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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 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 ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	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;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	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.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	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
129	every server tick.	227	every server tick.
130		228
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		232
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		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
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$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;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	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	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	333	for my $pkg (qw(
198	cf::global cf::attachable	334	cf::global cf::attachable
199	cf::object cf::object::player	335	cf::object cf::object::player
200	cf::client cf::player	336	cf::client cf::player
201	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
202	cf::map cf::party cf::region	339	cf::party cf::region
203	)) {	340	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	342	}
207		343
208	$Event::DIED = sub {	344	$EV::DIED = sub {
209	warn "error in event callback: @_";	345	warn "error in event callback: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
211		352
212	#############################################################################	353	#############################################################################
213		354
214	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
215		356
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	378	$d
238	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
239	}	380	}
240		381
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
242		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		441
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[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	}
		510
251	=item cf::lock_wait $string	511	=item cf::lock_wait $string
252		512
253	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
254		514
255	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
256		516
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
260	returned.	520	returned.
261		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
262	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
263	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
264		527
265	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
266		529
267	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.
268		531
269	=cut	532	=cut
270		533
271	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
272		535
273	sub lock_wait($) {	536	sub lock_wait($) {
274	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	538	}
282		539
283	sub lock_acquire($) {	540	sub lock_acquire($) {
284	my ($key) = @_;	541	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	542	}
296		543
297	sub lock_active($) {	544	sub lock_active($) {
298	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	546	}
302		547
303	sub freeze_mainloop {	548	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
305		550
306	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
308	};	621	}
309	$TICK_WATCHER->stop;	622	};
310	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
311	}	637	}
312		638
313	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
314		640
315	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		646
321	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
322		648
323	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
324		650
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	654	acceptable.
329		655
330	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	661	=cut
336		662
337	sub sync_job(&) {	663	sub sync_job(&) {
338	my ($job) = @_;	664	my ($job) = @_;
339		665
340	if ($Coro::current == $Coro::main) {	666	if (in_main) {
341	my $time = Event::time;	667	my $time = AE::time;
342		668
343	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
345		671
346	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	673
348	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
349		675
350	my $busy = 1;	676	my $busy = 1;
351	my @res;	677	my @res;
352		678
353	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	681	@res = eval { $job->() };
355	warn $@ if $@;	682	error $@ if $@;
356	undef $busy;	683	undef $busy;
357	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
358		685
359	while ($busy) {	686	while ($busy) {
360	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
361	}	691	}
		692	}
362		693
363	$time = Event::time - $time;	694	my $time = AE::time - $time;
364		695
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
369		697
370	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
371	} else {	699	} else {
372	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
373		701
…		…
393	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
394		722
395	$coro	723	$coro
396	}	724	}
397		725
398	=item fork_call { }, $args	726	=item fork_call { }, @args
399		727
400	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
404		732
405	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
406		738
407	sub fork_call(&@) {	739	sub fork_call(&@) {
408	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
409		741
410	# 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,
411	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		745
415	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
416	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
417		750
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	752	}
420		753
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	790	}
441		791
442	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
443		793
444	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
447		797
448	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
449	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).
450		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
451	=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	}
452		827
453	our $DB;	828	our $DB;
454		829
455	sub db_init {	830	sub db_init {
456	unless ($DB) {	831	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	832	}
471		833
472	sub db_get($$) {	834	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
474		836
475	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
476	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
477		841
478	$! ? ()	842	$! ? ()
479	: $data	843	: $data
480	}
481	}	844	}
482		845
483	sub db_put($$$) {	846	sub db_put($$$) {
484	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		876
514	my @data;	877	my @data;
515	my $md5;	878	my $md5;
516		879
517	for (0 .. $#$src) {	880	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	882	}
521		883
522	# if processing is expensive, check	884	# if processing is expensive, check
523	# checksum first	885	# checksum first
524	if (1) {	886	if (1) {
525	$md5 =	887	$md5 =
526	join "\x00",	888	join "\x00",
527	$processversion,	889	$processversion,
528	map {	890	map {
529	Coro::cede;	891	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	893	} 0.. $#$src;
532		894
533		895
534	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		903
542	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	905	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
545		907
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		909
548	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
551		913
…		…
561		923
562	=cut	924	=cut
563		925
564	sub datalog($@) {	926	sub datalog($@) {
565	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	929	}
568		930
569	=back	931	=back
570		932
571	=cut	933	=cut
572		934
573	#############################################################################	935	#############################################################################
574		936
575	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
576		938
577	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
578	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")
