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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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;
54	our $WRITE_RUNTIME_WATCHER;	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(!)
		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	}
278	$WRITE_RUNTIME_WATCHER->start;	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	}
279	};	578	}
280	$WRITE_RUNTIME_WATCHER->stop;	579	};
281	$TICK_WATCHER->stop;	580
282	$guard	581	sub get_slot($;$$) {
		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;
283	}	594	}
284		595
285	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
286		597
287	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		603
293	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
294		605
295	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
296		607
297	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
298	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
299	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.
300		612
301	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
302	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
303	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
304	fast or be very important.	616	fast or be very important.
…		…
306	=cut	618	=cut
307		619
308	sub sync_job(&) {	620	sub sync_job(&) {
309	my ($job) = @_;	621	my ($job) = @_;
310		622
311	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
312	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
314		628
315	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	630
317	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
318		632
319	my $busy = 1;	633	my $busy = 1;
320	my @res;	634	my @res;
321		635
322	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	638	@res = eval { $job->() };
324	warn $@ if $@;	639	error $@ if $@;
325	undef $busy;	640	undef $busy;
326	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
327		642
328	while ($busy) {	643	while ($busy) {
329	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
330	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
331		654
332	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
333	} else {	656	} else {
334	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
335		658
…		…
355	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
356		679
357	$coro	680	$coro
358	}	681	}
359		682
360	sub write_runtime {	683	=item fork_call { }, @args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		684
363	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		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.
364		689
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
366	or return;
367		691
368	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
369	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
370	# 60 allows for the watchdog to kill the server.	694	}
371		695
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
373	and return;	697	my ($cb, @args) = @_;
374		698
375	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
376	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
377	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
378		702
379	close $fh	703	my @res = Coro::Util::fork_eval {
380	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
381		707
382	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
383	and return;	709	}
384		710
		711	sub objinfo {
385	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 });
386	}	886	}
387		887
388	=back	888	=back
389		889
390	=cut	890	=cut
391		891
392	#############################################################################	892	#############################################################################
393		893
394	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
395		895
396	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
397	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")
398	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
399		899
400	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>
401	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
402	crossfire+).	902	Deliantra).
403		903
404	=over 4	904	=over 4
405		905
406	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
407		907
…		…
451	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
452		952
453	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
454	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
455		955
456	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		958
459	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
460		960
461	=over 4	961	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
571		1071
572	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		1076
577	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
579		1079
580	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
585		1085
586	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
587	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
588		1088
589	} elsif (ref $type) {	1089	} elsif (ref $type) {
590	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
591		1091
592	} else {	1092	} else {
593	shift @arg;	1093	shift @arg;
594	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
595	}	1095	}
596	}	1096	}
597	}	1097	}
598		1098
599	sub _object_attach {	1099	sub _object_attach {
…		…
609	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
610	}	1110	}
611		1111
612	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
613	} else {	1113	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
615	}	1115	}
616		1116
617	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
618	}	1118	}
619		1119
…		…
621	if (ref $_[0]) {	1121	if (ref $_[0]) {
622	_object_attach @_;	1122	_object_attach @_;
623	} else {	1123	} else {
624	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
625	}	1125	}
		1126	_recalc_want;
626	};	1127	};
627		1128
628	# all those should be optimised	1129	# all those should be optimised
629	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
634	reattach ($obj);	1135	reattach ($obj);
635	} else {	1136	} else {
636	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
637	}	1138	}
		1139	_recalc_want;
638	};	1140	};
639		1141
640	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
642		1144
…		…
657	";	1159	";
658	die if $@;	1160	die if $@;
659	}	1161	}
660		1162
661	our $override;	1163	our $override;
662	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?
