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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.590 by root, Sun Nov 4 02:20:11 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
		152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
		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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
95	binmode STDOUT;	165	binmode STDOUT;
96	binmode STDERR;	166	binmode STDERR;
97		167
98	# read virtual server time, if available	168	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
103	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
104		176
105	mkdir $_	177	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		179
108	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
109		181
110	sub cf::map::normalise;	182	sub cf::map::normalise;
111		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
112	#############################################################################	188	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
115		202
116	=over 4	203	=over 4
117		204
118	=item $cf::UPTIME	205	=item $cf::UPTIME
119		206
120	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.
121		223
122	=item $cf::RUNTIME	224	=item $cf::RUNTIME
123		225
124	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
125	every server tick.	227	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
134	database environment.	236	database environment.
135		237
		238	=item $cf::LOADAVG
		239
		240	The current CPU load on the server (alpha-smoothed), as a value between 0
		241	(none) and 1 (overloaded), indicating how much time is spent on processing
		242	objects per tick. Healthy values are < 0.5.
		243
136	=item $cf::NOW	244	=item $cf::LOAD
137		245
138	The time of the last (current) server tick.	246	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		247
144	=item %cf::CFG	248	=item %cf::CFG
145		249
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	251	from wherever your confdir points to.
148		252
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		254
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
155	=back	288	=back
156		289
157	=cut	290	=cut
158		291
159	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	299	my $msg = join "", @_;
162		300
163	$msg .= "\n"	301	$msg .= "\n"
164	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
165		303
166	$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;
167		305
168	utf8::encode $msg;
169	LOG llevError, $msg;	306	LOG llevWarn, $msg;
170	};	307	};
171	}	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	};
172		322
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		330
180	# 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
181	# within the Safe compartment.	332	# within the Safe compartment.
182	for my $pkg (qw(	333	for my $pkg (qw(
183	cf::global cf::attachable	334	cf::global cf::attachable
184	cf::object cf::object::player	335	cf::object cf::object::player
185	cf::client cf::player	336	cf::client cf::player
186	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
187	cf::map cf::party cf::region	339	cf::party cf::region
188	)) {	340	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	342	}
192		343
193	$Event::DIED = sub {	344	$EV::DIED = sub {
194	warn "error in event callback: @_";	345	warn "error in event callback: $@";
195	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
196		354
197	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
198		356
199	=over 4	357	=over 4
200		358
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	378	$d
221	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
222	}	380	}
223		381
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
225		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
226	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
227		435
228	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
229		437
230	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
231		439
232	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	511	=item cf::lock_wait $string
235		512
236	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
237		514
238	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
239		516
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
243	returned.	520	returned.
244		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
245	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
246	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
247		527
248	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
249		529
250	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.
251		531
252	=cut	532	=cut
253		533
254	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
255		535
256	sub lock_wait($) {	536	sub lock_wait($) {
257	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	538	}
265		539
266	sub lock_acquire($) {	540	sub lock_acquire($) {
267	my ($key) = @_;	541	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	542	}
279		543
280	sub lock_active($) {	544	sub lock_active($) {
281	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	546	}
285		547
286	sub freeze_mainloop {	548	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
288		550
289	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
291	};	621	}
292	$TICK_WATCHER->stop;	622	};
293	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
294	}	637	}
295		638
296	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
297		640
298	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		646
304	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
305		648
306	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
307		650
308	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
311		655
312	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
315	fast or be very important.	659	fast or be very important.
…		…
317	=cut	661	=cut
318		662
319	sub sync_job(&) {	663	sub sync_job(&) {
320	my ($job) = @_;	664	my ($job) = @_;
321		665
322	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
323	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
325		671
326	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	673
328	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
329		675
330	my $busy = 1;	676	my $busy = 1;
331	my @res;	677	my @res;
332		678
333	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	681	@res = eval { $job->() };
335	warn $@ if $@;	682	error $@ if $@;
336	undef $busy;	683	undef $busy;
337	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
338		685
339	while ($busy) {	686	while ($busy) {
340	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
341	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
342		697
343	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
344	} else {	699	} else {
345	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
346		701
…		…
366	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
367		722
368	$coro	723	$coro
369	}	724	}
370		725
371	sub write_runtime {	726	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		727
374	my $runtime = "$LOCALDIR/runtime";	728	Executes the given code block with the given arguments in a seperate
		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.
375		732
376	warn "starting to write runtime...\n";#d#	733	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		734
380	my $value = $cf::RUNTIME + 90 + 10;	735	sub post_fork {
381	# 10 is the runtime save interval, for a monotonic clock	736	reset_signals;
382	# 60 allows for the watchdog to kill the server.	737	}
383		738
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	739	sub fork_call(&@) {
385	and return;	740	my ($cb, @args) = @_;
386		741
387	# always fsync - this file is important	742	# we seemingly have to make a local copy of the whole thing,
388	aio_fsync $fh	743	# otherwise perl prematurely frees the stuff :/
389	and return;	744	# TODO: investigate and fix (likely this will be rather laborious)
390		745
391	close $fh	746	my @res = Coro::Util::fork_eval {
392	or return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
393		750
394	aio_rename "$runtime~", $runtime	751	wantarray ? @res : $res[-1]
395	and return;	752	}
396		753
397	warn "... done writing runtime.\n";#d#	754	sub objinfo {
398
399	1	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 $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		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 $data;
		915	}
		916
		917	db_get cache => "$id/data"
400	}	918	}
401		919
402	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
403		921
404	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.
405		923
406	=cut	924	=cut
407		925
408	sub datalog($@) {	926	sub datalog($@) {
409	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	929	}
412		930
413	=back	931	=back
414		932
415	=cut	933	=cut
416		934
417	#############################################################################	935	#############################################################################
418		936
419	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
420		938
421	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
422	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")
423	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
424		942
425	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>
426	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
427	crossfire+).	945	Deliantra).
428		946
429	=over 4	947	=over 4
430		948
431	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
432		950
…		…
476	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
477		995
478	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
480		998
481	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		1001
484	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
485		1003
486	=over 4	1004	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
596		1114
597	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		1119
602	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
604		1122
605	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
610		1128
611	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		1131
614	} elsif (ref $type) {	1132	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
616		1134
617	} else {	1135	} else {
618	shift @arg;	1136	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
620	}	1138	}
621	}	1139	}
622	}	1140	}
623		1141
624	sub _object_attach {	1142	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
635	}	1153	}
636		1154
637	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
638	} else {	1156	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1158	}
641		1159
642	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
643	}	1161	}
644		1162
…		…
646	if (ref $_[0]) {	1164	if (ref $_[0]) {
647	_object_attach @_;	1165	_object_attach @_;
648	} else {	1166	} else {
649	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
650	}	1168	}
		1169	_recalc_want;
651	};	1170	};
652		1171
653	# all those should be optimised	1172	# all those should be optimised
654	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1178	reattach ($obj);
660	} else {	1179	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
662	}	1181	}
		1182	_recalc_want;
663	};	1183	};
664		1184
665	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
667		1187
…		…
682	";	1202	";
683	die if $@;	1203	die if $@;
684	}	1204	}
685		1205
686	our $override;	1206	our $override;
687	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?
