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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		330
194	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	332	# within the Safe compartment.
196	for my $pkg (qw(	333	for my $pkg (qw(
197	cf::global cf::attachable	334	cf::global cf::attachable
198	cf::object cf::object::player	335	cf::object cf::object::player
199	cf::client cf::player	336	cf::client cf::player
200	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
201	cf::map cf::party cf::region	339	cf::party cf::region
202	)) {	340	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	342	}
206		343
207	$Event::DIED = sub {	344	$EV::DIED = sub {
208	warn "error in event callback: @_";	345	warn "error in event callback: $@";
209	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
210		354
211	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
212		356
213	=over 4	357	=over 4
214		358
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	378	$d
235	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
236	}	380	}
237		381
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
239		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
240	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
241		435
242	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
243		437
244	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
245		439
246	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	511	=item cf::lock_wait $string
249		512
250	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
251		514
252	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
253		516
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
257	returned.	520	returned.
258		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
259	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
260	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
261		527
262	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
263		529
264	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.
265		531
266	=cut	532	=cut
267		533
268	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
269		535
270	sub lock_wait($) {	536	sub lock_wait($) {
271	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	538	}
279		539
280	sub lock_acquire($) {	540	sub lock_acquire($) {
281	my ($key) = @_;	541	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	542	}
293		543
294	sub lock_active($) {	544	sub lock_active($) {
295	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	546	}
299		547
300	sub freeze_mainloop {	548	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
302		550
303	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
305	};	621	}
306	$TICK_WATCHER->stop;	622	};
307	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
308	}	637	}
309		638
310	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
311		640
312	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		646
318	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
319		648
320	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
321		650
322	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
325		655
326	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
329	fast or be very important.	659	fast or be very important.
…		…
331	=cut	661	=cut
332		662
333	sub sync_job(&) {	663	sub sync_job(&) {
334	my ($job) = @_;	664	my ($job) = @_;
335		665
336	if ($Coro::current == $Coro::main) {	666	if (in_main) {
337	my $time = Event::time;	667	my $time = AE::time;
338		668
339	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
341		671
342	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	673
344	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
345		675
346	my $busy = 1;	676	my $busy = 1;
347	my @res;	677	my @res;
348		678
349	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	681	@res = eval { $job->() };
351	warn $@ if $@;	682	error $@ if $@;
352	undef $busy;	683	undef $busy;
353	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
354		685
355	while ($busy) {	686	while ($busy) {
356	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
357	}	691	}
		692	}
358		693
359	$time = Event::time - $time;	694	my $time = AE::time - $time;
360		695
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
365		697
366	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
367	} else {	699	} else {
368	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
369		701
…		…
389	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
390		722
391	$coro	723	$coro
392	}	724	}
393		725
394	sub write_runtime {	726	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		727
397	# first touch the runtime file to show we are still running:	728	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
399		732
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	733	=cut
401	utime undef, undef, $fh;	734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
		739	sub fork_call(&@) {
		740	my ($cb, @args) = @_;
		741
		742	# we seemingly have to make a local copy of the whole thing,
		743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
		745
		746	my @res = Coro::Util::fork_eval {
		747	cf::post_fork;
		748	&$cb
		749	} @args;
		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		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 $!;
402	}	822	};
		823	cf::cleanup "db_open(db): $@" if $@;
403		824
404	my $guard = cf::lock_acquire "write_runtime";	825	$db
		826	}
405		827
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	828	our $DB;
407	or return;
408		829
409	my $value = $cf::RUNTIME + 90 + 10;	830	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	831	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	832	}
412		833
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	834	sub db_get($$) {
414	and return;	835	my $key = "$_[0]/$_[1]";
415		836
416	# always fsync - this file is important	837	cf::error "db_get called from main context"
417	aio_fsync $fh	838	if $Coro::current == $Coro::main;
418	and return;
419		839
420	# touch it again to show we are up-to-date	840	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		841
423	close $fh	842	$! ? ()
424	or return;	843	: $data
		844	}
425		845
426	aio_rename "$runtime~", $runtime	846	sub db_put($$$) {
427	and return;	847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
428		850
429	warn "runtime file written.\n";#d#	851	=item cf::cache $id => [$paths...], $processversion => $process
430		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
431	1	915	}
		916
		917	db_get cache => "$id/data"
432	}	918	}
433		919
434	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
435		921
436	Log a datalog packet of the given type with the given key-value pairs.	922	Log a datalog packet of the given type with the given key-value pairs.
437		923
438	=cut	924	=cut
439		925
440	sub datalog($@) {	926	sub datalog($@) {
441	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	929	}
444		930
445	=back	931	=back
446		932
447	=cut	933	=cut
448		934
449	#############################################################################	935	#############################################################################
450		936
451	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
452		938
453	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
454	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")
455	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
456		942
457	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>
458	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
459	crossfire+).	945	Deliantra).
