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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	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.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	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
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	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	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		325
194	# 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
195	# within the Safe compartment.	327	# within the Safe compartment.
196	for my $pkg (qw(	328	for my $pkg (qw(
197	cf::global cf::attachable	329	cf::global cf::attachable
198	cf::object cf::object::player	330	cf::object cf::object::player
199	cf::client cf::player	331	cf::client cf::player
200	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
201	cf::map cf::party cf::region	334	cf::party cf::region
202	)) {	335	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	337	}
206		338
207	$Event::DIED = sub {	339	$EV::DIED = sub {
208	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
209	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
210		349
211	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
212		351
213	=over 4	352	=over 4
214		353
…		…
233	$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;
234	$d	373	$d
235	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
236	}	375	}
237		376
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
239		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
240	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
241		392
242	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
243		394
244	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
245		396
246	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
247		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		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	}
		466	}
		467
248	=item cf::lock_wait $string	468	=item cf::lock_wait $string
249		469
250	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
251		471
252	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
253		473
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
257	returned.	477	returned.
258		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
259	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
260	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
261		484
262	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
263		486
264	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
265		488
266	=cut	489	=cut
267		490
268	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
269		492
270	sub lock_wait($) {	493	sub lock_wait($) {
271	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	495	}
279		496
280	sub lock_acquire($) {	497	sub lock_acquire($) {
281	my ($key) = @_;	498	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	499	}
293		500
294	sub lock_active($) {	501	sub lock_active($) {
295	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	503	}
299		504
300	sub freeze_mainloop {	505	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
302		507
303	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
305	};	578	}
306	$TICK_WATCHER->stop;	579	};
307	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
308	}	594	}
309		595
310	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
311		597
312	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		603
318	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
319		605
320	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
321		607
322	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
323	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
324	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.
325		612
326	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
327	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
328	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
329	fast or be very important.	616	fast or be very important.
…		…
331	=cut	618	=cut
332		619
333	sub sync_job(&) {	620	sub sync_job(&) {
334	my ($job) = @_;	621	my ($job) = @_;
335		622
336	if ($Coro::current == $Coro::main) {	623	if (in_main) {
337	my $time = Event::time;	624	my $time = AE::time;
338		625
339	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
341		628
342	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	630
344	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
345		632
346	my $busy = 1;	633	my $busy = 1;
347	my @res;	634	my @res;
348		635
349	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	638	@res = eval { $job->() };
351	warn $@ if $@;	639	error $@ if $@;
352	undef $busy;	640	undef $busy;
353	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
354		642
355	while ($busy) {	643	while ($busy) {
356	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
357	}	648	}
		649	}
358		650
359	$time = Event::time - $time;	651	my $time = AE::time - $time;
360		652
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
365		654
366	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
367	} else {	656	} else {
368	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
369		658
…		…
389	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
390		679
391	$coro	680	$coro
392	}	681	}
393		682
394	sub write_runtime {	683	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		684
397	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		689
400	IO::AIO::aio_utime $runtime, undef, undef;	690	=cut
401		691
402	my $guard = cf::lock_acquire "write_runtime";	692	sub post_fork {
		693	reset_signals;
		694	}
403		695
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	696	sub fork_call(&@) {
405	or return;	697	my ($cb, @args) = @_;
406		698
407	my $value = $cf::RUNTIME + 90 + 10;	699	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	700	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	701	# TODO: investigate and fix (likely this will be rather laborious)
410		702
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	703	my @res = Coro::Util::fork_eval {
412	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
413		707
414	# always fsync - this file is important	708	wantarray ? @res : $res[-1]
415	aio_fsync $fh	709	}
416	and return;
417		710
418	# touch it again to show we are up-to-date	711	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	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"
430	}	875	}
431		876
432	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
433		878
434	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
435		880
436	=cut	881	=cut
437		882
438	sub datalog($@) {	883	sub datalog($@) {
439	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	886	}
442		887
443	=back	888	=back
444		889
445	=cut	890	=cut
446		891
447	#############################################################################	892	#############################################################################
448		893
449	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
450		895
451	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
452	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")
453	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
454		899
455	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>
456	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
457	crossfire+).	902	Deliantra).