688		1208
689	sub override {	1209	sub override {
690	$override = 1;	1210	$override = 1;
691	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
692	}	1212	}
693		1213
694	sub do_invoke {	1214	sub do_invoke {
695	my $event = shift;	1215	my $event = shift;
696	my $callbacks = shift;	1216	my $callbacks = shift;
697		1217
698	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
699		1219
700	local $override;	1220	local $override;
701		1221
702	for (@$callbacks) {	1222	for (@$callbacks) {
703	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
704		1224
705	if ($@) {	1225	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1227	override;
709	}	1228	}
710		1229
711	return 1 if $override;	1230	return 1 if $override;
712	}	1231	}
713		1232
714	0	1233	0
715	}	1234	}
716		1235
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1237
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1239
721	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
722		1241
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1245
727	=back	1246	=back
728		1247
729	=cut	1248	=cut
730		1249
731	#############################################################################	1250	#############################################################################
732	# 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, $ob2
		1293	}
733		1294
734	sub reattach {	1295	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1297	my ($obj) = @_;
737		1298
		1299	# no longer needed after getting rid of delete_package?
738	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
739		1301
740	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
741		1303
742	@$registry = ();	1304	@$registry = ();
743		1305
…		…
748	for (@$attach) {	1310	for (@$attach) {
749	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
751	}	1313	}
752	} else {	1314	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1316	}
755	}	1317	}
756	}	1318	}
757		1319
758	cf::attachable->attach (	1320	cf::attachable->attach (
759	prio => -1000000,	1321	prio => -1000000,
760	on_instantiate => sub {	1322	on_instantiate => sub {
761	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
762		1324
763	$data = from_json $data;	1325	$data = decode_json $data;
764		1326
765	for (@$data) {	1327	for (@$data) {
766	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
767		1329
768	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1346	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
786		1348
787	sync_job {	1349	sync_job {
788	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
791		1355
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	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	}
796	close $fh;	1363	aio_close $fh;
797		1364
798	if (@$objs) {	1365	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
803	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	}
804	close $fh;	1374	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
806	}	1376	}
807	} else {	1377	} else {
808	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
809	}	1379	}
810		1380
811	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1385	} else {
813	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
814	}	1387	}
815	} else {	1388	} else {
816	aio_unlink $filename;	1389	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
818	}	1391	}
819	}	1392	};
820	}	1393	}
821		1394
822	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
824		1397
…		…
836	or return;	1409	or return;
837		1410
838	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
840	or return;	1413	or return;
		1414
841	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
842	}	1417	}
843		1418
		1419	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
846	return ($data, $av);	1424	($data, $av)
847	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
848		1432
849	#############################################################################	1433	#############################################################################
850	# command handling &c	1434	# command handling &c
851		1435
852	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1450	}
867		1451
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1453
870	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.
871		1459
872	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
873	called.	1461	called.
874		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
875	=cut	1474	=cut
876		1475
877	sub register_extcmd {	1476	sub register_extcmd {
878	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
879		1478
880	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
881	}	1480	}
882		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
883	cf::player->attach (	1490	cf::player->attach (
884	on_command => sub {	1491	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
886		1493
887	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
888	or return;	1495	or return;
889		1496
…		…
894	cf::override;	1501	cf::override;
895	},	1502	},
896	on_extcmd => sub {	1503	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
898		1505
899	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1507
901	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
907	} else {	1520	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1522	}
910		1523
911	cf::override;	1524	cf::override;
912	},	1525	},
913	);	1526	);
914		1527
		1528	# "readahead" all extensions
915	sub load_extension {	1529	sub cache_extensions {
916	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
917		1531
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1535	}
943	die $@;
944	}	1536	};
945		1537
946	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;
947	}	1550	}
948		1551
949	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
950	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1561	next unless -r $path;
952	eval {	1562
953	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 $active;
		1634	}
954	1	1635	}
955	} or warn "$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	}
956	}	1648	};
957	}	1649	}
958		1650
959	#############################################################################	1651	#############################################################################
960		1652
		1653	=back
		1654
961	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
962		1656
963	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
964		1658
965	=cut	1659	=cut
966		1660
967	package cf::player;	1661	package cf::player;
968		1662
969	use Coro::AIO;	1663	use Coro::AIO;
970		1664
971	=head3 cf::player	1665	=head3 cf::player
972		1666
973	=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	}
974		1682
975	=item cf::player::find $login	1683	=item cf::player::find $login
976		1684
977	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
978		1686
…		…
997		1705
998	sub exists($) {	1706	sub exists($) {
999	my ($login) = @_;	1707	my ($login) = @_;
1000		1708
1001	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1003	}	1711	}
1004		1712
1005	sub find($) {	1713	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1715	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1726
1019	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1022	}	1736	}
1023	}	1737	}
1024	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1025		1752
1026	sub save($) {	1753	sub save($) {
1027	my ($pl) = @_;	1754	my ($pl) = @_;
1028		1755
1029	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1035		1762
1036	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1038		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
1039	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1040	Coro::cede;	1772	cf::cede_to_tick;
1041	}	1773	}
1042		1774
1043	sub new($) {	1775	sub new($) {
1044	my ($login) = @_;	1776	my ($login) = @_;
1045		1777
…		…
1051	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1052		1784
1053	$self	1785	$self
1054	}	1786	}
1055		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
1056	=item $pl->quit_character	1798	=item $pl->quit_character
1057		1799
1058	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1060		1802
…		…
1064	my ($pl) = @_;	1806	my ($pl) = @_;
1065		1807
1066	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1067		1809
1068	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1069	$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
1070		1812
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1072	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1074	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1075		1821
1076	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1078	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1113	or return [];	1859	or return [];
1114		1860
1115	my @logins;	1861	my @logins;
1116		1862
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1121		1873
1122	utf8::decode $login;	1874	utf8::decode $login;
1123	push @logins, $login;	1875	push @logins, $login;
1124	}	1876	}
1125		1877
1126	\@logins	1878	\@logins
1127	}	1879	}
1128		1880
1129	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1130		1884
1131	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1132	player. May block.	1886	player. May block.