579	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
580		942
581	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>
582	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
583	Crossfire TRT).	945	Deliantra).
584		946
585	=over 4	947	=over 4
586		948
587	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
588		950
…		…
632	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
633		995
634	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
635	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
636		998
637	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
639		1001
640	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
641		1003
642	=over 4	1004	=over 4
…		…
766		1128
767	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1131
770	} elsif (ref $type) {	1132	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
772		1134
773	} else {	1135	} else {
774	shift @arg;	1136	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
776	}	1138	}
777	}	1139	}
778	}	1140	}
779		1141
780	sub _object_attach {	1142	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
791	}	1153	}
792		1154
793	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
794	} else {	1156	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1158	}
797		1159
798	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
799	}	1161	}
800		1162
…		…
840	";	1202	";
841	die if $@;	1203	die if $@;
842	}	1204	}
843		1205
844	our $override;	1206	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1208
847	sub override {	1209	sub override {
848	$override = 1;	1210	$override = 1;
849	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
850	}	1212	}
851		1213
852	sub do_invoke {	1214	sub do_invoke {
853	my $event = shift;	1215	my $event = shift;
854	my $callbacks = shift;	1216	my $callbacks = shift;
855		1217
856	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
857		1219
858	local $override;	1220	local $override;
859		1221
860	for (@$callbacks) {	1222	for (@$callbacks) {
861	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
862		1224
863	if ($@) {	1225	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1227	override;
867	}	1228	}
868		1229
869	return 1 if $override;	1230	return 1 if $override;
870	}	1231	}
871		1232
872	0	1233	0
873	}	1234	}
874		1235
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1237
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1239
879	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
880		1241
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1245
885	=back	1246	=back
886		1247
887	=cut	1248	=cut
888		1249
889	#############################################################################	1250	#############################################################################
890	# object support	1251	# object support
		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#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
891		1294
892	sub reattach {	1295	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1297	my ($obj) = @_;
895		1298
		1299	# no longer needed after getting rid of delete_package?
896	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
897		1301
898	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
899		1303
900	@$registry = ();	1304	@$registry = ();
901		1305
…		…
906	for (@$attach) {	1310	for (@$attach) {
907	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
909	}	1313	}
910	} else {	1314	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1316	}
913	}	1317	}
914	}	1318	}
915		1319
916	cf::attachable->attach (	1320	cf::attachable->attach (
917	prio => -1000000,	1321	prio => -1000000,
918	on_instantiate => sub {	1322	on_instantiate => sub {
919	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
920		1324
921	$data = from_json $data;	1325	$data = decode_json $data;
922		1326
923	for (@$data) {	1327	for (@$data) {
924	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
925		1329
926	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1346	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
944		1348
945	sync_job {	1349	sync_job {
946	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
949		1355
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1363	aio_close $fh;
955		1364
956	if (@$objs) {	1365	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1374	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
964	}	1376	}
965	} else {	1377	} else {
966	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
967	}	1379	}
968		1380
969	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1385	} else {
971	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
972	}	1387	}
973	} else {	1388	} else {
974	aio_unlink $filename;	1389	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
976	}	1391	}
977	}	1392	};
978	}	1393	}
979		1394
980	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
982		1397
…		…
994	or return;	1409	or return;
995		1410
996	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
998	or return;	1413	or return;
		1414
999	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1000	}	1417	}
1001		1418
		1419	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1004	return ($data, $av);	1424	($data, $av)
1005	}	1425	}
1006		1426
1007	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1008		1428
1009	=over 4	1429	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1450	}
1031		1451
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1453
1034	Register a callback fro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
1035		1459
1036	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1037	called.	1461	called.
1038		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
1039	=cut	1474	=cut
1040		1475
1041	sub register_extcmd {	1476	sub register_extcmd {
1042	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
1043		1478
1044	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
1045	}	1480	}
1046		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
1047	cf::player->attach (	1490	cf::player->attach (
1048	on_command => sub {	1491	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1050		1493
1051	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1052	or return;	1495	or return;
1053		1496
…		…
1058	cf::override;	1501	cf::override;
1059	},	1502	},
1060	on_extcmd => sub {	1503	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1062		1505
1063	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1507
1065	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1071	} else {	1520	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1522	}
1074		1523
1075	cf::override;	1524	cf::override;
1076	},	1525	},
1077	);	1526	);
1078		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
1079	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1080	cf::sync_job {	1557	cf::sync_job {
1081	my %todo;	1558	my %todo;
1082		1559
1083	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1561	next unless -r $path;
…		…
1102		1579
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1582
1106	$ext{source} =	1583	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1109	. $source	1586	. $source
1110	. "\n};\n1";	1587	. "\n};\n1";
1111		1588
1112	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1113	}	1590	}
1114		1591
		1592	my $pass = 0;
1115	my %done;	1593	my %done;
1116	while (%todo) {	1594	while (%todo) {
1117	my $progress;	1595	my $progress;
1118		1596
		1597	++$pass;
		1598
		1599	ext:
1119	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1602	next ext
1122	unless exists $done{$_};	1603	unless exists $done{$_};
1123	}	1604	}
1124		1605
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1607
1127	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 $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1132	warn $msg;	1624
1133	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1626	delete $todo{$k};
1135	}	1627	} else {
1136		1628	$done{$k} = delete $todo{$k};