458		903
459	=over 4	904	=over 4
460		905
461	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
462		907
…		…
506	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
507		952
508	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
509	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
510		955
511	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		958
514	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
515		960
516	=over 4	961	=over 4
…		…
640		1085
641	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1088
644	} elsif (ref $type) {	1089	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
646		1091
647	} else {	1092	} else {
648	shift @arg;	1093	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
650	}	1095	}
651	}	1096	}
652	}	1097	}
653		1098
654	sub _object_attach {	1099	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
665	}	1110	}
666		1111
667	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
668	} else {	1113	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1115	}
671		1116
672	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
673	}	1118	}
674		1119
…		…
714	";	1159	";
715	die if $@;	1160	die if $@;
716	}	1161	}
717		1162
718	our $override;	1163	our $override;
719	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?
720		1165
721	sub override {	1166	sub override {
722	$override = 1;	1167	$override = 1;
723	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
724	}	1169	}
725		1170
726	sub do_invoke {	1171	sub do_invoke {
727	my $event = shift;	1172	my $event = shift;
728	my $callbacks = shift;	1173	my $callbacks = shift;
729		1174
730	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
731		1176
732	local $override;	1177	local $override;
733		1178
734	for (@$callbacks) {	1179	for (@$callbacks) {
735	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
736		1181
737	if ($@) {	1182	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1184	override;
741	}	1185	}
742		1186
743	return 1 if $override;	1187	return 1 if $override;
744	}	1188	}
745		1189
746	0	1190	0
747	}	1191	}
748		1192
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1194
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1196
753	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
754		1198
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1202
759	=back	1203	=back
760		1204
761	=cut	1205	=cut
762		1206
763	#############################################################################	1207	#############################################################################
764	# 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	}
765		1251
766	sub reattach {	1252	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1254	my ($obj) = @_;
769		1255
		1256	# no longer needed after getting rid of delete_package?
770	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
771		1258
772	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
773		1260
774	@$registry = ();	1261	@$registry = ();
775		1262
…		…
780	for (@$attach) {	1267	for (@$attach) {
781	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
783	}	1270	}
784	} else {	1271	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1273	}
787	}	1274	}
788	}	1275	}
789		1276
790	cf::attachable->attach (	1277	cf::attachable->attach (
791	prio => -1000000,	1278	prio => -1000000,
792	on_instantiate => sub {	1279	on_instantiate => sub {
793	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
794		1281
795	$data = from_json $data;	1282	$data = decode_json $data;
796		1283
797	for (@$data) {	1284	for (@$data) {
798	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
799		1286
800	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1303	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
818		1305
819	sync_job {	1306	sync_job {
820	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
823		1312
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1320	aio_close $fh;
829		1321
830	if (@$objs) {	1322	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1331	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
838	}	1333	}
839	} else {	1334	} else {
840	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
841	}	1336	}
842		1337
843	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1342	} else {
845	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
846	}	1344	}
847	} else {	1345	} else {
848	aio_unlink $filename;	1346	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
850	}	1348	}
851	}	1349	};
852	}	1350	}
853		1351
854	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
856		1354
…		…
868	or return;	1366	or return;
869		1367
870	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
872	or return;	1370	or return;
		1371
873	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
874	}	1374	}
875		1375
		1376	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
878	return ($data, $av);	1381	($data, $av)
879	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
880		1389
881	#############################################################################	1390	#############################################################################
882	# command handling &c	1391	# command handling &c
883		1392
884	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1407	}
899		1408
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1410
902	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.
903		1416
904	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
905	called.	1418	called.