663		1165
664	sub override {	1166	sub override {
665	$override = 1;	1167	$override = 1;
666	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
667	}	1169	}
668		1170
669	sub do_invoke {	1171	sub do_invoke {
670	my $event = shift;	1172	my $event = shift;
671	my $callbacks = shift;	1173	my $callbacks = shift;
672		1174
673	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
674		1176
675	local $override;	1177	local $override;
676		1178
677	for (@$callbacks) {	1179	for (@$callbacks) {
678	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
679		1181
680	if ($@) {	1182	if ($@) {
681	warn "$@";
682	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
683	override;	1184	override;
684	}	1185	}
685		1186
686	return 1 if $override;	1187	return 1 if $override;
687	}	1188	}
688		1189
689	0	1190	0
690	}	1191	}
691		1192
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1194
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1196
696	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
697		1198
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1202
702	=back	1203	=back
703		1204
704	=cut	1205	=cut
705		1206
706	#############################################################################	1207	#############################################################################
707	# 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	}
708		1251
709	sub reattach {	1252	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1254	my ($obj) = @_;
712		1255
		1256	# no longer needed after getting rid of delete_package?
713	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
714		1258
715	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
716		1260
717	@$registry = ();	1261	@$registry = ();
718		1262
…		…
723	for (@$attach) {	1267	for (@$attach) {
724	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
725	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
726	}	1270	}
727	} else {	1271	} else {
728	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
729	}	1273	}
730	}	1274	}
731	}	1275	}
732		1276
733	cf::attachable->attach (	1277	cf::attachable->attach (
734	prio => -1000000,	1278	prio => -1000000,
735	on_instantiate => sub {	1279	on_instantiate => sub {
736	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
737		1281
738	$data = from_json $data;	1282	$data = decode_json $data;
739		1283
740	for (@$data) {	1284	for (@$data) {
741	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
742		1286
743	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1303	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
761		1305
762	sync_job {	1306	sync_job {
763	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
766		1312
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	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	}
771	close $fh;	1320	aio_close $fh;
772		1321
773	if (@$objs) {	1322	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
778	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	}
779	close $fh;	1331	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
781	}	1333	}
782	} else {	1334	} else {
783	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
784	}	1336	}
785		1337
786	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1342	} else {
788	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
789	}	1344	}
790	} else {	1345	} else {
791	aio_unlink $filename;	1346	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
793	}	1348	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1349	};
801	}	1350	}
802		1351
803	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
805		1354
…		…
810		1359
811	sub object_thawer_load {	1360	sub object_thawer_load {
812	my ($filename) = @_;	1361	my ($filename) = @_;
813		1362
814	my ($data, $av);	1363	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1364
819	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
820	or return;	1366	or return;
821		1367
822	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
824	or return;	1370	or return;
		1371
825	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
826	}	1374	}
827		1375
		1376	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
830	return ($data, $av);	1381	($data, $av)
831	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
832		1389
833	#############################################################################	1390	#############################################################################
834	# command handling &c	1391	# command handling &c
835		1392
836	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1407	}
851		1408
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1410
854	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.
855		1416
856	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
857	called.	1418	called.
858		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
859	=cut	1431	=cut
860		1432
861	sub register_extcmd {	1433	sub register_extcmd {
862	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
863		1435
864	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
865	}	1437	}
866		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
867	cf::player->attach (	1447	cf::player->attach (
868	on_command => sub {	1448	on_unknown_command => sub {
869	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
870		1450
871	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
872	or return;	1452	or return;
873		1453
…		…
878	cf::override;	1458	cf::override;
879	},	1459	},
880	on_extcmd => sub {	1460	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
882		1462
883	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1464
885	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
891	} else {	1480	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1482	}
894		1483
895	cf::override;	1484	cf::override;
896	},	1485	},
897	);	1486	);
898		1487
		1488	# "readahead" all extensions
899	sub load_extension {	1489	sub cache_extensions {
900	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
901		1491
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1495	}
927	die $@;
