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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 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 Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
56	our $NOW;	138	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		139
59	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		143
76	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
79	binmode STDOUT;	160	binmode STDOUT;
80	binmode STDERR;	161	binmode STDERR;
81		162
82	# read virtual server time, if available	163	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
87	}	168	}
88		169
89	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	171
91	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		174
96	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
97		176
98	sub cf::map::normalise;	177	sub cf::map::normalise;
99		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
100	#############################################################################	183	#############################################################################
101		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
102	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
103		197
104	=over 4	198	=over 4
105		199
106	=item $cf::UPTIME	200	=item $cf::UPTIME
107		201
108	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
109		218
110	=item $cf::RUNTIME	219	=item $cf::RUNTIME
111		220
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	222	every server tick.
114		223
115	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		227
117	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
119		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
120	=item $cf::NOW	239	=item $cf::LOAD
121		240
122	The time of the last (current) server tick.	241	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		242
128	=item %cf::CFG	243	=item %cf::CFG
129		244
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	246	from wherever your confdir points to.
132		247
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		249
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
139		282
140	=back	283	=back
141		284
142	=cut	285	=cut
143		286
144	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	294	my $msg = join "", @_;
147	utf8::encode $msg;
148		295
149	$msg .= "\n"	296	$msg .= "\n"
150	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
151		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
152	LOG llevError, $msg;	301	LOG llevWarn, $msg;
153	};	302	};
154	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
155		317
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		325
163	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	327	# within the Safe compartment.
165	for my $pkg (qw(	328	for my $pkg (qw(
166	cf::global cf::attachable	329	cf::global cf::attachable
167	cf::object cf::object::player	330	cf::object cf::object::player
168	cf::client cf::player	331	cf::client cf::player
169	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
170	cf::map cf::party cf::region	334	cf::party cf::region
171	)) {	335	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	337	}
175		338
176	$Event::DIED = sub {	339	$EV::DIED = sub {
177	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
178	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
179		349
180	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
181		351
182	=over 4	352	=over 4
183		353
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	373	$d
204	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
205	}	375	}
206		376
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
208		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
209	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
210		430
211	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
212		432
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
221		434
222	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
223		436
224	=cut	437	=cut
225		438
226	sub to_json($) {	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	440
228	JSON::Syck::Dump $_[0]	441	sub encode_json($) { $json_coder->encode ($_[0]) }
		442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
229	}	504	}
230		505
231	=item cf::lock_wait $string	506	=item cf::lock_wait $string
232		507
233	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
234		509
235	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
236		511
237	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
240	returned.	515	returned.
241		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
242	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
244		522
245	=cut	523	=item $locked = cf::lock_active $string
246		524
247	our %LOCK;	525	Return true if the lock is currently active, i.e. somebody has locked it.
		526
		527	=cut
		528
		529	our $LOCKS = new Coro::SemaphoreSet;
248		530
249	sub lock_wait($) {	531	sub lock_wait($) {
250	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	533	}
258		534
259	sub lock_acquire($) {	535	sub lock_acquire($) {
260	my ($key) = @_;	536	$LOCKS->guard ($_[0])
		537	}
261		538
262	# wait, to be sure we are not locked	539	sub lock_active($) {
263	lock_wait $key;	540	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	541	}
272		542
273	sub freeze_mainloop {	543	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
275		545
276	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	547	}
		548
		549	=item cf::periodic $interval, $cb
		550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
278	};	616	}
279	$TICK_WATCHER->stop;	617	};
280	$guard	618
		619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
		622	my ($time, $pri, $name) = @_;
		623
		624	$time = clamp $time, 0.01, $TICK * .6;
		625
		626	my $sig = new Coro::Signal;
		627
		628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		630	$SLOT_QUEUE->ready;
		631	$sig->wait;
281	}	632	}
282		633
283	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
284		635
285	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		641
291	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
292		643
293	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
294		645
295	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
298		650
299	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
302	fast or be very important.	654	fast or be very important.
…		…
304	=cut	656	=cut
305		657
306	sub sync_job(&) {	658	sub sync_job(&) {
307	my ($job) = @_;	659	my ($job) = @_;
308		660
309	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
310	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
312		666
313	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	668
315	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
316		670
317	my $busy = 1;	671	my $busy = 1;
318	my @res;	672	my @res;
319		673
320	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	676	@res = eval { $job->() };
322	warn $@ if $@;	677	error $@ if $@;
323	undef $busy;	678	undef $busy;
324	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
325		680
326	while ($busy) {	681	while ($busy) {
327	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
328	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
329		692
330	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
331	} else {	694	} else {
332	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
333		696
…		…
353	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
354		717
355	$coro	718	$coro
356	}	719	}
357		720
358	sub write_runtime {	721	=item fork_call { }, @args
359	my $guard = cf::lock_acquire "write_runtime";
360		722
361	my $runtime = cf::localdir . "/runtime";	723	Executes the given code block with the given arguments in a seperate
		724	process, returning the results. Everything must be serialisable with
		725	Coro::Storable. May, of course, block. Note that the executed sub may
		726	never block itself or use any form of event handling.
362		727
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	=cut
364	or return;
365		729
366	my $value = $cf::RUNTIME + 90 + 10;	730	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	731	reset_signals;
368	# 60 allows for the watchdog to kill the server.	732	}
369		733
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	734	sub fork_call(&@) {
371	and return;	735	my ($cb, @args) = @_;
372		736
373	# always fsync - this file is important	737	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	738	# otherwise perl prematurely frees the stuff :/
375	and return;	739	# TODO: investigate and fix (likely this will be rather laborious)
376		740
377	close $fh	741	my @res = Coro::Util::fork_eval {
378	or return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
379		745
380	aio_rename "$runtime~", $runtime	746	wantarray ? @res : $res[-1]
381	and return;	747	}
382		748
		749	sub objinfo {
383	1	750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
		785	}
		786
		787	=item $value = cf::db_get $family => $key
		788
		789	Returns a single value from the environment database.
		790
		791	=item cf::db_put $family => $key => $value
		792
		793	Stores the given C<$value> in the family. It can currently store binary
		794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
		801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
		822
		823	our $DB;
		824
		825	sub db_init {
		826	$DB ||= db_table "db";
		827	}
		828
		829	sub db_get($$) {
		830	my $key = "$_[0]/$_[1]";
		831
		832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
		835	BDB::db_get $DB, undef, $key, my $data;
		836
		837	$! ? ()
		838	: $data
		839	}
		840
		841	sub db_put($$$) {
		842	BDB::dbreq_pri 4;
		843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		844	}
		845
		846	=item cf::cache $id => [$paths...], $processversion => $process
		847
		848	Generic caching function that returns the value of the resource $id,
		849	caching and regenerating as required.