1137	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1138	}	1634	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1635	}
1144		1636
1145	skip:	1637	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1647	}
1149	};	1648	};
1150	}	1649	}
1151		1650
1152	#############################################################################	1651	#############################################################################
1153		1652
1154	=back	1653	=back
1155		1654
1156	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1157		1656
1158	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1159		1658
1160	=cut	1659	=cut
1161		1660
1162	package cf::player;	1661	package cf::player;
1163		1662
1164	use Coro::AIO;	1663	use Coro::AIO;
1165		1664
1166	=head3 cf::player	1665	=head3 cf::player
1167		1666
1168	=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	}
1169		1682
1170	=item cf::player::find $login	1683	=item cf::player::find $login
1171		1684
1172	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1173		1686
…		…
1192		1705
1193	sub exists($) {	1706	sub exists($) {
1194	my ($login) = @_;	1707	my ($login) = @_;
1195		1708
1196	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1198	}	1711	}
1199		1712
1200	sub find($) {	1713	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1715	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1726
1214	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1217	}	1736	}
1218	}	1737	}
1219	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1220		1752
1221	sub save($) {	1753	sub save($) {
1222	my ($pl) = @_;	1754	my ($pl) = @_;
1223		1755
1224	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1230		1762
1231	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1235	Coro::cede;	1772	cf::cede_to_tick;
1236	}	1773	}
1237		1774
1238	sub new($) {	1775	sub new($) {
1239	my ($login) = @_;	1776	my ($login) = @_;
1240		1777
…		…
1246	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1247		1784
1248	$self	1785	$self
1249	}	1786	}
1250		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
1251	=item $pl->quit_character	1798	=item $pl->quit_character
1252		1799
1253	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1255		1802
…		…
1259	my ($pl) = @_;	1806	my ($pl) = @_;
1260		1807
1261	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1262		1809
1263	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1264	$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
1265		1812
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1269	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1270		1821
1271	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1308	or return [];	1859	or return [];
1309		1860
1310	my @logins;	1861	my @logins;
1311		1862
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1316		1873
1317	utf8::decode $login;	1874	utf8::decode $login;
1318	push @logins, $login;	1875	push @logins, $login;
1319	}	1876	}
1320		1877
1321	\@logins	1878	\@logins
1322	}	1879	}
1323		1880
1324	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1325		1884
1326	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1327	player. May block.	1886	player. May block.
1328		1887
1329	=cut	1888	=cut
…		…
1347	}	1906	}
1348		1907
1349	\@paths	1908	\@paths
1350	}	1909	}
1351		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1352	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1353		1916
1354	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1355		1918
1356	=cut	1919	=cut
1357		1920
1358	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1360		1923
1361	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1925	}
1365		1926
1366	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1367		1928
1368	Sends an ext event to the client.	1929	Sends an ext event to the client.
1369		1930
1370	=cut	1931	=cut
1371		1932
1372	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1374		1935
1375	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1376	}	1937	}
1377		1938
1378	=head3 cf::region	1939	=head3 cf::region
1379		1940
1380	=over 4	1941	=over 4
…		…
1390	=cut	1951	=cut
1391		1952
1392	sub find_by_path($) {	1953	sub find_by_path($) {
1393	my ($path) = @_;	1954	my ($path) = @_;
1394		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1395	my ($match, $specificity);	1958	my ($match, $specificity);
1396		1959
1397	for my $region (list) {	1960	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1401	}	1964	}
1402	}	1965	}
1403		1966
…		…
1424	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1426		1989
1427	sub generate_random_map {	1990	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1430	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1996	}
1444		1997
1445	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1446		1999
1447	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
…		…
1452		2005
1453	sub register {	2006	sub register {
1454	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2008	my $pkg = caller;
1456		2009
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2011
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2013	}
1462		2014
1463	# also paths starting with '/'	2015	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2017
1466	sub thawer_merge {	2018	sub thawer_merge {
1467	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1468		2020
1469	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1474	}	2026	}
1475		2027
1476	sub normalise {	2028	sub normalise {
1477	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1478		2030
1479	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1480		2032
1481	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1482		2034
1483	# map plan:	2035	# map plan:
1484	#	2036	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2052	$path = "$base/$path";
1501	}	2053	}
1502		2054
1503	for ($path) {	2055	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1507	}	2058	}
1508		2059
1509	$path	2060	$path
…		…
1523	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1524	return $self;	2075	return $self;
1525	}	2076	}
1526	}	2077	}
1527		2078
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2080	()
1530	}	2081	}
1531		2082
		2083	# may re-bless or do other evil things
1532	sub init {	2084	sub init {
1533	my ($self) = @_;	2085	my ($self) = @_;
1534		2086
1535	$self	2087	$self
1536	}	2088	}
…		…
1555		2107
1556	# the temporary/swap location	2108	# the temporary/swap location
1557	sub save_path {	2109	sub save_path {
1558	my ($self) = @_;	2110	my ($self) = @_;
1559		2111
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1562	}	2114	}
1563		2115
1564	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1565	sub uniq_path {	2117	sub uniq_path {
1566	my ($self) = @_;	2118	my ($self) = @_;
1567		2119
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2122	}
1580		2123
1581	sub decay_objects {	2124	sub decay_objects {
1582	my ($self) = @_;	2125	my ($self) = @_;
1583		2126
…		…
1596		2139
1597	sub load_header_from($) {	2140	sub load_header_from($) {
1598	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1599		2142
1600	utf8::encode $path;	2143	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2145	or return;
1606		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1607	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1608		2154
1609	1	2155	1
1610	}	2156	}
1611		2157
		2158	# used to laod the header of an original map
1612	sub load_header_orig {	2159	sub load_header_orig {
1613	my ($self) = @_;	2160	my ($self) = @_;
1614		2161
1615	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1616	}	2163	}
1617		2164
		2165	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2166	sub load_header_temp {
1619	my ($self) = @_;	2167	my ($self) = @_;
1620		2168
1621	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1622	}	2170	}
1623		2171
		2172	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2173	sub prepare_temp {
1625	my ($self) = @_;	2174	my ($self) = @_;
1626		2175