460		946
461	=over 4	947	=over 4
462		948
463	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
464		950
…		…
508	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
509		995
510	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
512		998
513	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		1001
516	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
517		1003
518	=over 4	1004	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
628		1114
629	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		1119
634	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
636		1122
637	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
642		1128
643	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1131
646	} elsif (ref $type) {	1132	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
648		1134
649	} else {	1135	} else {
650	shift @arg;	1136	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
652	}	1138	}
653	}	1139	}
654	}	1140	}
655		1141
656	sub _object_attach {	1142	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
667	}	1153	}
668		1154
669	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
670	} else {	1156	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1158	}
673		1159
674	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
675	}	1161	}
676		1162
…		…
678	if (ref $_[0]) {	1164	if (ref $_[0]) {
679	_object_attach @_;	1165	_object_attach @_;
680	} else {	1166	} else {
681	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
682	}	1168	}
		1169	_recalc_want;
683	};	1170	};
684		1171
685	# all those should be optimised	1172	# all those should be optimised
686	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1178	reattach ($obj);
692	} else {	1179	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
694	}	1181	}
		1182	_recalc_want;
695	};	1183	};
696		1184
697	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
699		1187
…		…
714	";	1202	";
715	die if $@;	1203	die if $@;
716	}	1204	}
717		1205
718	our $override;	1206	our $override;
719	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?
720		1208
721	sub override {	1209	sub override {
722	$override = 1;	1210	$override = 1;
723	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
724	}	1212	}
725		1213
726	sub do_invoke {	1214	sub do_invoke {
727	my $event = shift;	1215	my $event = shift;
728	my $callbacks = shift;	1216	my $callbacks = shift;
729		1217
730	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
731		1219
732	local $override;	1220	local $override;
733		1221
734	for (@$callbacks) {	1222	for (@$callbacks) {
735	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
736		1224
737	if ($@) {	1225	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1227	override;
741	}	1228	}
742		1229
743	return 1 if $override;	1230	return 1 if $override;
744	}	1231	}
745		1232
746	0	1233	0
747	}	1234	}
748		1235
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1237
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1239
753	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
754		1241
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1245
759	=back	1246	=back
760		1247
761	=cut	1248	=cut
762		1249
763	#############################################################################	1250	#############################################################################
764	# 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, $ob2
		1293	}
765		1294
766	sub reattach {	1295	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1297	my ($obj) = @_;
769		1298
		1299	# no longer needed after getting rid of delete_package?
770	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
771		1301
772	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
773		1303
774	@$registry = ();	1304	@$registry = ();
775		1305
…		…
780	for (@$attach) {	1310	for (@$attach) {
781	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
783	}	1313	}
784	} else {	1314	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1316	}
787	}	1317	}
788	}	1318	}
789		1319
790	cf::attachable->attach (	1320	cf::attachable->attach (
791	prio => -1000000,	1321	prio => -1000000,
792	on_instantiate => sub {	1322	on_instantiate => sub {
793	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
794		1324
795	$data = from_json $data;	1325	$data = decode_json $data;
796		1326
797	for (@$data) {	1327	for (@$data) {
798	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
799		1329
800	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1346	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
818		1348
819	sync_job {	1349	sync_job {
820	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
823		1355
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1363	aio_close $fh;
829		1364
830	if (@$objs) {	1365	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1374	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
838	}	1376	}
839	} else {	1377	} else {
840	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
841	}	1379	}
842		1380
843	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1385	} else {
845	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
846	}	1387	}
847	} else {	1388	} else {
848	aio_unlink $filename;	1389	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
850	}	1391	}
851	}	1392	};
852	}	1393	}
853		1394
854	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
856		1397
…		…
868	or return;	1409	or return;
869		1410
870	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
872	or return;	1413	or return;
		1414
873	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
874	}	1417	}
875		1418
		1419	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
878	return ($data, $av);	1424	($data, $av)
879	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
880		1432
881	#############################################################################	1433	#############################################################################
882	# command handling &c	1434	# command handling &c
883		1435
884	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
885		1437
886	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
887	$name.	1439	$name.
888		1440
889	=cut	1441	=cut
…		…
895	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
896		1448
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1450	}
899		1451
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
901		1453
902	Register a callbackf ro 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.
903		1459
904	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
905	called.	1461	called.
