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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.344 by root, Mon Aug 27 02:43:38 2007 UTC vs.
Revision 1.589 by root, Sun Nov 4 01:01:13 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
60		95
61	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
63		100
64	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
69	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
81	our $NOW;	143	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		144
84	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
95		148
96	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		151
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
102		164
103	binmode STDOUT;	165	binmode STDOUT;
104	binmode STDERR;	166	binmode STDERR;
105		167
106	# read virtual server time, if available	168	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
111	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
112		176
113	mkdir $_	177	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		179
116	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
117		181
118	sub cf::map::normalise;	182	sub cf::map::normalise;
119		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
120	#############################################################################	188	#############################################################################
121		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
122	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
123		202
124	=over 4	203	=over 4
125		204
126	=item $cf::UPTIME	205	=item $cf::UPTIME
127		206
128	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
129		223
130	=item $cf::RUNTIME	224	=item $cf::RUNTIME
131		225
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	227	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
142	database environment.	236	database environment.
143		237
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	238	=item $cf::LOADAVG
153		239
154	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
159		245
160	The raw value load value from the last tick.	246	The raw value load value from the last tick.
161		247
162	=item %cf::CFG	248	=item %cf::CFG
163		249
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	251	from wherever your confdir points to.
166		252
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		254
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
173	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
174		277
175	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	280	that call.
178		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
179	=back	288	=back
180		289
181	=cut	290	=cut
182		291
183	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	299	my $msg = join "", @_;
186		300
187	$msg .= "\n"	301	$msg .= "\n"
188	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
189		303
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		305
192	utf8::encode $msg;
193	LOG llevError, $msg;	306	LOG llevWarn, $msg;
194	};	307	};
195	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
196		322
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	333	for my $pkg (qw(
208	cf::global cf::attachable	334	cf::global cf::attachable
209	cf::object cf::object::player	335	cf::object cf::object::player
210	cf::client cf::player	336	cf::client cf::player
211	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
212	cf::map cf::party cf::region	339	cf::party cf::region
213	)) {	340	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	342	}
217		343
218	$Event::DIED = sub {	344	$EV::DIED = sub {
219	warn "error in event callback: @_";	345	warn "error in event callback: $@";
220	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
221		352
222	#############################################################################	353	#############################################################################
223		354
224	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
225		356
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	378	$d
248	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
249	}	380	}
250		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
251	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
252		435
253	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
254		437
255	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
256		439
257	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
258		441
259	=cut	442	=cut
260		443
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		445
263	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
265		510
266	=item cf::lock_wait $string	511	=item cf::lock_wait $string
267		512
268	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
269		514
270	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
271		516
272	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
275	returned.	520	returned.
276		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
277	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
279		527
280	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
281		529
282	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
283		531
284	=cut	532	=cut
285		533
286	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
287		535
288	sub lock_wait($) {	536	sub lock_wait($) {
289	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	538	}
297		539
298	sub lock_acquire($) {	540	sub lock_acquire($) {
299	my ($key) = @_;	541	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	542	}
311		543
312	sub lock_active($) {	544	sub lock_active($) {
313	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	546	}
317		547
318	sub freeze_mainloop {	548	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
320		550
321	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	552	}
323	};	553
324	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
325	$guard	555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
326	}	567	}
327		568
328	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
329		570
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
333		578
334	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
336		581
337	Useful for short background jobs.	582	Useful for short background jobs.
338		583
339	=cut	584	=cut
340		585
341	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
343		589
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
346	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
347		596
348	while () {	597	while () {
349	next_job:	598	next_job:
		599
350	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	601
352	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	606	$job->[2]->send;
356	Coro::cede;	607	Coro::cede;
357	goto next_job;	608	goto next_job;
358	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	611	}
360	}	612	}
361		613
362	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	617	} else {
		618	$busy = 0;
367	Coro::schedule;	619	Coro::schedule;
368	}	620	}
369	}	621	}
370	};	622	};
371		623
372	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
373	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
374		628
375	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
376	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
377		632
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
391		646
392	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
393		648
394	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
395		650
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	654	acceptable.
400		655
401	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	661	=cut
407		662
408	sub sync_job(&) {	663	sub sync_job(&) {
409	my ($job) = @_;	664	my ($job) = @_;
410		665
411	if ($Coro::current == $Coro::main) {	666	if (in_main) {
412	my $time = Event::time;	667	my $time = AE::time;
413		668
414	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
416		671
417	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	673
419	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
420		675
421	my $busy = 1;	676	my $busy = 1;
422	my @res;	677	my @res;
423		678
424	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	681	@res = eval { $job->() };
426	warn $@ if $@;	682	error $@ if $@;
427	undef $busy;	683	undef $busy;
428	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
429		685
430	while ($busy) {	686	while ($busy) {
431	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
432	}	691	}
		692	}
433		693
434	$time = Event::time - $time;	694	my $time = AE::time - $time;
435		695
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
440		697
441	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
442	} else {	699	} else {
443	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
444		701
…		…
464	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
465		722
466	$coro	723	$coro
467	}	724	}
468		725
469	=item fork_call { }, $args	726	=item fork_call { }, @args
470		727
471	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
475		732
476	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
477		738
478	sub fork_call(&@) {	739	sub fork_call(&@) {
479	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
480		741
481	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
484		745
485	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
486	reset_signals;	747	cf::post_fork;
487	&$cb	748	&$cb
488	}, @args;	749	} @args;
489		750
490	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
491	}	790	}
492		791
493	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
494		793
495	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
498		797
499	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
502	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
503		827
504	our $DB;	828	our $DB;
505		829
506	sub db_init {	830	sub db_init {
507	unless ($DB) {	831	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	832	}
522		833
523	sub db_get($$) {	834	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
525		836
526	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
527	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
528		841
529	$! ? ()	842	$! ? ()
530	: $data	843	: $data
531	}
532	}	844	}
533		845
534	sub db_put($$$) {	846	sub db_put($$$) {
535	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		876
565	my @data;	877	my @data;
566	my $md5;	878	my $md5;
567		879
568	for (0 .. $#$src) {	880	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	882	}
572		883
573	# if processing is expensive, check	884	# if processing is expensive, check
574	# checksum first	885	# checksum first
575	if (1) {	886	if (1) {
576	$md5 =	887	$md5 =
577	join "\x00",	888	join "\x00",
578	$processversion,	889	$processversion,
579	map {	890	map {
580	Coro::cede;	891	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	893	} 0.. $#$src;
583		894
584		895
585	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		903
593	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	905	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
596		907
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		909
599	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
602		913
…		…
612		923
613	=cut	924	=cut
614		925
615	sub datalog($@) {	926	sub datalog($@) {
616	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	929	}
619		930
620	=back	931	=back
621		932
622	=cut	933	=cut
623		934
624	#############################################################################	935	#############################################################################
625		936
626	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
627		938
628	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
631		942
632	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	945	Deliantra).