		850
		851	This function can block.
		852
		853	=cut
		854
		855	sub cache {
		856	my ($id, $src, $processversion, $process) = @_;
		857
		858	my $meta =
		859	join "\x00",
		860	$processversion,
		861	map {
		862	aio_stat $_
		863	and Carp::croak "$_: $!";
		864
		865	($_, (stat _)[7,9])
		866	} @$src;
		867
		868	my $dbmeta = db_get cache => "$id/meta";
		869	if ($dbmeta ne $meta) {
		870	# changed, we may need to process
		871
		872	my @data;
		873	my $md5;
		874
		875	for (0 .. $#$src) {
		876	$data[$_] = load_file $src->[$_];
		877	}
		878
		879	# if processing is expensive, check
		880	# checksum first
		881	if (1) {
		882	$md5 =
		883	join "\x00",
		884	$processversion,
		885	map {
		886	cf::cede_to_tick;
		887	($src->[$_], Digest::MD5::md5_hex $data[$_])
		888	} 0.. $#$src;
		889
		890
		891	my $dbmd5 = db_get cache => "$id/md5";
		892	if ($dbmd5 eq $md5) {
		893	db_put cache => "$id/meta", $meta;
		894
		895	return db_get cache => "$id/data";
		896	}
		897	}
		898
		899	my $t1 = Time::HiRes::time;
		900	my $data = $process->(\@data);
		901	my $t2 = Time::HiRes::time;
		902
		903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		904
		905	db_put cache => "$id/data", $data;
		906	db_put cache => "$id/md5" , $md5;
		907	db_put cache => "$id/meta", $meta;
		908
		909	return $data;
		910	}
		911
		912	db_get cache => "$id/data"
		913	}
		914
		915	=item cf::datalog type => key => value, ...
		916
		917	Log a datalog packet of the given type with the given key-value pairs.
		918
		919	=cut
		920
		921	sub datalog($@) {
		922	my ($type, %kv) = @_;
		923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	924	}
385		925
386	=back	926	=back
387		927
388	=cut	928	=cut
389		929
390	#############################################################################	930	#############################################################################
391		931
392	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
393		933
394	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
397		937
398	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	940	Deliantra).
401		941
402	=over 4	942	=over 4
403		943
404	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
405		945
…		…
449	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
450		990
451	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
453		993
454	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
456		996
457	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
458		998
459	=over 4	999	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
569		1109
570	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1114
575	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
577		1117
578	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
583		1123
584	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1126
587	} elsif (ref $type) {	1127	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
589		1129
590	} else {	1130	} else {
591	shift @arg;	1131	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
593	}	1133	}
594	}	1134	}
595	}	1135	}
596		1136
597	sub _object_attach {	1137	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
608	}	1148	}
609		1149
610	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
611	} else {	1151	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1153	}
614		1154
615	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
616	}	1156	}
617		1157
…		…
619	if (ref $_[0]) {	1159	if (ref $_[0]) {
620	_object_attach @_;	1160	_object_attach @_;
621	} else {	1161	} else {
622	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
623	}	1163	}
		1164	_recalc_want;
624	};	1165	};
625		1166
626	# all those should be optimised	1167	# all those should be optimised
627	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1173	reattach ($obj);
633	} else {	1174	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
635	}	1176	}
		1177	_recalc_want;
636	};	1178	};
637		1179
638	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
640		1182
…		…
655	";	1197	";
656	die if $@;	1198	die if $@;
657	}	1199	}
658		1200
659	our $override;	1201	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1202	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1203
662	sub override {	1204	sub override {
663	$override = 1;	1205	$override = 1;
664	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
665	}	1207	}
666		1208
667	sub do_invoke {	1209	sub do_invoke {
668	my $event = shift;	1210	my $event = shift;
669	my $callbacks = shift;	1211	my $callbacks = shift;
670		1212
671	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
672		1214
673	local $override;	1215	local $override;
674		1216
675	for (@$callbacks) {	1217	for (@$callbacks) {
676	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
677		1219
678	if ($@) {	1220	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1222	override;
682	}	1223	}
683		1224
684	return 1 if $override;	1225	return 1 if $override;
685	}	1226	}
686		1227
687	0	1228	0
688	}	1229	}
689		1230
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1232
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1234
694	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
695		1236
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1237	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1238	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1240
700	=back	1241	=back
701		1242
702	=cut	1243	=cut
703		1244
704	#############################################################################	1245	#############################################################################
705	# object support	1246	# object support
		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
		1281	sub _can_merge {
		1282	my ($ob1, $ob2) = @_;
		1283
		1284	++$SLOW_MERGES;#d#
		1285
		1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
		1288	}
706		1289
707	sub reattach {	1290	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1292	my ($obj) = @_;
710		1293
		1294	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1296
713	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
714		1298
715	@$registry = ();	1299	@$registry = ();
716		1300
…		…
721	for (@$attach) {	1305	for (@$attach) {
722	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
724	}	1308	}
725	} else {	1309	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1311	}
728	}	1312	}
729	}	1313	}
730		1314
731	cf::attachable->attach (	1315	cf::attachable->attach (
732	prio => -1000000,	1316	prio => -1000000,
733	on_instantiate => sub {	1317	on_instantiate => sub {
734	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
735		1319
736	$data = from_json $data;	1320	$data = decode_json $data;
737		1321
738	for (@$data) {	1322	for (@$data) {
739	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
740		1324
741	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1341	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
759		1343
760	sync_job {	1344	sync_job {
761	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
764		1350
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
769	close $fh;	1358	aio_close $fh;
770		1359
771	if (@$objs) {	1360	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
777	close $fh;	1369	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
779	}	1371	}
780	} else {	1372	} else {
781	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
782	}	1374	}
783		1375
784	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1380	} else {
786	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
787	}	1382	}
788	} else {	1383	} else {
789	aio_unlink $filename;	1384	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
791	}	1386	}
792	}	1387	};
793	}	1388	}
794		1389
795	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
797		1392
…		…
809	or return;	1404	or return;
810		1405
811	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
813	or return;	1408	or return;
		1409
814	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
815	}	1412	}
816		1413
		1414	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
819	return ($data, $av);	1419	($data, $av)
820	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
821		1427
822	#############################################################################	1428	#############################################################################
823	# command handling &c	1429	# command handling &c
824		1430
825	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1445	}
840		1446
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1448
843	Register a callbackf ro execution when the client sends an extcmd packet.	1449	Register a callback for execution when the client sends an (synchronous)
		1450	extcmd packet. Ext commands will be processed in the order they are
		1451	received by the server, like other user commands. The first argument is
		1452	the logged-in player. Ext commands can only be processed after a player
		1453	has logged in successfully.