906		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
907	=cut	1474	=cut
908		1475
909	sub register_extcmd {	1476	sub register_extcmd {
910	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
911		1478
912	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
913	}	1480	}
914		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
915	cf::player->attach (	1490	cf::player->attach (
916	on_command => sub {	1491	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
918		1493
919	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
920	or return;	1495	or return;
921		1496
…		…
926	cf::override;	1501	cf::override;
927	},	1502	},
928	on_extcmd => sub {	1503	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
930		1505
931	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1507
933	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
939	} else {	1520	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1522	}
942		1523
943	cf::override;	1524	cf::override;
944	},	1525	},
945	);	1526	);
946		1527
		1528	# "readahead" all extensions
947	sub load_extension {	1529	sub cache_extensions {
948	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
949		1531
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1535	}
975	die $@;
976	}	1536	};
977		1537
978	push @EXTS, $pkg;	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;
979	}	1550	}
980		1551
981	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
982	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1561	next unless -r $path;
984	eval {	1562
985	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		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 $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
986	1	1635	}
987	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1647	}
988	}	1648	};
989	}	1649	}
990		1650
991	#############################################################################	1651	#############################################################################
992		1652
		1653	=back
		1654
993	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
994		1656
995	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
996		1658
997	=cut	1659	=cut
998		1660
999	package cf::player;	1661	package cf::player;
1000		1662
1001	use Coro::AIO;	1663	use Coro::AIO;
1002		1664
1003	=head3 cf::player	1665	=head3 cf::player
1004		1666
1005	=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	}
1006		1682
1007	=item cf::player::find $login	1683	=item cf::player::find $login
1008		1684
1009	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1010		1686
…		…
1029		1705
1030	sub exists($) {	1706	sub exists($) {
1031	my ($login) = @_;	1707	my ($login) = @_;
1032		1708
1033	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1035	}	1711	}
1036		1712
1037	sub find($) {	1713	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1715	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1726
1051	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1054	}	1736	}
1055	}	1737	}
1056	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1057		1752
1058	sub save($) {	1753	sub save($) {
1059	my ($pl) = @_;	1754	my ($pl) = @_;
1060		1755
1061	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1067		1762
1068	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1072	Coro::cede;	1772	cf::cede_to_tick;
1073	}	1773	}
1074		1774
1075	sub new($) {	1775	sub new($) {
1076	my ($login) = @_;	1776	my ($login) = @_;
1077		1777
…		…
1083	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1084		1784
1085	$self	1785	$self
1086	}	1786	}
1087		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
1088	=item $pl->quit_character	1798	=item $pl->quit_character
1089		1799
1090	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1092		1802
…		…
1096	my ($pl) = @_;	1806	my ($pl) = @_;
1097		1807
1098	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1099		1809
1100	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1101	$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
1102		1812
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1106	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1107		1821
1108	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1145	or return [];	1859	or return [];
1146		1860
1147	my @logins;	1861	my @logins;
1148		1862
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1153		1873
1154	utf8::decode $login;	1874	utf8::decode $login;
1155	push @logins, $login;	1875	push @logins, $login;
1156	}	1876	}
1157		1877
1158	\@logins	1878	\@logins
1159	}	1879	}
1160		1880
1161	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1162		1884
1163	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1164	player. May block.	1886	player. May block.
1165		1887
1166	=cut	1888	=cut
…		…
1184	}	1906	}
1185		1907
1186	\@paths	1908	\@paths
1187	}	1909	}
1188		1910
1189	=item $player->ext_reply ($msgid, %msg)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1190		1912
1191	Sends an ext reply to the player.	1913	Expand deliantra pod fragments into protocol xml.
1192		1914
1193	=cut
1194
1195	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;
1197
1198	$msg{msgid} = $id;
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}
1202
1203	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1204		1916
1205	Sends an ext event to the client.	1917	Sends an ext event to the client.
1206		1918
1207	=cut	1919	=cut
1208		1920
1209	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1211		1923
1212	$self->ns->ext_event ($type, %msg);	1924	$self->ns->ext_msg ($type, @msg);
1213	}	1925	}
1214		1926
1215	=head3 cf::region	1927	=head3 cf::region
1216		1928
1217	=over 4	1929	=over 4
…		…
1220		1932
1221	package cf::region;	1933	package cf::region;
1222		1934
1223	=item cf::region::find_by_path $path	1935	=item cf::region::find_by_path $path
1224		1936
1225	Tries to decuce the probable region for a map knowing only its path.	1937	Tries to decuce the likely region for a map knowing only its path.
1226		1938
1227	=cut	1939	=cut
1228		1940
1229	sub find_by_path($) {	1941	sub find_by_path($) {
1230	my ($path) = @_;	1942	my ($path) = @_;
1231		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
1232	my ($match, $specificity);	1946	my ($match, $specificity);
1233		1947
1234	for my $region (list) {	1948	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1949	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1950	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1951	if $region->specificity > $specificity;
1238	}	1952	}
1239	}	1953	}
1240		1954
…		…
1261	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1263		1977
1264	sub generate_random_map {	1978	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1267	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1984	}
1281		1985
1282	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1283		1987
1284	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1289		1993
1290	sub register {	1994	sub register {
1291	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1996	my $pkg = caller;
1293		1997
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1999
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2001	}
