302	}
1924		2303
1925	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1926	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1927	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2311	if (my $map = find $k) {
1930	$map->load;	2312	$map->load if $v;
1931	}	2313	}
1932		2314
1933	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1934	}	2316	}
1935	}	2317	}
1936	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1937	};	2319	};
1938	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1939		2321
1940	()	2322	()
1941	}	2323	}
1942		2324
		2325	# common code, used by both ->save and ->swapout
1943	sub save {	2326	sub _save {
1944	my ($self) = @_;	2327	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2328
1948	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1949		2330
1950	return unless $self->dirty;	2331	return unless $self->dirty;
1951		2332
…		…
1957	return if $self->{deny_save};	2338	return if $self->{deny_save};
1958		2339
1959	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1960		2341
1961	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1963	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1964		2348
1965	if ($uniq) {	2349	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2352	} else {
1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1970	}	2354	}
1971	}	2355	}
1972		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1973	sub swap_out {	2365	sub swap_out {
1974	my ($self) = @_;	2366	my ($self) = @_;
1975		2367
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1981	return if $self->players;	2372	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		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
1985	$self->clear;	2383	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2384	}
1988		2385
1989	sub reset_at {	2386	sub reset_at {
1990	my ($self) = @_;	2387	my ($self) = @_;
1991		2388
…		…
2009		2406
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2408
2012	return if $self->players;	2409	return if $self->players;
2013		2410
2014	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
2015		2412
2016	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
2017		2414
2018	# need to save uniques path	2415	# need to save uniques path
2019	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
2020	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
2021		2418
…		…
2023	if $uniq;	2420	if $uniq;
2024	}	2421	}
2025		2422
2026	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
2027		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2427	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2428
2032	$self->unlink_save;	2429	$self->unlink_save;
2033	$self->destroy;	2430	$self->destroy;
2034	}	2431	}
2035		2432
2036	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
2037		2434
2038	sub nuke {	2435	sub nuke {
2039	my ($self) = @_;	2436	my ($self) = @_;
2040		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
2041	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2042		2442
2043	$self->unlink_save;	2443	$self->unlink_save;
2044		2444
2045	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2450
2051	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
2052		2453
2053	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
2054	}	2455	}
2055		2456
2056	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
2098		2499
2099	sub unique_maps() {	2500	sub unique_maps() {
2100	[	2501	[
2101	map {	2502	map {
2102	utf8::decode $_;	2503	utf8::decode $_;
2103	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2104	? normalise $_	2507	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2509	]
2108	}	2510	}
2109		2511
2110	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	}
2111		2543
2112	=back	2544	=back
2113		2545
2114	=head3 cf::object	2546	=head3 cf::object
2115		2547
…		…
2119		2551
2120	=over 4	2552	=over 4
2121		2553
2122	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2123		2555
2124	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.
2125		2558
2126	=cut	2559	=cut
2127		2560
2128	sub inv_recursive_;	2561	sub inv_recursive_;
2129	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2132		2565
2133	sub inv_recursive {	2566	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2135	}	2568	}
2136		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
2137	package cf;	2598	package cf;
2138		2599
2139	=back	2600	=back
2140		2601
2141	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2147	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>
2148	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
2149	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2150		2611
2151	=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	};
2152		2627
2153	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2629	# with dialog boxes.
2155	#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
2156	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2163		2638
2164	} else {	2639	} else {
2165	my $pl = $self->contr;	2640	my $pl = $self->contr;
2166		2641
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2645
2176	} else {	2646	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2649	}
2180	}	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 (@_);
2181	}	2661	}
2182		2662
2183	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
2184		2664
2185	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
2198		2678
2199	=item $player_object->enter_link	2679	=item $player_object->enter_link
2200		2680
2201	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}>).
2202		2682
2203	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.
2204	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.
2205		2687
2206	Will never block.	2688	Will never block.
2207		2689
2208	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2209		2691
…		…
2229	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2712	my ($self) = @_;
2231		2713
2232	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2233		2715
		2716	++$self->{_link_recursion};
		2717
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2719
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2238		2722
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2724	}
2241		2725
2242	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2244		2728
…		…
2261	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2263		2747
2264	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2267		2751
2268	$map->load;	2752	$map->load;
2269	$map->load_diag;
2270		2753
2271	return unless $self->contr->active;	2754	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2755
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2276	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2277		2763
		2764	}
		2765
2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2279		2767
2280	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
2281	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2282	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
2283	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2772	be called at the end of this process.
2285		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 >>.
