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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.318 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.588 by root, Thu Nov 1 13:02:52 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 3.61 ();	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;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	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;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
59		95
60	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
62		100
63	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
68	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		124
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	143	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		144
83	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
94		148
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		151
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
101		164
102	binmode STDOUT;	165	binmode STDOUT;
103	binmode STDERR;	166	binmode STDERR;
104		167
105	# read virtual server time, if available	168	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
110	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
111		176
112	mkdir $_	177	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		179
115	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
116		181
117	sub cf::map::normalise;	182	sub cf::map::normalise;
118		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
119	#############################################################################	188	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
122		202
123	=over 4	203	=over 4
124		204
125	=item $cf::UPTIME	205	=item $cf::UPTIME
126		206
127	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.
128		223
129	=item $cf::RUNTIME	224	=item $cf::RUNTIME
130		225
131	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
132	every server tick.	227	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
141	database environment.	236	database environment.
142		237
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	238	=item $cf::LOADAVG
152		239
153	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
158		245
159	The raw value load value from the last tick.	246	The raw value load value from the last tick.
160		247
161	=item %cf::CFG	248	=item %cf::CFG
162		249
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	251	from wherever your confdir points to.
165		252
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		254
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
172	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
173		277
174	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
175	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
176	that call.	280	that call.
177		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
178	=back	288	=back
179		289
180	=cut	290	=cut
181		291
182	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	299	my $msg = join "", @_;
185		300
186	$msg .= "\n"	301	$msg .= "\n"
187	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
188		303
189	$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;
190		305
191	utf8::encode $msg;
192	LOG llevError, $msg;	306	LOG llevWarn, $msg;
193	};	307	};
194	}	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	};
195		322
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	333	for my $pkg (qw(
207	cf::global cf::attachable	334	cf::global cf::attachable
208	cf::object cf::object::player	335	cf::object cf::object::player
209	cf::client cf::player	336	cf::client cf::player
210	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
211	cf::map cf::party cf::region	339	cf::party cf::region
212	)) {	340	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	342	}
216		343
217	$Event::DIED = sub {	344	$EV::DIED = sub {
218	warn "error in event callback: @_";	345	warn "error in event callback: $@";
219	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
220		352
221	#############################################################################	353	#############################################################################
222		354
223	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
224		356
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	378	$d
247	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
248	}	380	}
249		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
250	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
251		435
252	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
253		437
254	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
255		439
256	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
257		441
258	=cut	442	=cut
259		443
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		445
262	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		510
265	=item cf::lock_wait $string	511	=item cf::lock_wait $string
266		512
267	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
268		514
269	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
270		516
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
274	returned.	520	returned.
275		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
276	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
277	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
278		527
279	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
280		529
281	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.
282		531
283	=cut	532	=cut
284		533
285	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
286		535
287	sub lock_wait($) {	536	sub lock_wait($) {
288	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	538	}
296		539
297	sub lock_acquire($) {	540	sub lock_acquire($) {
298	my ($key) = @_;	541	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	542	}
310		543
311	sub lock_active($) {	544	sub lock_active($) {
312	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	546	}
316		547
317	sub freeze_mainloop {	548	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
319		550
320	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	552	}
322	};	553
323	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
324	$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
325	}	567	}
326		568
327	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
328		570
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	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
331	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.
332		578
333	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
334	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
335		581
336	Useful for short background jobs.	582	Useful for short background jobs.
337		583
338	=cut	584	=cut
339		585
340	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
342		589
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
345	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
346		596
347	while () {	597	while () {
348	next_job:	598	next_job:
		599
349	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	601
351	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	606	$job->[2]->send;
355	Coro::cede;	607	Coro::cede;
356	goto next_job;	608	goto next_job;
357	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	611	}
359	}	612	}
360		613
361	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
362	# 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
363	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
364	$signal->wait;
365	} else {	617	} else {
		618	$busy = 0;
366	Coro::schedule;	619	Coro::schedule;
367	}	620	}
368	}	621	}
369	};	622	};
370		623
371	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
372	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
373		628
374	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
375	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
376		632
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
390		646
391	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
392		648
393	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
394		650
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	654	acceptable.