928	}	1496	};
929		1497
930	push @EXTS, $pkg;	1498	$grp
931	}	1499	}
932		1500
933	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
934	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1508	next unless -r $path;
936	eval {	1509
937	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
938	1	1573	}
939	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
940	}	1586	};
941	}	1587	}
942		1588
943	#############################################################################	1589	#############################################################################
944		1590
		1591	=back
		1592
945	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
946		1594
947	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
948		1596
949	=cut	1597	=cut
950		1598
951	package cf::player;	1599	package cf::player;
952		1600
…		…
954		1602
955	=head3 cf::player	1603	=head3 cf::player
956		1604
957	=over 4	1605	=over 4
958		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
959	=item cf::player::find $login	1621	=item cf::player::find $login
960		1622
961	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
962		1624
963	=cut	1625	=cut
964		1626
965	sub playerdir($) {	1627	sub playerdir($) {
966	cf::localdir	1628	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1630	}
972		1631
973	sub path($) {	1632	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1634
976	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
977	}	1636	}
978		1637
979	sub find_active($) {	1638	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
984		1643
985	sub exists($) {	1644	sub exists($) {
986	my ($login) = @_;	1645	my ($login) = @_;
987		1646
988	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
990	}	1649	}
991		1650
992	sub find($) {	1651	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1653	my $login = $_[0];
995		1654
996	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
997		1656
998	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1002	}	1674	}
1003	}	1675	}
1004	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1005		1690
1006	sub save($) {	1691	sub save($) {
1007	my ($pl) = @_;	1692	my ($pl) = @_;
1008		1693
1009	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1014	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1015		1700
1016	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1018		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1019	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1020	Coro::cede;	1710	cf::cede_to_tick;
1021	}	1711	}
1022		1712
1023	sub new($) {	1713	sub new($) {
1024	my ($login) = @_;	1714	my ($login) = @_;
1025		1715
…		…
1031	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1032		1722
1033	$self	1723	$self
1034	}	1724	}
1035		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1036	=item $pl->quit_character	1736	=item $pl->quit_character
1037		1737
1038	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1040		1740
1041	=cut	1741	=cut
1042		1742
1043	sub quit_character {	1743	sub quit_character {
1044	my ($pl) = @_;	1744	my ($pl) = @_;
1045		1745
		1746	my $name = $pl->ob->name;
		1747
1046	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1048		1750
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1050	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1052	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1053		1759
1054	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1059	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1060	}	1786	}
1061		1787
1062	=item cf::player::list_logins	1788	=item cf::player::list_logins
1063		1789
1064	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1066		1792
1067	=cut	1793	=cut
1068		1794
1069	sub list_logins {	1795	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1797	or return [];
1072		1798
1073	my @logins;	1799	my @logins;
1074		1800
1075	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1079		1811
1080	utf8::decode $login;	1812	utf8::decode $login;
1081	push @logins, $login;	1813	push @logins, $login;
1082	}	1814	}
1083		1815
1084	\@logins	1816	\@logins
1085	}	1817	}
1086		1818
1087	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1088		1822
1089	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1090	player. May block.	1824	player. May block.
1091		1825
1092	=cut	1826	=cut
…		…
1110	}	1844	}
1111		1845
1112	\@paths	1846	\@paths
1113	}	1847	}
1114		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1116		1854
1117	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1118		1856
1119	=cut	1857	=cut
1120		1858
1121	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1123		1861
1124	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1863	}
1128		1864
1129	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1130		1907
1131	=back	1908	=back
1132
1133		1909
1134	=head3 cf::map	1910	=head3 cf::map
1135		1911
1136	=over 4	1912	=over 4
1137		1913
…		…
1149	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1151		1927
1152	sub generate_random_map {	1928	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1154	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1155	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159	$rmp->{exit_on_final_map},
1160	$rmp->{xsize}, $rmp->{ysize},
1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1166	(cf::region::find $rmp->{region}), $rmp->{custom}
1167	)
1168	}	1934	}
1169		1935
1170	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1171		1937
1172	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1177		1943
1178	sub register {	1944	sub register {
1179	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1180	my $pkg = caller;	1946	my $pkg = caller;
1181		1947
1182	no strict;
1183	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1184		1949
1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1186	}	1951	}
1187		1952
1188	# also paths starting with '/'	1953	# also paths starting with '/'
1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1190		1955
1191	sub thawer_merge {	1956	sub thawer_merge {
1192	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1193		1958