635		946
636	=over 4	947	=over 4
637		948
638	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
639		950
…		…
683	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
684		995
685	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
687		998
688	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
690		1001
691	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
692		1003
693	=over 4	1004	=over 4
…		…
817		1128
818	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1131
821	} elsif (ref $type) {	1132	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
823		1134
824	} else {	1135	} else {
825	shift @arg;	1136	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
827	}	1138	}
828	}	1139	}
829	}	1140	}
830		1141
831	sub _object_attach {	1142	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
842	}	1153	}
843		1154
844	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
845	} else {	1156	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1158	}
848		1159
849	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
850	}	1161	}
851		1162
…		…
910		1221
911	for (@$callbacks) {	1222	for (@$callbacks) {
912	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
913		1224
914	if ($@) {	1225	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1227	override;
918	}	1228	}
919		1229
920	return 1 if $override;	1230	return 1 if $override;
921	}	1231	}
922		1232
923	0	1233	0
924	}	1234	}
925		1235
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1237
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1239
930	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
931		1241
…		…
937		1247
938	=cut	1248	=cut
939		1249
940	#############################################################################	1250	#############################################################################
941	# object support	1251	# object support
942	#
943		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
944	sub _can_merge {	1286	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1287	my ($ob1, $ob2) = @_;
946		1288
947	local $Storable::canonical = 1;	1289	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1290
951	$fob1 eq $fob2	1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
952	}	1293	}
953		1294
954	sub reattach {	1295	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1297	my ($obj) = @_;
957		1298
		1299	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1301
960	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
961		1303
962	@$registry = ();	1304	@$registry = ();
963		1305
…		…
968	for (@$attach) {	1310	for (@$attach) {
969	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
971	}	1313	}
972	} else {	1314	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1316	}
975	}	1317	}
976	}	1318	}
977		1319
978	cf::attachable->attach (	1320	cf::attachable->attach (
979	prio => -1000000,	1321	prio => -1000000,
980	on_instantiate => sub {	1322	on_instantiate => sub {
981	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
982		1324
983	$data = from_json $data;	1325	$data = decode_json $data;
984		1326
985	for (@$data) {	1327	for (@$data) {
986	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
987		1329
988	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1346	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1006		1348
1007	sync_job {	1349	sync_job {
1008	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1011		1355
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1016	close $fh;	1363	aio_close $fh;
1017		1364
1018	if (@$objs) {	1365	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1024	close $fh;	1374	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1376	}
1027	} else {	1377	} else {
1028	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1029	}	1379	}
1030		1380
1031	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1385	} else {
1033	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1034	}	1387	}
1035	} else {	1388	} else {
1036	aio_unlink $filename;	1389	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1038	}	1391	}
1039	}	1392	};
1040	}	1393	}
1041		1394
1042	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1044		1397
…		…
1056	or return;	1409	or return;
1057		1410
1058	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1413	or return;
		1414
1061	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1062	}	1417	}
1063		1418
		1419	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1066	return ($data, $av);	1424	($data, $av)
1067	}	1425	}
1068		1426
1069	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1070		1428
1071	=over 4	1429	=over 4
…		…
1125	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1126		1484
1127	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1128	}	1486	}
1129		1487
		1488	use File::Glob ();
		1489
1130	cf::player->attach (	1490	cf::player->attach (
1131	on_command => sub {	1491	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1133		1493
1134	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1135	or return;	1495	or return;
1136		1496
…		…
1144	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1145		1505
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1507
1148	if (ref $msg) {	1508	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1510
1154	my @reply;	1511	my @reply;
1155		1512
1156	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1157	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1159		1516
1160	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1518	if $reply;
1162		1519
1163	} else {	1520	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1522	}
1166		1523
1167	cf::override;	1524	cf::override;
1168	},	1525	},
1169	);	1526	);
1170		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1171	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1172	cf::sync_job {	1557	cf::sync_job {
1173	my %todo;	1558	my %todo;
1174		1559
1175	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1561	next unless -r $path;
…		…
1194		1579
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1582
1198	$ext{source} =	1583	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1201	. $source	1586	. $source
1202	. "\n};\n1";	1587	. "\n};\n1";
1203		1588
1204	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1205	}	1590	}
1206		1591
		1592	my $pass = 0;
1207	my %done;	1593	my %done;
1208	while (%todo) {	1594	while (%todo) {
1209	my $progress;	1595	my $progress;
1210		1596
		1597	++$pass;
		1598
		1599	ext:
1211	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1602	next ext
1214	unless exists $done{$_};	1603	unless exists $done{$_};
1215	}	1604	}
1216		1605
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1607
1219	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1224	warn $msg;	1624
1225	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1626	delete $todo{$k};
1227	}	1627	} else {
1228		1628	$done{$k} = delete $todo{$k};
1229	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1230	}	1634	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1635	}
1236		1636
1237	skip:	1637	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1240	}	1647	}
1241	};	1648	};
1242	}	1649	}
1243		1650
1244	#############################################################################	1651	#############################################################################
1245		1652
1246	=back	1653	=back
1247		1654
1248	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1249		1656
1250	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1251		1658
1252	=cut	1659	=cut
1253		1660
1254	package cf::player;	1661	package cf::player;
1255		1662
1256	use Coro::AIO;	1663	use Coro::AIO;
1257		1664
1258	=head3 cf::player	1665	=head3 cf::player
1259		1666
1260	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1261		1682
1262	=item cf::player::find $login	1683	=item cf::player::find $login
1263		1684
1264	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1265		1686
…		…
1284		1705
1285	sub exists($) {	1706	sub exists($) {
1286	my ($login) = @_;	1707	my ($login) = @_;
1287		1708
1288	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1290	}	1711	}
1291		1712
1292	sub find($) {	1713	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1715	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1726
1306	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1309	}	1736	}
1310	}	1737	}
1311	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1312		1752
1313	sub save($) {	1753	sub save($) {
1314	my ($pl) = @_;	1754	my ($pl) = @_;
1315		1755
1316	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1322		1762
1323	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1325		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1326	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1327	Coro::cede;	1772	cf::cede_to_tick;
1328	}	1773	}
1329		1774
1330	sub new($) {	1775	sub new($) {
1331	my ($login) = @_;	1776	my ($login) = @_;
1332		1777
…		…
1361	my ($pl) = @_;	1806	my ($pl) = @_;
1362		1807
1363	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1364		1809
1365	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1812
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1371	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1372		1821
1373	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1410	or return [];	1859	or return [];
1411		1860
1412	my @logins;	1861	my @logins;
1413		1862
1414	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1418		1873
1419	utf8::decode $login;	1874	utf8::decode $login;
1420	push @logins, $login;	1875	push @logins, $login;
1421	}	1876	}
1422		1877
1423	\@logins	1878	\@logins
1424	}	1879	}
1425		1880
1426	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1427		1884
1428	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1429	player. May block.	1886	player. May block.