906		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
907	=cut	1431	=cut
908		1432
909	sub register_extcmd {	1433	sub register_extcmd {
910	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
911		1435
912	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
913	}	1437	}
914		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
915	cf::player->attach (	1447	cf::player->attach (
916	on_command => sub {	1448	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
918		1450
919	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
920	or return;	1452	or return;
921		1453
…		…
926	cf::override;	1458	cf::override;
927	},	1459	},
928	on_extcmd => sub {	1460	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
930		1462
931	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1464
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
939	} else {	1480	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1482	}
942		1483
943	cf::override;	1484	cf::override;
944	},	1485	},
945	);	1486	);
946		1487
		1488	# "readahead" all extensions
947	sub load_extension {	1489	sub cache_extensions {
948	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
949		1491
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1495	}
975	die $@;
976	}	1496	};
977		1497
978	push @EXTS, $pkg;	1498	$grp
979	}	1499	}
980		1500
981	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
982	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1508	next unless -r $path;
984	eval {	1509
985	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	}
986	1	1573	}
987	} 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	}
988	}	1586	};
989	}	1587	}
990		1588
991	#############################################################################	1589	#############################################################################
992		1590
		1591	=back
		1592
993	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
994		1594
995	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
996		1596
997	=cut	1597	=cut
998		1598
999	package cf::player;	1599	package cf::player;
1000		1600
1001	use Coro::AIO;	1601	use Coro::AIO;
1002		1602
1003	=head3 cf::player	1603	=head3 cf::player
1004		1604
1005	=over 4	1605	=over 4
		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	}
1006		1620
1007	=item cf::player::find $login	1621	=item cf::player::find $login
1008		1622
1009	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1010		1624
…		…
1029		1643
1030	sub exists($) {	1644	sub exists($) {
1031	my ($login) = @_;	1645	my ($login) = @_;
1032		1646
1033	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1035	}	1649	}
1036		1650
1037	sub find($) {	1651	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1653	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1664
1051	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1054	}	1674	}
1055	}	1675	}
1056	}	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	);
1057		1690
1058	sub save($) {	1691	sub save($) {
1059	my ($pl) = @_;	1692	my ($pl) = @_;
1060		1693
1061	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1067		1700
1068	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1072	Coro::cede;	1710	cf::cede_to_tick;
1073	}	1711	}
1074		1712
1075	sub new($) {	1713	sub new($) {
1076	my ($login) = @_;	1714	my ($login) = @_;
1077		1715
…		…
1083	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1084		1722
1085	$self	1723	$self
1086	}	1724	}
1087		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
1088	=item $pl->quit_character	1736	=item $pl->quit_character
1089		1737
1090	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
1091	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1092		1740
…		…
1096	my ($pl) = @_;	1744	my ($pl) = @_;
1097		1745
1098	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1099		1747
1100	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1101	$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
1102		1750
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1106	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1107		1759
1108	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1145	or return [];	1797	or return [];
1146		1798
1147	my @logins;	1799	my @logins;
1148		1800
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1153		1811
1154	utf8::decode $login;	1812	utf8::decode $login;
1155	push @logins, $login;	1813	push @logins, $login;
1156	}	1814	}
1157		1815
1158	\@logins	1816	\@logins
1159	}	1817	}
1160		1818
1161	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1162		1822
1163	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1164	player. May block.	1824	player. May block.
1165		1825
1166	=cut	1826	=cut
…		…
1184	}	1844	}
1185		1845
1186	\@paths	1846	\@paths
1187	}	1847	}
1188		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1189	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1190		1854
1191	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1192		1856
1193	=cut	1857	=cut
1194		1858
1195	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1197		1861
1198	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1863	}
1202		1864
1203	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1204		1866
1205	Sends an ext event to the client.	1867	Sends an ext event to the client.
1206		1868
1207	=cut	1869	=cut
1208		1870
1209	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1211		1873
1212	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1213	}	1875	}
1214		1876
1215	=head3 cf::region	1877	=head3 cf::region
1216		1878
1217	=over 4	1879	=over 4
…		…
1220		1882
1221	package cf::region;	1883	package cf::region;
1222		1884
1223	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1224		1886
1225	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1226		1888
1227	=cut	1889	=cut
1228		1890
1229	sub find_by_path($) {	1891	sub find_by_path($) {
1230	my ($path) = @_;	1892	my ($path) = @_;
1231		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1232	my ($match, $specificity);	1896	my ($match, $specificity);
1233		1897
1234	for my $region (list) {	1898	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1238	}	1902	}
1239	}	1903	}
1240		1904
…		…
1261	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1263		1927