399		655
400	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
401	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
…		…
405	=cut	661	=cut
406		662
407	sub sync_job(&) {	663	sub sync_job(&) {
408	my ($job) = @_;	664	my ($job) = @_;
409		665
410	if ($Coro::current == $Coro::main) {	666	if (in_main) {
411	my $time = Event::time;	667	my $time = AE::time;
412		668
413	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
415		671
416	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	673
418	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
419		675
420	my $busy = 1;	676	my $busy = 1;
421	my @res;	677	my @res;
422		678
423	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	681	@res = eval { $job->() };
425	warn $@ if $@;	682	error $@ if $@;
426	undef $busy;	683	undef $busy;
427	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
428		685
429	while ($busy) {	686	while ($busy) {
430	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
431	}	691	}
		692	}
432		693
433	$time = Event::time - $time;	694	my $time = AE::time - $time;
434		695
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
439		697
440	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
441	} else {	699	} else {
442	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
443		701
…		…
463	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
464		722
465	$coro	723	$coro
466	}	724	}
467		725
468	=item fork_call { }, $args	726	=item fork_call { }, @args
469		727
470	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
471	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
474		732
475	=cut	733	=cut
476		734
477	sub _store_scalar {	735	sub post_fork {
478	open my $fh, ">", \my $buf	736	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	737	}
485		738
486	sub fork_call(&@) {	739	sub fork_call(&@) {
487	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
488		741
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		745
494	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
495	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
496		750
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	752	}
499	$res = Coro::Storable::thaw $res;
500		753
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	790	}
529		791
530	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
531		793
532	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
535		797
536	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
539	=cut	806	=cut
		807
		808	sub db_table($) {
		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	}
540		827
541	our $DB;	828	our $DB;
542		829
543	sub db_init {	830	sub db_init {
544	unless ($DB) {	831	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	832	}
559		833
560	sub db_get($$) {	834	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
562		836
563	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
564	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
565		841
566	$! ? ()	842	$! ? ()
567	: $data	843	: $data
568	}
569	}	844	}
570		845
571	sub db_put($$$) {	846	sub db_put($$$) {
572	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		876
602	my @data;	877	my @data;
603	my $md5;	878	my $md5;
604		879
605	for (0 .. $#$src) {	880	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	882	}
609		883
610	# if processing is expensive, check	884	# if processing is expensive, check
611	# checksum first	885	# checksum first
612	if (1) {	886	if (1) {
613	$md5 =	887	$md5 =
614	join "\x00",	888	join "\x00",
615	$processversion,	889	$processversion,
616	map {	890	map {
617	Coro::cede;	891	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	893	} 0.. $#$src;
620		894
621		895
622	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		903
630	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	905	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
633		907
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		909
636	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
639		913
…		…
649		923
650	=cut	924	=cut
651		925
652	sub datalog($@) {	926	sub datalog($@) {
653	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	929	}
656		930
657	=back	931	=back
658		932
659	=cut	933	=cut
660		934
661	#############################################################################	935	#############################################################################
662		936
663	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
664		938
665	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
666	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")
667	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
668		942
669	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>
670	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
671	Crossfire TRT).	945	Deliantra).
672		946
673	=over 4	947	=over 4
674		948
675	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
676		950
…		…
720	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
721		995
722	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
724		998
725	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		1001
728	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
729		1003
730	=over 4	1004	=over 4
…		…
854		1128
855	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1131
858	} elsif (ref $type) {	1132	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
860		1134
861	} else {	1135	} else {
862	shift @arg;	1136	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
864	}	1138	}
865	}	1139	}
866	}	1140	}
867		1141
868	sub _object_attach {	1142	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
879	}	1153	}
880		1154
881	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
882	} else {	1156	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1158	}
885		1159
886	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
887	}	1161	}
888		1162
…		…
947		1221
948	for (@$callbacks) {	1222	for (@$callbacks) {
949	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
950		1224
951	if ($@) {	1225	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1227	override;
955	}	1228	}
956		1229
957	return 1 if $override;	1230	return 1 if $override;
958	}	1231	}
959		1232
960	0	1233	0
961	}	1234	}
962		1235
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1237
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1239
967	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
968		1241
…		…
974		1247
975	=cut	1248	=cut
976		1249
977	#############################################################################	1250	#############################################################################
978	# object support	1251	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1286	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1287	my ($ob1, $ob2) = @_;
983		1288
984	local $Storable::canonical = 1;	1289	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1290
988	$fob1 eq $fob2	1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
989	}	1293	}
990		1294
991	sub reattach {	1295	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1297	my ($obj) = @_;
994		1298
		1299	# no longer needed after getting rid of delete_package?