1299		2002
1300	# also paths starting with '/'	2003	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2005
1303	sub thawer_merge {	2006	sub thawer_merge {
1304	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1305		2008
1306	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
1307	local $self->{path};	2010	local $self->{path};
1308	local $self->{load_path};	2011	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2012
1312	$self->SUPER::thawer_merge ($merge);	2013	$self->SUPER::thawer_merge ($merge);
1313	}	2014	}
1314		2015
1315	sub normalise {	2016	sub normalise {
1316	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1317		2018
1318	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1319		2020
1320	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1321		2022
1322	# map plan:	2023	# map plan:
1323	#	2024	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2040	$path = "$base/$path";
1340	}	2041	}
1341		2042
1342	for ($path) {	2043	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1346	}	2046	}
1347		2047
1348	$path	2048	$path
…		…
1362	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1363	return $self;	2063	return $self;
1364	}	2064	}
1365	}	2065	}
1366		2066
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2068	()
1369	}	2069	}
1370		2070
		2071	# may re-bless or do other evil things
1371	sub init {	2072	sub init {
1372	my ($self) = @_;	2073	my ($self) = @_;
1373		2074
1374	$self	2075	$self
1375	}	2076	}
…		…
1394		2095
1395	# the temporary/swap location	2096	# the temporary/swap location
1396	sub save_path {	2097	sub save_path {
1397	my ($self) = @_;	2098	my ($self) = @_;
1398		2099
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1401	}	2102	}
1402		2103
1403	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1404	sub uniq_path {	2105	sub uniq_path {
1405	my ($self) = @_;	2106	my ($self) = @_;
1406		2107
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1409	}	2110	}
1410		2111
1411	# and all this just because we cannot iterate over	2112	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2113	my ($self) = @_;
1415		2114
1416	$_->change_map_light ($change)	2115	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2116
		2117	$self->do_decay_objects;
1418	}	2118	}
1419		2119
1420	sub unlink_save {	2120	sub unlink_save {
1421	my ($self) = @_;	2121	my ($self) = @_;
1422		2122
…		…
1427		2127
1428	sub load_header_from($) {	2128	sub load_header_from($) {
1429	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1430		2130
1431	utf8::encode $path;	2131	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2133	or return;
1437		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1438	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1439		2142
1440	1	2143	1
1441	}	2144	}
1442		2145
		2146	# used to laod the header of an original map
1443	sub load_header_orig {	2147	sub load_header_orig {
1444	my ($self) = @_;	2148	my ($self) = @_;
1445		2149
1446	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1447	}	2151	}
1448		2152
		2153	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2154	sub load_header_temp {
1450	my ($self) = @_;	2155	my ($self) = @_;
1451		2156
1452	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1453	}	2158	}
1454		2159
		2160	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2161	sub prepare_temp {
1456	my ($self) = @_;	2162	my ($self) = @_;
1457		2163
1458	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1460	# safety	2166	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2169	}
1464		2170
		2171	# called after loading the header from an original map
1465	sub prepare_orig {	2172	sub prepare_orig {
1466	my ($self) = @_;	2173	my ($self) = @_;
1467		2174
1468	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2187	$self->load_header_orig
1481	or return;	2188	or return;
1482	$self->prepare_orig;	2189	$self->prepare_orig;
1483	}	2190	}
1484		2191
		2192	$self->{deny_reset} = 1
		2193	if $self->no_reset;
		2194
1485	$self->default_region (cf::region::find_by_path $self->{path})	2195	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2196	unless $self->default_region;
1487		2197
1488	1	2198	1
1489	}	2199	}
1490		2200
1491	sub find;	2201	sub find;
1492	sub find {	2202	sub find {
1493	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1494		2204
		2205	cf::cede_to_tick;
		2206
1495	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1496		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2211
1499	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1502	or return;	2214	or return;
1503		2215
1504	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1505		2217
1506	$map->load_header	2218	$map->load_header
1507	or return;	2219	or return;
1508		2220
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1512	$map->reset;	2226	$map->reset;
1513	undef $guard;
1514	return find $path;	2227	return find $path;
1515	}	2228	}
1516		2229
1517	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1518	}	2231	}
1519	}	2232	}
1520		2233
1521	sub pre_load { }	2234	sub pre_load { }
1522	sub post_load { }	2235	#sub post_load { } # XS
1523		2236
1524	sub load {	2237	sub load {
1525	my ($self) = @_;	2238	my ($self) = @_;
1526		2239
1527	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1528		2241
1529	my $path = $self->{path};	2242	my $path = $self->{path};
1530		2243
1531	{	2244	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1533		2246
		2247	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2249
1538	$self->alloc;	2250	$self->alloc;
1539		2251
1540	$self->pre_load;	2252	$self->pre_load;
1541	Coro::cede;	2253	cf::cede_to_tick;
1542		2254
1543	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1544	or return;	2259	or return;
1545		2260
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1547	if delete $self->{load_original};	2262	if delete $self->{load_original};
1548		2263
1549	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2265	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2268	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1554	}	2273	}
1555	}
1556		2274
1557	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1558	# now do the right thing for maps	2284	# now do the right thing for maps
1559	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2287	unless $self->difficulty;
1562	Coro::cede;	2288	cf::cede_to_tick;
1563		2289
1564	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2291	$self->decay_objects;
1566	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
1567	$self->update_buttons;	2293	$self->update_buttons;
1568	Coro::cede;	2294	cf::cede_to_tick;
1569	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2296	}
1573		2297
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1575	}	2300	}
1576		2301
1577	$self->post_load;	2302	$self->post_load;
1578	}
1579		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2310	sub customise_for {
1581	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1582		2312
1583	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2314	if $self->per_player;
1585		2315
		2316	# return find "?party/" . $ob->name . "/" . $self->{path}