1627	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1629	# safety	2178	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2181	}
1633		2182
		2183	# called after loading the header from an original map
1634	sub prepare_orig {	2184	sub prepare_orig {
1635	my ($self) = @_;	2185	my ($self) = @_;
1636		2186
1637	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2212
1663	sub find;	2213	sub find;
1664	sub find {	2214	sub find {
1665	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1666		2216
		2217	cf::cede_to_tick;
		2218
1667	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1668		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2223
1671	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1674	or return;	2226	or return;
1675		2227
1676	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1677		2229
…		…
1679	or return;	2231	or return;
1680		2232
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1684	$map->reset;	2238	$map->reset;
1685	undef $guard;
1686	return find $path;	2239	return find $path;
1687	}	2240	}
1688		2241
1689	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1690	}	2243	}
1691	}	2244	}
1692		2245
1693	sub pre_load { }	2246	sub pre_load { }
1694	sub post_load { }	2247	#sub post_load { } # XS
1695		2248
1696	sub load {	2249	sub load {
1697	my ($self) = @_;	2250	my ($self) = @_;
1698		2251
1699	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1700		2253
1701	my $path = $self->{path};	2254	my $path = $self->{path};
1702		2255
1703	{	2256	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1705		2258
		2259	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2261
1710	$self->alloc;	2262	$self->alloc;
1711		2263
1712	$self->pre_load;	2264	$self->pre_load;
1713	Coro::cede;	2265	cf::cede_to_tick;
1714		2266
1715	$self->_load_objects ($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)
1716	or return;	2271	or return;
1717		2272
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1719	if delete $self->{load_original};	2274	if delete $self->{load_original};
1720		2275
1721	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2277	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2280	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1726	}	2285	}
1727	}
1728		2286
1729	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;
1730	# now do the right thing for maps	2296	# now do the right thing for maps
1731	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2299	unless $self->difficulty;
1734	Coro::cede;	2300	cf::cede_to_tick;
1735		2301
1736	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2303	$self->decay_objects;
1738	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1739	$self->update_buttons;	2305	$self->update_buttons;
1740	Coro::cede;	2306	cf::cede_to_tick;
1741	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2308	}
1745		2309
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1747	}	2312	}
1748		2313
1749	$self->post_load;	2314	$self->post_load;
1750	}
1751		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2322	sub customise_for {
1753	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1754		2324
1755	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2326	if $self->per_player;
…		…
1759	# if $self->per_party;	2329	# if $self->per_party;
1760		2330
1761	$self	2331	$self
1762	}	2332	}
1763		2333
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2334	sub find_sync {
1789	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1790		2336
1791	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, $origin
1792	}	2342	}
1793		2343
1794	sub do_load_sync {	2344	sub do_load_sync {
1795	my ($map) = @_;	2345	my ($map) = @_;
1796		2346
1797	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;
1798	}	2352	}
1799		2353
1800	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1802		2356
1803	sub find_async {	2357	sub find_async {
1804	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1805		2359
1806	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1807		2361
1808	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1810	}	2364	}
1811		2365
1812	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1813	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1814	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2373	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2374	$map->load if $v;
		2375	}
1819		2376
1820	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1821	}	2378	}
1822	}	2379	}
1823	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1824	};	2381	};
1825	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1826		2383
1827	()	2384	()
1828	}	2385	}
1829		2386
		2387	# common code, used by both ->save and ->swapout
1830	sub save {	2388	sub _save {
1831	my ($self) = @_;	2389	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2390
1835	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1836		2392
1837	return unless $self->dirty;	2393	return unless $self->dirty;
1838		2394
…		…
1844	return if $self->{deny_save};	2400	return if $self->{deny_save};
1845		2401
1846	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1847		2403
1848	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1850	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1851		2410
1852	if ($uniq) {	2411	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2414	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2416	}
1858	}	2417	}
1859		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1860	sub swap_out {	2427	sub swap_out {
1861	my ($self) = @_;	2428	my ($self) = @_;
1862		2429
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1868	return if $self->players;	2434	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		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
1872	$self->clear;	2445	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2446	}
1875		2447
1876	sub reset_at {	2448	sub reset_at {
1877	my ($self) = @_;	2449	my ($self) = @_;
1878		2450
…		…
1896		2468
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2470
1899	return if $self->players;	2471	return if $self->players;
1900		2472
1901	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1902		2474
1903	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1904		2476
1905	# need to save uniques path	2477	# need to save uniques path
1906	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2480
…		…
1910	if $uniq;	2482	if $uniq;
1911	}	2483	}
1912		2484
1913	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1914		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2489	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2490
1919	$self->unlink_save;	2491	$self->unlink_save;
1920	$self->destroy;	2492	$self->destroy;
1921	}	2493	}
1922		2494
1923	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1924		2496
1925	sub nuke {	2497	sub nuke {
1926	my ($self) = @_;	2498	my ($self) = @_;
1927		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1928	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1929		2504
1930	$self->unlink_save;	2505	$self->unlink_save;
1931		2506
1932	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2512
1938	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1939		2515
1940	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
1941	}	2517	}
1942		2518
1943	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
1985		2561
1986	sub unique_maps() {	2562	sub unique_maps() {
1987	[	2563	[
1988	map {	2564	map {
1989	utf8::decode $_;	2565	utf8::decode $_;
1990	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
1991	? normalise $_	2569	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2571	]
1995	}	2572	}
1996		2573
1997	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	}
1998		2605
1999	=back	2606	=back
2000		2607
2001	=head3 cf::object	2608	=head3 cf::object
2002		2609
…		…
2006		2613
2007	=over 4	2614	=over 4
2008		2615
2009	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2010		2617
2011	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.