1133		1887
1134	=cut	1888	=cut
…		…
1152	}	1906	}
1153		1907
1154	\@paths	1908	\@paths
1155	}	1909	}
1156		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1157	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1158		1916
1159	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1160		1918
1161	=cut	1919	=cut
1162		1920
1163	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1165		1923
1166	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1925	}
1170		1926
1171	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1172		1928
1173	Sends an ext event to the client.	1929	Sends an ext event to the client.
1174		1930
1175	=cut	1931	=cut
1176		1932
1177	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1179		1935
1180	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1181	}	1937	}
1182		1938
1183	=head3 cf::region	1939	=head3 cf::region
1184		1940
1185	=over 4	1941	=over 4
…		…
1188		1944
1189	package cf::region;	1945	package cf::region;
1190		1946
1191	=item cf::region::find_by_path $path	1947	=item cf::region::find_by_path $path
1192		1948
1193	Tries to decuce the probable region for a map knowing only its path.	1949	Tries to decuce the likely region for a map knowing only its path.
1194		1950
1195	=cut	1951	=cut
1196		1952
1197	sub find_by_path($) {	1953	sub find_by_path($) {
1198	my ($path) = @_;	1954	my ($path) = @_;
1199		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1200	my ($match, $specificity);	1958	my ($match, $specificity);
1201		1959
1202	for my $region (list) {	1960	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1206	}	1964	}
1207	}	1965	}
1208		1966
…		…
1229	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1231		1989
1232	sub generate_random_map {	1990	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1234	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1235	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1246	(cf::region::find $rmp->{region}), $rmp->{custom}
1247	)
1248	}	1996	}
1249		1997
1250	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1251		1999
1252	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1257		2005
1258	sub register {	2006	sub register {
1259	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1260	my $pkg = caller;	2008	my $pkg = caller;
1261		2009
1262	no strict;
1263	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1264		2011
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	2013	}
1267		2014
1268	# also paths starting with '/'	2015	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		2017
1271	sub thawer_merge {	2018	sub thawer_merge {
1272	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1273		2020
1274	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1275	local $self->{path};	2022	local $self->{path};
1276	local $self->{load_path};	2023	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		2024
1280	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1281	}	2026	}
1282		2027
1283	sub normalise {	2028	sub normalise {
1284	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1285		2030
1286	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1287		2032
1288	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1289		2034
1290	# map plan:	2035	# map plan:
1291	#	2036	#
…		…
1306	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1307	$path = "$base/$path";	2052	$path = "$base/$path";
1308	}	2053	}
1309		2054
1310	for ($path) {	2055	for ($path) {
1311	redo if s{//}{/};
1312	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1313	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1314	}	2058	}
1315		2059
1316	$path	2060	$path
…		…
1330	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1331	return $self;	2075	return $self;
1332	}	2076	}
1333	}	2077	}
1334		2078
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1336	()	2080	()
1337	}	2081	}
1338		2082
		2083	# may re-bless or do other evil things
1339	sub init {	2084	sub init {
1340	my ($self) = @_;	2085	my ($self) = @_;
1341		2086
1342	$self	2087	$self
1343	}	2088	}
…		…
1362		2107
1363	# the temporary/swap location	2108	# the temporary/swap location
1364	sub save_path {	2109	sub save_path {
1365	my ($self) = @_;	2110	my ($self) = @_;
1366		2111
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1369	}	2114	}
1370		2115
1371	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1372	sub uniq_path {	2117	sub uniq_path {
1373	my ($self) = @_;	2118	my ($self) = @_;
1374		2119
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1377	}	2122	}
1378		2123
1379	# and all this just because we cannot iterate over	2124	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	2125	my ($self) = @_;
1383		2126
1384	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1386	}	2130	}
1387		2131
1388	sub unlink_save {	2132	sub unlink_save {
1389	my ($self) = @_;	2133	my ($self) = @_;
1390		2134
…		…
1395		2139
1396	sub load_header_from($) {	2140	sub load_header_from($) {
1397	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1398		2142
1399	utf8::encode $path;	2143	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	2145	or return;
1405		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1406	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1407		2154
1408	1	2155	1
1409	}	2156	}
1410		2157
		2158	# used to laod the header of an original map
1411	sub load_header_orig {	2159	sub load_header_orig {
1412	my ($self) = @_;	2160	my ($self) = @_;
1413		2161
1414	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1415	}	2163	}
1416		2164
		2165	# used to laod the header of an instantiated map
1417	sub load_header_temp {	2166	sub load_header_temp {
1418	my ($self) = @_;	2167	my ($self) = @_;
1419		2168
1420	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1421	}	2170	}
1422		2171
		2172	# called after loading the header from an instantiated map
1423	sub prepare_temp {	2173	sub prepare_temp {
1424	my ($self) = @_;	2174	my ($self) = @_;
1425		2175
1426	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1427	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1428	# safety	2178	# safety
1429	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1430	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1431	}	2181	}
1432		2182
		2183	# called after loading the header from an original map
1433	sub prepare_orig {	2184	sub prepare_orig {
1434	my ($self) = @_;	2185	my ($self) = @_;
1435		2186
1436	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1437	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1448	$self->load_header_orig	2199	$self->load_header_orig
1449	or return;	2200	or return;
1450	$self->prepare_orig;	2201	$self->prepare_orig;
1451	}	2202	}
1452		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
1453	$self->default_region (cf::region::find_by_path $self->{path})	2207	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2208	unless $self->default_region;
1455		2209
1456	1	2210	1
1457	}	2211	}
1458		2212
1459	sub find;	2213	sub find;
1460	sub find {	2214	sub find {
1461	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1462		2216
		2217	cf::cede_to_tick;
		2218
1463	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1464		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2223
1467	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1470	or return;	2226	or return;
1471		2227
1472	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1473		2229
1474	$map->load_header	2230	$map->load_header
1475	or return;	2231	or return;
1476		2232
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1480	$map->reset;	2238	$map->reset;
1481	undef $guard;
1482	return find $path;	2239	return find $path;
1483	}	2240	}
1484		2241
1485	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1486	}	2243	}
1487	}	2244	}
1488		2245
1489	sub pre_load { }	2246	sub pre_load { }
1490	sub post_load { }	2247	#sub post_load { } # XS
1491		2248
1492	sub load {	2249	sub load {
1493	my ($self) = @_;	2250	my ($self) = @_;
1494		2251
1495	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1496		2253
1497	my $path = $self->{path};	2254	my $path = $self->{path};
1498		2255
1499	{	2256	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1501		2258