1194	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1195	local $self->{path};	1960	local $self->{path};
1196	local $self->{load_path};	1961	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1962
1200	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1201	}	1964	}
1202		1965
1203	sub normalise {	1966	sub normalise {
1204	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1205		1968
1206	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1207		1970
1208	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1209		1972
1210	# map plan:	1973	# map plan:
1211	#	1974	#
…		…
1226	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1227	$path = "$base/$path";	1990	$path = "$base/$path";
1228	}	1991	}
1229		1992
1230	for ($path) {	1993	for ($path) {
1231	redo if s{//}{/};
1232	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1233	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1234	}	1996	}
1235		1997
1236	$path	1998	$path
…		…
1250	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1251	return $self;	2013	return $self;
1252	}	2014	}
1253	}	2015	}
1254		2016
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1256	()	2018	()
1257	}	2019	}
1258		2020
		2021	# may re-bless or do other evil things
1259	sub init {	2022	sub init {
1260	my ($self) = @_;	2023	my ($self) = @_;
1261		2024
1262	$self	2025	$self
1263	}	2026	}
…		…
1275		2038
1276	# the original (read-only) location	2039	# the original (read-only) location
1277	sub load_path {	2040	sub load_path {
1278	my ($self) = @_;	2041	my ($self) = @_;
1279		2042
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1281	}	2044	}
1282		2045
1283	# the temporary/swap location	2046	# the temporary/swap location
1284	sub save_path {	2047	sub save_path {
1285	my ($self) = @_;	2048	my ($self) = @_;
1286		2049
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1289	}	2052	}
1290		2053
1291	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1292	sub uniq_path {	2055	sub uniq_path {
1293	my ($self) = @_;	2056	my ($self) = @_;
1294		2057
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1297	}	2060	}
1298		2061
1299	# and all this just because we cannot iterate over	2062	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	2063	my ($self) = @_;
1303		2064
1304	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1306	}	2068	}
1307		2069
1308	sub unlink_save {	2070	sub unlink_save {
1309	my ($self) = @_;	2071	my ($self) = @_;
1310		2072
1311	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	2076	}
1320		2077
1321	sub load_header_from($) {	2078	sub load_header_from($) {
1322	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1323		2080
1324	utf8::encode $path;	2081	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	2083	or return;
1330		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1331	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1332		2092
1333	1	2093	1
1334	}	2094	}
1335		2095
		2096	# used to laod the header of an original map
1336	sub load_header_orig {	2097	sub load_header_orig {
1337	my ($self) = @_;	2098	my ($self) = @_;
1338		2099
1339	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1340	}	2101	}
1341		2102
		2103	# used to laod the header of an instantiated map
1342	sub load_header_temp {	2104	sub load_header_temp {
1343	my ($self) = @_;	2105	my ($self) = @_;
1344		2106
1345	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1346	}	2108	}
1347		2109
		2110	# called after loading the header from an instantiated map
1348	sub prepare_temp {	2111	sub prepare_temp {
1349	my ($self) = @_;	2112	my ($self) = @_;
1350		2113
1351	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1352	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1353	# safety	2116	# safety
1354	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1355	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1356	}	2119	}
1357		2120
		2121	# called after loading the header from an original map
1358	sub prepare_orig {	2122	sub prepare_orig {
1359	my ($self) = @_;	2123	my ($self) = @_;
1360		2124
1361	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1362	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1373	$self->load_header_orig	2137	$self->load_header_orig
1374	or return;	2138	or return;
1375	$self->prepare_orig;	2139	$self->prepare_orig;
1376	}	2140	}
1377		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1378	1	2148	1
1379	}	2149	}
1380		2150
1381	sub find;	2151	sub find;
1382	sub find {	2152	sub find {
1383	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1384		2154
		2155	cf::cede_to_tick;
		2156
1385	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1386		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1388		2161
1389	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1392	or return;	2164	or return;
1393		2165
1394	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1395		2167
1396	$map->load_header	2168	$map->load_header
1397	or return;	2169	or return;
1398		2170
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1402	$map->reset;	2176	$map->reset;
1403	undef $guard;
1404	return find $path;	2177	return find $path;
1405	}	2178	}
1406		2179
1407	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1408	}	2181	}
1409	}	2182	}
1410		2183
1411	sub pre_load { }	2184	sub pre_load { }
1412	sub post_load { }	2185	#sub post_load { } # XS
1413		2186
1414	sub load {	2187	sub load {
1415	my ($self) = @_;	2188	my ($self) = @_;
1416		2189
1417	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1418		2191
1419	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1421		2196
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1423		2199
1424	$self->in_memory (cf::MAP_LOADING);
1425
1426	$self->alloc;	2200	$self->alloc;
1427		2201
1428	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1429		2204
1430	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1431	or return;	2209	or return;
1432		2210
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1434	if delete $self->{load_original};	2212	if delete $self->{load_original};
