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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	690	=cut
401	utime undef, undef, $fh;	691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
		696	sub fork_call(&@) {
		697	my ($cb, @args) = @_;
		698
		699	# we seemingly have to make a local copy of the whole thing,
		700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		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 $!;
402	}	779	};
		780	cf::cleanup "db_open(db): $@" if $@;
403		781
404	my $guard = cf::lock_acquire "write_runtime";	782	$db
		783	}
405		784
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	785	our $DB;
407	or return;
408		786
409	my $value = $cf::RUNTIME + 90 + 10;	787	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	788	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	789	}
412		790
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	791	sub db_get($$) {
414	and return;	792	my $key = "$_[0]/$_[1]";
415		793
416	# always fsync - this file is important	794	cf::error "db_get called from main context"
417	aio_fsync $fh	795	if $Coro::current == $Coro::main;
418	and return;
419		796
420	# touch it again to show we are up-to-date	797	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		798
423	close $fh	799	$! ? ()
424	or return;	800	: $data
		801	}
425		802
426	aio_rename "$runtime~", $runtime	803	sub db_put($$$) {
427	and return;	804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
428		807
429	warn "runtime file written.\n";#d#	808	=item cf::cache $id => [$paths...], $processversion => $process
430		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;
431	1	872	}
		873
		874	db_get cache => "$id/data"
432	}	875	}
433		876
434	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
435		878
436	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.
437		880
438	=cut	881	=cut
439		882
440	sub datalog($@) {	883	sub datalog($@) {
441	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	886	}
444		887
445	=back	888	=back
446		889
447	=cut	890	=cut
448		891
449	#############################################################################	892	#############################################################################
450		893
451	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
452		895
453	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
454	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")
455	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
456		899
457	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>
458	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
459	crossfire+).	902	Deliantra).
460		903
461	=over 4	904	=over 4
462		905
463	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
464		907
…		…
508	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
509		952
510	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
511	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
512		955
513	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		958
516	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
517		960
518	=over 4	961	=over 4
…		…
642		1085
643	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1088
646	} elsif (ref $type) {	1089	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
648		1091
649	} else {	1092	} else {
650	shift @arg;	1093	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
652	}	1095	}
653	}	1096	}
654	}	1097	}
655		1098
656	sub _object_attach {	1099	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
667	}	1110	}
668		1111
669	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
670	} else {	1113	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1115	}
673		1116
674	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
675	}	1118	}
676		1119
…		…
716	";	1159	";
717	die if $@;	1160	die if $@;
718	}	1161	}
719		1162
720	our $override;	1163	our $override;
721	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?
722		1165
723	sub override {	1166	sub override {
724	$override = 1;	1167	$override = 1;
725	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
726	}	1169	}
727		1170
728	sub do_invoke {	1171	sub do_invoke {
729	my $event = shift;	1172	my $event = shift;
730	my $callbacks = shift;	1173	my $callbacks = shift;
731		1174
732	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
733		1176
734	local $override;	1177	local $override;
735		1178
736	for (@$callbacks) {	1179	for (@$callbacks) {
737	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
738		1181
739	if ($@) {	1182	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1184	override;
743	}	1185	}
744		1186
745	return 1 if $override;	1187	return 1 if $override;
746	}	1188	}
747		1189
748	0	1190	0
749	}	1191	}
750		1192
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1194
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1196
755	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
756		1198
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1202
761	=back	1203	=back
762		1204
763	=cut	1205	=cut
764		1206
765	#############################################################################	1207	#############################################################################
766	# 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	}
767		1251
768	sub reattach {	1252	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1254	my ($obj) = @_;
771		1255
		1256	# no longer needed after getting rid of delete_package?