2012		2620
2013	=cut	2621	=cut
2014		2622
2015	sub inv_recursive_;	2623	sub inv_recursive_;
2016	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2019		2627
2020	sub inv_recursive {	2628	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2022	}	2630	}
2023		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
2024	package cf;	2660	package cf;
2025		2661
2026	=back	2662	=back
2027		2663
2028	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2034	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>
2035	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
2036	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2037		2673
2038	=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	};
2039		2689
2040	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2691	# with dialog boxes.
2042	#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
2043	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2045		2695
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2697
2048	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
2050	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
2053	}	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 (@_);
2054	}	2723	}
2055		2724
2056	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2057		2726
2058	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2071		2740
2072	=item $player_object->enter_link	2741	=item $player_object->enter_link
2073		2742
2074	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}>).
2075		2744
2076	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.
2077	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.
2078		2749
2079	Will never block.	2750	Will never block.
2080		2751
2081	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2082		2753
…		…
2102	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2774	my ($self) = @_;
2104		2775
2105	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2106		2777
		2778	++$self->{_link_recursion};
		2779
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2781
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2111		2784
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2786	}
2114		2787
2115	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2117		2790
…		…
2134	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2136		2809
2137	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2140		2813
2141	$map->load;	2814	$map->load;
2142	$map->load_diag;
2143		2815
2144	return unless $self->contr->active;	2816	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2817
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2149	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2150		2825
		2826	}
		2827
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2829
2153	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
2154	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2155	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
2156	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		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 >>.
2157		2838
2158	=cut	2839	=cut
2159		2840
2160	our $GOTOGEN;	2841	our $GOTOGEN;
2161		2842
2162	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($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	}
2164		2851
2165	# 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
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2854
2168	$self->enter_link;	2855	$self->enter_link;
2169		2856
2170	(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
2171	my $map = eval {	2879	my $map = eval {
2172	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2173		2881
2174	if ($map) {	2882	if ($map) {
2175	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2885	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2887	}
2180		2888
2181	$map	2889	$map
2182	};	2890	};
2183		2891
…		…
2188		2896
2189	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2192	}	2900	}
		2901
		2902	$done->($self) if $done;
2193	})->prio (1);	2903	})->prio (1);
2194	}	2904	}
2195		2905
2196	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2197		2907
…		…
2217	}	2927	}
2218		2928
2219	sub prepare_random_map {	2929	sub prepare_random_map {
2220	my ($exit) = @_;	2930	my ($exit) = @_;
2221		2931
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2934	# that depends on the exit object
2227		2935
2228	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2938	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2235	}	2945	}
2236		2946
2237	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2238		2948
2239	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2242		2952
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2955	undef $fh;
2246	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2247		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2250	}	2964	}
2251	}	2965	}
2252		2966
2253	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2255		2969
2256	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2257		2971
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2972	$self->enter_link;
2270		2973
2271	(async {	2974	(async {
2272	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2273	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
2274	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2275		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
2276	1;	3013	1
2277	}) {	3014	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "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. "
2280	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2282		3019
2283	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2284	$self->leave_link;	3021	$self->leave_link;
2285	}	3022	}
2286	})->prio (1);	3023	})->prio (1);
2287	}	3024	}
2288		3025
…		…
2302		3039
2303	utf8::encode $text;	3040	utf8::encode $text;
2304	$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);
2305	}	3042	}
2306		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);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		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" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2307	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2308		3232
2309	Sends an exti event to the client.	3233	Sends an ext event to the client.
2310		3234
2311	=cut	3235	=cut
2312		3236
2313	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2315		3239
2316	$msg{msgtype} = "event_$type";	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2318	}	3253	}
2319		3254
2320	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2321		3256
2322	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3260
2326	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3262	become reliable at some point in the future.