844		1454
845	If the callback returns something, it is sent back as if reply was being	1455	If the callback returns something, it is sent back as if reply was being
846	called.	1456	called.
847		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
848	=cut	1469	=cut
849		1470
850	sub register_extcmd {	1471	sub register_extcmd {
851	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
852		1473
853	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
854	}	1475	}
855		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
856	cf::player->attach (	1485	cf::player->attach (
857	on_command => sub {	1486	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
859		1488
860	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
861	or return;	1490	or return;
862		1491
…		…
867	cf::override;	1496	cf::override;
868	},	1497	},
869	on_extcmd => sub {	1498	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
871		1500
872	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1502
874	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
880	} else {	1515	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1517	}
883		1518
884	cf::override;	1519	cf::override;
885	},	1520	},
886	);	1521	);
887		1522
		1523	# "readahead" all extensions
888	sub load_extension {	1524	sub cache_extensions {
889	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
890		1526
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1530	}
916	die $@;
917	}	1531	};
918		1532
919	push @EXTS, $pkg;	1533	$grp
920	}	1534	}
921		1535
922	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
923	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1543	next unless -r $path;
925	eval {	1544
926	load_extension $ext;	1545	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1546	my $base = $1;
		1547	my $pkg = $1;
		1548	$pkg =~ s/[^[:word:]]/_/g;
		1549	$pkg = "ext::$pkg";
		1550
		1551	open my $fh, "<:utf8", $path
		1552	or die "$path: $!";
		1553
		1554	my $source = do { local $/; <$fh> };
		1555
		1556	my %ext = (
		1557	path => $path,
		1558	base => $base,
		1559	pkg => $pkg,
		1560	);
		1561
		1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1564
		1565	$ext{source} =
		1566	"package $pkg; use common::sense;\n"
		1567	. "#line 1 \"$path\"\n{\n"
		1568	. $source
		1569	. "\n};\n1";
		1570
		1571	$todo{$base} = \%ext;
		1572	}
		1573
		1574	my $pass = 0;
		1575	my %done;
		1576	while (%todo) {
		1577	my $progress;
		1578
		1579	++$pass;
		1580
		1581	ext:
		1582	while (my ($k, $v) = each %todo) {
		1583	for (split /,\s*/, $v->{meta}{depends}) {
		1584	next ext
		1585	unless exists $done{$_};
		1586	}
		1587
		1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1589
		1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
		1593	error "$v->{path}: $@\n";
		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1596	if exists $v->{meta}{mandatory};
		1597
		1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
		1607	}
927	1	1608	}
928	} or warn "$ext not loaded: $@";	1609
		1610	unless ($progress) {
		1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
		1620	}
929	}	1621	};
930	}	1622	}
931		1623
932	#############################################################################	1624	#############################################################################
933		1625
		1626	=back
		1627
934	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
935		1629
936	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
937		1631
938	=cut	1632	=cut
939		1633
940	package cf::player;	1634	package cf::player;
941		1635
…		…
943		1637
944	=head3 cf::player	1638	=head3 cf::player
945		1639
946	=over 4	1640	=over 4
947		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
		1655
948	=item cf::player::find $login	1656	=item cf::player::find $login
949		1657
950	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
951		1659
952	=cut	1660	=cut
953		1661
954	sub playerdir($) {	1662	sub playerdir($) {
955	cf::localdir	1663	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1664	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1665	}
961		1666
962	sub path($) {	1667	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1668	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1669
965	(playerdir $login) . "/$login.pl"	1670	(playerdir $login) . "/playerdata"
966	}	1671	}
967		1672
968	sub find_active($) {	1673	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1674	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1675	and $cf::PLAYER{$_[0]}->active
…		…
973		1678
974	sub exists($) {	1679	sub exists($) {
975	my ($login) = @_;	1680	my ($login) = @_;
976		1681
977	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
979	}	1684	}
980		1685
981	sub find($) {	1686	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1688	my $login = $_[0];
984		1689
985	my $guard = cf::lock_acquire "user_find:$login";	1690	my $guard = cf::lock_acquire "user_find:$login";
986		1691
987	$cf::PLAYER{$_[0]} || do {	1692	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1693	# rename old playerfiles to new ones
		1694	#TODO: remove when no longer required
		1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1698	aio_unlink +(playerdir $login) . "/$login.pl";
		1699
		1700	my $f = new_from_file cf::object::thawer path $login
989	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
991	}	1709	}
992	}	1710	}
993	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
994		1725
995	sub save($) {	1726	sub save($) {
996	my ($pl) = @_;	1727	my ($pl) = @_;
997		1728
998	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1004		1735
1005	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1007		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1743
1008	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1009	Coro::cede;	1745	cf::cede_to_tick;
1010	}	1746	}
1011		1747
1012	sub new($) {	1748	sub new($) {
1013	my ($login) = @_;	1749	my ($login) = @_;
1014		1750
…		…
1020	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1021		1757
1022	$self	1758	$self
1023	}	1759	}
1024		1760
		1761	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1762
		1763	=cut
		1764
		1765	sub send_msg {
		1766	my $ns = shift->ns
		1767	or return;
		1768	$ns->send_msg (@_);
		1769	}
		1770
1025	=item $pl->quit_character	1771	=item $pl->quit_character
1026		1772
1027	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1029		1775
…		…
1033	my ($pl) = @_;	1779	my ($pl) = @_;
1034		1780
1035	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1036		1782
1037	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1785
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1041	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1043	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1044		1794
1045	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1047	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1076	while and may block, so not sync_job-capable, ever.	1826	while and may block, so not sync_job-capable, ever.
