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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 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 = 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
209	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
210		392
211	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
212		394
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	395	=item $json = cf::encode_json $ref
221		396
222	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
223		398
224	=cut	399	=cut
225		400
226	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
228	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
229	}	466	}
230		467
231	=item cf::lock_wait $string	468	=item cf::lock_wait $string
232		469
233	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
234		471
235	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
236		473
237	Wait until the given lock is available and then acquires it and returns	474	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,	475	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	476	for example when the coroutine gets canceled), the lock is automatically
240	returned.	477	returned.
241		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
242	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
244		484
245	=cut	485	=item $locked = cf::lock_active $string
246		486
247	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
248		492
249	sub lock_wait($) {	493	sub lock_wait($) {
250	my ($key) = @_;	494	$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	}	495	}
258		496
259	sub lock_acquire($) {	497	sub lock_acquire($) {
260	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
261		500
262	# wait, to be sure we are not locked	501	sub lock_active($) {
263	lock_wait $key;	502	$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	}	503	}
272		504
273	sub freeze_mainloop {	505	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
275		507
276	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
278	};	578	}
279	$TICK_WATCHER->stop;	579	};
280	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
281	}	594	}
282		595
283	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
284		597
285	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		603
291	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
292		605
293	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
294		607
295	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	609	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.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
298		612
299	If it must be done, put the blocking parts into C<sync_job>. This will run	613	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	614	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	615	server will be frozen during this time, so the block should either finish
302	fast or be very important.	616	fast or be very important.
…		…
304	=cut	618	=cut
305		619
306	sub sync_job(&) {	620	sub sync_job(&) {
307	my ($job) = @_;	621	my ($job) = @_;
308		622
309	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
310	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
312		628
313	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	630
315	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
316		632
317	my $busy = 1;	633	my $busy = 1;
318	my @res;	634	my @res;
319		635
320	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	638	@res = eval { $job->() };
322	warn $@ if $@;	639	error $@ if $@;
323	undef $busy;	640	undef $busy;
324	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
325		642
326	while ($busy) {	643	while ($busy) {
327	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
328	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
329		654
330	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
331	} else {	656	} else {
332	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
333		658
…		…
353	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
354		679
355	$coro	680	$coro
356	}	681	}
357		682
358	sub write_runtime {	683	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		684
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
362	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
363		689
364	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		691
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
369	and return;	693	reset_signals;
		694	}
370		695
371	# always fsync - this file is important	696	sub fork_call(&@) {
372	aio_fsync $fh	697	my ($cb, @args) = @_;
373	and return;
374		698
375	close $fh	699	# we seemingly have to make a local copy of the whole thing,
376	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
377		702
378	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
379	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
380		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
381	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	886	}
383		887
384	=back	888	=back
385		889
386	=cut	890	=cut
387		891
388	#############################################################################	892	#############################################################################
389		893
390	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
391		895
392	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
395		899
396	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	902	Deliantra).
399		903
400	=over 4	904	=over 4
401		905
402	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
403		907
…		…
447	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
448		952
449	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
451		955
452	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
454		958
455	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
456		960
457	=over 4	961	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
567		1071
568	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1076
573	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
575		1079
576	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
581		1085
582	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1088
585	} elsif (ref $type) {	1089	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
587		1091
588	} else {	1092	} else {
589	shift @arg;	1093	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
591	}	1095	}
592	}	1096	}
593	}	1097	}
594		1098
595	sub _object_attach {	1099	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
606	}	1110	}
607		1111
608	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
609	} else {	1113	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1115	}
612		1116
613	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
614	}	1118	}
615		1119
…		…
617	if (ref $_[0]) {	1121	if (ref $_[0]) {
618	_object_attach @_;	1122	_object_attach @_;
619	} else {	1123	} else {
620	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
621	}	1125	}
		1126	_recalc_want;
622	};	1127	};
623		1128
624	# all those should be optimised	1129	# all those should be optimised
625	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1135	reattach ($obj);
631	} else {	1136	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
633	}	1138	}
		1139	_recalc_want;
634	};	1140	};
635		1141
636	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
638		1144
…		…
653	";	1159	";
654	die if $@;	1160	die if $@;
655	}	1161	}
656		1162
657	our $override;	1163	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1165
660	sub override {	1166	sub override {
661	$override = 1;	1167	$override = 1;
662	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
663	}	1169	}
664		1170
665	sub do_invoke {	1171	sub do_invoke {
666	my $event = shift;	1172	my $event = shift;
667	my $callbacks = shift;	1173	my $callbacks = shift;
668		1174
669	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
670		1176
671	local $override;	1177	local $override;
672		1178
673	for (@$callbacks) {	1179	for (@$callbacks) {
674	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
675		1181
676	if ($@) {	1182	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1184	override;
680	}	1185	}
681		1186
682	return 1 if $override;	1187	return 1 if $override;
683	}	1188	}
684		1189
685	0	1190	0
686	}	1191	}
687		1192
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1194
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1196
692	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
693		1198