2328		3263
2329	=cut	3264	=cut
2330		3265
2331	sub cf::client::query {	3266	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3275	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3277
2343	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2345	}	3282	}
2346		3283
2347	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
2348	on_reply => sub {	3290	on_reply => sub {
2349	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2350		3292
2351	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2352	# get handled first	3294	# get handled first
…		…
2364	} else {	3306	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3308	}
2367	}	3309	}
2368	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2369	);	3334	);
2370		3335
2371	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2372		3337
2373	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3354
2390	$coro	3355	$coro
2391	}	3356	}
2392		3357
2393	cf::client->attach (	3358	cf::client->attach (
2394	on_destroy => sub {	3359	on_client_destroy => sub {
2395	my ($ns) = @_;	3360	my ($ns) = @_;
2396		3361
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3363	},
2399	);	3364	);
…		…
2414	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2416		3381
2417	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2418		3383
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2420		3389
2421	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2422		3391
2423	=pod	3392	=pod
2424		3393
2425	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2426		3395
2427	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2428	cf::object::player player	3401	cf::object::player
2429	cf::player peaceful	3402	player
2430	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2431		3409
2432	=cut	3410	=cut
2433		3411
2434	for (	3412	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2439	) {	3419	) {
2440	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2443	for @funs;	3422	for @funs;
2444	}	3423	}
2445		3424
…		…
2460		3439
2461	my $qcode = $code;	3440	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2464		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2465	local $_;	3447	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3448
2468	my $eval =	3449	my $eval =
2469	"do {\n"	3450	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3453	. $code
2473	. "\n}"	3454	. "\n}"
2474	;	3455	;
2475		3456
		3457	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2479		3466
2480	if ($@) {	3467	if ($@) {
2481	warn "$@";	3468	warn "$@",
2482	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2483	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2484	}	3471	}
2485		3472
2486	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2487	}	3474	}
2488		3475
…		…
2502	=cut	3489	=cut
2503		3490
2504	sub register_script_function {	3491	sub register_script_function {
2505	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2506		3493
2507	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2509	}	3496	}
2510		3497
2511	=back	3498	=back
2512		3499
2513	=cut	3500	=cut
2514		3501
2515	#############################################################################	3502	#############################################################################
2516	# the server's init and main functions	3503	# the server's init and main functions
2517		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2518	sub load_facedata($) {	3529	sub load_facedata($) {
2519	my ($path) = @_;	3530	my ($path) = @_;
2520		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2521	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2522		3539
2523	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2524	0 < aio_load $path, $facedata
2525	or die "$path: $!";
2526
2527	$facedata = Coro::Storable::thaw $facedata;
2528		3541
2529	$facedata->{version} == 2	3542	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3544
		3545	cf::cede_to_tick;
		3546
2532	{	3547	{
2533	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2534		3549
2535	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2541	}	3562	}
2542		3563
2543	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2545	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2546	or next;	3568	or next;
		3569
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3573	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3575	}
2552	Coro::cede;	3576
		3577	cf::cede_to_tick;
2553	}	3578	}
2554	}	3579	}
2555		3580
2556	{	3581	{
2557	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2558		3583
2559	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3586	cf::cede_to_tick;
2562	}	3587	}
2563		3588
2564	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2565	}	3590	}
2566		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2567	1	3614	1
2568	}	3615	}
2569		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2570	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2571	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2573	}	3660	}
2574		3661
2575	sub reload_facedata {	3662	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2578	}	3665	}
2579		3666
2580	sub reload_archetypes {	3667	sub reload_archetypes {
2581	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2582	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2583	}	3679	}
2584		3680
2585	sub reload_treasures {	3681	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2588	}	3684	}
2589		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
2590	sub reload_resources {	3761	sub reload_resources {
2591	warn "reloading resource files...\n";	3762	trace "reloading resource files...\n";
2592		3763
		3764	reload_materials;
		3765	reload_facedata;
		3766	reload_exp_table;
		3767	reload_sound;
		3768	reload_archetypes;
2593	reload_regions;	3769	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3770	reload_treasures;
		3771	reload_pod;
2598		3772
2599	warn "finished reloading resource files\n";	3773	trace "finished reloading resource files\n";
2600	}	3774	}
2601		3775
2602	sub init {	3776	sub reload_config {
2603	reload_resources;	3777	trace "reloading config file...\n";
2604	}
2605		3778
2606	sub cfg_load {	3779	my $config = load_file "$CONFDIR/config";
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3780	utf8::decode $config;
2608	or return;	3781	*CFG = decode_yaml $config;
2609		3782
2610	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;
2612
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3784
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3787
2618	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
2622	};	3792	};
2623	warn $@ if $@;	3793	warn $@ if $@;
2624	}	3794	}
2625	}	3795	}
2626		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
2627	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
2628	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3836	$Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3838	(async {
2632	Event::one_event;	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3840	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
2634	};	3842	};
2635		3843
2636	cfg_load;	3844	evthread_start IO::AIO::poll_fileno;
		3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
2637	db_init;	3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
		3858	reload_config;
		3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
2638	load_extensions;	3868	load_extensions;
2639		3869
2640	$TICK_WATCHER->start;	3870	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
		3877	};
		3878
		3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
2642	}	3887	}
2643		3888
2644	#############################################################################	3889	#############################################################################
2645	# initialisation and cleanup	3890	# initialisation and cleanup
2646		3891
2647	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
2648	BEGIN {	3893	BEGIN {
		3894	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
2657	},
2658	);	3898	};
2659	}	3899	}
2660	}	3900	}
2661		3901
2662	sub write_runtime {	3902	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3903	my $t0 = AE::time;
2664		3904
2665	# first touch the runtime file to show we are still running:	3905	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3906	# the fsync below can take a very very long time.