		2259	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1503
1504	$self->in_memory (cf::MAP_LOADING);
1505		2261
1506	$self->alloc;	2262	$self->alloc;
1507		2263
1508	$self->pre_load;	2264	$self->pre_load;
1509	Coro::cede;	2265	cf::cede_to_tick;
1510		2266
1511	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1512	or return;	2271	or return;
1513		2272
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1515	if delete $self->{load_original};	2274	if delete $self->{load_original};
1516		2275
1517	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2277	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2280	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1522	}	2285	}
1523	}
1524		2286
1525	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1526	# now do the right thing for maps	2296	# now do the right thing for maps
1527	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2299	unless $self->difficulty;
1530	Coro::cede;	2300	cf::cede_to_tick;
1531		2301
1532	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2303	$self->decay_objects;
1534	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1535	$self->update_buttons;	2305	$self->update_buttons;
1536	Coro::cede;	2306	cf::cede_to_tick;
1537	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1538	Coro::cede;
1539	$self->activate;
1540	}	2308	}
1541		2309
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1543	}	2312	}
1544		2313
1545	$self->post_load;	2314	$self->post_load;
1546	}
1547		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2322	sub customise_for {
1549	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1550		2324
1551	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2326	if $self->per_player;
1553		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1554	$self	2331	$self
1555	}
1556
1557	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {
1559	my ($map) = @_;
1560
1561	my @diag; # diagonal neighbours
1562
1563	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)
1565	or next;
1566	$neigh = find $neigh, $map
1567	or next;
1568	$neigh->load;
1569
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}
1573
1574	for (@diag) {
1575	my $neigh = find @$_
1576	or next;
1577	$neigh->load;
1578	}
1579	}	2332	}
1580		2333
1581	sub find_sync {	2334	sub find_sync {
1582	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1583		2336
1584	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1585	}	2342	}
1586		2343
1587	sub do_load_sync {	2344	sub do_load_sync {
1588	my ($map) = @_;	2345	my ($map) = @_;
1589		2346
1590	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1591	}	2352	}
1592		2353
1593	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1595		2356
1596	sub find_async {	2357	sub find_async {
1597	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1598		2359
1599	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1600		2361
1601	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1603	}	2364	}
1604		2365
1605	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1606	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1607	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2373	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2374	$map->load if $v;
		2375	}
1612		2376
1613	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1614	}	2378	}
1615	}	2379	}
1616	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1617	};	2381	};
1618	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1619		2383
1620	()	2384	()
1621	}	2385	}
1622		2386
		2387	# common code, used by both ->save and ->swapout
1623	sub save {	2388	sub _save {
1624	my ($self) = @_;	2389	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2390
1628	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1629		2392
1630	return unless $self->dirty;	2393	return unless $self->dirty;
1631		2394
…		…
1637	return if $self->{deny_save};	2400	return if $self->{deny_save};
1638		2401
1639	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1640		2403
1641	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1643	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1644		2410
1645	if ($uniq) {	2411	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2414	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2416	}
1651	}	2417	}
1652		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1653	sub swap_out {	2427	sub swap_out {
1654	my ($self) = @_;	2428	my ($self) = @_;
1655		2429
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1661	return if $self->players;	2434	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1665	$self->clear;	2445	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2446	}
1668		2447
1669	sub reset_at {	2448	sub reset_at {
1670	my ($self) = @_;	2449	my ($self) = @_;
1671		2450
1672	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1675		2453
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2456
…		…
1689	my ($self) = @_;	2467	my ($self) = @_;
1690		2468
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2470
1693	return if $self->players;	2471	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2472
1696	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1697		2474
1698	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1699		2476
1700	# need to save uniques path	2477	# need to save uniques path
1701	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1702	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1703		2480
…		…
1705	if $uniq;	2482	if $uniq;
1706	}	2483	}
1707		2484
1708	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1709		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2489	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2490
1714	$self->unlink_save;	2491	$self->unlink_save;
1715	$self->destroy;	2492	$self->destroy;
1716	}	2493	}
1717		2494
1718	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1719		2496
1720	sub nuke {	2497	sub nuke {
1721	my ($self) = @_;	2498	my ($self) = @_;
1722		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1723	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1724		2504
1725	$self->unlink_save;	2505	$self->unlink_save;
1726		2506
1727	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2512
1733	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1734		2515
1735	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1736	}	2553	}
1737		2554
1738	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1739		2556
1740	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2558	instantiated unique items. May block.
1742		2559
1743	=cut	2560	=cut
1744		2561
1745	sub unique_maps() {	2562	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2563	[
1747	or return;	2564	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2565	utf8::decode $_;
1753	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2568	? ()
1756	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2571	]
1758
1759	\@paths
1760	}	2572	}
1761		2573
1762	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1763		2605
1764	=back	2606	=back
1765		2607
1766	=head3 cf::object	2608	=head3 cf::object
1767		2609
…		…
1771		2613
1772	=over 4	2614	=over 4
1773		2615
1774	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1775		2617
1776	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1777		2620
1778	=cut	2621	=cut
1779		2622
1780	sub inv_recursive_;	2623	sub inv_recursive_;
1781	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1784		2627
1785	sub inv_recursive {	2628	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1787	}	2630	}
1788		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1789	package cf;	2660	package cf;
1790		2661
1791	=back	2662	=back
1792		2663
1793	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1802		2673
1803	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1804		2689
1805	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2691	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1810		2695
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2697
1813	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1815	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1818	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1819	}	2723	}