		2317	# if $self->per_party;
		2318
1586	$self	2319	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2320	}
1612		2321
1613	sub find_sync {	2322	sub find_sync {
1614	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1615		2324
1616	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1617	}	2330	}
1618		2331
1619	sub do_load_sync {	2332	sub do_load_sync {
1620	my ($map) = @_;	2333	my ($map) = @_;
1621		2334
1622	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1623	}	2340	}
1624		2341
1625	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1627		2344
1628	sub find_async {	2345	sub find_async {
1629	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1630		2347
1631	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1632		2349
1633	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1635	}	2352	}
1636		2353
1637	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1638	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1639	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2361	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2362	$map->load if $v;
		2363	}
1644		2364
1645	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1646	}	2366	}
1647	}	2367	}
1648	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1649	};	2369	};
1650	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1651		2371
1652	()	2372	()
1653	}	2373	}
1654		2374
		2375	# common code, used by both ->save and ->swapout
1655	sub save {	2376	sub _save {
1656	my ($self) = @_;	2377	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2378
1660	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1661		2380
1662	return unless $self->dirty;	2381	return unless $self->dirty;
1663		2382
…		…
1669	return if $self->{deny_save};	2388	return if $self->{deny_save};
1670		2389
1671	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1672		2391
1673	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1675	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1676		2398
1677	if ($uniq) {	2399	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2402	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2404	}
1683	}	2405	}
1684		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1685	sub swap_out {	2415	sub swap_out {
1686	my ($self) = @_;	2416	my ($self) = @_;
1687		2417
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1693	return if $self->players;	2422	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1697	$self->clear;	2433	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2434	}
1700		2435
1701	sub reset_at {	2436	sub reset_at {
1702	my ($self) = @_;	2437	my ($self) = @_;
1703		2438
1704	# TODO: safety, remove and allow resettable per-player maps	2439	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2440	return 1e99 if $self->{deny_reset};
1707		2441
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2444
…		…
1721	my ($self) = @_;	2455	my ($self) = @_;
1722		2456
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2458
1725	return if $self->players;	2459	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2460
1728	warn "resetting map ", $self->path;#d#	2461	cf::trace "resetting map ", $self->path, "\n";
1729		2462
1730	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1731		2464
1732	# need to save uniques path	2465	# need to save uniques path
1733	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2468
…		…
1737	if $uniq;	2470	if $uniq;
1738	}	2471	}
1739		2472
1740	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1741		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2477	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2478
1746	$self->unlink_save;	2479	$self->unlink_save;
1747	$self->destroy;	2480	$self->destroy;
1748	}	2481	}
1749		2482
1750	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1751		2484
1752	sub nuke {	2485	sub nuke {
1753	my ($self) = @_;	2486	my ($self) = @_;
1754		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1755	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1756		2492
1757	$self->unlink_save;	2493	$self->unlink_save;
1758		2494
1759	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2500
1765	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1766		2503
1767	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
		2505	}
		2506
		2507	=item $maps = cf::map::tmp_maps
		2508
		2509	Returns an arrayref with all map paths of currently instantiated and saved
		2510	maps. May block.
		2511
		2512	=cut
		2513
		2514	sub tmp_maps() {
		2515	[
		2516	map {
		2517	utf8::decode $_;
		2518	/\.map$/
		2519	? normalise $_
		2520	: ()
		2521	} @{ aio_readdir $TMPDIR or [] }
		2522	]
		2523	}
		2524
		2525	=item $maps = cf::map::random_maps
		2526
		2527	Returns an arrayref with all map paths of currently instantiated and saved
		2528	random maps. May block.
		2529
		2530	=cut
		2531
		2532	sub random_maps() {
		2533	[
		2534	map {
		2535	utf8::decode $_;
		2536	/\.map$/
		2537	? normalise "?random/$_"
		2538	: ()
		2539	} @{ aio_readdir $RANDOMDIR or [] }
		2540	]
1768	}	2541	}
1769		2542
1770	=item cf::map::unique_maps	2543	=item cf::map::unique_maps
1771		2544
1772	Returns an arrayref of paths of all shared maps that have	2545	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2546	instantiated unique items. May block.
1774		2547
1775	=cut	2548	=cut
1776		2549
1777	sub unique_maps() {	2550	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2551	[
1779	or return;	2552	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2553	utf8::decode $_;
1785	next if /\.pst$/;	2554	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2556	? ()
1788	push @paths, cf::map::normalise $_;	2557	: normalise $_
		2558	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2559	]
1790
1791	\@paths
1792	}	2560	}
1793		2561
1794	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1795		2593
1796	=back	2594	=back
1797		2595
1798	=head3 cf::object	2596	=head3 cf::object
1799		2597
…		…
1803		2601
1804	=over 4	2602	=over 4
1805		2603
1806	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
1807		2605
1808	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
1809		2608
1810	=cut	2609	=cut
1811		2610
1812	sub inv_recursive_;	2611	sub inv_recursive_;
1813	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
1816		2615
1817	sub inv_recursive {	2616	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
1819	}	2618	}
1820		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
1821	package cf;	2648	package cf;
1822		2649
1823	=back	2650	=back
1824		2651
1825	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
1834		2661
1835	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
1836		2677
1837	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2679	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
1842		2683
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2685
1845	if ($self->{record_replies}) {	2686	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2688
1847	} else {	2689	} else {
		2690	my $pl = $self->contr;
		2691
		2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2693	my $dialog = $pl->{npc_dialog};