1264	sub generate_random_map {	1928	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1267	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1934	}
1281		1935
1282	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1283		1937
1284	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
…		…
1289		1943
1290	sub register {	1944	sub register {
1291	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1946	my $pkg = caller;
1293		1947
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1949
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1951	}
1299		1952
1300	# also paths starting with '/'	1953	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1955
1303	sub thawer_merge {	1956	sub thawer_merge {
1304	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1305		1958
1306	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1307	local $self->{path};	1960	local $self->{path};
1308	local $self->{load_path};	1961	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1962
1312	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1313	}	1964	}
1314		1965
1315	sub normalise {	1966	sub normalise {
1316	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1317		1968
1318	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1319		1970
1320	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1321		1972
1322	# map plan:	1973	# map plan:
1323	#	1974	#
…		…
1338	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	1990	$path = "$base/$path";
1340	}	1991	}
1341		1992
1342	for ($path) {	1993	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1346	}	1996	}
1347		1997
1348	$path	1998	$path
…		…
1362	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1363	return $self;	2013	return $self;
1364	}	2014	}
1365	}	2015	}
1366		2016
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2018	()
1369	}	2019	}
1370		2020
		2021	# may re-bless or do other evil things
1371	sub init {	2022	sub init {
1372	my ($self) = @_;	2023	my ($self) = @_;
1373		2024
1374	$self	2025	$self
1375	}	2026	}
…		…
1394		2045
1395	# the temporary/swap location	2046	# the temporary/swap location
1396	sub save_path {	2047	sub save_path {
1397	my ($self) = @_;	2048	my ($self) = @_;
1398		2049
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1401	}	2052	}
1402		2053
1403	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1404	sub uniq_path {	2055	sub uniq_path {
1405	my ($self) = @_;	2056	my ($self) = @_;
1406		2057
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1409	}	2060	}
1410		2061
1411	# and all this just because we cannot iterate over	2062	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2063	my ($self) = @_;
1415		2064
1416	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1418	}	2068	}
1419		2069
1420	sub unlink_save {	2070	sub unlink_save {
1421	my ($self) = @_;	2071	my ($self) = @_;
1422		2072
…		…
1427		2077
1428	sub load_header_from($) {	2078	sub load_header_from($) {
1429	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1430		2080
1431	utf8::encode $path;	2081	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2083	or return;
1437		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1438	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1439		2092
1440	1	2093	1
1441	}	2094	}
1442		2095
		2096	# used to laod the header of an original map
1443	sub load_header_orig {	2097	sub load_header_orig {
1444	my ($self) = @_;	2098	my ($self) = @_;
1445		2099
1446	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1447	}	2101	}
1448		2102
		2103	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2104	sub load_header_temp {
1450	my ($self) = @_;	2105	my ($self) = @_;
1451		2106
1452	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1453	}	2108	}
1454		2109
		2110	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2111	sub prepare_temp {
1456	my ($self) = @_;	2112	my ($self) = @_;
1457		2113
1458	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1460	# safety	2116	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2119	}
1464		2120
		2121	# called after loading the header from an original map
1465	sub prepare_orig {	2122	sub prepare_orig {
1466	my ($self) = @_;	2123	my ($self) = @_;
1467		2124
1468	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2137	$self->load_header_orig
1481	or return;	2138	or return;
1482	$self->prepare_orig;	2139	$self->prepare_orig;
1483	}	2140	}
1484		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1485	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2146	unless $self->default_region;
1487		2147
1488	1	2148	1
1489	}	2149	}
1490		2150
1491	sub find;	2151	sub find;
1492	sub find {	2152	sub find {
1493	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1494		2154
		2155	cf::cede_to_tick;
		2156
1495	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1496		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2161
1499	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1502	or return;	2164	or return;
1503		2165
1504	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1505		2167
1506	$map->load_header	2168	$map->load_header
1507	or return;	2169	or return;
1508		2170
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1512	$map->reset;	2176	$map->reset;
1513	undef $guard;
1514	return find $path;	2177	return find $path;
1515	}	2178	}
1516		2179
1517	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1518	}	2181	}
1519	}	2182	}
1520		2183
1521	sub pre_load { }	2184	sub pre_load { }
1522	sub post_load { }	2185	#sub post_load { } # XS
1523		2186
1524	sub load {	2187	sub load {
1525	my ($self) = @_;	2188	my ($self) = @_;
1526		2189
1527	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1528		2191
1529	my $path = $self->{path};	2192	my $path = $self->{path};
1530		2193
1531	{	2194	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1533		2196
		2197	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2199
1538	$self->alloc;	2200	$self->alloc;
1539		2201
1540	$self->pre_load;	2202	$self->pre_load;
1541	Coro::cede;	2203	cf::cede_to_tick;
1542		2204
1543	$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)
1544	or return;	2209	or return;
1545		2210
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1547	if delete $self->{load_original};	2212	if delete $self->{load_original};
1548		2213
1549	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2215	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2218	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1554	}	2223	}