1430		1887
1431	=cut	1888	=cut
…		…
1449	}	1906	}
1450		1907
1451	\@paths	1908	\@paths
1452	}	1909	}
1453		1910
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1912
1456	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1914
1504	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1505		1916
1506	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1507		1918
…		…
1539		1950
1540	=cut	1951	=cut
1541		1952
1542	sub find_by_path($) {	1953	sub find_by_path($) {
1543	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1544		1957
1545	my ($match, $specificity);	1958	my ($match, $specificity);
1546		1959
1547	for my $region (list) {	1960	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1576		1989
1577	sub generate_random_map {	1990	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1580	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	1996	}
1594		1997
1595	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1596		1999
1597	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1602		2005
1603	sub register {	2006	sub register {
1604	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	2008	my $pkg = caller;
1606		2009
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		2011
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	2013	}
1612		2014
1613	# also paths starting with '/'	2015	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		2017
1616	sub thawer_merge {	2018	sub thawer_merge {
1617	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1618		2020
1619	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1624	}	2026	}
1625		2027
1626	sub normalise {	2028	sub normalise {
1627	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1628		2030
1629	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1630		2032
1631	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1632		2034
1633	# map plan:	2035	# map plan:
1634	#	2036	#
…		…
1649	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	2052	$path = "$base/$path";
1651	}	2053	}
1652		2054
1653	for ($path) {	2055	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1657	}	2058	}
1658		2059
1659	$path	2060	$path
…		…
1673	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1674	return $self;	2075	return $self;
1675	}	2076	}
1676	}	2077	}
1677		2078
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2080	()
1680	}	2081	}
1681		2082
		2083	# may re-bless or do other evil things
1682	sub init {	2084	sub init {
1683	my ($self) = @_;	2085	my ($self) = @_;
1684		2086
1685	$self	2087	$self
1686	}	2088	}
…		…
1705		2107
1706	# the temporary/swap location	2108	# the temporary/swap location
1707	sub save_path {	2109	sub save_path {
1708	my ($self) = @_;	2110	my ($self) = @_;
1709		2111
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1712	}	2114	}
1713		2115
1714	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1715	sub uniq_path {	2117	sub uniq_path {
1716	my ($self) = @_;	2118	my ($self) = @_;
1717		2119
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2122	}
1730		2123
1731	sub decay_objects {	2124	sub decay_objects {
1732	my ($self) = @_;	2125	my ($self) = @_;
1733		2126
…		…
1746		2139
1747	sub load_header_from($) {	2140	sub load_header_from($) {
1748	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1749		2142
1750	utf8::encode $path;	2143	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2145	or return;
1756		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1757	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1758		2154
1759	1	2155	1
1760	}	2156	}
1761		2157
		2158	# used to laod the header of an original map
1762	sub load_header_orig {	2159	sub load_header_orig {
1763	my ($self) = @_;	2160	my ($self) = @_;
1764		2161
1765	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1766	}	2163	}
1767		2164
		2165	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2166	sub load_header_temp {
1769	my ($self) = @_;	2167	my ($self) = @_;
1770		2168
1771	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1772	}	2170	}
1773		2171
		2172	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2173	sub prepare_temp {
1775	my ($self) = @_;	2174	my ($self) = @_;
1776		2175
1777	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1779	# safety	2178	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2181	}
1783		2182
		2183	# called after loading the header from an original map
1784	sub prepare_orig {	2184	sub prepare_orig {
1785	my ($self) = @_;	2185	my ($self) = @_;
1786		2186
1787	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2212
1813	sub find;	2213	sub find;
1814	sub find {	2214	sub find {
1815	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1816		2216
		2217	cf::cede_to_tick;
		2218
1817	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1818		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2223
1821	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1824	or return;	2226	or return;
1825		2227
1826	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1827		2229
…		…
1829	or return;	2231	or return;
1830		2232
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1834	$map->reset;	2238	$map->reset;
1835	undef $guard;
1836	return find $path;	2239	return find $path;
1837	}	2240	}
1838		2241
1839	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1840	}	2243	}
1841	}	2244	}
1842		2245
1843	sub pre_load { }	2246	sub pre_load { }
1844	sub post_load { }	2247	#sub post_load { } # XS
1845		2248
1846	sub load {	2249	sub load {
1847	my ($self) = @_;	2250	my ($self) = @_;
1848		2251
1849	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1850		2253
1851	my $path = $self->{path};	2254	my $path = $self->{path};
1852		2255
1853	{	2256	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1855		2258
		2259	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1857
1858	$self->in_memory (cf::MAP_LOADING);
1859		2261
1860	$self->alloc;	2262	$self->alloc;
1861		2263
1862	$self->pre_load;	2264	$self->pre_load;
1863	Coro::cede;	2265	cf::cede_to_tick;
1864		2266
1865	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1866	or return;	2271	or return;
1867		2272
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1869	if delete $self->{load_original};	2274	if delete $self->{load_original};
1870		2275
1871	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2277	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2280	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1876	}	2285	}
1877	}
1878		2286
1879	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1880	# now do the right thing for maps	2296	# now do the right thing for maps
1881	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2299	unless $self->difficulty;
1884	Coro::cede;	2300	cf::cede_to_tick;
1885		2301
1886	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2303	$self->decay_objects;
1888	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1889	$self->update_buttons;	2305	$self->update_buttons;
1890	Coro::cede;	2306	cf::cede_to_tick;
1891	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1892	Coro::cede;
1893	$self->activate;
1894	}	2308	}
1895		2309
1896	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
1898
1899	$self->in_memory (cf::MAP_IN_MEMORY);
1900	}	2312	}
1901		2313
1902	$self->post_load;	2314	$self->post_load;
1903	}
1904		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2322	sub customise_for {
1906	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1907		2324
1908	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2326	if $self->per_player;
…		…
1912	# if $self->per_party;	2329	# if $self->per_party;
1913		2330
1914	$self	2331	$self
1915	}	2332	}
1916		2333
1917	# find and load all maps in the 3x3 area around a map
1918	sub load_neighbours {
1919	my ($map) = @_;
1920
1921	my @neigh; # diagonal neighbours
1922
1923	for (0 .. 3) {
1924	my $neigh = $map->tile_path ($_)
1925	or next;
1926	$neigh = find $neigh, $map
1927	or next;
1928	$neigh->load;
1929
1930	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}
1934
1935	for (grep defined $_->[0], @neigh) {
1936	my ($path, $origin) = @$_;
1937	my $neigh = find $path, $origin
1938	or next;
1939	$neigh->load;
1940	}
1941	}
1942
1943	sub find_sync {	2334	sub find_sync {
1944	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1945		2336
1946	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1947	}	2342	}
1948		2343
1949	sub do_load_sync {	2344	sub do_load_sync {
1950	my ($map) = @_;	2345	my ($map) = @_;
1951		2346
		2347	# it's a bug to call this from the main context
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
1954		2350
1955	cf::sync_job { $map->load };	2351	$map->load;
1956	}	2352	}
1957		2353
1958	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1960		2356
1961	sub find_async {	2357	sub find_async {
1962	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
1963		2359
1964	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1965		2361
1966	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1968	}	2364	}
1969		2365
1970	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
1971		2367
1972	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1973	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2373	if (my $map = find $k) {
1976	$map->load if $v;	2374	$map->load if $v;
1977	}	2375	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1985		2383
1986	()	2384	()
1987	}	2385	}
1988		2386
		2387	# common code, used by both ->save and ->swapout
1989	sub save {	2388	sub _save {
1990	my ($self) = @_;	2389	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2390
1994	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1995		2392
1996	return unless $self->dirty;	2393	return unless $self->dirty;
1997		2394
…		…
2003	return if $self->{deny_save};	2400	return if $self->{deny_save};
2004		2401
2005	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
2006		2403
2007	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2009	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2010		2410
2011	if ($uniq) {	2411	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2414	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2416	}
2017	}	2417	}
2018		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2019	sub swap_out {	2427	sub swap_out {
2020	my ($self) = @_;	2428	my ($self) = @_;
2021		2429
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2027	return if $self->players;	2434	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
2031	$self->clear;	2445	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2446	}
2034		2447
2035	sub reset_at {	2448	sub reset_at {
2036	my ($self) = @_;	2449	my ($self) = @_;
2037		2450
…		…
2055		2468
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2470
2058	return if $self->players;	2471	return if $self->players;
2059		2472
2060	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
2061		2474
2062	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
2063		2476
2064	# need to save uniques path	2477	# need to save uniques path
2065	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2066	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2067		2480
…		…
2069	if $uniq;	2482	if $uniq;
2070	}	2483	}
2071		2484
2072	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2073		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2489	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2490
2078	$self->unlink_save;	2491	$self->unlink_save;
2079	$self->destroy;	2492	$self->destroy;
2080	}	2493	}
2081		2494
2082	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2083		2496
2084	sub nuke {	2497	sub nuke {
2085	my ($self) = @_;	2498	my ($self) = @_;
2086		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2087	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2088		2504
2089	$self->unlink_save;	2505	$self->unlink_save;
2090		2506
2091	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2512
2097	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2098		2515
2099	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2100	}	2517	}
2101		2518
2102	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2144		2561
2145	sub unique_maps() {	2562	sub unique_maps() {
2146	[	2563	[
2147	map {	2564	map {
2148	utf8::decode $_;	2565	utf8::decode $_;
2149	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2150	? normalise $_	2569	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2571	]
2154	}	2572	}
2155		2573
2156	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2157		2605
2158	=back	2606	=back
2159		2607
2160	=head3 cf::object	2608	=head3 cf::object
2161		2609
…		…
2165		2613
2166	=over 4	2614	=over 4
2167		2615
2168	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2169		2617
2170	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2171		2620
2172	=cut	2621	=cut
2173		2622
2174	sub inv_recursive_;	2623	sub inv_recursive_;
2175	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2178		2627
2179	sub inv_recursive {	2628	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2181	}	2630	}
2182		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2183	package cf;	2660	package cf;
2184		2661
2185	=back	2662	=back
2186		2663
2187	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2196		2673
2197	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2198		2689
2199	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2691	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2707