1077		1827
1078	=cut	1828	=cut
1079		1829
1080	sub list_logins {	1830	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1831	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1832	or return [];
1083		1833
1084	my @logins;	1834	my @logins;
1085		1835
1086	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1090		1846
1091	utf8::decode $login;	1847	utf8::decode $login;
1092	push @logins, $login;	1848	push @logins, $login;
1093	}	1849	}
1094		1850
1095	\@logins	1851	\@logins
1096	}	1852	}
1097		1853
1098	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1099		1857
1100	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1101	player. May block.	1859	player. May block.
1102		1860
1103	=cut	1861	=cut
…		…
1121	}	1879	}
1122		1880
1123	\@paths	1881	\@paths
1124	}	1882	}
1125		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1127		1889
1128	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1129		1891
1130	=cut	1892	=cut
1131		1893
1132	sub ext_reply($$$%) {	1894	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1134		1896
1135	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1898	}
1139		1899
1140	package cf;	1900	=item $player->ext_msg ($type, @msg)
		1901
		1902	Sends an ext event to the client.
		1903
		1904	=cut
		1905
		1906	sub ext_msg($$@) {
		1907	my ($self, $type, @msg) = @_;
		1908
		1909	$self->ns->ext_msg ($type, @msg);
		1910	}
		1911
		1912	=head3 cf::region
		1913
		1914	=over 4
		1915
		1916	=cut
		1917
		1918	package cf::region;
		1919
		1920	=item cf::region::find_by_path $path
		1921
		1922	Tries to decuce the likely region for a map knowing only its path.
		1923
		1924	=cut
		1925
		1926	sub find_by_path($) {
		1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
		1931	my ($match, $specificity);
		1932
		1933	for my $region (list) {
		1934	if ($region->{match} && $path =~ $region->{match}) {
		1935	($match, $specificity) = ($region, $region->specificity)
		1936	if $region->specificity > $specificity;
		1937	}
		1938	}
		1939
		1940	$match
		1941	}
1141		1942
1142	=back	1943	=back
1143
1144		1944
1145	=head3 cf::map	1945	=head3 cf::map
1146		1946
1147	=over 4	1947	=over 4
1148		1948
…		…
1160	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1162		1962
1163	sub generate_random_map {	1963	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1165	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1166	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1170	$rmp->{exit_on_final_map},
1171	$rmp->{xsize}, $rmp->{ysize},
1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1177	(cf::region::find $rmp->{region}), $rmp->{custom}
1178	)
1179	}	1969	}
1180		1970
1181	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1182		1972
1183	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1188		1978
1189	sub register {	1979	sub register {
1190	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	1981	my $pkg = caller;
1192		1982
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		1984
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	1986	}
1198		1987
1199	# also paths starting with '/'	1988	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		1990
1202	sub thawer_merge {	1991	sub thawer_merge {
1203	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1204		1993
1205	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1206	local $self->{path};	1995	local $self->{path};
1207	local $self->{load_path};	1996	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1997
1211	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1212	}	1999	}
1213		2000
1214	sub normalise {	2001	sub normalise {
1215	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1216		2003
1217	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1218		2005
1219	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1220		2007
1221	# map plan:	2008	# map plan:
1222	#	2009	#
…		…
1237	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1238	$path = "$base/$path";	2025	$path = "$base/$path";
1239	}	2026	}
1240		2027
1241	for ($path) {	2028	for ($path) {
1242	redo if s{//}{/};
1243	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1244	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1245	}	2031	}
1246		2032
1247	$path	2033	$path
…		…
1261	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1262	return $self;	2048	return $self;
1263	}	2049	}
1264	}	2050	}
1265		2051
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1267	()	2053	()
1268	}	2054	}
1269		2055
		2056	# may re-bless or do other evil things
1270	sub init {	2057	sub init {
1271	my ($self) = @_;	2058	my ($self) = @_;
1272		2059
1273	$self	2060	$self
1274	}	2061	}
…		…
1286		2073
1287	# the original (read-only) location	2074	# the original (read-only) location
1288	sub load_path {	2075	sub load_path {
1289	my ($self) = @_;	2076	my ($self) = @_;
1290		2077
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2078	"$MAPDIR/$self->{path}.map"
1292	}	2079	}
1293		2080
1294	# the temporary/swap location	2081	# the temporary/swap location
1295	sub save_path {	2082	sub save_path {
1296	my ($self) = @_;	2083	my ($self) = @_;
1297		2084
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2086	"$TMPDIR/$path.map"
1300	}	2087	}
1301		2088
1302	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1303	sub uniq_path {	2090	sub uniq_path {
1304	my ($self) = @_;	2091	my ($self) = @_;
1305		2092
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2094	"$UNIQUEDIR/$path"
1308	}	2095	}
1309		2096
1310	# and all this just because we cannot iterate over	2097	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	2098	my ($self) = @_;
1314		2099
1315	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1317	}	2103	}
1318		2104
1319	sub unlink_save {	2105	sub unlink_save {
1320	my ($self) = @_;	2106	my ($self) = @_;
1321		2107
…		…
1326		2112
1327	sub load_header_from($) {	2113	sub load_header_from($) {
1328	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1329		2115
1330	utf8::encode $path;	2116	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	2118	or return;
1336		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1337	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1338		2127
1339	1	2128	1
1340	}	2129	}
1341		2130
		2131	# used to laod the header of an original map
1342	sub load_header_orig {	2132	sub load_header_orig {
1343	my ($self) = @_;	2133	my ($self) = @_;
1344		2134
1345	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1346	}	2136	}
1347		2137
		2138	# used to laod the header of an instantiated map
1348	sub load_header_temp {	2139	sub load_header_temp {
1349	my ($self) = @_;	2140	my ($self) = @_;
1350		2141
1351	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1352	}	2143	}
1353		2144
		2145	# called after loading the header from an instantiated map
1354	sub prepare_temp {	2146	sub prepare_temp {
1355	my ($self) = @_;	2147	my ($self) = @_;
1356		2148
1357	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1358	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1359	# safety	2151	# safety
1360	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1361	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1362	}	2154	}
1363		2155
		2156	# called after loading the header from an original map
1364	sub prepare_orig {	2157	sub prepare_orig {
1365	my ($self) = @_;	2158	my ($self) = @_;
1366		2159
1367	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1368	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1379	$self->load_header_orig	2172	$self->load_header_orig
1380	or return;	2173	or return;
1381	$self->prepare_orig;	2174	$self->prepare_orig;
1382	}	2175	}
1383		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
		2180	$self->default_region (cf::region::find_by_path $self->{path})
		2181	unless $self->default_region;
		2182
1384	1	2183	1
1385	}	2184	}
1386		2185
1387	sub find;	2186	sub find;
1388	sub find {	2187	sub find {