1555	}
1556		2224
1557	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1558	# now do the right thing for maps	2234	# now do the right thing for maps
1559	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2237	unless $self->difficulty;
1562	Coro::cede;	2238	cf::cede_to_tick;
1563		2239
1564	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2241	$self->decay_objects;
1566	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1567	$self->update_buttons;	2243	$self->update_buttons;
1568	Coro::cede;	2244	cf::cede_to_tick;
1569	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2246	}
1573		2247
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1575	}	2250	}
1576		2251
1577	$self->post_load;	2252	$self->post_load;
1578	}
1579		2253
		2254	1
		2255	}
		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
1580	sub customise_for {	2260	sub customise_for {
1581	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1582		2262
1583	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2264	if $self->per_player;
1585		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1586	$self	2269	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2270	}
1612		2271
1613	sub find_sync {	2272	sub find_sync {
1614	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1615		2274
1616	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
1617	}	2280	}
1618		2281
1619	sub do_load_sync {	2282	sub do_load_sync {
1620	my ($map) = @_;	2283	my ($map) = @_;
1621		2284
1622	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;
1623	}	2290	}
1624		2291
1625	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1627		2294
1628	sub find_async {	2295	sub find_async {
1629	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1630		2297
1631	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1632		2299
1633	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1635	}	2302	}
1636		2303
1637	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1638	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1639	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2311	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2312	$map->load if $v;
		2313	}
1644		2314
1645	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1646	}	2316	}
1647	}	2317	}
1648	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1649	};	2319	};
1650	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1651		2321
1652	()	2322	()
1653	}	2323	}
1654		2324
		2325	# common code, used by both ->save and ->swapout
1655	sub save {	2326	sub _save {
1656	my ($self) = @_;	2327	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2328
1660	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1661		2330
1662	return unless $self->dirty;	2331	return unless $self->dirty;
1663		2332
…		…
1669	return if $self->{deny_save};	2338	return if $self->{deny_save};
1670		2339
1671	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1672		2341
1673	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1675	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1676		2348
1677	if ($uniq) {	2349	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2352	} else {
1681	$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);
1682	}	2354	}
1683	}	2355	}
1684		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1685	sub swap_out {	2365	sub swap_out {
1686	my ($self) = @_;	2366	my ($self) = @_;
1687		2367
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1693	return if $self->players;	2372	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2383	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2384	}
1700		2385
1701	sub reset_at {	2386	sub reset_at {
1702	my ($self) = @_;	2387	my ($self) = @_;
1703		2388
1704	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1707		2391
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	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;
1710		2394
…		…
1721	my ($self) = @_;	2405	my ($self) = @_;
1722		2406
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2408
1725	return if $self->players;	2409	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2410
1728	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1729		2412
1730	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1731		2414
1732	# need to save uniques path	2415	# need to save uniques path
1733	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2418
…		…
1737	if $uniq;	2420	if $uniq;
1738	}	2421	}
1739		2422
1740	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1741		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2427	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2428
1746	$self->unlink_save;	2429	$self->unlink_save;
1747	$self->destroy;	2430	$self->destroy;
1748	}	2431	}
1749		2432
1750	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1751		2434
1752	sub nuke {	2435	sub nuke {
1753	my ($self) = @_;	2436	my ($self) = @_;
1754		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1755	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1756		2442
1757	$self->unlink_save;	2443	$self->unlink_save;
1758		2444
1759	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2450
1765	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1766		2453
1767	$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	]
1768	}	2491	}
1769		2492
1770	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1771		2494
1772	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2496	instantiated unique items. May block.
1774		2497
1775	=cut	2498	=cut
1776		2499
1777	sub unique_maps() {	2500	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2501	[
1779	or return;	2502	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2503	utf8::decode $_;
1785	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2506	? ()
1788	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2509	]
1790
1791	\@paths
1792	}	2510	}
1793		2511
1794	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	}
1795		2543
1796	=back	2544	=back
1797		2545
1798	=head3 cf::object	2546	=head3 cf::object
1799		2547
…		…
1803		2551
1804	=over 4	2552	=over 4
1805		2553
1806	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1807		2555
1808	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.