2217	} else {	2708	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2711	}
2221	}	2712	}
2222	}	2713	}
2223		2714
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2740
2250	=item $player_object->enter_link	2741	=item $player_object->enter_link
2251		2742
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2744
2254	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2256		2749
2257	Will never block.	2750	Will never block.
2258		2751
2259	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2260		2753
…		…
2280	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2774	my ($self) = @_;
2282		2775
2283	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2284		2777
		2778	++$self->{_link_recursion};
		2779
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2781
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2289		2784
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2786	}
2292		2787
2293	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2295		2790
…		…
2312	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2314		2809
2315	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2318		2813
2319	$map->load;	2814	$map->load;
2320	$map->load_neighbours;
2321		2815
2322	return unless $self->contr->active;	2816	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2817
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2327	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2328		2825
		2826	}
		2827
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2829
2331	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2834	be called at the end of this process.
2336		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2337	=cut	2839	=cut
2338		2840
2339	our $GOTOGEN;	2841	our $GOTOGEN;
2340		2842
2341	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
2344	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2854
2347	$self->enter_link;	2855	$self->enter_link;
2348		2856
2349	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2350	my $map = eval {	2879	my $map = eval {
2351	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2352		2881
2353	if ($map) {	2882	if ($map) {
2354	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2885	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2887	}
2359		2888
2360	$map	2889	$map
2361	};	2890	};
2362		2891
…		…
2368	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2371	}	2900	}
2372		2901
2373	$done->() if $done;	2902	$done->($self) if $done;
2374	})->prio (1);	2903	})->prio (1);
2375	}	2904	}
2376		2905
2377	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2378		2907
…		…
2398	}	2927	}
2399		2928
2400	sub prepare_random_map {	2929	sub prepare_random_map {
2401	my ($exit) = @_;	2930	my ($exit) = @_;
2402		2931
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2934	# that depends on the exit object
2408		2935
2409	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2938	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2416	}	2945	}
2417		2946
2418	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2419		2948
2420	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2423		2952
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2955	undef $fh;
2427	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2428		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2431	}	2964	}
2432	}	2965	}
2433		2966
2434	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2436		2969
2437	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2438		2971
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2972	$self->enter_link;
2451		2973
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2974	(async {
2457	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2458	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2459	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2460		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2461	1;	3013	1
2462	}) {	3014	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2467		3019
2468	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	3021	$self->leave_link;
2470	}	3022	}
2471	})->prio (1);	3023	})->prio (1);
2472	}	3024	}
2473		3025
…		…
2485	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2487		3039
2488	utf8::encode $text;	3040	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2490	}	3067	}
2491		3068
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		3070
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2498		3075
2499	=cut	3076	=cut
2500		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
2501	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3194
2504	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2505		3197
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
2508	if (ref $channel) {	3207	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3211	$self->ext_msg (channel_info => $channel);
2513	}	3212	}
…		…
2515	$channel = $channel->{id};	3214	$channel = $channel->{id};
2516	}	3215	}
2517		3216
2518	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2519		3218
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3219	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2524		3222
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3226	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3227
2539	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3229	}
2553		3230
2554	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2555		3232
2556	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2559		3236
2560	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2562		3239
2563	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2566	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568	}	3245	}
2569	}	3246	}
2570		3247
2571	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2572		3249
…		…
2575	=cut	3252	=cut
2576		3253
2577	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2578	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2579		3256
2580	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582	} elsif ($self->extcmd == 1) {
2583	#TODO: version 1, remove
2584	unshift @msg, msgtype => "reply", msgid => $id;
2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586	}
2587	}	3260	}
2588		3261
2589	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2590		3263
2591	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2646	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2647		3320
2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2649		3322
2650	if (ref $msg) {	3323	if (ref $msg) {
2651	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2652	"ARRAY" eq ref $msg
2653	? @$msg
2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2655		3325
2656	my @reply;	3326	my @reply;
2657		3327
2658	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2659	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2661		3331
2662	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2663	if $reply;	3333	if $reply;
2664		3334
2665	} else {	3335	} else {
2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667	}	3337	}
2668		3338
2669	cf::override;	3339	cf::override;
2670	},	3340	},
2671	);	3341	);
…		…
2691		3361
2692	$coro	3362	$coro
2693	}	3363	}
2694		3364
2695	cf::client->attach (	3365	cf::client->attach (
2696	on_destroy => sub {	3366	on_client_destroy => sub {
2697	my ($ns) = @_;	3367	my ($ns) = @_;
2698		3368
2699	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2700	},	3370	},
2701	);	3371	);
…		…
2717	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2718		3388
2719	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2720		3390
2721	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2722	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2723	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2724	sort time	3394	sort time
2725	));	3395	));
2726		3396
2727	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2729	=pod	3399	=pod
2730		3400
2731	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2732		3402
2733	cf::object	3403	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2736		3407
2737	cf::object::player	3408	cf::object::player
2738	player	3409	player
2739		3410
2740	cf::player	3411	cf::player
…		…
2745		3416
2746	=cut	3417	=cut
2747		3418
2748	for (	3419	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2751	decrease_ob_nr)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2752	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2754	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2755	) {	3426	) {
2756	no strict 'refs';
2757	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2758	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2759	for @funs;	3429	for @funs;
2760	}	3430	}
2761		3431
…		…
2776		3446
2777	my $qcode = $code;	3447	my $qcode = $code;
2778	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2779	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2780		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2781	local $_;	3454	local $_;
2782	local @safe::cf::_safe_eval_args = values %vars;
2783		3455
2784	my $eval =	3456	my $eval =
2785	"do {\n"	3457	"do {\n"
2786	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2787	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2788	. $code	3460	. $code
2789	. "\n}"	3461	. "\n}"
2790	;	3462	;
2791		3463
		3464	if ($CFG{safe_eval}) {
2792	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2793	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2794	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2795		3473
2796	if ($@) {	3474	if ($@) {
2797	warn "$@";	3475	warn "$@",
2798	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2799	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2800	}	3478	}
2801		3479
2802	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2803	}	3481	}
2804		3482
…		…
2818	=cut	3496	=cut
2819		3497
2820	sub register_script_function {	3498	sub register_script_function {
2821	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2822		3500
2823	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2824	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2825	}	3503	}
2826		3504
2827	=back	3505	=back
2828		3506
2829	=cut	3507	=cut
2830		3508
2831	#############################################################################	3509	#############################################################################
2832	# the server's init and main functions	3510	# the server's init and main functions
2833		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
		3514	# internal api, not fianlised
		3515	sub add_face {
		3516	my ($name, $type, $data) = @_;
		3517
		3518	my $idx = cf::face::find $name;
		3519
		3520	if ($idx) {
		3521	delete $FACEHASH{cf::face::get_chksum $idx};
		3522	} else {
		3523	$idx = cf::face::alloc $name;
		3524	}
		3525
		3526	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3527
		3528	cf::face::set_type $idx, $type;
		3529	cf::face::set_data $idx, 0, $data, $hash;
		3530	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3531	$FACEHASH{$hash} = $idx;#d#
		3532
		3533	$idx
		3534	}
		3535
2834	sub load_facedata($) {	3536	sub load_facedata($) {
2835	my ($path) = @_;	3537	my ($path) = @_;
2836		3538
		3539	# HACK to clear player env face cache, we need some signal framework
		3540	# for this (global event?)