2667		3907
2668	IO::AIO::aio_utime $runtime, undef, undef;	3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3909
2670	my $guard = cf::lock_acquire "write_runtime";	3910	my $guard = cf::lock_acquire "write_runtime";
2671		3911
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3913	or return;
2674		3914
2675	my $value = $cf::RUNTIME + 90 + 10;	3915	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3916	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3917	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3927	aio_utime $fh, undef, undef;
2688		3928
2689	close $fh	3929	close $fh
2690	or return;	3930	or return;
2691		3931
2692	aio_rename "$runtime~", $runtime	3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3933	and return;
2694		3934
2695	warn "runtime file written.\n";	3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3936
2697	1	3937	1
		3938	}
		3939
		3940	our $uuid_lock;
		3941	our $uuid_skip;
		3942
		3943	sub write_uuid_sync($) {
		3944	$uuid_skip ||= $_[0];
		3945
		3946	return if $uuid_lock;
		3947	local $uuid_lock = 1;
		3948
		3949	my $uuid = "$LOCALDIR/uuid";
		3950
		3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3952	or return;
		3953
		3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
		3962	$uuid_skip = 0;
		3963
		3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3965	and return;
		3966
		3967	# always fsync - this file is important
		3968	aio_fsync $fh
		3969	and return;
		3970
		3971	close $fh
		3972	or return;
		3973
		3974	aio_rename "$uuid~", $uuid
		3975	and return;
		3976
		3977	trace "uuid file written ($value).\n";
		3978
		3979	1
		3980
		3981	}
		3982
		3983	sub write_uuid($$) {
		3984	my ($skip, $sync) = @_;
		3985
		3986	$sync ? write_uuid_sync $skip
		3987	: async { write_uuid_sync $skip };
2698	}	3988	}
2699		3989
2700	sub emergency_save() {	3990	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
2702		3992
2703	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
2704		3999
2705	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
2706	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	4009	$pl->valid or next;
		4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	4011	$pl->save;
2714	}	4012	}
2715	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
2716		4014
2717	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	4020	$map->valid or next;
2721	$map->save;	4021	$map->save;
2722	}	4022	}
2723	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
2724		4024
2725	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
		4030
		4031	info "emergency_perl_save: begin write uuid\n";
		4032	write_uuid_sync 1;
		4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
2728	};	4053	};
2729		4054
2730	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
2731	}	4056	}
2732		4057
2733	sub post_cleanup {	4058	sub post_cleanup {
2734	my ($make_core) = @_;	4059	my ($make_core) = @_;
2735		4060
		4061	IO::AIO::flush;
		4062
2736	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	4064	if $make_core;
		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
2738	}	4093	}
2739		4094
2740	sub do_reload_perl() {	4095	sub do_reload_perl() {
2741	# can/must only be called in main	4096	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
2743	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
2744	return;	4099	return;
2745	}	4100	}
2746		4101
2747	warn "reloading...";	4102	return if $RELOAD++;
2748		4103
2749	warn "entering sync_job";	4104	my $t1 = AE::time;
2750		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
2751	cf::sync_job {	4112	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	4113	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		4114
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	4117	%EXT_CORO = ();
2780		4118
2781	warn "removing commands";	4119	trace "perl_reload: removing commands";
2782	%COMMAND = ();	4120	%COMMAND = ();
2783		4121
2784	warn "removing ext commands";	4122	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	4123	%EXTCMD = ();
		4124	%EXTICMD = ();
2786		4125
2787	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
2790		4129
2791	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
2792	eval {	4131	eval {
2793	$cb->($pkg);	4132	$cb->($pkg);
2794	1	4133	1
2795	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
2796	}	4139	}
2797		4140
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		4144
2806	warn "... unloading $k";	4145	trace "... unloading $k";
2807	delete $INC{$k};	4146	delete $INC{$k};
2808		4147
2809	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
2811		4150
2812	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
2814	}	4156	}
2815		4157
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		4161
2823	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		4165
2827	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
2828	# and global variables created in xs	4167	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
2830		4169
2831	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
2832		4171
2833	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
2834	require cf;	4173	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
2836		4175
2837	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	4177	cf::reload_config;
2839		4178
2840	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	4180	cf::load_extensions;
2842		4181
		4182	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
2849		4190
2850	warn "leaving sync_job";	4191	cf::_post_init 1;
2851		4192
		4193	trace "perl_reload: leaving sync_job";
		4194
2852	1	4195	1
2853	} or do {	4196	} or do {
2854	warn $@;	4197	error $@;
2855	warn "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4199	};
		4200
		4201	--$RELOAD;
2857	};	4202	}
2858		4203
2859	warn "reloaded";	4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
2860	};	4206	};
2861		4207
2862	our $RELOAD_WATCHER; # used only during reload	4208	our $RELOAD_WATCHER; # used only during reload
2863		4209
2864	sub reload_perl() {	4210	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4211	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4212	# coro crashes during coro_state_free->destroy here.