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1202
698	=back	1203	=back
699		1204
700	=cut	1205	=cut
701		1206
702	#############################################################################	1207	#############################################################################
703	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
704		1251
705	sub reattach {	1252	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1254	my ($obj) = @_;
708		1255
		1256	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1258
711	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
712		1260
713	@$registry = ();	1261	@$registry = ();
714		1262
…		…
719	for (@$attach) {	1267	for (@$attach) {
720	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
722	}	1270	}
723	} else {	1271	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1273	}
726	}	1274	}
727	}	1275	}
728		1276
729	cf::attachable->attach (	1277	cf::attachable->attach (
730	prio => -1000000,	1278	prio => -1000000,
731	on_instantiate => sub {	1279	on_instantiate => sub {
732	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
733		1281
734	$data = from_json $data;	1282	$data = decode_json $data;
735		1283
736	for (@$data) {	1284	for (@$data) {
737	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
738		1286
739	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1303	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
757		1305
758	sync_job {	1306	sync_job {
759	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
762		1312
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
767	close $fh;	1320	aio_close $fh;
768		1321
769	if (@$objs) {	1322	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
775	close $fh;	1331	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
777	}	1333	}
778	} else {	1334	} else {
779	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
780	}	1336	}
781		1337
782	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1342	} else {
784	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
785	}	1344	}
786	} else {	1345	} else {
787	aio_unlink $filename;	1346	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
789	}	1348	}
790	}	1349	};
791	}	1350	}
792		1351
793	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
795		1354
…		…
807	or return;	1366	or return;
808		1367
809	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
811	or return;	1370	or return;
		1371
812	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
813	}	1374	}
814		1375
		1376	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
817	return ($data, $av);	1381	($data, $av)
818	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
819		1389
820	#############################################################################	1390	#############################################################################
821	# command handling &c	1391	# command handling &c
822		1392
823	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1407	}
838		1408
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1410
841	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
842		1416
843	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
844	called.	1418	called.
845		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
846	=cut	1431	=cut
847		1432
848	sub register_extcmd {	1433	sub register_extcmd {
849	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
850		1435
851	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
852	}	1437	}
853		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
854	cf::player->attach (	1447	cf::player->attach (
855	on_command => sub {	1448	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
857		1450
858	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
859	or return;	1452	or return;
860		1453
…		…
865	cf::override;	1458	cf::override;
866	},	1459	},
867	on_extcmd => sub {	1460	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
869		1462
870	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1464
872	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
878	} else {	1477	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1479	}
881		1480
882	cf::override;	1481	cf::override;
883	},	1482	},
884	);	1483	);
885		1484
		1485	# "readahead" all extensions
886	sub load_extension {	1486	sub cache_extensions {
887	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
888		1488
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1492	}
914	die $@;
915	}	1493	};
916		1494
917	push @EXTS, $pkg;	1495	$grp
918	}	1496	}
919		1497
920	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
921	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1505	next unless -r $path;
923	eval {	1506
924	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
925	1	1570	}
926	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
927	}	1583	};
928	}	1584	}
929		1585
930	#############################################################################	1586	#############################################################################
931		1587
		1588	=back
		1589
932	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
933		1591
934	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
935		1593
936	=cut	1594	=cut
937		1595
938	package cf::player;	1596	package cf::player;
939		1597
…		…
941		1599
942	=head3 cf::player	1600	=head3 cf::player
943		1601
944	=over 4	1602	=over 4
945		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
		1617
946	=item cf::player::find $login	1618	=item cf::player::find $login
947		1619
948	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
949		1621
950	=cut	1622	=cut
951		1623
952	sub playerdir($) {	1624	sub playerdir($) {
953	cf::localdir	1625	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1626	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1627	}
959		1628
960	sub path($) {	1629	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1630	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1631
963	(playerdir $login) . "/$login.pl"	1632	(playerdir $login) . "/playerdata"
964	}	1633	}
965		1634
966	sub find_active($) {	1635	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1636	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1637	and $cf::PLAYER{$_[0]}->active
…		…
971		1640
972	sub exists($) {	1641	sub exists($) {
973	my ($login) = @_;	1642	my ($login) = @_;
974		1643
975	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
977	}	1646	}
978		1647
979	sub find($) {	1648	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1650	my $login = $_[0];
982		1651
983	my $guard = cf::lock_acquire "user_find:$login";	1652	my $guard = cf::lock_acquire "user_find:$login";
984		1653
985	$cf::PLAYER{$_[0]} || do {	1654	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1655	# rename old playerfiles to new ones
		1656	#TODO: remove when no longer required
		1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1660	aio_unlink +(playerdir $login) . "/$login.pl";
		1661
		1662	my $f = new_from_file cf::object::thawer path $login
987	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
989	}	1671	}
990	}	1672	}
991	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
992		1687
993	sub save($) {	1688	sub save($) {
994	my ($pl) = @_;	1689	my ($pl) = @_;
995		1690
996	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1002		1697
1003	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1005		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1006	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1007	Coro::cede;	1707	cf::cede_to_tick;
1008	}	1708	}
1009		1709
1010	sub new($) {	1710	sub new($) {
1011	my ($login) = @_;	1711	my ($login) = @_;
1012		1712
…		…
1018	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1019		1719
1020	$self	1720	$self
1021	}	1721	}
1022		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1023	=item $pl->quit_character	1733	=item $pl->quit_character
1024		1734
1025	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1027		1737
1028	=cut	1738	=cut
1029		1739
1030	sub quit_character {	1740	sub quit_character {
1031	my ($pl) = @_;	1741	my ($pl) = @_;
1032		1742
		1743	my $name = $pl->ob->name;
		1744
1033	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1747
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1039	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1040		1756
1041	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1760	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1761	$pl->destroy;
		1762
		1763	my $prefix = qr<^~\Q$name\E/>;