		3541	%ext::player_env::MUSIC_FACE_CACHE = ();
		3542
2837	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3543	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3544
2839	warn "loading facedata from $path\n";	3545	trace "loading facedata from $path\n";
2840		3546
2841	my $facedata;	3547	my $facedata = decode_storable load_file $path;
2842	0 < aio_load $path, $facedata
2843	or die "$path: $!";
2844
2845	$facedata = Coro::Storable::thaw $facedata;
2846		3548
2847	$facedata->{version} == 2	3549	$facedata->{version} == 2
2848	or cf::cleanup "$path: version mismatch, cannot proceed.";	3550	or cf::cleanup "$path: version mismatch, cannot proceed.";
2849		3551
2850	# patch in the exptable
2851	$facedata->{resource}{"res/exp_table"} = {
2852	type => FT_RSRC,
2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2854	};
2855	cf::cede_to_tick;	3552	cf::cede_to_tick;
2856		3553
2857	{	3554	{
2858	my $faces = $facedata->{faceinfo};	3555	my $faces = $facedata->{faceinfo};
2859		3556
2860	while (my ($face, $info) = each %$faces) {	3557	for my $face (sort keys %$faces) {
		3558	my $info = $faces->{$face};
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3559	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3560
2862	cf::face::set_visibility $idx, $info->{visibility};	3561	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3562	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3563	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3564	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3565	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3566	$FACEHASH{$info->{hash64}} = $idx;#d#
2866		3567
2867	cf::cede_to_tick;	3568	cf::cede_to_tick;
2868	}	3569	}
2869		3570
2870	while (my ($face, $info) = each %$faces) {	3571	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3572	next unless $info->{smooth};
		3573
2872	my $idx = cf::face::find $face	3574	my $idx = cf::face::find $face
2873	or next;	3575	or next;
		3576
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3577	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3578	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3579	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3580	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3581	error "smooth face '$info->{smooth}' not found for face '$face'";
2879	}	3582	}
2880		3583
2881	cf::cede_to_tick;	3584	cf::cede_to_tick;
2882	}	3585	}
2883	}	3586	}
…		…
2892		3595
2893	cf::anim::invalidate_all; # d'oh	3596	cf::anim::invalidate_all; # d'oh
2894	}	3597	}
2895		3598
2896	{	3599	{
2897	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3600	my $res = $facedata->{resource};
2900		3601
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3602	while (my ($name, $info) = each %$res) {
		3603	if (defined (my $type = $info->{type})) {
		3604	# TODO: different hash - must free and use new index, or cache ixface data queue
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3605	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;
2906		3606
2907	if ($info->{type} & 1) {	3607	cf::face::set_type $idx, $type;
2908	# prepend meta info	3608	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2909		3609	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2910	my $meta = $enc->encode ({	3610	$FACEHASH{$info->{hash}} = $idx;#d#
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	$data = pack "(w/a*)*", $meta, $info->{data};
2916	} else {	3611	} else {
2917	$data = $info->{data};	3612	# $RESOURCE{$name} = $info; # unused
2918	}	3613	}
2919		3614
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;	3615	cf::cede_to_tick;
2924	}	3616	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3617	}
		3618
		3619	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944		3620
2945	1	3621	1
2946	}	3622	}
2947		3623
2948	register_exticmd fx_want => sub {	3624	register_exticmd fx_want => sub {
…		…
2951	while (my ($k, $v) = each %$want) {	3627	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3628	$ns->fx_want ($k, $v);
2953	}	3629	}
2954	};	3630	};
2955		3631
		3632	sub load_resource_file($) {
		3633	my $guard = lock_acquire "load_resource_file";
		3634
		3635	my $status = load_resource_file_ $_[0];
		3636	get_slot 0.1, 100;
		3637	cf::arch::commit_load;
		3638
		3639	$status
		3640	}
		3641
		3642	sub reload_exp_table {
		3643	_reload_exp_table;
		3644
		3645	add_face "res/exp_table" => FT_RSRC,
		3646	JSON::XS->new->utf8->canonical->encode (
		3647	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3648	);
		3649	}
		3650
		3651	sub reload_materials {
		3652	_reload_materials;
		3653	}
		3654
2956	sub reload_regions {	3655	sub reload_regions {
		3656	# HACK to clear player env face cache, we need some signal framework
		3657	# for this (global event?)
		3658	%ext::player_env::MUSIC_FACE_CACHE = ();
		3659
2957	load_resource_file "$MAPDIR/regions"	3660	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3661	or die "unable to load regions file\n";
2959		3662
2960	for (cf::region::list) {	3663	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3664	$_->{match} = qr/$_->{match}/
…		…
2969	}	3672	}
2970		3673
2971	sub reload_archetypes {	3674	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3675	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3676	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references	3677
2975	# this really needs to be done in an extra post-pass	3678	add_face "res/skill_info" => FT_RSRC,
2976	# (which needs to be synchronous, so solve it differently)	3679	JSON::XS->new->utf8->canonical->encode (
2977	load_resource_file "$DATADIR/archetypes"	3680	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2978	or die "unable to load archetypes\n";	3681	);
		3682	add_face "res/spell_paths" => FT_RSRC,
		3683	JSON::XS->new->utf8->canonical->encode (
		3684	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3685	);
2979	}	3686	}
2980		3687
2981	sub reload_treasures {	3688	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3689	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3690	or die "unable to load treasurelists\n";
2984	}	3691	}
2985		3692
		3693	sub reload_sound {
		3694	trace "loading sound config from $DATADIR/sound\n";
		3695
		3696	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3697
		3698	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3699	my $sound = $soundconf->{compat}[$_]
		3700	or next;
		3701
		3702	my $face = cf::face::find "sound/$sound->[1]";
		3703	cf::sound::set $sound->[0] => $face;
		3704	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3705	}
		3706
		3707	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3708	my $face = cf::face::find "sound/$v";
		3709	cf::sound::set $k => $face;
		3710	}
		3711	}
		3712
2986	sub reload_resources {	3713	sub reload_resources {
2987	warn "reloading resource files...\n";	3714	trace "reloading resource files...\n";
2988		3715
		3716	reload_materials;
		3717	reload_facedata;
		3718	reload_exp_table;
		3719	reload_sound;
		3720	reload_archetypes;
2989	reload_regions;	3721	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3722	reload_treasures;
2994		3723
2995	warn "finished reloading resource files\n";	3724	trace "finished reloading resource files\n";
2996	}	3725	}
2997		3726
2998	sub init {	3727	sub reload_config {
2999	reload_resources;	3728	trace "reloading config file...\n";
3000	}
3001		3729
3002	sub cfg_load {	3730	my $config = load_file "$CONFDIR/config";
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3731	utf8::decode $config;
3004	or return;	3732	*CFG = decode_yaml $config;
3005		3733
3006	local $/;
3007	*CFG = YAML::Syck::Load <$fh>;
3008
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3734	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3010		3735
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3736	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3737	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3013		3738
3014	if (exists $CFG{mlockall}) {	3739	if (exists $CFG{mlockall}) {
…		…
3018	};	3743	};
3019	warn $@ if $@;	3744	warn $@ if $@;
3020	}	3745	}
3021	}	3746	}
3022		3747
		3748	sub pidfile() {
		3749	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3750	or die "$PIDFILE: $!";
		3751	flock $fh, &Fcntl::LOCK_EX
		3752	or die "$PIDFILE: flock: $!";
		3753	$fh
		3754	}
		3755
		3756	# make sure only one server instance is running at any one time
		3757	sub atomic {
		3758	my $fh = pidfile;
		3759
		3760	my $pid = <$fh>;
		3761	kill 9, $pid if $pid > 0;
		3762
		3763	seek $fh, 0, 0;
		3764	print $fh $$;
		3765	}
		3766
		3767	sub main_loop {
		3768	trace "EV::loop starting\n";
		3769	if (1) {
		3770	EV::loop;
		3771	}
		3772	trace "EV::loop returned\n";
		3773	goto &main_loop unless $REALLY_UNLOOP;
		3774	}
		3775
3023	sub main {	3776	sub main {
		3777	cf::init_globals; # initialise logging
		3778
		3779	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3780	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3781	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3782	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3783
		3784	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3785
3024	# we must not ever block the main coroutine	3786	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3787	$Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3788	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3789	(async {
3028	Event::one_event;	3790	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3791	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3792	})->prio (Coro::PRIO_MAX);
3030	};	3793	};
3031		3794
3032	cfg_load;	3795	evthread_start IO::AIO::poll_fileno;
		3796
		3797	cf::sync_job {
		3798	cf::incloader::init ();
		3799
		3800	cf::init_anim;
		3801	cf::init_attackmess;
		3802	cf::init_dynamic;
		3803
		3804	cf::load_settings;
		3805
		3806	reload_resources;
		3807	reload_config;
3033	db_init;	3808	db_init;
		3809
		3810	cf::init_uuid;
		3811	cf::init_signals;
		3812	cf::init_skills;
		3813
		3814	cf::init_beforeplay;
		3815
		3816	atomic;
		3817
3034	load_extensions;	3818	load_extensions;
3035		3819
3036	$TICK_WATCHER->start;	3820	utime time, time, $RUNTIMEFILE;
3037	Event::loop;	3821
		3822	# no (long-running) fork's whatsoever before this point(!)