772	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
773		1258
774	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
775		1260
776	@$registry = ();	1261	@$registry = ();
777		1262
…		…
782	for (@$attach) {	1267	for (@$attach) {
783	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
785	}	1270	}
786	} else {	1271	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1273	}
789	}	1274	}
790	}	1275	}
791		1276
792	cf::attachable->attach (	1277	cf::attachable->attach (
793	prio => -1000000,	1278	prio => -1000000,
794	on_instantiate => sub {	1279	on_instantiate => sub {
795	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
796		1281
797	$data = from_json $data;	1282	$data = decode_json $data;
798		1283
799	for (@$data) {	1284	for (@$data) {
800	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
801		1286
802	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1303	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
820		1305
821	sync_job {	1306	sync_job {
822	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
825		1312
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1320	aio_close $fh;
831		1321
832	if (@$objs) {	1322	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1331	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
840	}	1333	}
841	} else {	1334	} else {
842	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
843	}	1336	}
844		1337
845	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1342	} else {
847	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
848	}	1344	}
849	} else {	1345	} else {
850	aio_unlink $filename;	1346	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
852	}	1348	}
853	}	1349	};
854	}	1350	}
855		1351
856	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
858		1354
…		…
870	or return;	1366	or return;
871		1367
872	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
874	or return;	1370	or return;
		1371
875	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
876	}	1374	}
877		1375
		1376	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
880	return ($data, $av);	1381	($data, $av)
881	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
882		1389
883	#############################################################################	1390	#############################################################################
884	# command handling &c	1391	# command handling &c
885		1392
886	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1407	}
901		1408
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1410
904	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.
905		1416
906	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
907	called.	1418	called.
908		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
909	=cut	1431	=cut
910		1432
911	sub register_extcmd {	1433	sub register_extcmd {
912	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
913		1435
914	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
915	}	1437	}
916		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
917	cf::player->attach (	1447	cf::player->attach (
918	on_command => sub {	1448	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
920		1450
921	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
922	or return;	1452	or return;
923		1453
…		…
928	cf::override;	1458	cf::override;
929	},	1459	},
930	on_extcmd => sub {	1460	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
932		1462
933	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1464
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
941	} else {	1480	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1482	}
944		1483
945	cf::override;	1484	cf::override;
946	},	1485	},
947	);	1486	);
948		1487
		1488	# "readahead" all extensions
949	sub load_extension {	1489	sub cache_extensions {
950	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
951		1491
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1495	}
977	die $@;
978	}	1496	};
979		1497
980	push @EXTS, $pkg;	1498	$grp
981	}	1499	}
982		1500
983	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
984	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1508	next unless -r $path;
986	eval {	1509
987	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	}
988	1	1573	}
989	} 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	}
990	}	1586	};
991	}	1587	}
992		1588
993	#############################################################################	1589	#############################################################################
994		1590
		1591	=back
		1592
995	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
996		1594
997	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
998		1596
999	=cut	1597	=cut
1000		1598
1001	package cf::player;	1599	package cf::player;
1002		1600
1003	use Coro::AIO;	1601	use Coro::AIO;
1004		1602
1005	=head3 cf::player	1603	=head3 cf::player
1006		1604
1007	=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	}
1008		1620
1009	=item cf::player::find $login	1621	=item cf::player::find $login
1010		1622
1011	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1012		1624
…		…
1031		1643
1032	sub exists($) {	1644	sub exists($) {
1033	my ($login) = @_;	1645	my ($login) = @_;
1034		1646
1035	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1037	}	1649	}
1038		1650
1039	sub find($) {	1651	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1653	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1664
1053	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1056	}	1674	}
1057	}	1675	}
1058	}	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	);
1059		1690
1060	sub save($) {	1691	sub save($) {
1061	my ($pl) = @_;	1692	my ($pl) = @_;
1062		1693
1063	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1069		1700
1070	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1074	Coro::cede;	1710	cf::cede_to_tick;
1075	}	1711	}
1076		1712
1077	sub new($) {	1713	sub new($) {
1078	my ($login) = @_;	1714	my ($login) = @_;
1079		1715
…		…
1085	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1086		1722
1087	$self	1723	$self
1088	}	1724	}
1089		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
1090	=item $pl->quit_character	1736	=item $pl->quit_character
1091		1737
1092	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
1093	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1094		1740
…		…
1098	my ($pl) = @_;	1744	my ($pl) = @_;
1099		1745
1100	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1101		1747
1102	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1103	$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
1104		1750
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1108	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1109		1759
1110	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1147	or return [];	1797	or return [];
1148		1798
1149	my @logins;	1799	my @logins;
1150		1800
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1155		1811
1156	utf8::decode $login;	1812	utf8::decode $login;
1157	push @logins, $login;	1813	push @logins, $login;
1158	}	1814	}
1159		1815
1160	\@logins	1816	\@logins
1161	}	1817	}
1162		1818
1163	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1164		1822
1165	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1166	player. May block.	1824	player. May block.