995	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
996		1301
997	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
998		1303
999	@$registry = ();	1304	@$registry = ();
1000		1305
…		…
1005	for (@$attach) {	1310	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1008	}	1313	}
1009	} else {	1314	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1316	}
1012	}	1317	}
1013	}	1318	}
1014		1319
1015	cf::attachable->attach (	1320	cf::attachable->attach (
1016	prio => -1000000,	1321	prio => -1000000,
1017	on_instantiate => sub {	1322	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
1019		1324
1020	$data = from_json $data;	1325	$data = decode_json $data;
1021		1326
1022	for (@$data) {	1327	for (@$data) {
1023	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
1024		1329
1025	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1346	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1043		1348
1044	sync_job {	1349	sync_job {
1045	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1048		1355
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1363	aio_close $fh;
1054		1364
1055	if (@$objs) {	1365	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1374	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1376	}
1064	} else {	1377	} else {
1065	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1066	}	1379	}
1067		1380
1068	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1385	} else {
1070	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1071	}	1387	}
1072	} else {	1388	} else {
1073	aio_unlink $filename;	1389	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1075	}	1391	}
1076	}	1392	};
1077	}	1393	}
1078		1394
1079	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1081		1397
…		…
1093	or return;	1409	or return;
1094		1410
1095	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1413	or return;
		1414
1098	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1099	}	1417	}
1100		1418
		1419	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1103	return ($data, $av);	1424	($data, $av)
1104	}	1425	}
1105		1426
1106	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1107		1428
1108	=over 4	1429	=over 4
…		…
1162	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1163		1484
1164	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1165	}	1486	}
1166		1487
		1488	use File::Glob ();
		1489
1167	cf::player->attach (	1490	cf::player->attach (
1168	on_command => sub {	1491	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1170		1493
1171	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1172	or return;	1495	or return;
1173		1496
…		…
1181	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1182		1505
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1507
1185	if (ref $msg) {	1508	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg	1510
1188	? @$msg	1511	my @reply;
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1512
1191	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1197	} else {	1520	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1522	}
1200		1523
1201	cf::override;	1524	cf::override;
1202	},	1525	},
1203	);	1526	);
1204		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
1205	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1206	cf::sync_job {	1557	cf::sync_job {
1207	my %todo;	1558	my %todo;
1208		1559
1209	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1561	next unless -r $path;
…		…
1228		1579
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1582
1232	$ext{source} =	1583	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1235	. $source	1586	. $source
1236	. "\n};\n1";	1587	. "\n};\n1";
1237		1588
1238	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1239	}	1590	}
1240		1591
		1592	my $pass = 0;
1241	my %done;	1593	my %done;
1242	while (%todo) {	1594	while (%todo) {
1243	my $progress;	1595	my $progress;
1244		1596
		1597	++$pass;
		1598
		1599	ext:
1245	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1602	next ext
1248	unless exists $done{$_};	1603	unless exists $done{$_};
1249	}	1604	}
1250		1605
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1607
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1258	warn $msg;	1624
1259	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1626	delete $todo{$k};
1261	}	1627	} else {
1262		1628	$done{$k} = delete $todo{$k};
1263	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1264	}	1634	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1635	}
1270		1636
1271	skip:	1637	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1647	}
1275	};	1648	};
1276	}	1649	}
1277		1650
1278	#############################################################################	1651	#############################################################################
1279		1652
1280	=back	1653	=back
1281		1654
1282	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1283		1656
1284	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1285		1658
1286	=cut	1659	=cut
1287		1660
1288	package cf::player;	1661	package cf::player;
1289		1662
1290	use Coro::AIO;	1663	use Coro::AIO;
1291		1664
1292	=head3 cf::player	1665	=head3 cf::player
1293		1666
1294	=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	}
1295		1682
1296	=item cf::player::find $login	1683	=item cf::player::find $login
1297		1684
1298	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1299		1686
…		…
1318		1705
1319	sub exists($) {	1706	sub exists($) {
1320	my ($login) = @_;	1707	my ($login) = @_;
1321		1708
1322	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1324	}	1711	}
1325		1712
1326	sub find($) {	1713	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1715	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1726
1340	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1343	}	1736	}
1344	}	1737	}
1345	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1346		1752
1347	sub save($) {	1753	sub save($) {
1348	my ($pl) = @_;	1754	my ($pl) = @_;
1349		1755
1350	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1356		1762
1357	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1361	Coro::cede;	1772	cf::cede_to_tick;
1362	}	1773	}
1363		1774
1364	sub new($) {	1775	sub new($) {
1365	my ($login) = @_;	1776	my ($login) = @_;
1366		1777
…		…
1372	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1373		1784
1374	$self	1785	$self
1375	}	1786	}
1376		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1377	=item $pl->quit_character	1798	=item $pl->quit_character
1378		1799
1379	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1381		1802
…		…
1385	my ($pl) = @_;	1806	my ($pl) = @_;
1386		1807
1387	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1388		1809
1389	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1390	$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
1391		1812
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1395	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1396		1821
1397	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1434	or return [];	1859	or return [];
1435		1860
1436	my @logins;	1861	my @logins;
1437		1862
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1442		1873
1443	utf8::decode $login;	1874	utf8::decode $login;
1444	push @logins, $login;	1875	push @logins, $login;
1445	}	1876	}
1446		1877
1447	\@logins	1878	\@logins
1448	}	1879	}
1449		1880
1450	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1451		1884
1452	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1453	player. May block.	1886	player. May block.