		3823	use POSIX ();
		3824	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3825
		3826	cf::_post_init 0;
		3827	};
		3828
		3829	cf::object::thawer::errors_are_fatal 0;
		3830	info "parse errors in files are no longer fatal from this point on.\n";
		3831
		3832	AE::postpone {
		3833	undef &main; # free gobs of memory :)
		3834	};
		3835
		3836	goto &main_loop;
3038	}	3837	}
3039		3838
3040	#############################################################################	3839	#############################################################################
3041	# initialisation and cleanup	3840	# initialisation and cleanup
3042		3841
3043	# install some emergency cleanup handlers	3842	# install some emergency cleanup handlers
3044	BEGIN {	3843	BEGIN {
		3844	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3845	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3846	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3847	cf::cleanup "SIG$signal";
3053	},
3054	);	3848	};
3055	}	3849	}
3056	}	3850	}
3057		3851
3058	sub write_runtime {	3852	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";	3853	my $t0 = AE::time;
3060		3854
3061	# first touch the runtime file to show we are still running:	3855	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3856	# the fsync below can take a very very long time.
3063		3857
3064	IO::AIO::aio_utime $runtime, undef, undef;	3858	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065		3859
3066	my $guard = cf::lock_acquire "write_runtime";	3860	my $guard = cf::lock_acquire "write_runtime";
3067		3861
3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3862	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3069	or return;	3863	or return;
3070		3864
3071	my $value = $cf::RUNTIME + 90 + 10;	3865	my $value = $cf::RUNTIME + 90 + 10;
3072	# 10 is the runtime save interval, for a monotonic clock	3866	# 10 is the runtime save interval, for a monotonic clock
3073	# 60 allows for the watchdog to kill the server.	3867	# 60 allows for the watchdog to kill the server.
…		…
3083	aio_utime $fh, undef, undef;	3877	aio_utime $fh, undef, undef;
3084		3878
3085	close $fh	3879	close $fh
3086	or return;	3880	or return;
3087		3881
3088	aio_rename "$runtime~", $runtime	3882	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089	and return;	3883	and return;
3090		3884
3091	warn "runtime file written.\n";	3885	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3092		3886
3093	1	3887	1
		3888	}
		3889
		3890	our $uuid_lock;
		3891	our $uuid_skip;
		3892
		3893	sub write_uuid_sync($) {
		3894	$uuid_skip ||= $_[0];
		3895
		3896	return if $uuid_lock;
		3897	local $uuid_lock = 1;
		3898
		3899	my $uuid = "$LOCALDIR/uuid";
		3900
		3901	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3902	or return;
		3903
		3904	my $value = uuid_seq uuid_cur;
		3905
		3906	unless ($value) {
		3907	info "cowardly refusing to write zero uuid value!\n";
		3908	return;
		3909	}
		3910
		3911	my $value = uuid_str $value + $uuid_skip;
		3912	$uuid_skip = 0;
		3913
		3914	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3915	and return;
		3916
		3917	# always fsync - this file is important
		3918	aio_fsync $fh
		3919	and return;
		3920
		3921	close $fh
		3922	or return;
		3923
		3924	aio_rename "$uuid~", $uuid
		3925	and return;
		3926
		3927	trace "uuid file written ($value).\n";
		3928
		3929	1
		3930
		3931	}
		3932
		3933	sub write_uuid($$) {
		3934	my ($skip, $sync) = @_;
		3935
		3936	$sync ? write_uuid_sync $skip
		3937	: async { write_uuid_sync $skip };
3094	}	3938	}
3095		3939
3096	sub emergency_save() {	3940	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	3941	my $freeze_guard = cf::freeze_mainloop;
3098		3942
3099	warn "enter emergency perl save\n";	3943	info "emergency_perl_save: enter\n";
		3944
		3945	# this is a trade-off: we want to be very quick here, so
		3946	# save all maps without fsync, and later call a global sync
		3947	# (which in turn might be very very slow)
		3948	local $USE_FSYNC = 0;
3100		3949
3101	cf::sync_job {	3950	cf::sync_job {
		3951	cf::write_runtime_sync; # external watchdog should not bark
		3952
3102	# use a peculiar iteration method to avoid tripping on perl	3953	# use a peculiar iteration method to avoid tripping on perl
3103	# refcount bugs in for. also avoids problems with players	3954	# refcount bugs in for. also avoids problems with players
3104	# and maps saved/destroyed asynchronously.	3955	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	3956	info "emergency_perl_save: begin player save\n";
3106	for my $login (keys %cf::PLAYER) {	3957	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	3958	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	3959	$pl->valid or next;
		3960	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	3961	$pl->save;
3110	}	3962	}
3111	warn "end emergency player save\n";	3963	info "emergency_perl_save: end player save\n";
3112		3964
3113	warn "begin emergency map save\n";	3965	cf::write_runtime_sync; # external watchdog should not bark
		3966
		3967	info "emergency_perl_save: begin map save\n";
3114	for my $path (keys %cf::MAP) {	3968	for my $path (keys %cf::MAP) {
3115	my $map = $cf::MAP{$path} or next;	3969	my $map = $cf::MAP{$path} or next;
3116	$map->valid or next;	3970	$map->valid or next;
3117	$map->save;	3971	$map->save;
3118	}	3972	}
3119	warn "end emergency map save\n";	3973	info "emergency_perl_save: end map save\n";
3120		3974
3121	warn "begin emergency database checkpoint\n";	3975	cf::write_runtime_sync; # external watchdog should not bark
		3976
		3977	info "emergency_perl_save: begin database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3978	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	3979	info "emergency_perl_save: end database checkpoint\n";
		3980
		3981	info "emergency_perl_save: begin write uuid\n";
		3982	write_uuid_sync 1;
		3983	info "emergency_perl_save: end write uuid\n";
		3984
		3985	cf::write_runtime_sync; # external watchdog should not bark
		3986
		3987	trace "emergency_perl_save: syncing database to disk";
		3988	BDB::db_env_txn_checkpoint $DB_ENV;
		3989
		3990	info "emergency_perl_save: starting sync\n";
		3991	IO::AIO::aio_sync sub {
		3992	info "emergency_perl_save: finished sync\n";
		3993	};
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
		3996
		3997	trace "emergency_perl_save: flushing outstanding aio requests";
		3998	while (IO::AIO::nreqs || BDB::nreqs) {
		3999	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4000	}
		4001
		4002	cf::write_runtime_sync; # external watchdog should not bark
3124	};	4003	};
3125		4004
3126	warn "leave emergency perl save\n";	4005	info "emergency_perl_save: leave\n";
3127	}	4006	}
3128		4007
3129	sub post_cleanup {	4008	sub post_cleanup {
3130	my ($make_core) = @_;	4009	my ($make_core) = @_;
3131		4010
		4011	IO::AIO::flush;
		4012
3132	warn Carp::longmess "post_cleanup backtrace"	4013	error Carp::longmess "post_cleanup backtrace"