		2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2695
		2696	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2699	}
1850	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
1851	}	2711	}
1852		2712
1853	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
1854		2714
1855	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
1868		2728
1869	=item $player_object->enter_link	2729	=item $player_object->enter_link
1870		2730
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2732
1873	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
1875		2737
1876	Will never block.	2738	Will never block.
1877		2739
1878	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
1879		2741
…		…
1899	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2762	my ($self) = @_;
1901		2763
1902	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
1903		2765
		2766	++$self->{_link_recursion};
		2767
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2769
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2771	if $self->map && $self->map->{path} ne "{link}";
1908		2772
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2774	}
1911		2775
1912	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
		2778
		2779	return unless $self->contr->active;
1914		2780
1915	my $link_pos = delete $self->{_link_pos};	2781	my $link_pos = delete $self->{_link_pos};
1916		2782
1917	unless ($map) {	2783	unless ($map) {
1918	# restore original map position	2784	# restore original map position
…		…
1929	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
1930	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
1931		2797
1932	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
1935		2801
1936	$map->load;	2802	$map->load;
1937	$map->load_diag;
1938		2803
1939	return unless $self->contr->active;	2804	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2805
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
1944	}	2808	# entering was successful
1945		2809	delete $self->{_link_recursion};
1946	cf::player->attach (	2810	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2811	$self->activate_recursive;
1948	my ($pl) = @_;
1949
1950	# abort map switching before logout
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},	2812	}
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2813
1960	# try to abort aborted map switching on player login :)	2814	}
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2815
1978	=item $player_object->goto ($path, $x, $y)	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979		2817
		2818	Moves the player to the given map-path and coordinates by first freezing
		2819	her, loading and preparing them map, calling the provided $check callback
		2820	that has to return the map if sucecssful, and then unfreezes the player on
		2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
1980	=cut	2827	=cut
		2828
		2829	our $GOTOGEN;
1981		2830
1982	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
		2839
		2840	# do generation counting so two concurrent goto's will be executed in-order
		2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2842
1985	$self->enter_link;	2843	$self->enter_link;
1986		2844
1987	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
1988	my $map = eval {	2867	my $map = eval {
1989	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2869
		2870	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2871	$map = $map->customise_for ($self);
		2872	$map = $check->($map, $x, $y, $self) if $check && $map;
		2873	} else {
		2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2875	}
		2876
1991	$map	2877	$map
		2878	};
		2879
		2880	if ($@) {
		2881	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2882	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2883	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2884
		2885	if ($gen == $self->{_goto_generation}) {
		2886	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
		2888	}
		2889
		2890	$done->($self) if $done;
1996	})->prio (1);	2891	})->prio (1);
1997	}	2892	}
1998		2893
1999	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2000		2895
…		…
2020	}	2915	}
2021		2916
2022	sub prepare_random_map {	2917	sub prepare_random_map {
2023	my ($exit) = @_;	2918	my ($exit) = @_;
2024		2919
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2922	# that depends on the exit object
2030		2923
2031	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2926	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2038	}	2933	}
2039		2934
2040	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2041		2936
2042	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2045		2940
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2943	undef $fh;
2049	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2050		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2053	}	2952	}
2054	}	2953	}
2055		2954
2056	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2058		2957
2059	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2060		2959
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2960	$self->enter_link;
2073		2961
2074	(async {	2962	(async {
2075	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
2076	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2077	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2078		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2079	1;	3001	1
2080	}) {	3002	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2085		3007
2086	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2087	$self->leave_link;	3009	$self->leave_link;
2088	}	3010	}
2089	})->prio (1);	3011	})->prio (1);
2090	}	3012	}
2091		3013
…		…
2105		3027
2106	utf8::encode $text;	3028	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	3030	}
2109		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
2110	=item $client->ext_event ($type, %msg)	3219	=item $client->ext_msg ($type, @msg)
2111		3220
2112	Sends an exti event to the client.	3221	Sends an ext event to the client.
2113		3222
2114	=cut	3223	=cut
2115		3224
2116	sub cf::client::ext_event($$%) {	3225	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	3226	my ($self, $type, @msg) = @_;
2118		3227
2119	$msg{msgtype} = "event_$type";	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2120	$self->send_packet ("ext " . cf::to_json \%msg);
2121	}	3229	}
2122		3230
2123	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2124		3232
2125	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3234	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		3236
2129	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	3238	become reliable at some point in the future.
2131		3239
2132	=cut	3240	=cut
2133		3241
2134	sub cf::client::query {	3242	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	3251	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		3253
2146	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2148	}	3258	}
2149		3259
2150	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2151	on_reply => sub {	3266	on_reply => sub {
2152	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2153		3268
2154	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2155	# get handled first	3270	# get handled first
…		…
2167	} else {	3282	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3284	}
2170	}	3285	}
2171	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2172	);	3310	);
2173		3311
2174	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2175		3313
2176	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		3330
2193	$coro	3331	$coro
2194	}	3332	}
2195		3333
2196	cf::client->attach (	3334	cf::client->attach (
2197	on_destroy => sub {	3335	on_client_destroy => sub {