2867		4213
2868	$RELOAD_WATCHER ||= Event->timer (	4214	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4215	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4216
2871	data => WF_AUTOCANCEL,	4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4218	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4219	undef $RELOAD_WATCHER;
2875	},	4220	};
2876	);	4221	};
2877	}	4222	}
2878		4223
2879	register_command "reload" => sub {	4224	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
2881		4226
2882	if ($who->flag (FLAG_WIZ)) {	4227	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4228	$who->message ("reloading server.");
		4229	async {
		4230	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4231	reload_perl;
		4232	};
2885	}	4233	}
2886	};	4234	};
2887		4235
2888	unshift @INC, $LIBDIR;	4236	#############################################################################
2889		4237
2890	my $bug_warning = 0;	4238	my $bug_warning = 0;
2891		4239
2892	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;
2894
2895	sub wait_for_tick {	4240	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2897	return if $Coro::current == $Coro::main;
2898		4242
2899	my $signal = new Coro::Signal;	4243	$WAIT_FOR_TICK->wait;
2900	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;
2902	}	4244	}
2903		4245
2904	sub wait_for_tick_begin {	4246	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;	4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2906	return if $Coro::current == $Coro::main;
2907		4248
2908	my $signal = new Coro::Signal;	4249	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4250	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4251	$signal->wait;
2911	}	4252	}
2912		4253
2913	my $min = 1e6;#d#	4254	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4255	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
2925	return;	4258	return;
2926	}	4259	}
2927		4260
2928	$NOW = $tick_start = Event::time;	4261	cf::one_tick; # one server iteration
2929		4262
2930	cf::server_tick; # one server iteration	4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2931		4264
2932	0 && sync_job {#d#	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	4267	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4268	$Coro::current->{desc} = "runtime saver";
2936	or die;	4269	write_runtime_sync
2937		4270	or error "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4271	};
		4272	}
2954		4273
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4275	$sig->send;
2971	}	4276	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4277	$WAIT_FOR_TICK->broadcast;
2973	$sig->send;
2974	}
2975		4278
2976	$NOW = Event::time;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4281
2987	_post_tick;	4282	if (0) {
2988		4283	if ($NEXT_TICK) {
2989		4284	my $jitter = $TICK_START - $NEXT_TICK;
		4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4286	debug "jitter $JITTER\n";#d#
		4287	}
2990	},	4288	}
2991	);	4289	}
2992		4290
2993	{	4291	{
2994	BDB::max_poll_time $TICK * 0.1;	4292	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4293	info "initialising database";
2996	reentrant => 0,	4294
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
3004		4296	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4297	#$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4298
3020	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
		4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4306
3023	cf::sync_job {	4307	cf::sync_job {
3024	eval {	4308	eval {
3025	BDB::db_env_open	4309	BDB::db_env_open
3026	$DB_ENV,	4310	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4312	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4313	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4314	0666;
3031		4315
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4316	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4317	};
3037		4318
3038	cf::cleanup "db_env_open(db): $@" if $@;	4319	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4320	};
3040	}	4321	}
		4322
		4323	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4324	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4325	};
		4326	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4328	};
		4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4331	};
		4332
		4333	info "database initialised";
3041	}	4334	}
3042		4335
3043	{	4336	{
		4337	# configure IO::AIO
		4338
		4339	info "initialising aio";
3044	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4342	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,	4343	info "aio initialised";
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4344	}
3057		4345
3058	my $_log_backtrace;	4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
3059		4348
3060	sub _log_backtrace {	4349	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4350	my ($msg, @addr) = @_;
3062		4351
3063	$msg =~ s/\n//;	4352	$msg =~ s/\n$//;
3064		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4357	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
3068	async {	4362	async {
		4363	$Coro::current->{desc} = "abt $msg";
		4364
3069	my @bt = fork_call {	4365	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4366	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4367	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4368	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4369	or die "addr2line: $!";
…		…
3081	}	4377	}
3082		4378
3083	@funcs	4379	@funcs
3084	};	4380	};
3085		4381
3086	LOG llevInfo, "[ABT] $msg\n";	4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4384	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4385	--$_log_backtrace;
3089	};	4386	};
3090	} else {	4387	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4388	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4390	}
3094	}	4391	}
3095		4392
3096	# load additional modules	4393	# load additional modules
3097	use cf::pod;	4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
3098		4396
3099	END { cf::emergency_save }	4397	END { cf::emergency_save }
3100		4398
3101	1	4399	1
3102		4400

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