		2776
2286	=cut	2777	=cut
2287		2778
2288	our $GOTOGEN;	2779	our $GOTOGEN;
2289		2780
2290	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2783
		2784	if ($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	}
		2789
2293	# 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
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2792
2296	$self->enter_link;	2793	$self->enter_link;
2297		2794
2298	(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
2299	my $map = eval {	2817	my $map = eval {
2300	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2301		2819
2302	if ($map) {	2820	if ($map) {
2303	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2823	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2825	}
2308		2826
2309	$map	2827	$map
2310	};	2828	};
2311		2829
…		…
2317	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2320	}	2838	}
2321		2839
2322	$done->() if $done;	2840	$done->($self) if $done;
2323	})->prio (1);	2841	})->prio (1);
2324	}	2842	}
2325		2843
2326	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2327		2845
…		…
2347	}	2865	}
2348		2866
2349	sub prepare_random_map {	2867	sub prepare_random_map {
2350	my ($exit) = @_;	2868	my ($exit) = @_;
2351		2869
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2872	# that depends on the exit object
2357		2873
2358	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2876	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2365	}	2883	}
2366		2884
2367	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2368		2886
2369	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2372		2890
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2893	undef $fh;
2376	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2377		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2380	}	2902	}
2381	}	2903	}
2382		2904
2383	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2385		2907
2386	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2387		2909
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2910	$self->enter_link;
2400		2911
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2912	(async {
2406	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2407	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
2408	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2409		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
2410	1;	2951	1
2411	}) {	2952	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "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. "
2414	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2957
2417	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	2959	$self->leave_link;
2419	}	2960	}
2420	})->prio (1);	2961	})->prio (1);
2421	}	2962	}
2422		2963
…		…
2434	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2435	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2436		2977
2437	utf8::encode $text;	2978	utf8::encode $text;
2438	$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);
		2980	}
		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);
2439	}	3005	}
2440		3006
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		3008
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2447		3013
2448	=cut	3014	=cut
2449		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" => $CHAT_CHANNEL,
		3128	);
		3129
2450	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3132
2453	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2454		3135
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
2457	if (ref $channel) {	3145	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	3149	$self->ext_msg (channel_info => $channel);
2462	}	3150	}
2463		3151
2464	$channel = $channel->{id};	3152	$channel = $channel->{id};
2465	}	3153	}
2466		3154
2467	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2468		3156
2469	if ($self->can_msg) {	3157	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	3159	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3160
2482	if ($color >= 0) {	3161	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	3162	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	3164	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2493	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2494		3170
2495	Sends an ext event to the client.	3171	Sends an ext event to the client.
2496		3172
2497	=cut	3173	=cut
2498		3174
2499	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2501		3177
2502	return unless $self->extcmd;	3178	if ($self->extcmd == 2) {
2503		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2506	}	3202	}
2507		3203
2508	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2509		3205
2510	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3261	my ($ns, $buf) = @_;
2566		3262
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3264
2569	if (ref $msg) {	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
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3273	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3274	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
2576	} else {	3280	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3282	}
2579		3283
2580	cf::override;	3284	cf::override;
2581	},	3285	},
2582	);	3286	);
…		…
2602		3306
2603	$coro	3307	$coro
2604	}	3308	}
2605		3309
2606	cf::client->attach (	3310	cf::client->attach (
2607	on_destroy => sub {	3311	on_client_destroy => sub {
2608	my ($ns) = @_;	3312	my ($ns) = @_;
2609		3313
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3315	},
2612	);	3316	);
…		…
2627	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2629		3333
2630	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2631		3335
2632	$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	));
2633		3341
2634	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2635		3343
2636	=pod	3344	=pod
2637		3345
2638	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2639		3347
2640	cf::object	3348	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3350	insert remove name archname title slaying race decrease split
		3351	value
2643		3352
2644	cf::object::player	3353	cf::object::player
2645	player	3354	player
2646		3355
2647	cf::player	3356	cf::player
…		…
2652		3361
2653	=cut	3362	=cut
2654		3363
2655	for (	3364	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2661	) {	3371	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3374	for @funs;
2666	}	3375	}
2667		3376
…		…
2682		3391
2683	my $qcode = $code;	3392	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2686		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2687	local $_;	3399	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3400
2690	my $eval =	3401	my $eval =
2691	"do {\n"	3402	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3405	. $code
2695	. "\n}"	3406	. "\n}"
2696	;	3407	;
2697		3408
		3409	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	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	}
2701		3418
2702	if ($@) {	3419	if ($@) {
2703	warn "$@";	3420	warn "$@",
2704	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2706	}	3423	}
2707		3424
2708	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2709	}	3426	}