		1764
		1765	# nuke player maps
		1766	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1767
1046	IO::AIO::aio_rmtree $temp;	1768	IO::AIO::aio_rmtree $temp;
		1769	}
		1770
		1771	=item $pl->kick
		1772
		1773	Kicks a player out of the game. This destroys the connection.
		1774
		1775	=cut
		1776
		1777	sub kick {
		1778	my ($pl, $kicker) = @_;
		1779
		1780	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1781	$pl->killer ("kicked");
		1782	$pl->ns->destroy;
1047	}	1783	}
1048		1784
1049	=item cf::player::list_logins	1785	=item cf::player::list_logins
1050		1786
1051	Returns am arrayref of all valid playernames in the system, can take a	1787	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1788	while and may block, so not sync_job-capable, ever.
1053		1789
1054	=cut	1790	=cut
1055		1791
1056	sub list_logins {	1792	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1793	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1794	or return [];
1059		1795
1060	my @logins;	1796	my @logins;
1061		1797
1062	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1066		1808
1067	utf8::decode $login;	1809	utf8::decode $login;
1068	push @logins, $login;	1810	push @logins, $login;
1069	}	1811	}
1070		1812
1071	\@logins	1813	\@logins
1072	}	1814	}
1073		1815
1074	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1075		1819
1076	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1077	player. May block.	1821	player. May block.
1078		1822
1079	=cut	1823	=cut
…		…
1097	}	1841	}
1098		1842
1099	\@paths	1843	\@paths
1100	}	1844	}
1101		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1103		1851
1104	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1105		1853
1106	=cut	1854	=cut
1107		1855
1108	sub ext_reply($$$%) {	1856	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1110		1858
1111	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1860	}
1115		1861
1116	package cf;	1862	=item $player->ext_msg ($type, @msg)
		1863
		1864	Sends an ext event to the client.
		1865
		1866	=cut
		1867
		1868	sub ext_msg($$@) {
		1869	my ($self, $type, @msg) = @_;
		1870
		1871	$self->ns->ext_msg ($type, @msg);
		1872	}
		1873
		1874	=head3 cf::region
		1875
		1876	=over 4
		1877
		1878	=cut
		1879
		1880	package cf::region;
		1881
		1882	=item cf::region::find_by_path $path
		1883
		1884	Tries to decuce the likely region for a map knowing only its path.
		1885
		1886	=cut
		1887
		1888	sub find_by_path($) {
		1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
		1893	my ($match, $specificity);
		1894
		1895	for my $region (list) {
		1896	if ($region->{match} && $path =~ $region->{match}) {
		1897	($match, $specificity) = ($region, $region->specificity)
		1898	if $region->specificity > $specificity;
		1899	}
		1900	}
		1901
		1902	$match
		1903	}
1117		1904
1118	=back	1905	=back
1119
1120		1906
1121	=head3 cf::map	1907	=head3 cf::map
1122		1908
1123	=over 4	1909	=over 4
1124		1910
…		…
1136	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1138		1924
1139	sub generate_random_map {	1925	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1142	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1931	}
1156		1932
1157	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1158		1934
1159	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1164		1940
1165	sub register {	1941	sub register {
1166	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1943	my $pkg = caller;
1168		1944
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1946
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1948	}
1174		1949
1175	# also paths starting with '/'	1950	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1952
1178	sub thawer_merge {	1953	sub thawer_merge {
1179	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1180		1955
1181	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1182	local $self->{path};	1957	local $self->{path};
1183	local $self->{load_path};	1958	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1959
1187	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1188	}	1961	}
1189		1962
1190	sub normalise {	1963	sub normalise {
1191	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1192		1965
1193	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1194		1967
1195	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1196		1969
1197	# map plan:	1970	# map plan:
1198	#	1971	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1987	$path = "$base/$path";
1215	}	1988	}
1216		1989
1217	for ($path) {	1990	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1221	}	1993	}
1222		1994
1223	$path	1995	$path
…		…
1237	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1238	return $self;	2010	return $self;
1239	}	2011	}
1240	}	2012	}
1241		2013
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2015	()
1244	}	2016	}
1245		2017
		2018	# may re-bless or do other evil things
1246	sub init {	2019	sub init {
1247	my ($self) = @_;	2020	my ($self) = @_;
1248		2021
1249	$self	2022	$self
1250	}	2023	}
…		…
1262		2035
1263	# the original (read-only) location	2036	# the original (read-only) location
1264	sub load_path {	2037	sub load_path {
1265	my ($self) = @_;	2038	my ($self) = @_;
1266		2039
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2040	"$MAPDIR/$self->{path}.map"
1268	}	2041	}
1269		2042
1270	# the temporary/swap location	2043	# the temporary/swap location
1271	sub save_path {	2044	sub save_path {
1272	my ($self) = @_;	2045	my ($self) = @_;
1273		2046
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2048	"$TMPDIR/$path.map"
1276	}	2049	}
1277		2050
1278	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1279	sub uniq_path {	2052	sub uniq_path {
1280	my ($self) = @_;	2053	my ($self) = @_;
1281		2054
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2056	"$UNIQUEDIR/$path"
1284	}	2057	}
1285		2058
1286	# and all this just because we cannot iterate over	2059	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2060	my ($self) = @_;
1290		2061
1291	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1293	}	2065	}
1294		2066
1295	sub unlink_save {	2067	sub unlink_save {
1296	my ($self) = @_;	2068	my ($self) = @_;
1297		2069
…		…
1302		2074
1303	sub load_header_from($) {	2075	sub load_header_from($) {