1435		2213
1436	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2215	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2218	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1441	}	2223	}
1442	}
1443		2224
1444	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1445		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1446	# now do the right thing for maps	2234	# now do the right thing for maps
1447	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2237	unless $self->difficulty;
1457	Coro::cede;	2238	cf::cede_to_tick;
1458	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1459	}	2250	}
1460		2251
1461	$self->post_load;	2252	$self->post_load;
1462		2253
1463	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1464	}	2255	}
1465		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1466	sub customise_for {	2260	sub customise_for {
1467	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1468		2262
1469	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2264	if $self->per_player;
1471		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1472	$self	2269	$self
1473	}
1474
1475	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {
1477	my ($map) = @_;
1478
1479	my @diag; # diagonal neighbours
1480
1481	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)
1483	or next;
1484	$neigh = find $neigh, $map
1485	or next;
1486	$neigh->load;
1487
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}
1491
1492	for (@diag) {
1493	my $neigh = find @$_
1494	or next;
1495	$neigh->load;
1496	}
1497	}	2270	}
1498		2271
1499	sub find_sync {	2272	sub find_sync {
1500	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1501		2274
1502	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1503	}	2280	}
1504		2281
1505	sub do_load_sync {	2282	sub do_load_sync {
1506	my ($map) = @_;	2283	my ($map) = @_;
1507		2284
1508	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1509	}	2290	}
1510		2291
1511	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1513		2294
1514	sub find_async {	2295	sub find_async {
1515	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1516		2297
1517	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1518		2299
1519	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1521	}	2302	}
1522		2303
1523	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1524	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1525	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2311	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2312	$map->load if $v;
		2313	}
1530		2314
1531	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1532	}	2316	}
1533	}	2317	}
1534	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1535	};	2319	};
1536	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1537		2321
1538	()	2322	()
1539	}	2323	}
1540		2324
		2325	# common code, used by both ->save and ->swapout
1541	sub save {	2326	sub _save {
1542	my ($self) = @_;	2327	my ($self) = @_;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1545		2328
1546	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1547		2330
1548	return unless $self->dirty;	2331	return unless $self->dirty;
1549		2332
…		…
1555	return if $self->{deny_save};	2338	return if $self->{deny_save};
1556		2339
1557	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1558		2341
1559	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1561	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1562		2348
1563	if ($uniq) {	2349	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2352	} else {
1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1568	}	2354	}
1569	}	2355	}
1570		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1571	sub swap_out {	2365	sub swap_out {
1572	my ($self) = @_;	2366	my ($self) = @_;
1573		2367
1574	# save first because save cedes
1575	$self->save;
1576
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1579	return if $self->players;	2372	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};
1582		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1583	$self->clear;	2383	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2384	}
1586		2385
1587	sub reset_at {	2386	sub reset_at {
1588	my ($self) = @_;	2387	my ($self) = @_;
1589		2388
1590	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1593		2391
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2394
…		…
1607	my ($self) = @_;	2405	my ($self) = @_;
1608		2406
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2408
1611	return if $self->players;	2409	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2410
1614	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1615		2412
1616	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1617		2414
1618	# need to save uniques path	2415	# need to save uniques path
1619	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1620	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1621		2418
…		…
1623	if $uniq;	2420	if $uniq;
1624	}	2421	}
1625		2422
1626	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1627		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2427	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2428
1632	$self->unlink_save;	2429	$self->unlink_save;
1633	$self->destroy;	2430	$self->destroy;
1634	}	2431	}
1635		2432
1636	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1637		2434
1638	sub nuke {	2435	sub nuke {
1639	my ($self) = @_;	2436	my ($self) = @_;
1640		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1641	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1642		2442
1643	$self->unlink_save;	2443	$self->unlink_save;
1644		2444
1645	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1646	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2450
1651	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1652		2453
1653	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1654	}	2491	}
1655		2492
1656	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1657		2494
1658	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2496	instantiated unique items. May block.