3133	if $make_core;	4014	if $make_core;
		4015
		4016	my $fh = pidfile;
		4017	unlink $PIDFILE if <$fh> == $$;
		4018	}
		4019
		4020	# a safer delete_package, copied from Symbol
		4021	sub clear_package($) {
		4022	my $pkg = shift;
		4023
		4024	# expand to full symbol table name if needed
		4025	unless ($pkg =~ /^main::.*::$/) {
		4026	$pkg = "main$pkg" if $pkg =~ /^::/;
		4027	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4028	$pkg .= '::' unless $pkg =~ /::$/;
		4029	}
		4030
		4031	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4032	my $stem_symtab = *{$stem}{HASH};
		4033
		4034	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4035	or return;
		4036
		4037	# clear all symbols
		4038	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4039	for my $name (keys %$leaf_symtab) {
		4040	_gv_clear *{"$pkg$name"};
		4041	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4042	}
3134	}	4043	}
3135		4044
3136	sub do_reload_perl() {	4045	sub do_reload_perl() {
3137	# can/must only be called in main	4046	# can/must only be called in main
3138	if ($Coro::current != $Coro::main) {	4047	unless (in_main) {
3139	warn "can only reload from main coroutine";	4048	error "can only reload from main coroutine";
3140	return;	4049	return;
3141	}	4050	}
3142		4051
3143	warn "reloading...";	4052	return if $RELOAD++;
3144		4053
3145	warn "entering sync_job";	4054	my $t1 = AE::time;
3146		4055
		4056	while ($RELOAD) {
		4057	cf::get_slot 0.1, -1, "reload_perl";
		4058	info "perl_reload: reloading...";
		4059
		4060	trace "perl_reload: entering sync_job";
		4061
3147	cf::sync_job {	4062	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark
3149	cf::emergency_save;	4063	#cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark
3151		4064
3152	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;
3154
3155	# if anything goes wrong in here, we should simply crash as we already saved
3156
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161
3162	warn "flushing outstanding aio requests";
3163	for (;;) {
3164	BDB::flush;
3165	IO::AIO::flush;
3166	Coro::cede;
3167	last unless IO::AIO::nreqs || BDB::nreqs;
3168	warn "iterate...";
3169	}
3170
3171	++$RELOAD;
3172
3173	warn "cancelling all extension coros";	4065	trace "perl_reload: cancelling all extension coros";
3174	$_->cancel for values %EXT_CORO;	4066	$_->cancel for values %EXT_CORO;
3175	%EXT_CORO = ();	4067	%EXT_CORO = ();
3176		4068
3177	warn "removing commands";	4069	trace "perl_reload: removing commands";
3178	%COMMAND = ();	4070	%COMMAND = ();
3179		4071
3180	warn "removing ext/exti commands";	4072	trace "perl_reload: removing ext/exti commands";
3181	%EXTCMD = ();	4073	%EXTCMD = ();
3182	%EXTICMD = ();	4074	%EXTICMD = ();
3183		4075
3184	warn "unloading/nuking all extensions";	4076	trace "perl_reload: unloading/nuking all extensions";
3185	for my $pkg (@EXTS) {	4077	for my $pkg (@EXTS) {
3186	warn "... unloading $pkg";	4078	trace "... unloading $pkg";
3187		4079
3188	if (my $cb = $pkg->can ("unload")) {	4080	if (my $cb = $pkg->can ("unload")) {
3189	eval {	4081	eval {
3190	$cb->($pkg);	4082	$cb->($pkg);
3191	1	4083	1
3192	} or warn "$pkg unloaded, but with errors: $@";	4084	} or error "$pkg unloaded, but with errors: $@";
		4085	}
		4086
		4087	trace "... clearing $pkg";
		4088	clear_package $pkg;
3193	}	4089	}
3194		4090
3195	warn "... nuking $pkg";
3196	Symbol::delete_package $pkg;
3197	}
3198
3199	warn "unloading all perl modules loaded from $LIBDIR";	4091	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3200	while (my ($k, $v) = each %INC) {	4092	while (my ($k, $v) = each %INC) {
3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202		4094
3203	warn "... unloading $k";	4095	trace "... unloading $k";
3204	delete $INC{$k};	4096	delete $INC{$k};
3205		4097
3206	$k =~ s/\.pm$//;	4098	$k =~ s/\.pm$//;
3207	$k =~ s/\//::/g;	4099	$k =~ s/\//::/g;
3208		4100
3209	if (my $cb = $k->can ("unload_module")) {	4101	if (my $cb = $k->can ("unload_module")) {
3210	$cb->();	4102	$cb->();
		4103	}
		4104
		4105	clear_package $k;
3211	}	4106	}
3212		4107
3213	Symbol::delete_package $k;
3214	}
3215
3216	warn "getting rid of safe::, as good as possible";	4108	trace "perl_reload: getting rid of safe::, as good as possible";
3217	Symbol::delete_package "safe::$_"	4109	clear_package "safe::$_"
3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4110	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219		4111
3220	warn "unloading cf.pm \"a bit\"";	4112	trace "perl_reload: unloading cf.pm \"a bit\"";
3221	delete $INC{"cf.pm"};	4113	delete $INC{"cf.pm"};
3222	delete $INC{"cf/pod.pm"};	4114	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3223		4115
3224	# don't, removes xs symbols, too,	4116	# don't, removes xs symbols, too,
3225	# and global variables created in xs	4117	# and global variables created in xs
3226	#Symbol::delete_package __PACKAGE__;	4118	#clear_package __PACKAGE__;
3227		4119
3228	warn "unload completed, starting to reload now";	4120	info "perl_reload: unload completed, starting to reload now";
3229		4121
3230	warn "reloading cf.pm";	4122	trace "perl_reload: reloading cf.pm";
3231	require cf;	4123	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4124	cf::_connect_to_perl_1;
3233		4125
3234	warn "loading config and database again";	4126	trace "perl_reload: loading config and database again";
3235	cf::cfg_load;	4127	cf::reload_config;
3236		4128
3237	warn "loading extensions";	4129	trace "perl_reload: loading extensions";
3238	cf::load_extensions;	4130	cf::load_extensions;
3239		4131
		4132	if ($REATTACH_ON_RELOAD) {
3240	warn "reattaching attachments to objects/players";	4133	trace "perl_reload: reattaching attachments to objects/players";
3241	_global_reattach; # objects, sockets	4134	_global_reattach; # objects, sockets
3242	warn "reattaching attachments to maps";	4135	trace "perl_reload: reattaching attachments to maps";
3243	reattach $_ for values %MAP;	4136	reattach $_ for values %MAP;
3244	warn "reattaching attachments to players";	4137	trace "perl_reload: reattaching attachments to players";
3245	reattach $_ for values %PLAYER;	4138	reattach $_ for values %PLAYER;
		4139	}
3246		4140
3247	warn "leaving sync_job";	4141	cf::_post_init 1;
3248		4142
		4143	trace "perl_reload: leaving sync_job";
		4144
3249	1	4145	1
3250	} or do {	4146	} or do {
3251	warn $@;	4147	error $@;
3252	warn "error while reloading, exiting.";	4148	cf::cleanup "perl_reload: error, exiting.";
3253	exit 1;	4149	};
		4150
		4151	--$RELOAD;
3254	};	4152	}
3255		4153
3256	warn "reloaded";	4154	$t1 = AE::time - $t1;
		4155	info "perl_reload: completed in ${t1}s\n";
3257	};	4156	};
3258		4157
3259	our $RELOAD_WATCHER; # used only during reload	4158	our $RELOAD_WATCHER; # used only during reload
3260		4159
3261	sub reload_perl() {	4160	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	4161	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	4162	# coro crashes during coro_state_free->destroy here.