1454		1887
1455	=cut	1888	=cut
…		…
1473	}	1906	}
1474		1907
1475	\@paths	1908	\@paths
1476	}	1909	}
1477		1910
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1912
1480	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1914
1528	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1529		1916
1530	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1531		1918
1532	=cut	1919	=cut
1533		1920
1534	sub ext_reply($$@) {	1921	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1922	my ($self, $id, @msg) = @_;
1536		1923
1537	if ($self->ns->extcmd == 2) {	1924	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1925	}
1545		1926
1546	=item $player->ext_msg ($type, @msg)	1927	=item $player->ext_msg ($type, @msg)
1547		1928
1548	Sends an ext event to the client.	1929	Sends an ext event to the client.
…		…
1569		1950
1570	=cut	1951	=cut
1571		1952
1572	sub find_by_path($) {	1953	sub find_by_path($) {
1573	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1574		1957
1575	my ($match, $specificity);	1958	my ($match, $specificity);
1576		1959
1577	for my $region (list) {	1960	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1606		1989
1607	sub generate_random_map {	1990	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1610	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	1996	}
1624		1997
1625	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1626		1999
1627	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
…		…
1632		2005
1633	sub register {	2006	sub register {
1634	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2008	my $pkg = caller;
1636		2009
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2011
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2013	}
1642		2014
1643	# also paths starting with '/'	2015	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2017
1646	sub thawer_merge {	2018	sub thawer_merge {
1647	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1648		2020
1649	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1654	}	2026	}
1655		2027
1656	sub normalise {	2028	sub normalise {
1657	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1658		2030
1659	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1660		2032
1661	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1662		2034
1663	# map plan:	2035	# map plan:
1664	#	2036	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2052	$path = "$base/$path";
1681	}	2053	}
1682		2054
1683	for ($path) {	2055	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1687	}	2058	}
1688		2059
1689	$path	2060	$path
…		…
1703	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1704	return $self;	2075	return $self;
1705	}	2076	}
1706	}	2077	}
1707		2078
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2080	()
1710	}	2081	}
1711		2082
		2083	# may re-bless or do other evil things
1712	sub init {	2084	sub init {
1713	my ($self) = @_;	2085	my ($self) = @_;
1714		2086
1715	$self	2087	$self
1716	}	2088	}
…		…
1735		2107
1736	# the temporary/swap location	2108	# the temporary/swap location
1737	sub save_path {	2109	sub save_path {
1738	my ($self) = @_;	2110	my ($self) = @_;
1739		2111
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1742	}	2114	}
1743		2115
1744	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1745	sub uniq_path {	2117	sub uniq_path {
1746	my ($self) = @_;	2118	my ($self) = @_;
1747		2119
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2122	}
1760		2123
1761	sub decay_objects {	2124	sub decay_objects {
1762	my ($self) = @_;	2125	my ($self) = @_;
1763		2126
…		…
1776		2139
1777	sub load_header_from($) {	2140	sub load_header_from($) {
1778	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1779		2142
1780	utf8::encode $path;	2143	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2145	or return;
1786		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1787	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1788		2154
1789	1	2155	1
1790	}	2156	}
1791		2157
		2158	# used to laod the header of an original map
1792	sub load_header_orig {	2159	sub load_header_orig {
1793	my ($self) = @_;	2160	my ($self) = @_;
1794		2161
1795	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1796	}	2163	}
1797		2164
		2165	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2166	sub load_header_temp {
1799	my ($self) = @_;	2167	my ($self) = @_;
1800		2168
1801	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1802	}	2170	}
1803		2171
		2172	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2173	sub prepare_temp {
1805	my ($self) = @_;	2174	my ($self) = @_;
1806		2175
1807	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1809	# safety	2178	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2181	}
1813		2182
		2183	# called after loading the header from an original map
1814	sub prepare_orig {	2184	sub prepare_orig {
1815	my ($self) = @_;	2185	my ($self) = @_;
1816		2186
1817	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2212
1843	sub find;	2213	sub find;
1844	sub find {	2214	sub find {
1845	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1846		2216
		2217	cf::cede_to_tick;
		2218
1847	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1848		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2223
1851	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1854	or return;	2226	or return;
1855		2227
1856	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1857		2229
…		…
1859	or return;	2231	or return;
1860		2232
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1864	$map->reset;	2238	$map->reset;
1865	undef $guard;
1866	return find $path;	2239	return find $path;
1867	}	2240	}
1868		2241
1869	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1870	}	2243	}
1871	}	2244	}
1872		2245
1873	sub pre_load { }	2246	sub pre_load { }
1874	sub post_load { }	2247	#sub post_load { } # XS
1875		2248
1876	sub load {	2249	sub load {
1877	my ($self) = @_;	2250	my ($self) = @_;
1878		2251
1879	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1880		2253
1881	my $path = $self->{path};	2254	my $path = $self->{path};
1882		2255
1883	{	2256	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1885		2258
		2259	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2261
1890	$self->alloc;	2262	$self->alloc;
1891		2263
1892	$self->pre_load;	2264	$self->pre_load;
1893	Coro::cede;	2265	cf::cede_to_tick;
1894		2266
1895	$self->_load_objects ($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)
1896	or return;	2271	or return;
1897		2272
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1899	if delete $self->{load_original};	2274	if delete $self->{load_original};
1900		2275
1901	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2277	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2280	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1906	}	2285	}
1907	}
1908		2286
1909	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;
1910	# now do the right thing for maps	2296	# now do the right thing for maps
1911	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2299	unless $self->difficulty;
1914	Coro::cede;	2300	cf::cede_to_tick;
1915		2301
1916	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2303	$self->decay_objects;
1918	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1919	$self->update_buttons;	2305	$self->update_buttons;
1920	Coro::cede;	2306	cf::cede_to_tick;
1921	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2308	}
1925		2309
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1927	}	2312	}
1928		2313
1929	$self->post_load;	2314	$self->post_load;
1930	}
1931		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2322	sub customise_for {