1660		2497
1661	=cut	2498	=cut
1662		2499
1663	sub unique_maps() {	2500	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1665	or return;	2502	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2503	utf8::decode $_;
1671	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2506	? ()
1674	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2509	]
1676
1677	\@paths
1678	}	2510	}
1679		2511
1680	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1681		2543
1682	=back	2544	=back
1683		2545
1684	=head3 cf::object	2546	=head3 cf::object
1685		2547
…		…
1689		2551
1690	=over 4	2552	=over 4
1691		2553
1692	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1693		2555
1694	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1695		2558
1696	=cut	2559	=cut
1697		2560
1698	sub inv_recursive_;	2561	sub inv_recursive_;
1699	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1702		2565
1703	sub inv_recursive {	2566	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1705	}	2568	}
1706		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1707	package cf;	2598	package cf;
1708		2599
1709	=back	2600	=back
1710		2601
1711	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1720		2611
1721	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1722		2627
1723	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2629	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1728		2633
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2635
1731	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1733	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1736	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1737	}	2661	}
1738		2662
1739	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1740		2664
1741	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1754		2678
1755	=item $player_object->enter_link	2679	=item $player_object->enter_link
1756		2680
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2682
1759	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1761		2687
1762	Will never block.	2688	Will never block.
1763		2689
1764	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1765		2691
…		…
1785	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1786	my ($self) = @_;	2712	my ($self) = @_;
1787		2713
1788	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1789		2715
		2716	++$self->{_link_recursion};
		2717
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2719
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1794		2722
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1796	}	2724	}
1797		2725
1798	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1800		2730
1801	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1802		2732
1803	unless ($map) {	2733	unless ($map) {
1804	# restore original map position	2734	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1817		2747
1818	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1821		2751
1822	$map->load;	2752	$map->load;
1823	$map->load_diag;
1824		2753
1825	return unless $self->contr->active;	2754	return unless $self->contr->active;
		2755
		2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2757	if ($self->enter_map ($map, $x, $y)) {
		2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2761	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}
1829
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2762	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2763
1844	# try to abort aborted map switching on player login :)	2764	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2765
1862	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1864	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1865		2780
1866	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2792
1869	$self->enter_link;	2793	$self->enter_link;
1870		2794
1871	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1872	my $map = eval {	2817	my $map = eval {
1873	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1875	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2833	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1880	})->prio (1);	2841	})->prio (1);
1881	}	2842	}
1882		2843
1883	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1884		2845
…		…
1904	}	2865	}
1905		2866
1906	sub prepare_random_map {	2867	sub prepare_random_map {
1907	my ($exit) = @_;	2868	my ($exit) = @_;
1908		2869
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2872	# that depends on the exit object
1914		2873
1915	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2876	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1922	}	2883	}
1923		2884
1924	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1925		2886
1926	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1929		2890
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2893	undef $fh;
1933	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1934		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1937	}	2902	}
1938	}	2903	}
1939		2904
1940	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1942		2907
1943	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1944		2909
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2910	$self->enter_link;
1955		2911
1956	(async {	2912	(async {
1957	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1958	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1959	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1960		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1961	1;	2951	1
1962	}) {	2952	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2957
1968	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2959	$self->leave_link;
1970	}	2960	}
1971	})->prio (1);	2961	})->prio (1);
1972	}	2962	}
1973		2963
…		…
1984		2974
1985	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1987		2977
1988	utf8::encode $text;	2978	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2980	}
1991		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
1992		3203
1993	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1994		3205
1995	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3209
1999	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3211	become reliable at some point in the future.