1389	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1390		2189
		2190	cf::cede_to_tick;
		2191
1391	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1392		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2196
1395	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1398	or return;	2199	or return;
1399		2200
1400	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1401		2202
1402	$map->load_header	2203	$map->load_header
1403	or return;	2204	or return;
1404		2205
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1408	$map->reset;	2211	$map->reset;
1409	undef $guard;
1410	return find $path;	2212	return find $path;
1411	}	2213	}
1412		2214
1413	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1414	}	2216	}
1415	}	2217	}
1416		2218
1417	sub pre_load { }	2219	sub pre_load { }
1418	sub post_load { }	2220	#sub post_load { } # XS
1419		2221
1420	sub load {	2222	sub load {
1421	my ($self) = @_;	2223	my ($self) = @_;
1422		2224
1423	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1424		2226
1425	my $path = $self->{path};	2227	my $path = $self->{path};
		2228
		2229	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1427		2231
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2232	return unless $self->valid;
		2233	return unless $self->state == cf::MAP_SWAPPED;
1429		2234
1430	$self->in_memory (cf::MAP_LOADING);
1431
1432	$self->alloc;	2235	$self->alloc;
1433		2236
1434	$self->pre_load;	2237	$self->pre_load;
		2238	cf::cede_to_tick;
1435		2239
1436	$self->_load_objects ($self->{load_path}, 1)	2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1437	or return;	2244	or return;
1438		2245
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1440	if delete $self->{load_original};	2247	if delete $self->{load_original};
1441		2248
1442	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2250	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2253	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1447	}	2258	}
1448	}
1449		2259
1450	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
1451		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1452	# now do the right thing for maps	2269	# now do the right thing for maps
1453	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2272	unless $self->difficulty;
1463	Coro::cede;	2273	cf::cede_to_tick;
1464	$self->activate;	2274
		2275	unless ($self->{deny_activate}) {
		2276	$self->decay_objects;
		2277	$self->fix_auto_apply;
		2278	$self->update_buttons;
		2279	cf::cede_to_tick;
		2280	#$self->activate; # no longer activate maps automatically
		2281	}
		2282
		2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1465	}	2285	}
1466		2286
1467	$self->post_load;	2287	$self->post_load;
1468		2288
1469	$self->in_memory (cf::MAP_IN_MEMORY);	2289	1
1470	}	2290	}
1471		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2295	sub customise_for {
1473	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1474		2297
1475	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2299	if $self->per_player;
1477		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1478	$self	2304	$self
1479	}
1480
1481	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {
1483	my ($map) = @_;
1484
1485	my @diag; # diagonal neighbours
1486
1487	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)
1489	or next;
1490	$neigh = find $neigh, $map
1491	or next;
1492	$neigh->load;
1493
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}
1497
1498	for (@diag) {
1499	my $neigh = find @$_
1500	or next;
1501	$neigh->load;
1502	}
1503	}	2305	}
1504		2306
1505	sub find_sync {	2307	sub find_sync {
1506	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1507		2309
1508	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1509	}	2315	}
1510		2316
1511	sub do_load_sync {	2317	sub do_load_sync {
1512	my ($map) = @_;	2318	my ($map) = @_;
1513		2319
1514	cf::sync_job { $map->load };	2320	# it's a bug to call this from the main context
		2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2322	if $Coro::current == $Coro::main;
		2323
		2324	$map->load;
1515	}	2325	}
1516		2326
1517	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1519		2329
1520	sub find_async {	2330	sub find_async {
1521	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1522		2332
1523	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1524		2334
1525	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1527	}	2337	}
1528		2338
1529	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1530	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1531	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2346	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2347	$map->load if $v;
		2348	}
1536		2349
1537	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1538	}	2351	}
1539	}	2352	}
1540	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1541	};	2354	};
1542	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1543		2356
1544	()	2357	()
1545	}	2358	}
1546		2359
		2360	# common code, used by both ->save and ->swapout
1547	sub save {	2361	sub _save {
1548	my ($self) = @_;	2362	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2363
1552	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1553		2365
1554	return unless $self->dirty;	2366	return unless $self->dirty;
1555		2367
…		…
1561	return if $self->{deny_save};	2373	return if $self->{deny_save};
1562		2374
1563	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1564		2376
1565	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1567	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1568		2383
1569	if ($uniq) {	2384	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2387	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2389	}
1575	}	2390	}
1576		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1577	sub swap_out {	2400	sub swap_out {
1578	my ($self) = @_;	2401	my ($self) = @_;
1579		2402
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1585	return if $self->players;	2407	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
1589	$self->clear;	2418	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2419	}
1592		2420
1593	sub reset_at {	2421	sub reset_at {
1594	my ($self) = @_;	2422	my ($self) = @_;
1595		2423
1596	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1599		2426
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2429
…		…
1613	my ($self) = @_;	2440	my ($self) = @_;
1614		2441
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2443
1617	return if $self->players;	2444	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2445
1620	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
1621		2447
1622	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1623		2449
1624	# need to save uniques path	2450	# need to save uniques path
1625	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1626	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1627		2453
…		…
1629	if $uniq;	2455	if $uniq;
1630	}	2456	}
1631		2457
1632	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1633		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2462	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2463
1638	$self->unlink_save;	2464	$self->unlink_save;
1639	$self->destroy;	2465	$self->destroy;
1640	}	2466	}
1641		2467
1642	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1643		2469
1644	sub nuke {	2470	sub nuke {
1645	my ($self) = @_;	2471	my ($self) = @_;
1646		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1647	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1648		2477
1649	$self->unlink_save;	2478	$self->unlink_save;
1650		2479
1651	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2485
1657	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1658		2488
1659	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
		2490	}
		2491
		2492	=item $maps = cf::map::tmp_maps
		2493
		2494	Returns an arrayref with all map paths of currently instantiated and saved
		2495	maps. May block.