2198	my ($ns) = @_;	3336	my ($ns) = @_;
2199		3337
2200	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201	},	3339	},
2202	);	3340	);
…		…
2217	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2219		3357
2220	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2221		3359
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2223		3365
2224	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2225		3367
2226	=pod	3368	=pod
2227		3369
2228	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2229		3371
2230	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2231	cf::object::player player	3377	cf::object::player
2232	cf::player peaceful	3378	player
2233	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2234		3385
2235	=cut	3386	=cut
2236		3387
2237	for (	3388	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2242	) {	3395	) {
2243	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246	for @funs;	3398	for @funs;
2247	}	3399	}
2248		3400
…		…
2263		3415
2264	my $qcode = $code;	3416	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2267		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2268	local $_;	3423	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;
2270		3424
2271	my $eval =	3425	my $eval =
2272	"do {\n"	3426	"do {\n"
2273	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2275	. $code	3429	. $code
2276	. "\n}"	3430	. "\n}"
2277	;	3431	;
2278		3432
		3433	if ($CFG{safe_eval}) {
2279	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2280	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2282		3442
2283	if ($@) {	3443	if ($@) {
2284	warn "$@";	3444	warn "$@",
2285	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2286	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2287	}	3447	}
2288		3448
2289	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2290	}	3450	}
2291		3451
…		…
2305	=cut	3465	=cut
2306		3466
2307	sub register_script_function {	3467	sub register_script_function {
2308	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2309		3469
2310	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2311	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2312	}	3472	}
2313		3473
2314	=back	3474	=back
2315		3475
2316	=cut	3476	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		3477
2492	#############################################################################	3478	#############################################################################
2493	# the server's init and main functions	3479	# the server's init and main functions
2494		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2495	sub load_facedata($) {	3505	sub load_facedata($) {
2496	my ($path) = @_;	3506	my ($path) = @_;
2497		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2498	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2499		3515
2500	my $facedata;	3516	my $facedata = decode_storable load_file $path;
2501	0 < aio_load $path, $facedata
2502	or die "$path: $!";
2503
2504	$facedata = Coro::Storable::thaw $facedata;
2505		3517
2506	$facedata->{version} == 2	3518	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3520
		3521	cf::cede_to_tick;
		3522
2509	{	3523	{
2510	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
2511		3525
2512	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517	Coro::cede;	3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
2518	}	3538	}
2519		3539
2520	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2522	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
2523	or next;	3544	or next;
		3545
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3549	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3551	}
2529	Coro::cede;	3552
		3553	cf::cede_to_tick;
2530	}	3554	}
2531	}	3555	}
2532		3556
2533	{	3557	{
2534	my $anims = $facedata->{animinfo};	3558	my $anims = $facedata->{animinfo};
2535		3559
2536	while (my ($anim, $info) = each %$anims) {	3560	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3562	cf::cede_to_tick;
2539	}	3563	}
2540		3564
2541	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
2542	}	3566	}
2543		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
2544	1	3590	1
2545	}	3591	}
2546		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
2547	sub reload_regions {	3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
2548	load_resource_file "$MAPDIR/regions"	3629	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3630	or die "unable to load regions file\n";
		3631
		3632	for (cf::region::list) {
		3633	$_->{match} = qr/$_->{match}/
		3634	if exists $_->{match};
		3635	}
2550	}	3636	}
2551		3637
2552	sub reload_facedata {	3638	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3639	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3640	or die "unable to load facedata\n";
2555	}	3641	}
2556		3642
2557	sub reload_archetypes {	3643	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
2560	}	3655	}
2561		3656
2562	sub reload_treasures {	3657	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
2565	}	3660	}
2566		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
2567	sub reload_resources {	3744	sub reload_resources {
2568	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
2569		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
2570	reload_regions;	3752	reload_regions;
2571	reload_facedata;
2572	reload_archetypes;
2573	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
2574		3755
2575	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
2576	}	3757	}
2577		3758
2578	sub init {	3759	sub reload_config {
2579	reload_resources;	3760	trace "reloading config file...\n";
2580	}
2581		3761
2582	sub cfg_load {	3762	my $config = load_file "$CONFDIR/config";
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3763	utf8::decode $config;
2584	or return;	3764	*CFG = decode_yaml $config;
2585		3765
2586	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;
2588
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590		3767
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593		3770
2594	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2598	};	3775	};
2599	warn $@ if $@;	3776	warn $@ if $@;
2600	}	3777	}
2601	}	3778	}
2602		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2603	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2604	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3821	(async {
2608	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2610	};	3825	};
2611		3826
2612	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2613	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2614	load_extensions;	3851	load_extensions;
2615		3852
2616	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2618	}	3870	}
2619		3871
2620	#############################################################################	3872	#############################################################################
2621	# initialisation and cleanup	3873	# initialisation and cleanup
2622		3874
2623	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2624	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2633	},
2634	);	3881	};
		3882	}
		3883	}
		3884
		3885	sub write_runtime_sync {
		3886	my $t0 = AE::time;
		3887
		3888	# first touch the runtime file to show we are still running:
		3889	# the fsync below can take a very very long time.
		3890
		3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3892
		3893	my $guard = cf::lock_acquire "write_runtime";
		3894
		3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3896	or return;
		3897
		3898	my $value = $cf::RUNTIME + 90 + 10;
		3899	# 10 is the runtime save interval, for a monotonic clock
		3900	# 60 allows for the watchdog to kill the server.