1167		1825
1168	=cut	1826	=cut
…		…
1186	}	1844	}
1187		1845
1188	\@paths	1846	\@paths
1189	}	1847	}
1190		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1191	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1192		1854
1193	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1194		1856
1195	=cut	1857	=cut
1196		1858
1197	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1199		1861
1200	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1863	}
1204		1864
1205	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1206		1866
1207	Sends an ext event to the client.	1867	Sends an ext event to the client.
1208		1868
1209	=cut	1869	=cut
1210		1870
1211	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1213		1873
1214	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1215	}	1875	}
1216		1876
1217	=head3 cf::region	1877	=head3 cf::region
1218		1878
1219	=over 4	1879	=over 4
…		…
1222		1882
1223	package cf::region;	1883	package cf::region;
1224		1884
1225	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1226		1886
1227	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.
1228		1888
1229	=cut	1889	=cut
1230		1890
1231	sub find_by_path($) {	1891	sub find_by_path($) {
1232	my ($path) = @_;	1892	my ($path) = @_;
1233		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1234	my ($match, $specificity);	1896	my ($match, $specificity);
1235		1897
1236	for my $region (list) {	1898	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1240	}	1902	}
1241	}	1903	}
1242		1904
…		…
1263	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1265		1927
1266	sub generate_random_map {	1928	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1269	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1934	}
1283		1935
1284	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1285		1937
1286	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
…		…
1291		1943
1292	sub register {	1944	sub register {
1293	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1946	my $pkg = caller;
1295		1947
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1949
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1951	}
1301		1952
1302	# also paths starting with '/'	1953	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1955
1305	sub thawer_merge {	1956	sub thawer_merge {
1306	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1307		1958
1308	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1309	local $self->{path};	1960	local $self->{path};
1310	local $self->{load_path};	1961	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1962
1314	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1315	}	1964	}
1316		1965
1317	sub normalise {	1966	sub normalise {
1318	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1319		1968
1320	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1321		1970
1322	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1323		1972
1324	# map plan:	1973	# map plan:
1325	#	1974	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1990	$path = "$base/$path";
1342	}	1991	}
1343		1992
1344	for ($path) {	1993	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1348	}	1996	}
1349		1997
1350	$path	1998	$path
…		…
1364	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1365	return $self;	2013	return $self;
1366	}	2014	}
1367	}	2015	}
1368		2016
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2018	()
1371	}	2019	}
1372		2020
		2021	# may re-bless or do other evil things
1373	sub init {	2022	sub init {
1374	my ($self) = @_;	2023	my ($self) = @_;
1375		2024
1376	$self	2025	$self
1377	}	2026	}
…		…
1396		2045
1397	# the temporary/swap location	2046	# the temporary/swap location
1398	sub save_path {	2047	sub save_path {
1399	my ($self) = @_;	2048	my ($self) = @_;
1400		2049
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1403	}	2052	}
1404		2053
1405	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1406	sub uniq_path {	2055	sub uniq_path {
1407	my ($self) = @_;	2056	my ($self) = @_;
1408		2057
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1411	}	2060	}
1412		2061
1413	# and all this just because we cannot iterate over	2062	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2063	my ($self) = @_;
1417		2064
1418	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1420	}	2068	}
1421		2069
1422	sub unlink_save {	2070	sub unlink_save {
1423	my ($self) = @_;	2071	my ($self) = @_;
1424		2072
…		…
1429		2077
1430	sub load_header_from($) {	2078	sub load_header_from($) {
1431	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1432		2080
1433	utf8::encode $path;	2081	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2083	or return;
1439		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1440	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1441		2092
1442	1	2093	1
1443	}	2094	}
1444		2095
		2096	# used to laod the header of an original map
1445	sub load_header_orig {	2097	sub load_header_orig {
1446	my ($self) = @_;	2098	my ($self) = @_;
1447		2099
1448	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1449	}	2101	}
1450		2102
		2103	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2104	sub load_header_temp {