1820		2724
1821	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1822		2726
1823	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1836		2740
1837	=item $player_object->enter_link	2741	=item $player_object->enter_link
1838		2742
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2744
1841	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1843		2749
1844	Will never block.	2750	Will never block.
1845		2751
1846	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1847		2753
…		…
1867	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2774	my ($self) = @_;
1869		2775
1870	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1871		2777
		2778	++$self->{_link_recursion};
		2779
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2781
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1876		2784
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2786	}
1879		2787
1880	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1882		2792
1883	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1884		2794
1885	unless ($map) {	2795	unless ($map) {
1886	# restore original map position	2796	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1899		2809
1900	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1903		2813
1904	$map->load;	2814	$map->load;
1905	$map->load_diag;
1906		2815
1907	return unless $self->contr->active;	2816	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2817
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1912	}	2820	# entering was successful
1913		2821	delete $self->{_link_recursion};
1914	cf::player->attach (	2822	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2823	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2824	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2825
1928	# try to abort aborted map switching on player login :)	2826	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2827
1946	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		2829
		2830	Moves the player to the given map-path and coordinates by first freezing
		2831	her, loading and preparing them map, calling the provided $check callback
		2832	that has to return the map if sucecssful, and then unfreezes the player on
		2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
1948	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1949		2842
1950	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2854
1953	$self->enter_link;	2855	$self->enter_link;
1954		2856
1955	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1956	my $map = eval {	2879	my $map = eval {
1957	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2883	$map = $map->customise_for ($self);
		2884	$map = $check->($map, $x, $y, $self) if $check && $map;
		2885	} else {
		2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888
1959	$map	2889	$map
		2890	};
		2891
		2892	if ($@) {
		2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2894	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2895	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1964	})->prio (1);	2903	})->prio (1);
1965	}	2904	}
1966		2905
1967	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1968		2907
…		…
1988	}	2927	}
1989		2928
1990	sub prepare_random_map {	2929	sub prepare_random_map {
1991	my ($exit) = @_;	2930	my ($exit) = @_;
1992		2931
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2934	# that depends on the exit object
1998		2935
1999	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2938	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2006	}	2945	}
2007		2946
2008	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2009		2948
2010	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2013		2952
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2955	undef $fh;
2017	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2018		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2021	}	2964	}
2022	}	2965	}
2023		2966
2024	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2026		2969
2027	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2028		2971
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2972	$self->enter_link;
2041		2973
2042	(async {	2974	(async {
2043	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2044	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2045	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2046		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2047	1;	3013	1
2048	}) {	3014	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2053		3019
2054	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	3021	$self->leave_link;
2056	}	3022	}
2057	})->prio (1);	3023	})->prio (1);
2058	}	3024	}
2059		3025
…		…
2073		3039
2074	utf8::encode $text;	3040	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	3042	}
2077		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2078	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2079		3232
2080	Sends an exti event to the client.	3233	Sends an ext event to the client.
2081		3234
2082	=cut	3235	=cut
2083		3236
2084	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2086		3239
2087	$msg{msgtype} = "event_$type";	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2088	$self->send_packet ("ext " . cf::to_json \%msg);	3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2089	}	3253	}
2090		3254
2091	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2092		3256
2093	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		3260
2097	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	3262	become reliable at some point in the future.
2099		3263
2100	=cut	3264	=cut
2101		3265
2102	sub cf::client::query {	3266	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3275	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3277
2114	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2116	}	3282	}
2117		3283
2118	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
2119	on_reply => sub {	3290	on_reply => sub {
2120	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2121		3292
2122	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2123	# get handled first	3294	# get handled first
…		…
2135	} else {	3306	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3308	}
2138	}	3309	}
2139	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2140	);	3334	);
2141		3335
2142	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2143		3337
2144	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3354
2161	$coro	3355	$coro
2162	}	3356	}
2163		3357
2164	cf::client->attach (	3358	cf::client->attach (
2165	on_destroy => sub {	3359	on_client_destroy => sub {
2166	my ($ns) = @_;	3360	my ($ns) = @_;
2167		3361
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3363	},
2170	);	3364	);
…		…
2185	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2187		3381
2188	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2189		3383
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2191		3389
2192	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2193		3391
2194	=pod	3392	=pod
2195		3393
2196	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2197		3395
2198	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2199	cf::object::player player	3401	cf::object::player
2200	cf::player peaceful	3402	player
2201	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2202		3409
2203	=cut	3410	=cut
2204		3411
2205	for (	3412	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2210	) {	3419	) {
2211	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214	for @funs;	3422	for @funs;
2215	}	3423	}
2216		3424
…		…
2231		3439
2232	my $qcode = $code;	3440	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2235		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2236	local $_;	3447	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3448
2239	my $eval =	3449	my $eval =
2240	"do {\n"	3450	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3453	. $code
2244	. "\n}"	3454	. "\n}"
2245	;	3455	;
2246		3456
		3457	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2250		3466
2251	if ($@) {	3467	if ($@) {
2252	warn "$@";	3468	warn "$@",
2253	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2255	}	3471	}
2256		3472
2257	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2258	}	3474	}
2259		3475
…		…
2273	=cut	3489	=cut
2274		3490
2275	sub register_script_function {	3491	sub register_script_function {
2276	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2277		3493
2278	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2280	}	3496	}
2281		3497
2282	=back	3498	=back
2283		3499
2284	=cut	3500	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3501
2460	#############################################################################	3502	#############################################################################
2461	# the server's init and main functions	3503	# the server's init and main functions
2462		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2463	sub load_facedata($) {	3529	sub load_facedata($) {
2464	my ($path) = @_;	3530	my ($path) = @_;