2710		3427
…		…
2724	=cut	3441	=cut
2725		3442
2726	sub register_script_function {	3443	sub register_script_function {
2727	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2728		3445
2729	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2731	}	3448	}
2732		3449
2733	=back	3450	=back
2734		3451
2735	=cut	3452	=cut
…		…
2738	# the server's init and main functions	3455	# the server's init and main functions
2739		3456
2740	sub load_facedata($) {	3457	sub load_facedata($) {
2741	my ($path) = @_;	3458	my ($path) = @_;
2742		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
2743	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2744		3467
2745	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2746	0 < aio_load $path, $facedata
2747	or die "$path: $!";
2748
2749	$facedata = Coro::Storable::thaw $facedata;
2750		3469
2751	$facedata->{version} == 2	3470	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		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
2754	{	3482	{
2755	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2756		3484
2757	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2759	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2763		3493
2764	cf::cede_to_tick;	3494	cf::cede_to_tick;
2765	}	3495	}
2766		3496
2767	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2769	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2770	or next;	3501	or next;
		3502
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3506	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3508	}
2777		3509
2778	cf::cede_to_tick;	3510	cf::cede_to_tick;
2779	}	3511	}
2780	}	3512	}
…		…
2789		3521
2790	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2791	}	3523	}
2792		3524
2793	{	3525	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3527
2799	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3529	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3531
2808	if ($name =~ /\.jpg$/) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3533	cf::face::set_type $idx, $info->{type};
2811	} else {	3534	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3535	$RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3536	}
2818		3537
2819	cf::cede_to_tick;	3538	cf::cede_to_tick;
2820	}	3539	}
2821	}	3540	}
2822		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2823	1	3544	1
2824	}	3545	}
2825		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
2826	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
2827	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
2829		3572
2830	for (cf::region::list) {	3573	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3574	$_->{match} = qr/$_->{match}/
…		…
2839	}	3582	}
2840		3583
2841	sub reload_archetypes {	3584	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3587	}
2850		3588
2851	sub reload_treasures {	3589	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2854	}	3592	}
2855		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
2856	sub reload_resources {	3614	sub reload_resources {
2857	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2858		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2859	reload_regions;	3622	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3623	reload_treasures;
2864		3624
2865	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2866	}	3626	}
2867		3627
2868	sub init {	3628	sub reload_config {
2869	reload_resources;	3629	trace "reloading config file...\n";
2870	}
2871		3630
2872	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2874	or return;	3633	*CFG = decode_yaml $config;
2875		3634
2876	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;
2878
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3636
2881	$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};
2882	$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};
2883		3639
2884	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2888	};	3644	};
2889	warn $@ if $@;	3645	warn $@ if $@;
2890	}	3646	}
2891	}	3647	}
2892		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
2893	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
2894	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2896	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#
2897	(async {	3690	(async {
2898	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2900	};	3694	};
2901		3695
2902	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;
2903	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
2904	load_extensions;	3719	load_extensions;
2905		3720
2906	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2907	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	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2908	}	3738	}
2909		3739
2910	#############################################################################	3740	#############################################################################
2911	# initialisation and cleanup	3741	# initialisation and cleanup
2912		3742
2913	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2914	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2923	},
2924	);	3749	};
2925	}	3750	}
2926	}	3751	}
2927		3752
2928	sub write_runtime {	3753	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
2930		3755
2931	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
2933		3758
2934	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3760
2936	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
2937		3762
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3764	or return;
2940		3765
2941	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
2954		3779
2955	close $fh	3780	close $fh
2956	or return;	3781	or return;
2957		3782
2958	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3784	and return;
2960		3785
2961	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		3787
2963	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2964	}	3839	}
2965		3840
2966	sub emergency_save() {	3841	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2968		3843
2969	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2970		3850
2971	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2972	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3862	$pl->save;
2980	}	3863	}
2981	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2982		3865
2983	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3871	$map->valid or next;
2987	$map->save;	3872	$map->save;
2988	}	3873	}
2989	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2990		3875
2991	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2994	};	3904	};
2995		3905
2996	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2997	}	3907	}
2998		3908
2999	sub post_cleanup {	3909	sub post_cleanup {
3000	my ($make_core) = @_;	3910	my ($make_core) = @_;
3001		3911
		3912	IO::AIO::flush;
		3913
3002	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3004	}	3944	}
3005		3945
3006	sub do_reload_perl() {	3946	sub do_reload_perl() {
3007	# can/must only be called in main	3947	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3009	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3010	return;	3950	return;
3011	}	3951	}