2001		3212
2002	=cut	3213	=cut
2003		3214
2004	sub cf::client::query {	3215	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3224	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3226
2016	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2018	}	3231	}
2019		3232
2020	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2021	on_reply => sub {	3239	on_reply => sub {
2022	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2023		3241
2024	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2025	# get handled first	3243	# get handled first
…		…
2037	} else {	3255	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3257	}
2040	}	3258	}
2041	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2042	);	3286	);
2043		3287
2044	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2045		3289
2046	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3306
2063	$coro	3307	$coro
2064	}	3308	}
2065		3309
2066	cf::client->attach (	3310	cf::client->attach (
2067	on_destroy => sub {	3311	on_client_destroy => sub {
2068	my ($ns) = @_;	3312	my ($ns) = @_;
2069		3313
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3315	},
2072	);	3316	);
…		…
2087	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2089		3333
2090	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2091		3335
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2093		3341
2094	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2095		3343
2096	=pod	3344	=pod
2097		3345
2098	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2099		3347
2100	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2101	cf::object::player player	3353	cf::object::player
2102	cf::player peaceful	3354	player
2103	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2104		3361
2105	=cut	3362	=cut
2106		3363
2107	for (	3364	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2112	) {	3371	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3374	for @funs;
2117	}	3375	}
2118		3376
…		…
2133		3391
2134	my $qcode = $code;	3392	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2137		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2138	local $_;	3399	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3400
2141	my $eval =	3401	my $eval =
2142	"do {\n"	3402	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3405	. $code
2146	. "\n}"	3406	. "\n}"
2147	;	3407	;
2148		3408
		3409	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2152		3418
2153	if ($@) {	3419	if ($@) {
2154	warn "$@";	3420	warn "$@",
2155	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2157	}	3423	}
2158		3424
2159	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2160	}	3426	}
2161		3427
…		…
2175	=cut	3441	=cut
2176		3442
2177	sub register_script_function {	3443	sub register_script_function {
2178	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2179		3445
2180	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2182	}	3448	}
2183		3449
2184	=back	3450	=back
2185		3451
2186	=cut	3452	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3453
2260	#############################################################################	3454	#############################################################################
2261	# the server's init and main functions	3455	# the server's init and main functions
2262		3456
		3457	sub load_facedata($) {
		3458	my ($path) = @_;
		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
		3466	trace "loading facedata from $path\n";
		3467
		3468	my $facedata = decode_storable load_file $path;
		3469
		3470	$facedata->{version} == 2
		3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
		3482	{
		3483	my $faces = $facedata->{faceinfo};
		3484
		3485	while (my ($face, $info) = each %$faces) {
		3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
		3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
		3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496
		3497	while (my ($face, $info) = each %$faces) {
		3498	next unless $info->{smooth};
		3499
		3500	my $idx = cf::face::find $face
		3501	or next;
		3502
		3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
2263	sub load_resources {	3555	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3571	or die "unable to load regions file\n";
2266	}
2267		3572
2268	sub cfg_load {	3573	for (cf::region::list) {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3574	$_->{match} = qr/$_->{match}/
2270	or return;	3575	if exists $_->{match};
		3576	}
		3577	}
2271		3578
2272	local $/;	3579	sub reload_facedata {
2273	*CFG = YAML::Syck::Load <$fh>;	3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
2274		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2276		3636
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2279		3639
2280	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2284	};	3644	};
2285	warn $@ if $@;	3645	warn $@ if $@;
2286	}	3646	}
2287	}	3647	}
2288		3648
2289	sub init {	3649	sub pidfile() {
2290	load_resources;	3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3675	}
2292		3676
2293	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2294	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3690	(async {
2298	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2300	};	3694	};
2301		3695
2302	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2303	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2304	load_extensions;	3719	load_extensions;
2305		3720
2306	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2308	}	3739	}
2309		3740
2310	#############################################################################	3741	#############################################################################
2311	# initialisation and cleanup	3742	# initialisation and cleanup
2312		3743
2313	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2314	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2323	},
2324	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2325	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2326	}	3840	}
2327		3841
2328	sub emergency_save() {	3842	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2330		3844
2331	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2332		3851
2333	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2334	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3863	$pl->save;
2342	}	3864	}
2343	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2344		3866
2345	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3872	$map->valid or next;
2349	$map->save;	3873	$map->save;
2350	}	3874	}
2351	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2352		3876
2353	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3905	};
2357		3906