		3901
		3902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3903	and return;
		3904
		3905	# always fsync - this file is important
		3906	aio_fsync $fh
		3907	and return;
		3908
		3909	# touch it again to show we are up-to-date
		3910	aio_utime $fh, undef, undef;
		3911
		3912	close $fh
		3913	or return;
		3914
		3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3916	and return;
		3917
		3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3919
2635	}	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2636	}	3971	}
2637		3972
2638	sub emergency_save() {	3973	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2640		3975
2641	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2642		3982
2643	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2644	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3994	$pl->save;
2652	}	3995	}
2653	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2654		3997
2655	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	4003	$map->valid or next;
2659	$map->save;	4004	$map->save;
2660	}	4005	}
2661	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2662		4007
2663	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2666	};	4036	};
2667		4037
2668	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2669	}	4039	}
2670		4040
2671	sub post_cleanup {	4041	sub post_cleanup {
2672	my ($make_core) = @_;	4042	my ($make_core) = @_;
2673		4043
		4044	IO::AIO::flush;
		4045
2674	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
2676	}	4076	}
2677		4077
2678	sub do_reload_perl() {	4078	sub do_reload_perl() {
2679	# can/must only be called in main	4079	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2681	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2682	return;	4082	return;
2683	}	4083	}
2684		4084
2685	warn "reloading...";	4085	return if $RELOAD++;
2686		4086
2687	warn "entering sync_job";	4087	my $t1 = AE::time;
2688		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2689	cf::sync_job {	4095	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark
2691	cf::emergency_save;	4096	#cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark
2693		4097
2694	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;
2696
2697	# if anything goes wrong in here, we should simply crash as we already saved
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();	4100	%EXT_CORO = ();
2718		4101
2719	warn "removing commands";	4102	trace "perl_reload: removing commands";
2720	%COMMAND = ();	4103	%COMMAND = ();
2721		4104
2722	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2723	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2724		4108
2725	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2728		4112
2729	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2730	eval {	4114	eval {
2731	$cb->($pkg);	4115	$cb->($pkg);
2732	1	4116	1
2733	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2734	}	4122	}
2735		4123
2736	warn "... nuking $pkg";
2737	Symbol::delete_package $pkg;
2738	}
2739
2740	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2741	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		4127
2744	warn "... unloading $k";	4128	trace "... unloading $k";
2745	delete $INC{$k};	4129	delete $INC{$k};
2746		4130
2747	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2749		4133
2750	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2751	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2752	}	4139	}
2753		4140
2754	Symbol::delete_package $k;
2755	}
2756
2757	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		4144
2761	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		4148
2765	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2766	# and global variables created in xs	4150	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2768		4152
2769	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2770		4154
2771	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2772	require cf;	4156	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2774		4158
2775	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2776	cf::cfg_load;	4160	cf::reload_config;
2777		4161
2778	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2779	cf::load_extensions;	4163	cf::load_extensions;
2780		4164
		4165	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2784	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
2787		4173
2788	warn "leaving sync_job";	4174	cf::_post_init 1;
2789		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
2790	1	4178	1
2791	} or do {	4179	} or do {
2792	warn $@;	4180	error $@;
2793	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
2794	exit 1;	4182	};
		4183
		4184	--$RELOAD;
2795	};	4185	}
2796		4186
2797	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
2798	};	4189	};
2799		4190
2800	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
2801		4192
2802	sub reload_perl() {	4193	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
2805		4196
2806	$RELOAD_WATCHER ||= Event->timer (	4197	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	4198	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	4199
2809	data => WF_AUTOCANCEL,	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	4201	do_reload_perl;
2812	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
2813	},	4203	};
2814	);	4204	};
2815	}	4205	}
2816		4206
2817	register_command "reload" => sub {	4207	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2819		4209
2820	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
		4212	async {
		4213	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	4214	reload_perl;
		4215	};
2823	}	4216	}
2824	};	4217	};
2825		4218
2826	unshift @INC, $LIBDIR;	4219	#############################################################################
2827		4220
2828	my $bug_warning = 0;	4221	my $bug_warning = 0;
2829		4222
2830	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;
2832
2833	sub wait_for_tick {	4223	sub wait_for_tick() {
2834	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2835	return if $Coro::current == $Coro::main;
2836		4225
2837	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
2838	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;
2840	}	4227	}
2841		4228
2842	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
2843	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2844	return if $Coro::current == $Coro::main;
2845		4231
2846	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	4234	$signal->wait;
2849	}	4235	}
2850		4236
2851	$TICK_WATCHER = Event->timer (	4237	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2861	return;	4241	return;
2862	}	4242	}
2863		4243
2864	$NOW = $tick_start = Event::time;	4244	cf::one_tick; # one server iteration
2865		4245
2866	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867		4247
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	4250	Coro::async_pool {
		4251	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	4252	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
2876	};
2877	}	4254	};
		4255	}
2878		4256
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	4258	$sig->send;
2884	}	4259	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
2886	$sig->send;
2887	}
2888		4261
2889	$NOW = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		4264
2900	_post_tick;	4265	if (0) {
2901		4266	if ($NEXT_TICK) {
2902		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
2903	},	4271	}
2904	);	4272	}
2905		4273
2906	{	4274	{
2907	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
2909	reentrant => 0,	4277
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
2917		4279	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		4281
2933	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		4289
2936	cf::sync_job {	4290	cf::sync_job {
2937	eval {	4291	eval {
2938	BDB::db_env_open	4292	BDB::db_env_open
2939	$DB_ENV,	4293	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	4297	0666;
2944		4298
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	4300	};
2950		4301
2951	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	4303	};
2953	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
2954	}	4317	}
2955		4318
2956	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
2957	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,	4326	info "aio initialised";
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	4327	}
2970		4328
2971	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
2972		4331
2973	sub _log_backtrace {	4332	sub _log_backtrace {
2974	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
2975		4334
2976	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
2977		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2978	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
2980	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
2981	async {	4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
2982	my @bt = fork_call {	4348	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	4352	or die "addr2line: $!";
…		…
2994	}	4360	}
2995		4361
2996	@funcs	4362	@funcs
2997	};	4363	};
2998		4364
2999	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	4368	--$_log_backtrace;
3002	};	4369	};
3003	} else {	4370	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3006	}	4373	}
3007	}	4374	}
3008		4375
3009	# load additional modules	4376	# load additional modules
3010	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3011		4379
3012	END { cf::emergency_save }	4380	END { cf::emergency_save }
3013		4381
3014	1	4382	1
3015		4383

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