		2496
		2497	=cut
		2498
		2499	sub tmp_maps() {
		2500	[
		2501	map {
		2502	utf8::decode $_;
		2503	/\.map$/
		2504	? normalise $_
		2505	: ()
		2506	} @{ aio_readdir $TMPDIR or [] }
		2507	]
		2508	}
		2509
		2510	=item $maps = cf::map::random_maps
		2511
		2512	Returns an arrayref with all map paths of currently instantiated and saved
		2513	random maps. May block.
		2514
		2515	=cut
		2516
		2517	sub random_maps() {
		2518	[
		2519	map {
		2520	utf8::decode $_;
		2521	/\.map$/
		2522	? normalise "?random/$_"
		2523	: ()
		2524	} @{ aio_readdir $RANDOMDIR or [] }
		2525	]
1660	}	2526	}
1661		2527
1662	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1663		2529
1664	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2531	instantiated unique items. May block.
1666		2532
1667	=cut	2533	=cut
1668		2534
1669	sub unique_maps() {	2535	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2536	[
1671	or return;	2537	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2538	utf8::decode $_;
1677	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2541	? ()
1680	push @paths, cf::map::normalise $_;	2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2544	]
1682
1683	\@paths
1684	}	2545	}
1685		2546
1686	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
1687		2578
1688	=back	2579	=back
1689		2580
1690	=head3 cf::object	2581	=head3 cf::object
1691		2582
…		…
1695		2586
1696	=over 4	2587	=over 4
1697		2588
1698	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1699		2590
1700	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
1701		2593
1702	=cut	2594	=cut
1703		2595
1704	sub inv_recursive_;	2596	sub inv_recursive_;
1705	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1708		2600
1709	sub inv_recursive {	2601	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1711	}	2603	}
1712		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
1713	package cf;	2633	package cf;
1714		2634
1715	=back	2635	=back
1716		2636
1717	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1726		2646
1727	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
1728		2662
1729	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2664	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1734		2668
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2670
1737	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1739	} else {	2674	} else {
		2675	my $pl = $self->contr;
		2676
		2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2678	my $dialog = $pl->{npc_dialog};
		2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2680
		2681	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1742	}	2685	}
		2686	}
		2687
		2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2689
		2690	=cut
		2691
		2692	sub cf::object::send_msg {
		2693	my $pl = shift->contr
		2694	or return;
		2695	$pl->send_msg (@_);
1743	}	2696	}
1744		2697
1745	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1746		2699
1747	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1760		2713
1761	=item $player_object->enter_link	2714	=item $player_object->enter_link
1762		2715
1763	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
1764		2717
1765	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
1766	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
1767		2722
1768	Will never block.	2723	Will never block.
1769		2724
1770	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1771		2726
…		…
1791	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2747	my ($self) = @_;
1793		2748
1794	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1795		2750
		2751	++$self->{_link_recursion};
		2752
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2754
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1800		2757
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2759	}
1803		2760
1804	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1806		2765
1807	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1808		2767
1809	unless ($map) {	2768	unless ($map) {
1810	# restore original map position	2769	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1823		2782
1824	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1827		2786
1828	$map->load;	2787	$map->load;
1829	$map->load_diag;
1830		2788
1831	return unless $self->contr->active;	2789	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2790
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
1836	}	2793	# entering was successful
1837		2794	delete $self->{_link_recursion};
1838	cf::player->attach (	2795	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2796	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2797	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2798
1852	# try to abort aborted map switching on player login :)	2799	}
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2800
1870	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		2802
		2803	Moves the player to the given map-path and coordinates by first freezing
		2804	her, loading and preparing them map, calling the provided $check callback
		2805	that has to return the map if sucecssful, and then unfreezes the player on
		2806	the new (success) or old (failed) map position. In either case, $done will
		2807	be called at the end of this process.
		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
1872	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1873		2815
1874	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
		2824
		2825	# do generation counting so two concurrent goto's will be executed in-order
		2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2827
1877	$self->enter_link;	2828	$self->enter_link;
1878		2829
1879	(async {	2830	(async {
		2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
1880	my $map = eval {	2852	my $map = eval {
1881	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2856	$map = $map->customise_for ($self);
		2857	$map = $check->($map, $x, $y, $self) if $check && $map;
		2858	} else {
		2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	}
		2861
1883	$map	2862	$map
		2863	};
		2864
		2865	if ($@) {
		2866	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2867	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2868	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1888	})->prio (1);	2876	})->prio (1);
1889	}	2877	}
1890		2878
1891	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1892		2880
…		…
1912	}	2900	}
1913		2901
1914	sub prepare_random_map {	2902	sub prepare_random_map {
1915	my ($exit) = @_;	2903	my ($exit) = @_;
1916		2904
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2907	# that depends on the exit object
1922		2908
1923	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2911	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
1930	}	2918	}
1931		2919
1932	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
1933		2921
1934	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
1937		2925
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2928	undef $fh;
1941	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
1942		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
1945	}	2937	}
1946	}	2938	}
1947		2939
1948	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
1950		2942
1951	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
1952		2944
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2945	$self->enter_link;
1963		2946
1964	(async {	2947	(async {
1965	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
1966	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
1967	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
1968		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
1969	1;	2986	1
1970	}) {	2987	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2992
1976	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	2994	$self->leave_link;
1978	}	2995	}
1979	})->prio (1);	2996	})->prio (1);
1980	}	2997	}
1981		2998
…		…
1992		3009
1993	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
1995		3012
1996	utf8::encode $text;	3013	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	3015	}
1999		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
		3040	}
		3041
		3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3043
		3044	Send a drawinfo or msg packet to the client, formatting the msg for the
		3045	client if neccessary. C<$type> should be a string identifying the type of
		3046	the message, with C<log> being the default. If C<$color> is negative, suppress
		3047	the message unless the client supports the msg packet.