1452	my ($self) = @_;	2105	my ($self) = @_;
1453		2106
1454	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1455	}	2108	}
1456		2109
		2110	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2111	sub prepare_temp {
1458	my ($self) = @_;	2112	my ($self) = @_;
1459		2113
1460	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1462	# safety	2116	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2119	}
1466		2120
		2121	# called after loading the header from an original map
1467	sub prepare_orig {	2122	sub prepare_orig {
1468	my ($self) = @_;	2123	my ($self) = @_;
1469		2124
1470	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2137	$self->load_header_orig
1483	or return;	2138	or return;
1484	$self->prepare_orig;	2139	$self->prepare_orig;
1485	}	2140	}
1486		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1487	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2146	unless $self->default_region;
1489		2147
1490	1	2148	1
1491	}	2149	}
1492		2150
1493	sub find;	2151	sub find;
1494	sub find {	2152	sub find {
1495	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1496		2154
		2155	cf::cede_to_tick;
		2156
1497	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1498		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2161
1501	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1504	or return;	2164	or return;
1505		2165
1506	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1507		2167
1508	$map->load_header	2168	$map->load_header
1509	or return;	2169	or return;
1510		2170
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1514	$map->reset;	2176	$map->reset;
1515	undef $guard;
1516	return find $path;	2177	return find $path;
1517	}	2178	}
1518		2179
1519	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1520	}	2181	}
1521	}	2182	}
1522		2183
1523	sub pre_load { }	2184	sub pre_load { }
1524	sub post_load { }	2185	#sub post_load { } # XS
1525		2186
1526	sub load {	2187	sub load {
1527	my ($self) = @_;	2188	my ($self) = @_;
1528		2189
1529	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1530		2191
1531	my $path = $self->{path};	2192	my $path = $self->{path};
1532		2193
1533	{	2194	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1535		2196
		2197	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2199
1540	$self->alloc;	2200	$self->alloc;
1541		2201
1542	$self->pre_load;	2202	$self->pre_load;
1543	Coro::cede;	2203	cf::cede_to_tick;
1544		2204
1545	$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)
1546	or return;	2209	or return;
1547		2210
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1549	if delete $self->{load_original};	2212	if delete $self->{load_original};
1550		2213
1551	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2215	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2218	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1556	}	2223	}
1557	}
1558		2224
1559	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;
1560	# now do the right thing for maps	2234	# now do the right thing for maps
1561	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2237	unless $self->difficulty;
1564	Coro::cede;	2238	cf::cede_to_tick;
1565		2239
1566	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2241	$self->decay_objects;
1568	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1569	$self->update_buttons;	2243	$self->update_buttons;
1570	Coro::cede;	2244	$self->post_load_physics;
1571	$self->set_darkness_map;	2245	cf::cede_to_tick;
1572	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1573	$self->activate;
1574	}	2247	}
1575		2248
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1577	}	2251	}
1578		2252
1579	$self->post_load;	2253	$self->post_load;
1580	}
1581		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2261	sub customise_for {
1583	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1584		2263
1585	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2265	if $self->per_player;
1587		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1588	$self	2270	$self
1589	}	2271	}
1590		2272
1591	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2274	sub load_neighbours {
1593	my ($map) = @_;	2275	my ($map) = @_;
1594		2276
1595	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1596		2278
1597	for (0 .. 3) {	2279	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1599	or next;	2281	or next;
1600	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1601	or next;	2283	or next;
1602	$neigh->load;	2284	$neigh->load;
1603		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2290	}
1607		2291
1608	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1610	or next;	2295	or next;
1611	$neigh->load;	2296	$neigh->load;
1612	}	2297	}
1613	}	2298	}
1614		2299
1615	sub find_sync {	2300	sub find_sync {
1616	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1617		2302
1618	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1619	}	2308	}
1620		2309
1621	sub do_load_sync {	2310	sub do_load_sync {
1622	my ($map) = @_;	2311	my ($map) = @_;
1623		2312
1624	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1625	}	2318	}
1626		2319
1627	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1629		2322