3012		3952
3013	warn "reloading...";	3953	return if $RELOAD++;
3014		3954
3015	warn "entering sync_job";	3955	my $t1 = AE::time;
3016		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3017	cf::sync_job {	3963	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	3964	#cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		3965
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	3968	%EXT_CORO = ();
3046		3969
3047	warn "removing commands";	3970	trace "perl_reload: removing commands";
3048	%COMMAND = ();	3971	%COMMAND = ();
3049		3972
3050	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3051	%EXTCMD = ();	3974	%EXTCMD = ();
3052	%EXTICMD = ();	3975	%EXTICMD = ();
3053		3976
3054	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3057		3980
3058	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3059	eval {	3982	eval {
3060	$cb->($pkg);	3983	$cb->($pkg);
3061	1	3984	1
3062	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3063	}	3990	}
3064		3991
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3995
3073	warn "... unloading $k";	3996	trace "... unloading $k";
3074	delete $INC{$k};	3997	delete $INC{$k};
3075		3998
3076	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3078		4001
3079	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3081	}	4007	}
3082		4008
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		4012
3090	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		4016
3094	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3095	# and global variables created in xs	4018	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3097		4020
3098	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3099		4022
3100	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3101	require cf;	4024	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3103		4026
3104	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3105	cf::cfg_load;	4028	cf::reload_config;
3106		4029
3107	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3108	cf::load_extensions;	4031	cf::load_extensions;
3109		4032
		4033	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3113	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3116		4041
3117	warn "leaving sync_job";	4042	cf::_post_init 1;
3118		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3119	1	4046	1
3120	} or do {	4047	} or do {
3121	warn $@;	4048	error $@;
3122	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3123	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3124	};	4053	}
3125		4054
3126	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3127	};	4057	};
3128		4058
3129	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3130		4060
3131	sub reload_perl() {	4061	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3134		4064
3135	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4067
3138	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4069	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3142	},	4071	};
3143	);	4072	};
3144	}	4073	}
3145		4074
3146	register_command "reload" => sub {	4075	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3148		4077
3149	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4082	reload_perl;
		4083	};
3152	}	4084	}
3153	};	4085	};
3154		4086
3155	unshift @INC, $LIBDIR;	4087	#############################################################################
3156		4088
3157	my $bug_warning = 0;	4089	my $bug_warning = 0;
3158		4090
3159	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;
3161
3162	sub wait_for_tick {	4091	sub wait_for_tick() {
3163	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3164	return if $Coro::current == $Coro::main;
3165		4093
3166	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3167	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;
3169	}	4095	}
3170		4096
3171	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3172	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3173	return if $Coro::current == $Coro::main;
3174		4099
3175	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4102	$signal->wait;
3178	}	4103	}
3179		4104
3180	my $min = 1e6;#d#	4105	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3192	return;	4109	return;
3193	}	4110	}
3194		4111
3195	$NOW = $tick_start = Event::time;	4112	cf::one_tick; # one server iteration
3196		4113
3197	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3198		4115
3199	0 && sync_job {#d#	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	4118	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4119	$Coro::current->{desc} = "runtime saver";
3203	or die;	4120	write_runtime_sync
3204		4121	or error "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4122	};
		4123	}
3221		4124
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4126	$sig->send;
3238	}	4127	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3240	$sig->send;
3241	}
3242		4129
3243	$NOW = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4132
3254	_post_tick;	4133	if (0) {
3255		4134	if ($NEXT_TICK) {
3256		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
3257	},	4139	}
3258	);	4140	}
3259		4141
3260	{	4142	{
3261	BDB::max_poll_time $TICK * 0.1;	4143	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4144
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3271		4146	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4148
3287	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4156
3290	cf::sync_job {	4157	cf::sync_job {
3291	eval {	4158	eval {
3292	BDB::db_env_open	4159	BDB::db_env_open
3293	$DB_ENV,	4160	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4164	0666;
3298		4165
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4167	};
3304		4168
3305	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4170	};
3307	}	4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
3308	}	4182	}
3309		4183
3310	{	4184	{
		4185	# configure IO::AIO
		4186
3311	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4190	}
3324		4191
3325	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3326		4194
3327	sub _log_backtrace {	4195	sub _log_backtrace {
3328	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3329		4197
3330	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3331		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3332	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3334	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3335	async {	4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
3336	my @bt = fork_call {	4211	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4215	or die "addr2line: $!";
…		…
3348	}	4223	}
3349		4224
3350	@funcs	4225	@funcs
3351	};	4226	};
3352		4227
3353	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4231	--$_log_backtrace;
3356	};	4232	};
3357	} else {	4233	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3360	}	4236	}
3361	}	4237	}
3362		4238
3363	# load additional modules	4239	# load additional modules
3364	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3365		4242
3366	END { cf::emergency_save }	4243	END { cf::emergency_save }
3367		4244
3368	1	4245	1
3369		4246

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