1304	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1305		2077
1306	utf8::encode $path;	2078	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	2080	or return;
1312		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1313	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1314		2089
1315	1	2090	1
1316	}	2091	}
1317		2092
		2093	# used to laod the header of an original map
1318	sub load_header_orig {	2094	sub load_header_orig {
1319	my ($self) = @_;	2095	my ($self) = @_;
1320		2096
1321	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1322	}	2098	}
1323		2099
		2100	# used to laod the header of an instantiated map
1324	sub load_header_temp {	2101	sub load_header_temp {
1325	my ($self) = @_;	2102	my ($self) = @_;
1326		2103
1327	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1328	}	2105	}
1329		2106
		2107	# called after loading the header from an instantiated map
1330	sub prepare_temp {	2108	sub prepare_temp {
1331	my ($self) = @_;	2109	my ($self) = @_;
1332		2110
1333	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1334	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1335	# safety	2113	# safety
1336	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1337	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1338	}	2116	}
1339		2117
		2118	# called after loading the header from an original map
1340	sub prepare_orig {	2119	sub prepare_orig {
1341	my ($self) = @_;	2120	my ($self) = @_;
1342		2121
1343	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1344	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1355	$self->load_header_orig	2134	$self->load_header_orig
1356	or return;	2135	or return;
1357	$self->prepare_orig;	2136	$self->prepare_orig;
1358	}	2137	}
1359		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
		2142	$self->default_region (cf::region::find_by_path $self->{path})
		2143	unless $self->default_region;
		2144
1360	1	2145	1
1361	}	2146	}
1362		2147
1363	sub find;	2148	sub find;
1364	sub find {	2149	sub find {
1365	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1366		2151
		2152	cf::cede_to_tick;
		2153
1367	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1368		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1370		2158
1371	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";
1373	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1374	or return;	2161	or return;
1375		2162
1376	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1377		2164
1378	$map->load_header	2165	$map->load_header
1379	or return;	2166	or return;
1380		2167
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1384	$map->reset;	2173	$map->reset;
1385	undef $guard;
1386	return find $path;	2174	return find $path;
1387	}	2175	}
1388		2176
1389	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1390	}	2178	}
1391	}	2179	}
1392		2180
1393	sub pre_load { }	2181	sub pre_load { }
1394	sub post_load { }	2182	#sub post_load { } # XS
1395		2183
1396	sub load {	2184	sub load {
1397	my ($self) = @_;	2185	my ($self) = @_;
1398		2186
1399	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1400		2188
1401	my $path = $self->{path};	2189	my $path = $self->{path};
		2190
		2191	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1403		2193
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2194	return unless $self->valid;
		2195	return unless $self->state == cf::MAP_SWAPPED;
1405		2196
1406	$self->in_memory (cf::MAP_LOADING);
1407
1408	$self->alloc;	2197	$self->alloc;
1409		2198
1410	$self->pre_load;	2199	$self->pre_load;
		2200	cf::cede_to_tick;
1411		2201
1412	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1413	or return;	2206	or return;
1414		2207
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1416	if delete $self->{load_original};	2209	if delete $self->{load_original};
1417		2210
1418	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2212	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2215	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1423	}	2220	}
1424	}
1425		2221
1426	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
1427		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1428	# now do the right thing for maps	2231	# now do the right thing for maps
1429	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2234	unless $self->difficulty;
1439	Coro::cede;	2235	cf::cede_to_tick;
1440	$self->activate;	2236
		2237	unless ($self->{deny_activate}) {
		2238	$self->decay_objects;
		2239	$self->fix_auto_apply;
		2240	$self->update_buttons;
		2241	cf::cede_to_tick;
		2242	#$self->activate; # no longer activate maps automatically
		2243	}
		2244
		2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1441	}	2247	}
1442		2248
1443	$self->post_load;	2249	$self->post_load;
1444		2250
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2251	1
1446	}	2252	}
1447		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1448	sub customise_for {	2257	sub customise_for {
1449	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1450		2259
1451	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2261	if $self->per_player;
1453		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1454	$self	2266	$self
1455	}
1456
1457	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {
1459	my ($map) = @_;
1460
1461	my @diag; # diagonal neighbours
1462
1463	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)
1465	or next;
1466	$neigh = find $neigh, $map
1467	or next;
1468	$neigh->load;
1469
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}
1473
1474	for (@diag) {
1475	my $neigh = find @$_
1476	or next;
1477	$neigh->load;
1478	}
1479	}	2267	}
1480		2268
1481	sub find_sync {	2269	sub find_sync {
1482	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1483		2271
1484	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1485	}	2277	}
1486		2278
1487	sub do_load_sync {	2279	sub do_load_sync {
1488	my ($map) = @_;	2280	my ($map) = @_;
1489		2281
1490	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1491	}	2287	}
1492		2288
1493	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1495		2291
1496	sub find_async {	2292	sub find_async {
1497	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1498		2294
1499	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1500		2296