1933	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1934		2324
1935	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2326	if $self->per_player;
…		…
1939	# if $self->per_party;	2329	# if $self->per_party;
1940		2330
1941	$self	2331	$self
1942	}	2332	}
1943		2333
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2334	sub find_sync {
1969	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1970		2336
1971	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, $origin
1972	}	2342	}
1973		2343
1974	sub do_load_sync {	2344	sub do_load_sync {
1975	my ($map) = @_;	2345	my ($map) = @_;
1976		2346
1977	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1978	}	2352	}
1979		2353
1980	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1982		2356
1983	sub find_async {	2357	sub find_async {
1984	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1985		2359
1986	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1987		2361
1988	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1990	}	2364	}
1991		2365
1992	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1993	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1994	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2373	if (my $map = find $k) {
1997	$map->load;	2374	$map->load if $v;
1998	}	2375	}
1999		2376
2000	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
2001	}	2378	}
2002	}	2379	}
2003	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
2004	};	2381	};
2005	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2006		2383
2007	()	2384	()
2008	}	2385	}
2009		2386
		2387	# common code, used by both ->save and ->swapout
2010	sub save {	2388	sub _save {
2011	my ($self) = @_;	2389	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2390
2015	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2016		2392
2017	return unless $self->dirty;	2393	return unless $self->dirty;
2018		2394
…		…
2024	return if $self->{deny_save};	2400	return if $self->{deny_save};
2025		2401
2026	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
2027		2403
2028	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2030	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2031		2410
2032	if ($uniq) {	2411	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2414	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2416	}
2038	}	2417	}
2039		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2040	sub swap_out {	2427	sub swap_out {
2041	my ($self) = @_;	2428	my ($self) = @_;
2042		2429
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2048	return if $self->players;	2434	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		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
2052	$self->clear;	2445	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2446	}
2055		2447
2056	sub reset_at {	2448	sub reset_at {
2057	my ($self) = @_;	2449	my ($self) = @_;
2058		2450
…		…
2076		2468
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2470
2079	return if $self->players;	2471	return if $self->players;
2080		2472
2081	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
2082		2474
2083	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
2084		2476
2085	# need to save uniques path	2477	# need to save uniques path
2086	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2480
…		…
2090	if $uniq;	2482	if $uniq;
2091	}	2483	}
2092		2484
2093	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2094		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2489	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2490
2099	$self->unlink_save;	2491	$self->unlink_save;
2100	$self->destroy;	2492	$self->destroy;
2101	}	2493	}
2102		2494
2103	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2104		2496
2105	sub nuke {	2497	sub nuke {
2106	my ($self) = @_;	2498	my ($self) = @_;
2107		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2108	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2109		2504
2110	$self->unlink_save;	2505	$self->unlink_save;
2111		2506
2112	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2512
2118	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2119		2515
2120	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2121	}	2517	}
2122		2518
2123	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2165		2561
2166	sub unique_maps() {	2562	sub unique_maps() {
2167	[	2563	[
2168	map {	2564	map {
2169	utf8::decode $_;	2565	utf8::decode $_;
2170	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2171	? normalise $_	2569	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2571	]
2175	}	2572	}
2176		2573
2177	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	}
2178		2605
2179	=back	2606	=back
2180		2607
2181	=head3 cf::object	2608	=head3 cf::object
2182		2609
…		…
2186		2613
2187	=over 4	2614	=over 4
2188		2615
2189	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2190		2617
2191	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.
2192		2620
2193	=cut	2621	=cut
2194		2622
2195	sub inv_recursive_;	2623	sub inv_recursive_;
2196	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2199		2627
2200	sub inv_recursive {	2628	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2202	}	2630	}
2203		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
2204	package cf;	2660	package cf;
2205		2661
2206	=back	2662	=back
2207		2663
2208	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2217		2673
2218	=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	};
2219		2689
2220	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2691	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2707
2238	} else {	2708	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2711	}
2242	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2243	}	2723	}
2244		2724
2245	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2246		2726
2247	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2260		2740
2261	=item $player_object->enter_link	2741	=item $player_object->enter_link
2262		2742
2263	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}>).
2264		2744
2265	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.
2266	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.
2267		2749
2268	Will never block.	2750	Will never block.
2269		2751
2270	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2271		2753
…		…
2291	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2774	my ($self) = @_;
2293		2775
2294	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2295		2777
		2778	++$self->{_link_recursion};
		2779
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2781
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2300		2784
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2786	}
2303		2787
2304	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2306		2790
…		…
2323	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2325		2809
2326	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2329		2813
2330	$map->load;	2814	$map->load;
2331	$map->load_diag;
2332		2815
2333	return unless $self->contr->active;	2816	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2817
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2338	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2339		2825
		2826	}
		2827
2340	=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)]])
2341		2829
2342	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
2343	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2344	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
2345	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
2346	be called at the end of this process.	2834	be called at the end of this process.