2465		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2466	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2467		3539
2468	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2469	0 < aio_load $path, $facedata
2470	or die "$path: $!";
2471
2472	$facedata = Coro::Storable::thaw $facedata;
2473		3541
2474	$facedata->{version} == 2	3542	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3544
		3545	cf::cede_to_tick;
		3546
2477	{	3547	{
2478	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2479		3549
2480	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2486	}	3562	}
2487		3563
2488	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2490	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2491	or next;	3568	or next;
		3569
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3573	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3575	}
2497	Coro::cede;	3576
		3577	cf::cede_to_tick;
2498	}	3578	}
2499	}	3579	}
2500		3580
2501	{	3581	{
2502	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2503		3583
2504	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3586	cf::cede_to_tick;
2507	}	3587	}
2508		3588
2509	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2510	}	3590	}
2511		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2512	1	3614	1
2513	}	3615	}
2514		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2515	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2516	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2518	}	3660	}
2519		3661
2520	sub reload_facedata {	3662	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2523	}	3665	}
2524		3666
2525	sub reload_archetypes {	3667	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2528	}	3679	}
2529		3680
2530	sub reload_treasures {	3681	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2533	}	3684	}
2534		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
2535	sub reload_resources {	3706	sub reload_resources {
2536	warn "reloading resource files...\n";	3707	trace "reloading resource files...\n";
2537		3708
		3709	reload_materials;
		3710	reload_facedata;
		3711	reload_exp_table;
		3712	reload_sound;
		3713	reload_archetypes;
2538	reload_regions;	3714	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3715	reload_treasures;
2542		3716
2543	warn "finished reloading resource files\n";	3717	trace "finished reloading resource files\n";
2544	}	3718	}
2545		3719
2546	sub init {	3720	sub reload_config {
2547	reload_resources;	3721	trace "reloading config file...\n";
2548	}
2549		3722
2550	sub cfg_load {	3723	my $config = load_file "$CONFDIR/config";
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3724	utf8::decode $config;
2552	or return;	3725	*CFG = decode_yaml $config;
2553		3726
2554	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;
2556
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3727	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3728
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3729	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3730	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2561		3731
2562	if (exists $CFG{mlockall}) {	3732	if (exists $CFG{mlockall}) {
…		…
2566	};	3736	};
2567	warn $@ if $@;	3737	warn $@ if $@;
2568	}	3738	}
2569	}	3739	}
2570		3740
		3741	sub pidfile() {
		3742	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3743	or die "$PIDFILE: $!";
		3744	flock $fh, &Fcntl::LOCK_EX
		3745	or die "$PIDFILE: flock: $!";
		3746	$fh
		3747	}
		3748
		3749	# make sure only one server instance is running at any one time
		3750	sub atomic {
		3751	my $fh = pidfile;
		3752
		3753	my $pid = <$fh>;
		3754	kill 9, $pid if $pid > 0;
		3755
		3756	seek $fh, 0, 0;
		3757	print $fh $$;
		3758	}
		3759
		3760	sub main_loop {
		3761	trace "EV::loop starting\n";
		3762	if (1) {
		3763	EV::loop;
		3764	}
		3765	trace "EV::loop returned\n";
		3766	goto &main_loop unless $REALLY_UNLOOP;
		3767	}
		3768
2571	sub main {	3769	sub main {
		3770	cf::init_globals; # initialise logging
		3771
		3772	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3773	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3774	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3775	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3776
		3777	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3778
2572	# we must not ever block the main coroutine	3779	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3780	$Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3781	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3782	(async {
2576	Event::one_event;	3783	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3784	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3785	})->prio (Coro::PRIO_MAX);
2578	};	3786	};
2579		3787
2580	cfg_load;	3788	evthread_start IO::AIO::poll_fileno;
		3789
		3790	cf::sync_job {
		3791	cf::incloader::init ();
		3792
		3793	cf::init_anim;
		3794	cf::init_attackmess;
		3795	cf::init_dynamic;
		3796
		3797	cf::load_settings;
		3798
		3799	reload_resources;
		3800	reload_config;
2581	db_init;	3801	db_init;
		3802
		3803	cf::init_uuid;
		3804	cf::init_signals;
		3805	cf::init_skills;
		3806
		3807	cf::init_beforeplay;
		3808
		3809	atomic;
		3810
2582	load_extensions;	3811	load_extensions;
2583		3812
2584	$TICK_WATCHER->start;	3813	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3814
		3815	# no (long-running) fork's whatsoever before this point(!)
		3816	use POSIX ();
		3817	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3818
		3819	cf::_post_init 0;
		3820	};
		3821
		3822	cf::object::thawer::errors_are_fatal 0;
		3823	info "parse errors in files are no longer fatal from this point on.\n";
		3824
		3825	AE::postpone {
		3826	undef &main; # free gobs of memory :)
		3827	};
		3828
		3829	goto &main_loop;
2586	}	3830	}
2587		3831
2588	#############################################################################	3832	#############################################################################
2589	# initialisation and cleanup	3833	# initialisation and cleanup
2590		3834
2591	# install some emergency cleanup handlers	3835	# install some emergency cleanup handlers
2592	BEGIN {	3836	BEGIN {
		3837	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3838	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3839	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3840	cf::cleanup "SIG$signal";
2601	},
2602	);	3841	};
		3842	}
		3843	}
		3844
		3845	sub write_runtime_sync {
		3846	my $t0 = AE::time;
		3847
		3848	# first touch the runtime file to show we are still running:
		3849	# the fsync below can take a very very long time.
		3850
		3851	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3852
		3853	my $guard = cf::lock_acquire "write_runtime";
		3854
		3855	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3856	or return;
		3857
		3858	my $value = $cf::RUNTIME + 90 + 10;
		3859	# 10 is the runtime save interval, for a monotonic clock
		3860	# 60 allows for the watchdog to kill the server.
		3861
		3862	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3863	and return;
		3864
		3865	# always fsync - this file is important
		3866	aio_fsync $fh
		3867	and return;
		3868
		3869	# touch it again to show we are up-to-date
		3870	aio_utime $fh, undef, undef;
		3871
		3872	close $fh
		3873	or return;
		3874
		3875	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3876	and return;
		3877
		3878	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3879
2603	}	3880	1
		3881	}
		3882
		3883	our $uuid_lock;
		3884	our $uuid_skip;
		3885
		3886	sub write_uuid_sync($) {
		3887	$uuid_skip ||= $_[0];
		3888
		3889	return if $uuid_lock;
		3890	local $uuid_lock = 1;
		3891
		3892	my $uuid = "$LOCALDIR/uuid";
		3893
		3894	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3895	or return;
		3896
		3897	my $value = uuid_seq uuid_cur;
		3898
		3899	unless ($value) {
		3900	info "cowardly refusing to write zero uuid value!\n";
		3901	return;
		3902	}
		3903
		3904	my $value = uuid_str $value + $uuid_skip;
		3905	$uuid_skip = 0;
		3906
		3907	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3908	and return;
		3909
		3910	# always fsync - this file is important
		3911	aio_fsync $fh
		3912	and return;
		3913
		3914	close $fh
		3915	or return;
		3916
		3917	aio_rename "$uuid~", $uuid
		3918	and return;
		3919
		3920	trace "uuid file written ($value).\n";
		3921
		3922	1
		3923
		3924	}
		3925
		3926	sub write_uuid($$) {
		3927	my ($skip, $sync) = @_;
		3928
		3929	$sync ? write_uuid_sync $skip
		3930	: async { write_uuid_sync $skip };
2604	}	3931	}
2605		3932
2606	sub emergency_save() {	3933	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3934	my $freeze_guard = cf::freeze_mainloop;
2608		3935
2609	warn "enter emergency perl save\n";	3936	info "emergency_perl_save: enter\n";
		3937
		3938	# this is a trade-off: we want to be very quick here, so
		3939	# save all maps without fsync, and later call a global sync
		3940	# (which in turn might be very very slow)
		3941	local $USE_FSYNC = 0;
2610		3942
2611	cf::sync_job {	3943	cf::sync_job {