		3048
		3049	=cut
		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
		3165	sub cf::client::send_msg {
		3166	my ($self, $channel, $msg, $color, @extra) = @_;
		3167
		3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
		3170
		3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
		3180	} elsif (ref $channel) {
		3181	# send meta info to client, if not yet sent
		3182	unless (exists $self->{channel}{$channel->{id}}) {
		3183	$self->{channel}{$channel->{id}} = $channel;
		3184	$self->ext_msg (channel_info => $channel);
		3185	}
		3186
		3187	$channel = $channel->{id};
		3188	}
		3189
		3190	return unless @extra || length $msg;
		3191
		3192	# default colour, mask it out
		3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3194	if $color & cf::NDI_DEF;
		3195
		3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
		3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3199	);
		3200
		3201	$self->send_big_packet ($pkt);
		3202	}
		3203
		3204	=item $client->ext_msg ($type, @msg)
		3205
		3206	Sends an ext event to the client.
		3207
		3208	=cut
		3209
		3210	sub cf::client::ext_msg($$@) {
		3211	my ($self, $type, @msg) = @_;
		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
		3216	push @msg, msgtype => "event_$type";
		3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3218	}
		3219	}
		3220
		3221	=item $client->ext_reply ($msgid, @msg)
		3222
		3223	Sends an ext reply to the client.
		3224
		3225	=cut
		3226
		3227	sub cf::client::ext_reply($$@) {
		3228	my ($self, $id, @msg) = @_;
		3229
		3230	return unless $self->extcmd == 2;
		3231
		3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3233	}
2000		3234
2001	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2002		3236
2003	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		3240
2007	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	3242	become reliable at some point in the future.
2009		3243
2010	=cut	3244	=cut
2011		3245
2012	sub cf::client::query {	3246	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3255	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3257
2024	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2026	}	3262	}
2027		3263
2028	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2029	on_reply => sub {	3270	on_reply => sub {
2030	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2031		3272
2032	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2033	# get handled first	3274	# get handled first
…		…
2045	} else {	3286	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3288	}
2048	}	3289	}
2049	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2050	);	3314	);
2051		3315
2052	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2053		3317
2054	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3334
2071	$coro	3335	$coro
2072	}	3336	}
2073		3337
2074	cf::client->attach (	3338	cf::client->attach (
2075	on_destroy => sub {	3339	on_client_destroy => sub {
2076	my ($ns) = @_;	3340	my ($ns) = @_;
2077		3341
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3343	},
2080	);	3344	);
…		…
2095	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2097		3361
2098	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2099		3363
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2101		3369
2102	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2103		3371
2104	=pod	3372	=pod
2105		3373
2106	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2107		3375
2108	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2109	cf::object::player player	3381	cf::object::player
2110	cf::player peaceful	3382	player
2111	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2112		3389
2113	=cut	3390	=cut
2114		3391
2115	for (	3392	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2117	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2120	) {	3399	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3402	for @funs;
2125	}	3403	}
2126		3404
…		…
2141		3419
2142	my $qcode = $code;	3420	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2145		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2146	local $_;	3427	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3428
2149	my $eval =	3429	my $eval =
2150	"do {\n"	3430	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3433	. $code
2154	. "\n}"	3434	. "\n}"
2155	;	3435	;
2156		3436
		3437	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2160		3446
2161	if ($@) {	3447	if ($@) {
2162	warn "$@";	3448	warn "$@",
2163	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2165	}	3451	}
2166		3452
2167	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2168	}	3454	}
2169		3455
…		…
2183	=cut	3469	=cut
2184		3470
2185	sub register_script_function {	3471	sub register_script_function {
2186	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2187		3473
2188	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2190	}	3476	}
2191		3477
2192	=back	3478	=back
2193		3479
2194	=cut	3480	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3481
2268	#############################################################################	3482	#############################################################################
2269	# the server's init and main functions	3483	# the server's init and main functions
2270		3484
2271	sub init_resources {	3485	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3486	my ($path) = @_;
		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
		3494	trace "loading facedata from $path\n";
		3495
		3496	my $facedata = decode_storable load_file $path;
		3497
		3498	$facedata->{version} == 2
		3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
		3510	{
		3511	my $faces = $facedata->{faceinfo};
		3512
		3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
		3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
		3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524
		3525	while (my ($face, $info) = each %$faces) {
		3526	next unless $info->{smooth};
		3527
		3528	my $idx = cf::face::find $face
		3529	or next;
		3530
		3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3564	} else {
		3565	# $RESOURCE{$name} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
		3574	1
		3575	}
		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($ns, $want) = @_;
		3579
		3580	while (my ($k, $v) = each %$want) {
		3581	$ns->fx_want ($k, $v);
		3582	}
		3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
		3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
		3600	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3601	or die "unable to load regions file\n";
2274	}
2275		3602
2276	sub cfg_load {	3603	for (cf::region::list) {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3604	$_->{match} = qr/$_->{match}/
2278	or return;	3605	if exists $_->{match};
		3606	}
		3607	}
2279		3608
2280	local $/;	3609	sub reload_facedata {
2281	*CFG = YAML::Syck::Load <$fh>;	3610	load_facedata "$DATADIR/facedata"
		3611	or die "unable to load facedata\n";
		3612	}
2282		3613
		3614	sub reload_archetypes {
		3615	load_resource_file "$DATADIR/archetypes"
		3616	or die "unable to load archetypes\n";
		3617	}
		3618
		3619	sub reload_treasures {
		3620	load_resource_file "$DATADIR/treasures"
		3621	or die "unable to load treasurelists\n";
		3622	}
		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
		3644	sub reload_resources {
		3645	trace "reloading resource files...\n";
		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
		3652	reload_regions;
		3653	reload_treasures;
		3654
		3655	trace "finished reloading resource files\n";
		3656	}
		3657
		3658	sub reload_config {
		3659	trace "reloading config file...\n";
		3660
		3661	my $config = load_file "$CONFDIR/config";
		3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
		3664
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3666
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3669
2288	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2292	};	3674	};
2293	warn $@ if $@;	3675	warn $@ if $@;
2294	}	3676	}
2295	}	3677	}
2296		3678
2297	sub init {	3679	sub pidfile() {
2298	init_resources;	3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
2299	}	3705	}
2300		3706