2347		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
2348	=cut	2839	=cut
2349		2840
2350	our $GOTOGEN;	2841	our $GOTOGEN;
2351		2842
2352	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2845
		2846	if ($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
2355	# 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
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2854
2358	$self->enter_link;	2855	$self->enter_link;
2359		2856
2360	(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
2361	my $map = eval {	2879	my $map = eval {
2362	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2881
2364	if ($map) {	2882	if ($map) {
2365	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2885	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2887	}
2370		2888
2371	$map	2889	$map
2372	};	2890	};
2373		2891
…		…
2379	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2382	}	2900	}
2383		2901
2384	$done->() if $done;	2902	$done->($self) if $done;
2385	})->prio (1);	2903	})->prio (1);
2386	}	2904	}
2387		2905
2388	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2389		2907
…		…
2409	}	2927	}
2410		2928
2411	sub prepare_random_map {	2929	sub prepare_random_map {
2412	my ($exit) = @_;	2930	my ($exit) = @_;
2413		2931
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2934	# that depends on the exit object
2419		2935
2420	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2938	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2427	}	2945	}
2428		2946
2429	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2430		2948
2431	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2434		2952
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2955	undef $fh;
2438	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2439		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2442	}	2964	}
2443	}	2965	}
2444		2966
2445	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2447		2969
2448	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2449		2971
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2972	$self->enter_link;
2462		2973
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2974	(async {
2468	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2469	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
2470	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2471		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
2472	1;	3013	1
2473	}) {	3014	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3019
2479	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3021	$self->leave_link;
2481	}	3022	}
2482	})->prio (1);	3023	})->prio (1);
2483	}	3024	}
2484		3025
…		…
2496	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2498		3039
2499	utf8::encode $text;	3040	utf8::encode $text;
2500	$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);
2501	}	3067	}
2502		3068
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3070
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2509		3075
2510	=cut	3076	=cut
2511		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" => $CHAT_CHANNEL,
		3190	);
		3191
2512	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3194
2515	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2516		3197
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
2519	if (ref $channel) {	3207	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	3211	$self->ext_msg (channel_info => $channel);
2524	}	3212	}
2525		3213
2526	$channel = $channel->{id};	3214	$channel = $channel->{id};
2527	}	3215	}
2528		3216
2529	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2530		3218
2531	if ($self->can_msg) {	3219	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3221	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3222
2544	if ($color >= 0) {	3223	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3226	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3227
2549	$self->send_packet ("drawinfo $color $msg")	3228	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3229	}
2554		3230
2555	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2556		3232
2557	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2559	=cut	3235	=cut
2560		3236
2561	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2563		3239
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3240	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2572	}	3260	}
2573		3261
2574	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2575		3263
2576	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2631	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2632		3320
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3322
2635	if (ref $msg) {	3323	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg	3325
2638	? @$msg	3326	my @reply;
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3327
2641	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
2647	} else {	3335	} else {
2648	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";
2649	}	3337	}
2650		3338
2651	cf::override;	3339	cf::override;
2652	},	3340	},
2653	);	3341	);
…		…
2673		3361
2674	$coro	3362	$coro
2675	}	3363	}
2676		3364
2677	cf::client->attach (	3365	cf::client->attach (
2678	on_destroy => sub {	3366	on_client_destroy => sub {
2679	my ($ns) = @_;	3367	my ($ns) = @_;
2680		3368
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3370	},
2683	);	3371	);
…		…
2698	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2700		3388
2701	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2702		3390
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2704		3396
2705	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2706		3398
2707	=pod	3399	=pod
2708		3400
2709	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2710		3402
2711	cf::object	3403	cf::object
2712	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
2713	insert remove	3405	insert remove name archname title slaying race decrease split
		3406	value
2714		3407
2715	cf::object::player	3408	cf::object::player
2716	player	3409	player
2717		3410
2718	cf::player	3411	cf::player
…		…
2723		3416
2724	=cut	3417	=cut
2725		3418
2726	for (	3419	for (
2727	["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
2728	insert remove)],	3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2732	) {	3426	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3429	for @funs;
2737	}	3430	}
2738		3431
…		…
2753		3446
2754	my $qcode = $code;	3447	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2757		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2758	local $_;	3454	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3455
2761	my $eval =	3456	my $eval =
2762	"do {\n"	3457	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3460	. $code
2766	. "\n}"	3461	. "\n}"
2767	;	3462	;
2768		3463
		3464	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	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	}
2772		3473
2773	if ($@) {	3474	if ($@) {
2774	warn "$@";	3475	warn "$@",
2775	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2777	}	3478	}
2778		3479
2779	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2780	}	3481	}
2781		3482
…		…
2795	=cut	3496	=cut
2796		3497
2797	sub register_script_function {	3498	sub register_script_function {
2798	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2799		3500
2800	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2802	}	3503	}
2803		3504
2804	=back	3505	=back
2805		3506
2806	=cut	3507	=cut
2807		3508
2808	#############################################################################	3509	#############################################################################