1501	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1503	}	2299	}
1504		2300
1505	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1506	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1507	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2308	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2309	$map->load if $v;
		2310	}
1512		2311
1513	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1514	}	2313	}
1515	}	2314	}
1516	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1517	};	2316	};
1518	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1519		2318
1520	()	2319	()
1521	}	2320	}
1522		2321
		2322	# common code, used by both ->save and ->swapout
1523	sub save {	2323	sub _save {
1524	my ($self) = @_;	2324	my ($self) = @_;
1525
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
1527		2325
1528	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1529		2327
1530	return unless $self->dirty;	2328	return unless $self->dirty;
1531		2329
…		…
1537	return if $self->{deny_save};	2335	return if $self->{deny_save};
1538		2336
1539	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1540		2338
1541	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1543	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1544		2345
1545	if ($uniq) {	2346	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1548	} else {	2349	} else {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1550	}	2351	}
1551	}	2352	}
1552		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1553	sub swap_out {	2362	sub swap_out {
1554	my ($self) = @_;	2363	my ($self) = @_;
1555		2364
1556	# save first because save cedes
1557	$self->save;
1558
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1561	return if $self->players;	2369	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};
1564		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1565	$self->clear;	2380	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2381	}
1568		2382
1569	sub reset_at {	2383	sub reset_at {
1570	my ($self) = @_;	2384	my ($self) = @_;
1571		2385
1572	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1575		2388
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2391
…		…
1589	my ($self) = @_;	2402	my ($self) = @_;
1590		2403
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2405
1593	return if $self->players;	2406	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2407
1596	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1597		2409
1598	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1599		2411
1600	# need to save uniques path	2412	# need to save uniques path
1601	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1602	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1603		2415
…		…
1605	if $uniq;	2417	if $uniq;
1606	}	2418	}
1607		2419
1608	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1609		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2424	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2425
1614	$self->unlink_save;	2426	$self->unlink_save;
1615	$self->destroy;	2427	$self->destroy;
1616	}	2428	}
1617		2429
1618	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1619		2431
1620	sub nuke {	2432	sub nuke {
1621	my ($self) = @_;	2433	my ($self) = @_;
1622		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1623	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1624		2439
1625	$self->unlink_save;	2440	$self->unlink_save;
1626		2441
1627	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1628	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2447
1633	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1634		2450
1635	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1636	}	2488	}
1637		2489
1638	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1639		2491
1640	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2493	instantiated unique items. May block.
1642		2494
1643	=cut	2495	=cut
1644		2496
1645	sub unique_maps() {	2497	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2498	[
1647	or return;	2499	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2500	utf8::decode $_;
1653	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1654	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1655		2503	? ()
1656	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2506	]
1658
1659	\@paths
1660	}	2507	}
1661		2508
1662	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1663		2540
1664	=back	2541	=back
1665		2542
1666	=head3 cf::object	2543	=head3 cf::object
1667		2544
…		…
1671		2548
1672	=over 4	2549	=over 4
1673		2550
1674	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1675		2552
1676	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1677		2555
1678	=cut	2556	=cut
1679		2557
1680	sub inv_recursive_;	2558	sub inv_recursive_;
1681	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1684		2562
1685	sub inv_recursive {	2563	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1687	}	2565	}
1688		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1689	package cf;	2595	package cf;
1690		2596
1691	=back	2597	=back
1692		2598
1693	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1699	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1700	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1701	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1702		2608
1703	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1704		2624
1705	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1706	# with dialog boxes.	2626	# with dialog boxes.
1707	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1708	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1710		2630
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2632
1713	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1715	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1718	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1719	}	2658	}
1720		2659
1721	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1722		2661
1723	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1736		2675
1737	=item $player_object->enter_link	2676	=item $player_object->enter_link
1738		2677
1739	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1740		2679
1741	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1742	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1743		2684