2358	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2359	}	3908	}
2360		3909
2361	sub post_cleanup {	3910	sub post_cleanup {
2362	my ($make_core) = @_;	3911	my ($make_core) = @_;
2363		3912
		3913	IO::AIO::flush;
		3914
2364	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3916	if $make_core;
2366	}
2367		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2368	sub reload() {	3947	sub do_reload_perl() {
2369	# can/must only be called in main	3948	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2371	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2372	return;	3951	return;
2373	}	3952	}
2374		3953
2375	warn "reloading...";	3954	return if $RELOAD++;
2376		3955
2377	warn "cancelling server ticker";	3956	my $t1 = AE::time;
2378	$TICK_WATCHER->cancel;
2379		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
		3964	cf::sync_job {
2380	cf::emergency_save;	3965	#cf::emergency_save;
2381		3966
2382	eval {
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3969	%EXT_CORO = ();
2405		3970
2406	warn "removing commands";	3971	trace "perl_reload: removing commands";
2407	%COMMAND = ();	3972	%COMMAND = ();
2408		3973
2409	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2410	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2411		3977
2412	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2415		3981
2416	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3983	eval {
2418	$cb->($pkg);	3984	$cb->($pkg);
2419	1	3985	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2421	}	3991	}
2422		3992
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3996
2431	warn "... unloading $k";	3997	trace "... unloading $k";
2432	delete $INC{$k};	3998	delete $INC{$k};
2433		3999
2434	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2436		4002
2437	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2439	}	4008	}
2440		4009
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		4013
2448	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		4017
2451	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2452	# and global variables created in xs	4019	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2454		4021
2455	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2456		4023
2457	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2458	require cf;	4025	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2460		4027
2461	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2462	cf::cfg_load;	4029	cf::reload_config;
2463		4030
2464	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2465	cf::load_extensions;	4032	cf::load_extensions;
2466		4033
		4034	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2468	_global_reattach;	4036	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2470	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
		4039	trace "perl_reload: reattaching attachments to players";
		4040	reattach $_ for values %PLAYER;
		4041	}
2471		4042
2472	warn "loading reloadable resources";	4043	cf::_post_init 1;
2473	load_resources;
2474		4044
2475	warn "restarting server ticker";	4045	trace "perl_reload: leaving sync_job";
2476		4046
2477	$TICK_WATCHER->start;	4047	1
		4048	} or do {
		4049	error $@;
		4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2478	};	4073	};
2479		4074	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		4075
2491	register_command "reload" => sub {	4076	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2493		4078
2494	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2496		4081	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	4083	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	4084	};
2509	}	4085	}
2510	};	4086	};
2511		4087
2512	unshift @INC, $LIBDIR;	4088	#############################################################################
2513		4089
2514	my $bug_warning = 0;	4090	my $bug_warning = 0;
2515		4091
2516	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2517	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2518	parked => 1,	4094
2519	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2520	at => $NEXT_TICK || $TICK,	4096	}
2521	data => WF_AUTOCANCEL,	4097
2522	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2523	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2526	return;	4110	return;
		4111	}
		4112
		4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4116
		4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
		4121	write_runtime_sync
		4122	or error "ERROR: unable to write runtime file: $!";
2527	}	4123	};
		4124	}
2528		4125
2529	$NOW = Event::time;	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2530		4127	$sig->send;
2531	cf::server_tick; # one server iteration	4128	}
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534
2535	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537		4130
2538	Event::sweep;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2539	Coro::cede_notself;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
2540		4139	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	4140	}
2550	);	4141	}
2551		4142
2552	{	4143	{
2553	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	4145
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2563		4147	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		4149
2579	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		4157
2582	cf::sync_job {	4158	cf::sync_job {
2583	eval {	4159	eval {
2584	BDB::db_env_open	4160	BDB::db_env_open
2585	$DB_ENV,	4161	$DB_ENV,
2586	$BDB_ENV_DIR,	4162	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	4165	0666;
2590		4166
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	4168	};
2596		4169
2597	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	4171	};
2599	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2600	}	4183	}
2601		4184
2602	{	4185	{
		4186	# configure IO::AIO
		4187
2603	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4191	}
2616		4192
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4193	our $_log_backtrace;
2618	reentrant => 0,	4194	our $_log_backtrace_last;
2619	data => WF_AUTOCANCEL,	4195
2620	after => 1,	4196	sub _log_backtrace {
2621	interval => 10,	4197	my ($msg, @addr) = @_;
2622	prio => 6, # keep it lowest so it acts like a watchdog	4198
2623	cb => Coro::unblock_sub {	4199	$msg =~ s/\n$//;
2624	write_runtime	4200
2625	or warn "ERROR: unable to write runtime file: $!";	4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2626	},	4237	}
2627	);	4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2628		4243
2629	END { cf::emergency_save }	4244	END { cf::emergency_save }
2630		4245
2631	1	4246	1
2632		4247

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