2809	# the server's init and main functions	3510	# the server's init and main functions
2810		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2811	sub load_facedata($) {	3514	sub load_facedata($) {
2812	my ($path) = @_;	3515	my ($path) = @_;
2813		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2814	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2815		3524
2816	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3526
2822	$facedata->{version} == 2	3527	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (cf::face::mangle_chksum Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2825	{	3539	{
2826	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2827		3541
2828	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2830	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
2834		3552
2835	cf::cede_to_tick;	3553	cf::cede_to_tick;
2836	}	3554	}
2837		3555
2838	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2840	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2841	or next;	3560	or next;
		3561
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3565	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3567	}
2848		3568
2849	cf::cede_to_tick;	3569	cf::cede_to_tick;
2850	}	3570	}
2851	}	3571	}
…		…
2860		3580
2861	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2862	}	3582	}
2863		3583
2864	{	3584	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3586
2870	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3588	if (defined (my $type = $info->{type})) {
2872	name => $name,	3589	# TODO: different hash - must free and use new index, or cache ixface data queue
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2877		3591
2878	if ($info->{type} & 1) {
2879	# prepend meta info
2880
2881	my $data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2883
2884	cf::face::set_data $idx, 0, $data, $chk;	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
2885	} else {	3596	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3597	# $RESOURCE{$name} = $info; # unused
2887	}	3598	}
2888		3599
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;	3600	cf::cede_to_tick;
2892	}	3601	}
2893	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2894		3605
2895	1	3606	1
2896	}	3607	}
2897		3608
2898	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
2901	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
2903	}	3614	}
2904	};	3615	};
2905		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2906	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2907	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
2909		3634
2910	for (cf::region::list) {	3635	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3636	$_->{match} = qr/$_->{match}/
…		…
2919	}	3644	}
2920		3645
2921	sub reload_archetypes {	3646	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references
2925	# this really needs to be done in an extra post-pass
2926	# (which needs to be synchronous, so solve it differently)
2927	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";
2929	}	3649	}
2930		3650
2931	sub reload_treasures {	3651	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2934	}	3654	}
2935		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2936	sub reload_resources {	3676	sub reload_resources {
2937	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2938		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2939	reload_regions;	3684	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3685	reload_treasures;
2944		3686
2945	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2946	}	3688	}
2947		3689
2948	sub init {	3690	sub reload_config {
2949	reload_resources;	3691	trace "reloading config file...\n";
2950	}
2951		3692
2952	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2954	or return;	3695	*CFG = decode_yaml $config;
2955		3696
2956	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;
2958
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2960		3698
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2963		3701
2964	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2968	};	3706	};
2969	warn $@ if $@;	3707	warn $@ if $@;
2970	}	3708	}
2971	}	3709	}
2972		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2973	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2974	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3752	(async {
2978	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2980	};	3756	};
2981		3757
2982	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2983	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2984	load_extensions;	3781	load_extensions;
2985		3782
2986	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2987	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2988	}	3800	}
2989		3801
2990	#############################################################################	3802	#############################################################################
2991	# initialisation and cleanup	3803	# initialisation and cleanup
2992		3804
2993	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2994	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3003	},
3004	);	3811	};
3005	}	3812	}
3006	}	3813	}
3007		3814
3008	sub write_runtime {	3815	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3010		3817
3011	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3013		3820
3014	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3822
3016	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3017		3824
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3019	or return;	3826	or return;
3020		3827
3021	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3034		3841
3035	close $fh	3842	close $fh
3036	or return;	3843	or return;
3037		3844
3038	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3846	and return;
3040		3847
3041	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3042		3849
3043	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
3044	}	3901	}
3045		3902
3046	sub emergency_save() {	3903	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3048		3905
3049	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3050		3912
3051	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3052	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	3924	$pl->save;
3060	}	3925	}
3061	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3062		3927
3063	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	3933	$map->valid or next;
3067	$map->save;	3934	$map->save;
3068	}	3935	}
3069	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3070		3937
3071	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3074	};	3966	};
3075		3967
3076	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3077	}	3969	}
3078		3970
3079	sub post_cleanup {	3971	sub post_cleanup {
3080	my ($make_core) = @_;	3972	my ($make_core) = @_;
3081		3973
		3974	IO::AIO::flush;
		3975
3082	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
3084	}	4006	}
3085		4007
3086	sub do_reload_perl() {	4008	sub do_reload_perl() {
3087	# can/must only be called in main	4009	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3089	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3090	return;	4012	return;
3091	}	4013	}
3092		4014
3093	warn "reloading...";	4015	return if $RELOAD++;
3094		4016
3095	warn "entering sync_job";	4017	my $t1 = AE::time;
3096		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3097	cf::sync_job {	4025	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark
3099	cf::emergency_save;	4026	#cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark
3101		4027
3102	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;
3104
3105	# if anything goes wrong in here, we should simply crash as we already saved
3106
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;
3118	warn "iterate...";
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();	4030	%EXT_CORO = ();
3126		4031
3127	warn "removing commands";	4032	trace "perl_reload: removing commands";
3128	%COMMAND = ();	4033	%COMMAND = ();
3129		4034
3130	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3131	%EXTCMD = ();	4036	%EXTCMD = ();
3132	%EXTICMD = ();	4037	%EXTICMD = ();
3133		4038
3134	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3137		4042
3138	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3139	eval {	4044	eval {
3140	$cb->($pkg);	4045	$cb->($pkg);
3141	1	4046	1
3142	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
3143	}	4052	}
3144		4053
3145	warn "... nuking $pkg";
3146	Symbol::delete_package $pkg;
3147	}
3148
3149	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3150	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		4057
3153	warn "... unloading $k";	4058	trace "... unloading $k";
3154	delete $INC{$k};	4059	delete $INC{$k};
3155		4060
3156	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3158		4063
3159	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3160	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3161	}	4069	}
3162		4070
3163	Symbol::delete_package $k;
3164	}
3165
3166	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		4074
3170	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3173		4078
3174	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3175	# and global variables created in xs	4080	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3177		4082
3178	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3179		4084
3180	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3181	require cf;	4086	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3183		4088
3184	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3185	cf::cfg_load;	4090	cf::reload_config;
3186		4091
3187	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3188	cf::load_extensions;	4093	cf::load_extensions;
3189		4094
		4095	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3193	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3196		4103
3197	warn "leaving sync_job";	4104	cf::_post_init 1;
3198		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3199	1	4108	1
3200	} or do {	4109	} or do {
3201	warn $@;	4110	error $@;
3202	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3203	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3204	};	4115	}
3205		4116
3206	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3207	};	4119	};
3208		4120
3209	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3210		4122
3211	sub reload_perl() {	4123	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3214		4126
3215	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	4129
3218	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	4131	do_reload_perl;
3221	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3222	},	4133	};
3223	);	4134	};
3224	}	4135	}
3225		4136
3226	register_command "reload" => sub {	4137	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3228		4139
3229	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	4144	reload_perl;
		4145	};
3232	}	4146	}
3233	};	4147	};
3234		4148
3235	unshift @INC, $LIBDIR;	4149	#############################################################################
3236		4150
3237	my $bug_warning = 0;	4151	my $bug_warning = 0;
3238		4152
3239	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;
3241
3242	sub wait_for_tick {	4153	sub wait_for_tick() {
3243	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3244	return if $Coro::current == $Coro::main;
3245		4155
3246	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3247	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;
3249	}	4157	}
3250		4158
3251	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3252	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3253	return if $Coro::current == $Coro::main;
3254		4161
3255	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	4164	$signal->wait;
3258	}	4165	}
3259		4166
3260	my $min = 1e6;#d#	4167	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3272	return;	4171	return;
3273	}	4172	}
3274		4173
3275	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3276		4175
3277	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3278		4177
3279	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3280	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3281	my $t = Event::time;	4180	Coro::async_pool {
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
3283	or die;	4182	write_runtime_sync
3284		4183	or error "ERROR: unable to write runtime file: $!";
3285	$map->width (50);
3286	$map->height (50);
3287	$map->alloc;
3288	$map->_load_objects ("/tmp/x.map", 1);
3289	my $t = Event::time - $t;
3290
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	4184	};
		4185	}
3301		4186
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	4188	$sig->send;
3318	}	4189	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3320	$sig->send;
3321	}
3322		4191
3323	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		4194
3334	_post_tick;	4195	if (0) {
3335		4196	if ($NEXT_TICK) {
3336		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3337	},	4201	}
3338	);	4202	}
3339		4203
3340	{	4204	{
3341	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	4206
3343	reentrant => 0,
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3351		4208	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		4210
3367	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		4218
3370	cf::sync_job {	4219	cf::sync_job {
3371	eval {	4220	eval {
3372	BDB::db_env_open	4221	BDB::db_env_open
3373	$DB_ENV,	4222	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	4226	0666;
3378		4227
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	4229	};
3384		4230
3385	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	4232	};
3387	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
3388	}	4244	}
3389		4245
3390	{	4246	{
		4247	# configure IO::AIO
		4248
3391	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	4252	}
3404		4253
3405	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3406		4256
3407	sub _log_backtrace {	4257	sub _log_backtrace {
3408	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3409		4259
3410	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3411		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3412	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3414	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3415	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3416	my @bt = fork_call {	4273	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3428	}	4285	}
3429		4286
3430	@funcs	4287	@funcs
3431	};	4288	};
3432		4289
3433	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	4293	--$_log_backtrace;
3436	};	4294	};
3437	} else {	4295	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3439	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3440	}	4298	}
3441	}	4299	}
3442		4300
3443	# load additional modules	4301	# load additional modules
3444	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3445		4304
3446	END { cf::emergency_save }	4305	END { cf::emergency_save }
3447		4306
3448	1	4307	1
3449		4308

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