1809		2558
1810	=cut	2559	=cut
1811		2560
1812	sub inv_recursive_;	2561	sub inv_recursive_;
1813	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1816		2565
1817	sub inv_recursive {	2566	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1819	}	2568	}
1820		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
1821	package cf;	2598	package cf;
1822		2599
1823	=back	2600	=back
1824		2601
1825	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1834		2611
1835	=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	};
1836		2627
1837	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2629	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1842		2633
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2635
1845	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1850	}	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 (@_);
1851	}	2661	}
1852		2662
1853	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1854		2664
1855	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1868		2678
1869	=item $player_object->enter_link	2679	=item $player_object->enter_link
1870		2680
1871	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}>).
1872		2682
1873	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.
1874	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.
1875		2687
1876	Will never block.	2688	Will never block.
1877		2689
1878	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1879		2691
…		…
1899	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2712	my ($self) = @_;
1901		2713
1902	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1903		2715
		2716	++$self->{_link_recursion};
		2717
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2719
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
1908		2722
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2724	}
1911		2725
1912	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
1914		2728
…		…
1931	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1933		2747
1934	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1937		2751
1938	$map->load;	2752	$map->load;
1939	$map->load_diag;
1940		2753
1941	return unless $self->contr->active;	2754	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2755
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1946	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
1947		2763
		2764	}
		2765
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2767
1950	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	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 >>.
1954		2776
1955	=cut	2777	=cut
1956		2778
1957	our $GOTOGEN;	2779	our $GOTOGEN;
1958		2780
1959	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	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	}
1961		2789
1962	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2792
1965	$self->enter_link;	2793	$self->enter_link;
1966		2794
1967	(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
1968	my $map = eval {	2817	my $map = eval {
1969	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2819
1971	if ($map) {	2820	if ($map) {
1972	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2823	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2825	}
1977		2826
1978	$map	2827	$map
1979	};	2828	};
1980		2829
…		…
1985		2834
1986	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
1989	}	2838	}
		2839
		2840	$done->($self) if $done;
1990	})->prio (1);	2841	})->prio (1);
1991	}	2842	}
1992		2843
1993	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1994		2845
…		…
2014	}	2865	}
2015		2866
2016	sub prepare_random_map {	2867	sub prepare_random_map {
2017	my ($exit) = @_;	2868	my ($exit) = @_;
2018		2869
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2872	# that depends on the exit object
2024		2873
2025	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2876	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2032	}	2883	}
2033		2884
2034	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2035		2886
2036	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2039		2890
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2893	undef $fh;
2043	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2044		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2047	}	2902	}
2048	}	2903	}
2049		2904
2050	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2052		2907
2053	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2054		2909
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2910	$self->enter_link;
2067		2911
2068	(async {	2912	(async {
2069	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2072		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
2073	1;	2951	1
2074	}) {	2952	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2957
2080	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2959	$self->leave_link;
2082	}	2960	}
2083	})->prio (1);	2961	})->prio (1);
2084	}	2962	}
2085		2963
…		…
2099		2977
2100	utf8::encode $text;	2978	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2980	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2105		3170
2106	Sends an exti event to the client.	3171	Sends an ext event to the client.
2107		3172
2108	=cut	3173	=cut
2109		3174
2110	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2112		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		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	}
2115	}	3202	}
2116		3203
2117	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2118		3205
2119	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3209
2123	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
2124	reliable at some point in the future.	3211	become reliable at some point in the future.