2301	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
2302	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3720	(async {
2306	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2308	};	3724	};
2309		3725
2310	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
2311	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
2312	load_extensions;	3749	load_extensions;
2313		3750
2314	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2315	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2316	}	3768	}
2317		3769
2318	#############################################################################	3770	#############################################################################
2319	# initialisation and cleanup	3771	# initialisation and cleanup
2320		3772
2321	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2322	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2331	},
2332	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2333	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2334	}	3869	}
2335		3870
2336	sub emergency_save() {	3871	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2338		3873
2339	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2340		3880
2341	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2342	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3892	$pl->save;
2350	}	3893	}
2351	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2352		3895
2353	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3901	$map->valid or next;
2357	$map->save;	3902	$map->save;
2358	}	3903	}
2359	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2360		3905
2361	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2364	};	3934	};
2365		3935
2366	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2367	}	3937	}
2368		3938
2369	sub post_cleanup {	3939	sub post_cleanup {
2370	my ($make_core) = @_;	3940	my ($make_core) = @_;
2371		3941
		3942	IO::AIO::flush;
		3943
2372	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3945	if $make_core;
2374	}
2375		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2376	sub reload() {	3976	sub do_reload_perl() {
2377	# can/must only be called in main	3977	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2379	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2380	return;	3980	return;
2381	}	3981	}
2382		3982
2383	warn "reloading...";	3983	return if $RELOAD++;
2384		3984
2385	warn "entering sync_job";	3985	my $t1 = AE::time;
2386		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2387	cf::sync_job {	3993	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	3994	#cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		3995
2392	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;
2394
2395	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";
2409	}
2410
2411	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3998	%EXT_CORO = ();
2414		3999
2415	warn "removing commands";	4000	trace "perl_reload: removing commands";
2416	%COMMAND = ();	4001	%COMMAND = ();
2417		4002
2418	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2419	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2420		4006
2421	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2424		4010
2425	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2426	eval {	4012	eval {
2427	$cb->($pkg);	4013	$cb->($pkg);
2428	1	4014	1
2429	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2430	}	4020	}
2431		4021
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		4025
2440	warn "... unloading $k";	4026	trace "... unloading $k";
2441	delete $INC{$k};	4027	delete $INC{$k};
2442		4028
2443	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2445		4031
2446	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2448	}	4037	}
2449		4038
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		4042
2457	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		4046
2460	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2461	# and global variables created in xs	4048	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2463		4050
2464	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2465		4052
2466	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2467	require cf;	4054	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2469		4056
2470	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2471	cf::cfg_load;	4058	cf::reload_config;
2472		4059
2473	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2474	cf::load_extensions;	4061	cf::load_extensions;
2475		4062
		4063	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2477	_global_reattach;	4065	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2479	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
2480		4071
2481	warn "loading reloadable resources";	4072	cf::_post_init 1;
2482	init_resources;
2483		4073
2484	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2485		4075
2486	1	4076	1
2487	} or do {	4077	} or do {
2488	warn $@;	4078	error $@;
2489	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2490	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2491	};	4102	};
2492		4103	}
2493	warn "reloaded";
2494	};
2495
2496	our $RELOAD_WATCHER; # used only during reload
2497		4104
2498	register_command "reload" => sub {	4105	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2500		4107
2501	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2503		4110	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	4112	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	4113	};
2516	}	4114	}
2517	};	4115	};
2518		4116
2519	unshift @INC, $LIBDIR;	4117	#############################################################################
2520		4118
2521	my $bug_warning = 0;	4119	my $bug_warning = 0;
2522		4120
2523	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2524	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2525	parked => 1,	4123
2526	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2527	at => $NEXT_TICK || $TICK,	4125	}
2528	data => WF_AUTOCANCEL,	4126
2529	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2530	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2533	return;	4139	return;
2534	}	4140	}
2535		4141
2536	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2537		4143
2538	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2539	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;
2541		4145
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	4150	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2547	};
2548	}	4152	};
		4153	}
2549		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2550	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552		4159
2553	# my $AFTER = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2554	# warn $AFTER - $NOW;#d#	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2555		4162
2556	# if we are delayed by four ticks or more, skip them all	4163	if (0) {
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4164	if ($NEXT_TICK) {
2558		4165	my $jitter = $TICK_START - $NEXT_TICK;
2559	$TICK_WATCHER->at ($NEXT_TICK);	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2560	$TICK_WATCHER->start;	4167	debug "jitter $JITTER\n";#d#
		4168	}
2561	},	4169	}
2562	);	4170	}
2563		4171
2564	{	4172	{
2565	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	4174
2567	reentrant => 0,
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2575		4176	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		4178
2591	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		4186
2594	cf::sync_job {	4187	cf::sync_job {
2595	eval {	4188	eval {
2596	BDB::db_env_open	4189	BDB::db_env_open
2597	$DB_ENV,	4190	$DB_ENV,
2598	$BDB_ENV_DIR,	4191	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	4194	0666;
2602		4195
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	4197	};
2608		4198
2609	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	4200	};
2611	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2612	}	4212	}
2613		4213
2614	{	4214	{
		4215	# configure IO::AIO
		4216
2615	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2628		4272
2629	END { cf::emergency_save }	4273	END { cf::emergency_save }
2630		4274
2631	1	4275	1
2632		4276

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