1744	Will never block.	2685	Will never block.
1745		2686
1746	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1747		2688
…		…
1767	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1768	my ($self) = @_;	2709	my ($self) = @_;
1769		2710
1770	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1771		2712
		2713	++$self->{_link_recursion};
		2714
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2716
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1776		2719
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1778	}	2721	}
1779		2722
1780	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1782		2727
1783	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1784		2729
1785	unless ($map) {	2730	unless ($map) {
1786	# restore original map position	2731	# restore original map position
…		…
1797	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1798	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1799		2744
1800	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1803		2748
1804	$map->load;	2749	$map->load;
1805	$map->load_diag;
1806		2750
1807	return unless $self->contr->active;	2751	return unless $self->contr->active;
1808	$self->activate_recursive;
1809		2752
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1812	}	2755	# entering was successful
1813		2756	delete $self->{_link_recursion};
1814	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1815	on_logout => sub {	2758	$self->activate_recursive;
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},	2759	}
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2760
1828	# try to abort aborted map switching on player login :)	2761	}
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845		2762
1846	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1847		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1848	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1849		2777
1850	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2789
1853	$self->enter_link;	2790	$self->enter_link;
1854		2791
1855	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1856	my $map = eval {	2814	my $map = eval {
1857	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1859	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2830	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1864	})->prio (1);	2838	})->prio (1);
1865	}	2839	}
1866		2840
1867	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1868		2842
…		…
1888	}	2862	}
1889		2863
1890	sub prepare_random_map {	2864	sub prepare_random_map {
1891	my ($exit) = @_;	2865	my ($exit) = @_;
1892		2866
1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1894
1895	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1896	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1897	# that depends on the exit object	2869	# that depends on the exit object
1898		2870
1899	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1901	if ($exit->map) {	2873	if ($exit->map) {
1902	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1903	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1904	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1905	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1906	}	2880	}
1907		2881
1908	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1909		2883
1910	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1911	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1913		2887
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2890	undef $fh;
1917	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1918		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1919	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1920	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1921	}	2899	}
1922	}	2900	}
1923		2901
1924	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1925	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
1926		2904
1927	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1928		2906
1929	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
1931	cf::sync_job { prepare_random_map $exit };
1932	}
1933
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;
1937
1938	$self->enter_link;	2907	$self->enter_link;
1939		2908
1940	(async {	2909	(async {
1941	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1942	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
1943	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
1944		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
1945	1;	2948	1
1946	}) {	2949	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
1948	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2954
1952	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
1953	$self->leave_link;	2956	$self->leave_link;
1954	}	2957	}
1955	})->prio (1);	2958	})->prio (1);
1956	}	2959	}
1957		2960
…		…
1968		2971
1969	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
1971		2974
1972	utf8::encode $text;	2975	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2977	}
1975		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
		3166	=item $client->ext_msg ($type, @msg)
		3167
		3168	Sends an ext event to the client.
		3169
		3170	=cut
		3171
		3172	sub cf::client::ext_msg($$@) {
		3173	my ($self, $type, @msg) = @_;
		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
		3178	push @msg, msgtype => "event_$type";
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3195	}
1976		3196
1977	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
1978		3198
1979	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		3202
1983	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	3204	become reliable at some point in the future.
1985		3205
1986	=cut	3206	=cut
1987		3207
1988	sub cf::client::query {	3208	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	3217	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		3219
2000	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2002	}	3224	}
2003		3225
2004	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2005	on_reply => sub {	3232	on_reply => sub {
2006	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2007		3234
2008	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2009	# get handled first	3236	# get handled first
…		…
2021	} else {	3248	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	3250	}
2024	}	3251	}
2025	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2026	);	3276	);
2027		3277
2028	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2029		3279
2030	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		3296
2047	$coro	3297	$coro
2048	}	3298	}
2049		3299
2050	cf::client->attach (	3300	cf::client->attach (
2051	on_destroy => sub {	3301	on_client_destroy => sub {
2052	my ($ns) = @_;	3302	my ($ns) = @_;
2053		3303
2054	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2055	},	3305	},
2056	);	3306	);
…		…
2071	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2073		3323
2074	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2075		3325
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2077		3331
2078	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2079		3333
2080	=pod	3334	=pod
2081		3335
2082	The following fucntions and emthods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2083		3337
2084	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2085	cf::object::player player	3343	cf::object::player
2086	cf::player peaceful	3344	player
2087	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2088		3351
2089	=cut	3352	=cut
2090		3353
2091	for (	3354	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2093	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2095	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2096	) {	3361	) {
2097	no strict 'refs';
2098	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2099	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2100	for @funs;	3364	for @funs;
2101	}	3365	}
2102		3366
…		…
2117		3381
2118	my $qcode = $code;	3382	my $qcode = $code;
2119	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2120	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2121		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2122	local $_;	3389	local $_;
2123	local @safe::cf::_safe_eval_args = values %vars;
2124		3390
2125	my $eval =	3391	my $eval =
2126	"do {\n"	3392	"do {\n"
2127	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2128	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2129	. $code	3395	. $code
2130	. "\n}"	3396	. "\n}"
2131	;	3397	;
2132		3398
		3399	if ($CFG{safe_eval}) {
2133	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2134	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2135	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2136		3408
2137	if ($@) {	3409	if ($@) {
2138	warn "$@";	3410	warn "$@",
2139	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2140	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2141	}	3413	}
2142		3414
2143	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2144	}	3416	}
2145		3417
…		…
2159	=cut	3431	=cut
2160		3432
2161	sub register_script_function {	3433	sub register_script_function {
2162	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2163		3435
2164	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2165	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2166	}	3438	}
2167		3439
2168	=back	3440	=back
2169		3441
2170	=cut	3442	=cut
2171
2172	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243		3443
2244	#############################################################################	3444	#############################################################################
2245	# the server's init and main functions	3445	# the server's init and main functions
2246		3446
2247	sub init_resources {	3447	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3448	my ($path) = @_;