2125		3212
2126	=cut	3213	=cut
2127		3214
2128	sub cf::client::query {	3215	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3224	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3226
2140	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2142	}	3231	}
2143		3232
2144	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2145	on_reply => sub {	3239	on_reply => sub {
2146	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2147		3241
2148	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2149	# get handled first	3243	# get handled first
…		…
2161	} else {	3255	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3257	}
2164	}	3258	}
2165	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($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	},
2166	);	3286	);
2167		3287
2168	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2169		3289
2170	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3306
2187	$coro	3307	$coro
2188	}	3308	}
2189		3309
2190	cf::client->attach (	3310	cf::client->attach (
2191	on_destroy => sub {	3311	on_client_destroy => sub {
2192	my ($ns) = @_;	3312	my ($ns) = @_;
2193		3313
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3315	},
2196	);	3316	);
…		…
2211	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2213		3333
2214	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2215		3335
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2217		3341
2218	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2219		3343
2220	=pod	3344	=pod
2221		3345
2222	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2223		3347
2224	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2225	cf::object::player player	3353	cf::object::player
2226	cf::player peaceful	3354	player
2227	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2228		3361
2229	=cut	3362	=cut
2230		3363
2231	for (	3364	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2236	) {	3371	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3374	for @funs;
2241	}	3375	}
2242		3376
…		…
2257		3391
2258	my $qcode = $code;	3392	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2261		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2262	local $_;	3399	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3400
2265	my $eval =	3401	my $eval =
2266	"do {\n"	3402	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3405	. $code
2270	. "\n}"	3406	. "\n}"
2271	;	3407	;
2272		3408
		3409	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2276		3418
2277	if ($@) {	3419	if ($@) {
2278	warn "$@";	3420	warn "$@",
2279	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2281	}	3423	}
2282		3424
2283	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2284	}	3426	}
2285		3427
…		…
2299	=cut	3441	=cut
2300		3442
2301	sub register_script_function {	3443	sub register_script_function {
2302	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2303		3445
2304	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2306	}	3448	}
2307		3449
2308	=back	3450	=back
2309		3451
2310	=cut	3452	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3453
2484	#############################################################################	3454	#############################################################################
2485	# the server's init and main functions	3455	# the server's init and main functions
2486		3456
2487	sub load_facedata($) {	3457	sub load_facedata($) {
2488	my ($path) = @_;	3458	my ($path) = @_;
2489		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
2490	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2491		3467
2492	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3469
2498	$facedata->{version} == 2	3470	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3482	{
2502	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2503		3484
2504	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2510	}	3495	}
2511		3496
2512	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2514	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2515	or next;	3501	or next;
		3502
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3506	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3508	}
2521	Coro::cede;	3509
		3510	cf::cede_to_tick;
2522	}	3511	}
2523	}	3512	}
2524		3513
2525	{	3514	{
2526	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2527		3516
2528	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3519	cf::cede_to_tick;
2531	}	3520	}
2532		3521
2533	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2534	}	3523	}
2535		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
2536	1	3544	1
2537	}	3545	}
2538		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
		3555	sub load_resource_file($) {
		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
2539	sub reload_regions {	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
2540	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2542	}	3577	}
2543		3578
2544	sub reload_facedata {	3579	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3589	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2557	}	3592	}
2558		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
2559	sub reload_resources {	3614	sub reload_resources {
2560	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2561		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2562	reload_regions;	3622	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3623	reload_treasures;
2566		3624
2567	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2568	}	3626	}
2569		3627
2570	sub init {	3628	sub reload_config {
2571	reload_resources;	3629	trace "reloading config file...\n";
2572	}
2573		3630
2574	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2576	or return;	3633	*CFG = decode_yaml $config;
2577		3634
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3636
2583	$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};
2584	$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};
2585		3639
2586	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2590	};	3644	};
2591	warn $@ if $@;	3645	warn $@ if $@;
2592	}	3646	}
2593	}	3647	}
2594		3648
		3649	sub pidfile() {
		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;
		3675	}
		3676
2595	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
2596	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2598	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#
2599	(async {	3690	(async {
2600	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2602	};	3694	};
2603		3695
2604	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;
2605	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
2606	load_extensions;	3719	load_extensions;
2607		3720
2608	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2609	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	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2610	}	3738	}
2611		3739
2612	#############################################################################	3740	#############################################################################
2613	# initialisation and cleanup	3741	# initialisation and cleanup
2614		3742
2615	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2616	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2625	},
2626	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2627	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2628	}	3839	}
2629		3840
2630	sub emergency_save() {	3841	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2632		3843
2633	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2634		3850