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
2612	# use a peculiar iteration method to avoid tripping on perl	3946	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3947	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3948	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3949	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3950	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3951	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3952	$pl->valid or next;
		3953	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3954	$pl->save;
2620	}	3955	}
2621	warn "end emergency player save\n";	3956	info "emergency_perl_save: end player save\n";
2622		3957
2623	warn "begin emergency map save\n";	3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	info "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3961	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3962	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3963	$map->valid or next;
2627	$map->save;	3964	$map->save;
2628	}	3965	}
2629	warn "end emergency map save\n";	3966	info "emergency_perl_save: end map save\n";
2630		3967
2631	warn "begin emergency database checkpoint\n";	3968	cf::write_runtime_sync; # external watchdog should not bark
		3969
		3970	info "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3971	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3972	info "emergency_perl_save: end database checkpoint\n";
		3973
		3974	info "emergency_perl_save: begin write uuid\n";
		3975	write_uuid_sync 1;
		3976	info "emergency_perl_save: end write uuid\n";
		3977
		3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	trace "emergency_perl_save: syncing database to disk";
		3981	BDB::db_env_txn_checkpoint $DB_ENV;
		3982
		3983	info "emergency_perl_save: starting sync\n";
		3984	IO::AIO::aio_sync sub {
		3985	info "emergency_perl_save: finished sync\n";
		3986	};
		3987
		3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	trace "emergency_perl_save: flushing outstanding aio requests";
		3991	while (IO::AIO::nreqs || BDB::nreqs) {
		3992	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3993	}
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
2634	};	3996	};
2635		3997
2636	warn "leave emergency perl save\n";	3998	info "emergency_perl_save: leave\n";
2637	}	3999	}
2638		4000
2639	sub post_cleanup {	4001	sub post_cleanup {
2640	my ($make_core) = @_;	4002	my ($make_core) = @_;
2641		4003
		4004	IO::AIO::flush;
		4005
2642	warn Carp::longmess "post_cleanup backtrace"	4006	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	4007	if $make_core;
		4008
		4009	my $fh = pidfile;
		4010	unlink $PIDFILE if <$fh> == $$;
		4011	}
		4012
		4013	# a safer delete_package, copied from Symbol
		4014	sub clear_package($) {
		4015	my $pkg = shift;
		4016
		4017	# expand to full symbol table name if needed
		4018	unless ($pkg =~ /^main::.*::$/) {
		4019	$pkg = "main$pkg" if $pkg =~ /^::/;
		4020	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4021	$pkg .= '::' unless $pkg =~ /::$/;
		4022	}
		4023
		4024	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4025	my $stem_symtab = *{$stem}{HASH};
		4026
		4027	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4028	or return;
		4029
		4030	# clear all symbols
		4031	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4032	for my $name (keys %$leaf_symtab) {
		4033	_gv_clear *{"$pkg$name"};
		4034	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4035	}
2644	}	4036	}
2645		4037
2646	sub do_reload_perl() {	4038	sub do_reload_perl() {
2647	# can/must only be called in main	4039	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	4040	unless (in_main) {
2649	warn "can only reload from main coroutine";	4041	error "can only reload from main coroutine";
2650	return;	4042	return;
2651	}	4043	}
2652		4044
2653	warn "reloading...";	4045	return if $RELOAD++;
2654		4046
2655	warn "entering sync_job";	4047	my $t1 = AE::time;
2656		4048
		4049	while ($RELOAD) {
		4050	cf::get_slot 0.1, -1, "reload_perl";
		4051	info "perl_reload: reloading...";
		4052
		4053	trace "perl_reload: entering sync_job";
		4054
2657	cf::sync_job {	4055	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark
2659	cf::emergency_save;	4056	#cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark
2661		4057
2662	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665	# if anything goes wrong in here, we should simply crash as we already saved
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";	4058	trace "perl_reload: cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;	4059	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();	4060	%EXT_CORO = ();
2686		4061
2687	warn "removing commands";	4062	trace "perl_reload: removing commands";
2688	%COMMAND = ();	4063	%COMMAND = ();
2689		4064
2690	warn "removing ext commands";	4065	trace "perl_reload: removing ext/exti commands";
2691	%EXTCMD = ();	4066	%EXTCMD = ();
		4067	%EXTICMD = ();
2692		4068
2693	warn "unloading/nuking all extensions";	4069	trace "perl_reload: unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	4070	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	4071	trace "... unloading $pkg";
2696		4072
2697	if (my $cb = $pkg->can ("unload")) {	4073	if (my $cb = $pkg->can ("unload")) {
2698	eval {	4074	eval {
2699	$cb->($pkg);	4075	$cb->($pkg);
2700	1	4076	1
2701	} or warn "$pkg unloaded, but with errors: $@";	4077	} or error "$pkg unloaded, but with errors: $@";
		4078	}
		4079
		4080	trace "... clearing $pkg";
		4081	clear_package $pkg;
2702	}	4082	}
2703		4083
2704	warn "... nuking $pkg";
2705	Symbol::delete_package $pkg;
2706	}
2707
2708	warn "unloading all perl modules loaded from $LIBDIR";	4084	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2709	while (my ($k, $v) = each %INC) {	4085	while (my ($k, $v) = each %INC) {
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4086	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		4087
2712	warn "... unloading $k";	4088	trace "... unloading $k";
2713	delete $INC{$k};	4089	delete $INC{$k};
2714		4090
2715	$k =~ s/\.pm$//;	4091	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;	4092	$k =~ s/\//::/g;
2717		4093
2718	if (my $cb = $k->can ("unload_module")) {	4094	if (my $cb = $k->can ("unload_module")) {
2719	$cb->();	4095	$cb->();
		4096	}
		4097
		4098	clear_package $k;
2720	}	4099	}
2721		4100
2722	Symbol::delete_package $k;
2723	}
2724
2725	warn "getting rid of safe::, as good as possible";	4101	trace "perl_reload: getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	4102	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4103	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		4104
2729	warn "unloading cf.pm \"a bit\"";	4105	trace "perl_reload: unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	4106	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	4107	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		4108
2733	# don't, removes xs symbols, too,	4109	# don't, removes xs symbols, too,
2734	# and global variables created in xs	4110	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	4111	#clear_package __PACKAGE__;
2736		4112
2737	warn "unload completed, starting to reload now";	4113	info "perl_reload: unload completed, starting to reload now";
2738		4114
2739	warn "reloading cf.pm";	4115	trace "perl_reload: reloading cf.pm";
2740	require cf;	4116	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4117	cf::_connect_to_perl_1;
2742		4118
2743	warn "loading config and database again";	4119	trace "perl_reload: loading config and database again";
2744	cf::cfg_load;	4120	cf::reload_config;
2745		4121
2746	warn "loading extensions";	4122	trace "perl_reload: loading extensions";
2747	cf::load_extensions;	4123	cf::load_extensions;
2748		4124
		4125	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	4126	trace "perl_reload: reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	4127	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	4128	trace "perl_reload: reattaching attachments to maps";
2752	reattach $_ for values %MAP;	4129	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	4130	trace "perl_reload: reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	4131	reattach $_ for values %PLAYER;
		4132	}
2755		4133
2756	warn "leaving sync_job";	4134	cf::_post_init 1;
2757		4135
		4136	trace "perl_reload: leaving sync_job";
		4137
2758	1	4138	1
2759	} or do {	4139	} or do {
2760	warn $@;	4140	error $@;
2761	warn "error while reloading, exiting.";	4141	cf::cleanup "perl_reload: error, exiting.";
2762	exit 1;	4142	};
		4143
		4144	--$RELOAD;
2763	};	4145	}
2764		4146
2765	warn "reloaded";	4147	$t1 = AE::time - $t1;
		4148	info "perl_reload: completed in ${t1}s\n";
2766	};	4149	};
2767		4150
2768	our $RELOAD_WATCHER; # used only during reload	4151	our $RELOAD_WATCHER; # used only during reload
2769		4152
2770	sub reload_perl() {	4153	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	4154	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	4155	# coro crashes during coro_state_free->destroy here.