		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
		3456	trace "loading facedata from $path\n";
		3457
		3458	my $facedata = decode_storable load_file $path;
		3459
		3460	$facedata->{version} == 2
		3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
		3472	{
		3473	my $faces = $facedata->{faceinfo};
		3474
		3475	while (my ($face, $info) = each %$faces) {
		3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
		3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
		3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
		3485	}
		3486
		3487	while (my ($face, $info) = each %$faces) {
		3488	next unless $info->{smooth};
		3489
		3490	my $idx = cf::face::find $face
		3491	or next;
		3492
		3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
		3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3496	} else {
		3497	error "smooth face '$info->{smooth}' not found for face '$face'";
		3498	}
		3499
		3500	cf::cede_to_tick;
		3501	}
		3502	}
		3503
		3504	{
		3505	my $anims = $facedata->{animinfo};
		3506
		3507	while (my ($anim, $info) = each %$anims) {
		3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3509	cf::cede_to_tick;
		3510	}
		3511
		3512	cf::anim::invalidate_all; # d'oh
		3513	}
		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
		3536	1
		3537	}
		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
		3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
		3562	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3563	or die "unable to load regions file\n";
2250	}
2251		3564
2252	sub cfg_load {	3565	for (cf::region::list) {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3566	$_->{match} = qr/$_->{match}/
2254	or return;	3567	if exists $_->{match};
		3568	}
		3569	}
2255		3570
2256	local $/;	3571	sub reload_facedata {
2257	*CFG = YAML::Syck::Load <$fh>;	3572	load_facedata "$DATADIR/facedata"
		3573	or die "unable to load facedata\n";
		3574	}
2258		3575
		3576	sub reload_archetypes {
		3577	load_resource_file "$DATADIR/archetypes"
		3578	or die "unable to load archetypes\n";
		3579	}
		3580
		3581	sub reload_treasures {
		3582	load_resource_file "$DATADIR/treasures"
		3583	or die "unable to load treasurelists\n";
		3584	}
		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
		3606	sub reload_resources {
		3607	trace "reloading resource files...\n";
		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
		3614	reload_regions;
		3615	reload_treasures;
		3616
		3617	trace "finished reloading resource files\n";
		3618	}
		3619
		3620	sub reload_config {
		3621	trace "reloading config file...\n";
		3622
		3623	my $config = load_file "$CONFDIR/config";
		3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
		3626
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3628
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3631
2264	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2268	};	3636	};
2269	warn $@ if $@;	3637	warn $@ if $@;
2270	}	3638	}
2271	}	3639	}
2272		3640
2273	sub init {	3641	sub pidfile() {
2274	init_resources;	3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
2275	}	3667	}
2276		3668
2277	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2278	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3682	(async {
2282	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2284	};	3686	};
2285		3687
2286	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2287	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2288	load_extensions;	3711	load_extensions;
2289		3712
2290	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2291	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2292	}	3730	}
2293		3731
2294	#############################################################################	3732	#############################################################################
2295	# initialisation and cleanup	3733	# initialisation and cleanup
2296		3734
2297	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2298	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2307	},
2308	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2309	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2310	}	3831	}
2311		3832
2312	sub emergency_save() {	3833	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2314		3835
2315	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2316		3842
2317	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2318	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2319	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2320	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2322	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3854	$pl->save;
2326	}	3855	}
2327	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2328		3857
2329	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2330	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2331	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2332	$map->valid or next;	3863	$map->valid or next;
2333	$map->save;	3864	$map->save;
2334	}	3865	}
2335	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2336		3867
2337	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2338	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2339	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3896	};
2341		3897
2342	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2343	}	3899	}
2344		3900
2345	sub post_cleanup {	3901	sub post_cleanup {
2346	my ($make_core) = @_;	3902	my ($make_core) = @_;
2347		3903
		3904	IO::AIO::flush;
		3905
2348	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3907	if $make_core;
2350	}
2351		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
		3936	}
		3937
2352	sub reload() {	3938	sub do_reload_perl() {
2353	# can/must only be called in main	3939	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2355	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2356	return;	3942	return;
2357	}	3943	}
2358		3944
2359	warn "reloading...";	3945	return if $RELOAD++;
2360		3946
2361	warn "entering sync_job";	3947	my $t1 = AE::time;
2362		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2363	cf::sync_job {	3955	cf::sync_job {
2364	cf::write_runtime; # external watchdog should not bark
2365	cf::emergency_save;	3956	#cf::emergency_save;
2366	cf::write_runtime; # external watchdog should not bark
2367		3957
2368	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;
2370
2371	# if anything goes wrong in here, we should simply crash as we already saved
2372
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";
2379	for (;;) {
2380	BDB::flush;
2381	IO::AIO::flush;
2382	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";
2385	}
2386
2387	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3960	%EXT_CORO = ();
2390		3961
2391	warn "removing commands";	3962	trace "perl_reload: removing commands";
2392	%COMMAND = ();	3963	%COMMAND = ();
2393		3964
2394	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2395	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2396		3968
2397	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2400		3972
2401	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2402	eval {	3974	eval {
2403	$cb->($pkg);	3975	$cb->($pkg);
2404	1	3976	1
2405	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2406	}	3982	}
2407		3983
2408	warn "... nuking $pkg";
2409	Symbol::delete_package $pkg;
2410	}
2411
2412	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2413	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2415		3987
2416	warn "... unloading $k";	3988	trace "... unloading $k";
2417	delete $INC{$k};	3989	delete $INC{$k};
2418		3990
2419	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2420	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2421		3993
2422	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2423	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2424	}	3999	}
2425		4000
2426	Symbol::delete_package $k;
2427	}
2428
2429	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2430	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		4004
2433	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
		4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2435		4008
2436	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2437	# and global variables created in xs	4010	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2439		4012
2440	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2441		4014
2442	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2443	require cf;	4016	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2445		4018
2446	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2447	cf::cfg_load;	4020	cf::reload_config;
2448		4021
2449	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2450	cf::load_extensions;	4023	cf::load_extensions;
2451		4024
		4025	if ($REATTACH_ON_RELOAD) {
2452	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2453	_global_reattach;	4027	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2455	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
		4030	trace "perl_reload: reattaching attachments to players";
		4031	reattach $_ for values %PLAYER;
		4032	}
2456		4033
2457	warn "loading reloadable resources";	4034	cf::_post_init 1;
2458	init_resources;
2459		4035
2460	warn "leaving sync_job";	4036	trace "perl_reload: leaving sync_job";
2461		4037
2462	1	4038	1
2463	} or do {	4039	} or do {
2464	warn $@;	4040	error $@;
2465	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2466	exit 1;	4042	};
		4043
		4044	--$RELOAD;
		4045	}
		4046
		4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
		4049	};
		4050
		4051	our $RELOAD_WATCHER; # used only during reload
		4052
		4053	sub reload_perl() {
		4054	# doing reload synchronously and two reloads happen back-to-back,
		4055	# coro crashes during coro_state_free->destroy here.