3264		4163
3265	$RELOAD_WATCHER ||= Event->timer (	4164	$RELOAD_WATCHER ||= cf::async {
3266	reentrant => 0,	4165	Coro::AIO::aio_wait cache_extensions;
3267	after => 0,	4166
3268	data => WF_AUTOCANCEL,	4167	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3269	cb => sub {
3270	do_reload_perl;	4168	do_reload_perl;
3271	undef $RELOAD_WATCHER;	4169	undef $RELOAD_WATCHER;
3272	},	4170	};
3273	);	4171	};
3274	}	4172	}
3275		4173
3276	register_command "reload" => sub {	4174	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	4175	my ($who, $arg) = @_;
3278		4176
3279	if ($who->flag (FLAG_WIZ)) {	4177	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	4178	$who->message ("reloading server.");
		4179	async {
		4180	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	4181	reload_perl;
		4182	};
3282	}	4183	}
3283	};	4184	};
3284		4185
3285	unshift @INC, $LIBDIR;	4186	#############################################################################
3286		4187
3287	my $bug_warning = 0;	4188	my $bug_warning = 0;
3288		4189
3289	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;
3291
3292	sub wait_for_tick {	4190	sub wait_for_tick() {
3293	return unless $TICK_WATCHER->is_active;	4191	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3294	return if $Coro::current == $Coro::main;
3295		4192
3296	my $signal = new Coro::Signal;	4193	$WAIT_FOR_TICK->wait;
3297	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;
3299	}	4194	}
3300		4195
3301	sub wait_for_tick_begin {	4196	sub wait_for_tick_begin() {
3302	return unless $TICK_WATCHER->is_active;	4197	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3303	return if $Coro::current == $Coro::main;
3304		4198
3305	my $signal = new Coro::Signal;	4199	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	4200	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	4201	$signal->wait;
3308	}	4202	}
3309		4203
3310	my $min = 1e6;#d#	4204	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	4205	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4206	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	4207	unless ++$bug_warning > 10;
3322	return;	4208	return;
3323	}	4209	}
3324		4210
3325	$NOW = $tick_start = Event::time;	4211	cf::one_tick; # one server iteration
3326		4212
3327	cf::server_tick; # one server iteration	4213	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3328		4214
3329	0 && sync_job {#d#	4215	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330	for(1..10) {	4216	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331	my $t = Event::time;	4217	Coro::async_pool {
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4218	$Coro::current->{desc} = "runtime saver";
3333	or die;	4219	write_runtime_sync
3334		4220	or error "ERROR: unable to write runtime file: $!";
3335	$map->width (50);
3336	$map->height (50);
3337	$map->alloc;
3338	$map->_load_objects ("/tmp/x.map", 1);
3339	my $t = Event::time - $t;
3340
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	4221	};
		4222	}
3351		4223
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4224	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	4225	$sig->send;
3368	}	4226	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	4227	$WAIT_FOR_TICK->broadcast;
3370	$sig->send;
3371	}
3372		4228
3373	$NOW = Event::time;	4229	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4230	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		4231
3384	_post_tick;	4232	if (0) {
3385		4233	if ($NEXT_TICK) {
3386		4234	my $jitter = $TICK_START - $NEXT_TICK;
		4235	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4236	debug "jitter $JITTER\n";#d#
		4237	}
3387	},	4238	}
3388	);	4239	}
3389		4240
3390	{	4241	{
3391	BDB::max_poll_time $TICK * 0.1;	4242	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	4243
3393	reentrant => 0,
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	4244	BDB::min_parallel 16;
3401		4245	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	4246	#$AnyEvent::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		4247
3417	unless ($DB_ENV) {	4248	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	4249	$DB_ENV = BDB::db_env_create;
		4250	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4251	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4252	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4253	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4254	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		4255
3420	cf::sync_job {	4256	cf::sync_job {
3421	eval {	4257	eval {
3422	BDB::db_env_open	4258	BDB::db_env_open
3423	$DB_ENV,	4259	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4261	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4262	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	4263	0666;
3428		4264
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4265	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	4266	};
3434		4267
3435	cf::cleanup "db_env_open(db): $@" if $@;	4268	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	4269	};
3437	}	4270	}
		4271
		4272	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4273	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4274	};
		4275	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4276	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4277	};
		4278	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4279	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4280	};
3438	}	4281	}
3439		4282
3440	{	4283	{
		4284	# configure IO::AIO
		4285
3441	IO::AIO::min_parallel 8;	4286	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	4287	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	4288	undef $AnyEvent::AIO::WATCHER;
3446	reentrant => 0,
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	4289	}
3454		4290
3455	my $_log_backtrace;	4291	our $_log_backtrace;
		4292	our $_log_backtrace_last;
3456		4293
3457	sub _log_backtrace {	4294	sub _log_backtrace {
3458	my ($msg, @addr) = @_;	4295	my ($msg, @addr) = @_;
3459		4296
3460	$msg =~ s/\n//;	4297	$msg =~ s/\n$//;
3461		4298
		4299	if ($_log_backtrace_last eq $msg) {
		4300	LOG llevInfo, "[ABT] $msg\n";
		4301	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3462	# limit the # of concurrent backtraces	4302	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	4303	} elsif ($_log_backtrace < 2) {
		4304	$_log_backtrace_last = $msg;
3464	++$_log_backtrace;	4305	++$_log_backtrace;
		4306	my $perl_bt = Carp::longmess $msg;
3465	async {	4307	async {
		4308	$Coro::current->{desc} = "abt $msg";
		4309
3466	my @bt = fork_call {	4310	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	4311	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4312	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4313	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	4314	or die "addr2line: $!";
…		…
3478	}	4322	}
3479		4323
3480	@funcs	4324	@funcs
3481	};	4325	};
3482		4326
3483	LOG llevInfo, "[ABT] $msg\n";	4327	LOG llevInfo, "[ABT] $perl_bt\n";
		4328	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484	LOG llevInfo, "[ABT] $_\n" for @bt;	4329	LOG llevInfo, "[ABT] $_\n" for @bt;
3485	--$_log_backtrace;	4330	--$_log_backtrace;
3486	};	4331	};
3487	} else {	4332	} else {
3488	LOG llevInfo, "[ABT] $msg\n";	4333	LOG llevInfo, "[ABT] $msg\n";
3489	LOG llevInfo, "[ABT] [suppressed]\n";	4334	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3490	}	4335	}
3491	}	4336	}
3492		4337
3493	# load additional modules	4338	# load additional modules
3494	use cf::pod;	4339	require "cf/$_.pm" for @EXTRA_MODULES;
		4340	cf::_connect_to_perl_2;
3495		4341
3496	END { cf::emergency_save }	4342	END { cf::emergency_save }
3497		4343
3498	1	4344	1
3499		4345

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