2773		4156
2774	$RELOAD_WATCHER ||= Event->timer (	4157	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	4158	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	4159
2777	data => WF_AUTOCANCEL,	4160	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	4161	do_reload_perl;
2780	undef $RELOAD_WATCHER;	4162	undef $RELOAD_WATCHER;
2781	},	4163	};
2782	);	4164	};
2783	}	4165	}
2784		4166
2785	register_command "reload" => sub {	4167	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	4168	my ($who, $arg) = @_;
2787		4169
2788	if ($who->flag (FLAG_WIZ)) {	4170	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	4171	$who->message ("reloading server.");
		4172	async {
		4173	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	4174	reload_perl;
		4175	};
2791	}	4176	}
2792	};	4177	};
2793		4178
2794	unshift @INC, $LIBDIR;	4179	#############################################################################
2795		4180
2796	my $bug_warning = 0;	4181	my $bug_warning = 0;
2797		4182
2798	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;
2800
2801	sub wait_for_tick {	4183	sub wait_for_tick() {
2802	return unless $TICK_WATCHER->is_active;	4184	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2803	return if $Coro::current == $Coro::main;
2804		4185
2805	my $signal = new Coro::Signal;	4186	$WAIT_FOR_TICK->wait;
2806	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;
2808	}	4187	}
2809		4188
2810	sub wait_for_tick_begin {	4189	sub wait_for_tick_begin() {
2811	return unless $TICK_WATCHER->is_active;	4190	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2812	return if $Coro::current == $Coro::main;
2813		4191
2814	my $signal = new Coro::Signal;	4192	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4193	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4194	$signal->wait;
2817	}	4195	}
2818		4196
2819	$TICK_WATCHER = Event->timer (	4197	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4198	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4199	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	4200	unless ++$bug_warning > 10;
2829	return;	4201	return;
2830	}	4202	}
2831		4203
2832	$NOW = Event::time;	4204	cf::one_tick; # one server iteration
2833		4205
2834	cf::server_tick; # one server iteration	4206	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835		4207
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4208	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4209	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4210	Coro::async_pool {
		4211	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4212	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4213	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4214	};
		4215	}
2846		4216
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4217	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4218	$sig->send;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4219	}
2865	);	4220	$WAIT_FOR_TICK->broadcast;
		4221
		4222	$LOAD = ($NOW - $TICK_START) / $TICK;
		4223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4224
		4225	if (0) {
		4226	if ($NEXT_TICK) {
		4227	my $jitter = $TICK_START - $NEXT_TICK;
		4228	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4229	debug "jitter $JITTER\n";#d#
		4230	}
		4231	}
		4232	}
2866		4233
2867	{	4234	{
2868	BDB::max_poll_time $TICK * 0.1;	4235	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4236
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4237	BDB::min_parallel 16;
2878		4238	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4239	#$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4240
2894	unless ($DB_ENV) {	4241	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4242	$DB_ENV = BDB::db_env_create;
		4243	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4244	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4245	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4246	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4247	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4248
2897	cf::sync_job {	4249	cf::sync_job {
2898	eval {	4250	eval {
2899	BDB::db_env_open	4251	BDB::db_env_open
2900	$DB_ENV,	4252	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4256	0666;
2905		4257
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4259	};
2911		4260
2912	cf::cleanup "db_env_open(db): $@" if $@;	4261	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4262	};
2914	}	4263	}
		4264
		4265	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4266	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4267	};
		4268	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4269	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4270	};
		4271	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4272	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4273	};
2915	}	4274	}
2916		4275
2917	{	4276	{
		4277	# configure IO::AIO
		4278
2918	IO::AIO::min_parallel 8;	4279	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4280	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4281	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4282	}
2931		4283
2932	my $_log_backtrace;	4284	our $_log_backtrace;
		4285	our $_log_backtrace_last;
2933		4286
2934	sub _log_backtrace {	4287	sub _log_backtrace {
2935	my ($msg, @addr) = @_;	4288	my ($msg, @addr) = @_;
2936		4289
2937	$msg =~ s/\n//;	4290	$msg =~ s/\n$//;
2938		4291
		4292	if ($_log_backtrace_last eq $msg) {
		4293	LOG llevInfo, "[ABT] $msg\n";
		4294	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2939	# limit the # of concurrent backtraces	4295	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4296	} elsif ($_log_backtrace < 2) {
		4297	$_log_backtrace_last = $msg;
2941	++$_log_backtrace;	4298	++$_log_backtrace;
		4299	my $perl_bt = Carp::longmess $msg;
2942	async {	4300	async {
		4301	$Coro::current->{desc} = "abt $msg";
		4302
2943	my @bt = fork_call {	4303	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4304	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4305	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4306	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4307	or die "addr2line: $!";
…		…
2955	}	4315	}
2956		4316
2957	@funcs	4317	@funcs
2958	};	4318	};
2959		4319
2960	LOG llevInfo, "[ABT] $msg\n";	4320	LOG llevInfo, "[ABT] $perl_bt\n";
		4321	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4322	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4323	--$_log_backtrace;
2963	};	4324	};
2964	} else {	4325	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4326	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4327	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2967	}	4328	}
2968	}	4329	}
2969		4330
2970	# load additional modules	4331	# load additional modules
2971	use cf::pod;	4332	require "cf/$_.pm" for @EXTRA_MODULES;
		4333	cf::_connect_to_perl_2;
2972		4334
2973	END { cf::emergency_save }	4335	END { cf::emergency_save }
2974		4336
2975	1	4337	1
2976		4338

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