		4056
		4057	$RELOAD_WATCHER ||= cf::async {
		4058	Coro::AIO::aio_wait cache_extensions;
		4059
		4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4061	do_reload_perl;
		4062	undef $RELOAD_WATCHER;
		4063	};
2467	};	4064	};
2468		4065	}
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4066
2474	register_command "reload" => sub {	4067	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2476		4069
2477	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
2479		4072	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4073	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4074	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4075	};
2492	}	4076	}
2493	};	4077	};
2494		4078
2495	unshift @INC, $LIBDIR;	4079	#############################################################################
2496		4080
2497	my $bug_warning = 0;	4081	my $bug_warning = 0;
2498		4082
2499	$TICK_WATCHER = Event->timer (	4083	sub wait_for_tick() {
2500	reentrant => 0,	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2501	parked => 1,	4085
2502	prio => 0,	4086	$WAIT_FOR_TICK->wait;
2503	at => $NEXT_TICK || $TICK,	4087	}
2504	data => WF_AUTOCANCEL,	4088
2505	cb => sub {	4089	sub wait_for_tick_begin() {
		4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4091
		4092	my $signal = new Coro::Signal;
		4093	push @WAIT_FOR_TICK_BEGIN, $signal;
		4094	$signal->wait;
		4095	}
		4096
		4097	sub tick {
2506	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2509	return;	4101	return;
2510	}	4102	}
2511		4103
2512	$NOW = Event::time;	4104	cf::one_tick; # one server iteration
2513		4105
2514	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4107
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	4110	Coro::async_pool {
		4111	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	4112	write_runtime_sync
2522	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
2523	};
2524	}	4114	};
		4115	}
2525		4116
		4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4118	$sig->send;
		4119	}
2526	$WAIT_FOR_TICK->broadcast;	4120	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4121
2529	# my $AFTER = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2530	# warn $AFTER - $NOW;#d#	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2531		4124
2532	# if we are delayed by four ticks or more, skip them all	4125	if (0) {
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4126	if ($NEXT_TICK) {
2534		4127	my $jitter = $TICK_START - $NEXT_TICK;
2535	$TICK_WATCHER->at ($NEXT_TICK);	4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2536	$TICK_WATCHER->start;	4129	debug "jitter $JITTER\n";#d#
		4130	}
2537	},	4131	}
2538	);	4132	}
2539		4133
2540	{	4134	{
2541	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2542	$BDB_POLL_WATCHER = Event->io (	4136
2543	reentrant => 0,
2544	fd => BDB::poll_fileno,
2545	poll => 'r',
2546	prio => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,
2549	);
2550	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2551		4138	BDB::max_poll_reqs $TICK * 0.1;
2552	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
2553	my $status;
2554	my $current = $Coro::current;
2555	(
2556	sub {
2557	$status = $!;
2558	$current->ready; undef $current;
2559	},
2560	sub {
2561	Coro::schedule while defined $current;
2562	$! = $status;
2563	},
2564	)
2565	};
2566		4140
2567	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		4148
2570	cf::sync_job {	4149	cf::sync_job {
2571	eval {	4150	eval {
2572	BDB::db_env_open	4151	BDB::db_env_open
2573	$DB_ENV,	4152	$DB_ENV,
2574	$BDB_ENV_DIR,	4153	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	4156	0666;
2578		4157
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	4159	};
2584		4160
2585	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	4162	};
2587	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2588	}	4174	}
2589		4175
2590	{	4176	{
		4177	# configure IO::AIO
		4178
2591	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2592
2593	undef $Coro::AIO::WATCHER;
2594	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2595	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2596	reentrant => 0,
2597	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,
2599	poll => 'r',
2600	prio => 6,
2601	cb => \&IO::AIO::poll_cb,
2602	);
2603	}	4182	}
		4183
		4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
		4186
		4187	sub _log_backtrace {
		4188	my ($msg, @addr) = @_;
		4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4228	}
		4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2604		4234
2605	END { cf::emergency_save }	4235	END { cf::emergency_save }
2606		4236
2607	1	4237	1
2608		4238

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