2635	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2636	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3862	$pl->save;
2644	}	3863	}
2645	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2646		3865
2647	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3871	$map->valid or next;
2651	$map->save;	3872	$map->save;
2652	}	3873	}
2653	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2654		3875
2655	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3904	};
2659		3905
2660	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2661	}	3907	}
2662		3908
2663	sub post_cleanup {	3909	sub post_cleanup {
2664	my ($make_core) = @_;	3910	my ($make_core) = @_;
2665		3911
		3912	IO::AIO::flush;
		3913
2666	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2668	}	3944	}
2669		3945
2670	sub do_reload_perl() {	3946	sub do_reload_perl() {
2671	# can/must only be called in main	3947	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2673	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2674	return;	3950	return;
2675	}	3951	}
2676		3952
2677	warn "reloading...";	3953	return if $RELOAD++;
2678		3954
2679	warn "entering sync_job";	3955	my $t1 = AE::time;
2680		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2681	cf::sync_job {	3963	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3964	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3965
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3968	%EXT_CORO = ();
2710		3969
2711	warn "removing commands";	3970	trace "perl_reload: removing commands";
2712	%COMMAND = ();	3971	%COMMAND = ();
2713		3972
2714	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2716		3976
2717	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2720		3980
2721	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3982	eval {
2723	$cb->($pkg);	3983	$cb->($pkg);
2724	1	3984	1
2725	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2726	}	3990	}
2727		3991
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3995
2736	warn "... unloading $k";	3996	trace "... unloading $k";
2737	delete $INC{$k};	3997	delete $INC{$k};
2738		3998
2739	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2741		4001
2742	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2744	}	4007	}
2745		4008
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4012
2753	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4016
2757	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4018	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2760		4020
2761	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2762		4022
2763	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2764	require cf;	4024	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2766		4026
2767	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4028	cf::reload_config;
2769		4029
2770	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4031	cf::load_extensions;
2772		4032
		4033	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
2779		4041
2780	warn "leaving sync_job";	4042	cf::_post_init 1;
2781		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
2782	1	4046	1
2783	} or do {	4047	} or do {
2784	warn $@;	4048	error $@;
2785	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4050	};
		4051
		4052	--$RELOAD;
2787	};	4053	}
2788		4054
2789	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
2790	};	4057	};
2791		4058
2792	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
2793		4060
2794	sub reload_perl() {	4061	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
2797		4064
2798	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4067
2801	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4069	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
2805	},	4071	};
2806	);	4072	};
2807	}	4073	}
2808		4074
2809	register_command "reload" => sub {	4075	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2811		4077
2812	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4082	reload_perl;
		4083	};
2815	}	4084	}
2816	};	4085	};
2817		4086
2818	unshift @INC, $LIBDIR;	4087	#############################################################################
2819		4088
2820	my $bug_warning = 0;	4089	my $bug_warning = 0;
2821		4090
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4091	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4093
2829	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4095	}
2833		4096
2834	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4099
2838	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4102	$signal->wait;
2841	}	4103	}
2842		4104
2843	my $min = 1e6;#d#	4105	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
2855	return;	4109	return;
2856	}	4110	}
2857		4111
2858	$NOW = $tick_start = Event::time;	4112	cf::one_tick; # one server iteration
2859		4113
2860	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4115
2862	0 && sync_job {#d#	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4118	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4119	$Coro::current->{desc} = "runtime saver";
2866	or die;	4120	write_runtime_sync
2867		4121	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4122	};
		4123	}
2884		4124
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4126	$sig->send;
2901	}	4127	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4129
2906	$NOW = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4132
2917	_post_tick;	4133	if (0) {
2918		4134	if ($NEXT_TICK) {
2919		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
2920	},	4139	}
2921	);	4140	}
2922		4141
2923	{	4142	{
2924	BDB::max_poll_time $TICK * 0.1;	4143	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4144
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
2934		4146	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4147	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4148
2950	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4156
2953	cf::sync_job {	4157	cf::sync_job {
2954	eval {	4158	eval {
2955	BDB::db_env_open	4159	BDB::db_env_open
2956	$DB_ENV,	4160	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4164	0666;
2961		4165
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4167	};
2967		4168
2968	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4170	};
2970	}	4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
2971	}	4182	}
2972		4183
2973	{	4184	{
		4185	# configure IO::AIO
		4186
2974	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4190	}
2987		4191
2988	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
2989		4194
2990	sub _log_backtrace {	4195	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
2992		4197
2993	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
2994		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
2998	async {	4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
2999	my @bt = fork_call {	4211	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4215	or die "addr2line: $!";
…		…
3011	}	4223	}
3012		4224
3013	@funcs	4225	@funcs
3014	};	4226	};
3015		4227
3016	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4231	--$_log_backtrace;
3019	};	4232	};
3020	} else {	4233	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4236	}
3024	}	4237	}
3025		4238
3026	# load additional modules	4239	# load additional modules
3027	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3028		4242
3029	END { cf::emergency_save }	4243	END { cf::emergency_save }
3030		4244
3031	1	4245	1
3032		4246

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