1630	sub find_async {	2323	sub find_async {
1631	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1632		2325
1633	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1634		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1635	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1637	}	2332	}
1638		2333
1639	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1640	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1641	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2341	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2342	$map->load if $v;
		2343	}
1646		2344
1647	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1648	}	2346	}
1649	}	2347	}
1650	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1651	};	2349	};
1652	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1653		2351
1654	()	2352	()
1655	}	2353	}
1656		2354
		2355	# common code, used by both ->save and ->swapout
1657	sub save {	2356	sub _save {
1658	my ($self) = @_;	2357	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2358
1662	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1663		2360
1664	return unless $self->dirty;	2361	return unless $self->dirty;
1665		2362
…		…
1671	return if $self->{deny_save};	2368	return if $self->{deny_save};
1672		2369
1673	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1674		2371
1675	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1677	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1678		2378
1679	if ($uniq) {	2379	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2382	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2384	}
1685	}	2385	}
1686		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1687	sub swap_out {	2395	sub swap_out {
1688	my ($self) = @_;	2396	my ($self) = @_;
1689		2397
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1695	return if $self->players;	2402	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1699	$self->clear;	2413	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2414	}
1702		2415
1703	sub reset_at {	2416	sub reset_at {
1704	my ($self) = @_;	2417	my ($self) = @_;
1705		2418
1706	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1709		2421
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2424
…		…
1723	my ($self) = @_;	2435	my ($self) = @_;
1724		2436
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2438
1727	return if $self->players;	2439	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2440
1730	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
1731		2442
1732	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
1733		2444
1734	# need to save uniques path	2445	# need to save uniques path
1735	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2448
…		…
1739	if $uniq;	2450	if $uniq;
1740	}	2451	}
1741		2452
1742	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1743		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2457	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2458
1748	$self->unlink_save;	2459	$self->unlink_save;
1749	$self->destroy;	2460	$self->destroy;
1750	}	2461	}
1751		2462
1752	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1753		2464
1754	sub nuke {	2465	sub nuke {
1755	my ($self) = @_;	2466	my ($self) = @_;
1756		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1757	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1758		2472
1759	$self->unlink_save;	2473	$self->unlink_save;
1760		2474
1761	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2480
1767	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1768		2483
1769	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
		2485	}
		2486
		2487	=item $maps = cf::map::tmp_maps
		2488
		2489	Returns an arrayref with all map paths of currently instantiated and saved
		2490	maps. May block.
		2491
		2492	=cut
		2493
		2494	sub tmp_maps() {
		2495	[
		2496	map {
		2497	utf8::decode $_;
		2498	/\.map$/
		2499	? normalise $_
		2500	: ()
		2501	} @{ aio_readdir $TMPDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
1770	}	2521	}
1771		2522
1772	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1773		2524
1774	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2526	instantiated unique items. May block.
1776		2527
1777	=cut	2528	=cut
1778		2529
1779	sub unique_maps() {	2530	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2531	[
1781	or return;	2532	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2533	utf8::decode $_;
1787	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2536	? ()
1790	push @paths, cf::map::normalise $_;	2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2539	]
1792
1793	\@paths
1794	}	2540	}
1795		2541
1796	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
1797		2573
1798	=back	2574	=back
1799		2575
1800	=head3 cf::object	2576	=head3 cf::object
1801		2577
…		…
1805		2581
1806	=over 4	2582	=over 4
1807		2583
1808	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1809		2585
1810	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1811		2588
1812	=cut	2589	=cut
1813		2590
1814	sub inv_recursive_;	2591	sub inv_recursive_;
1815	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1818		2595
1819	sub inv_recursive {	2596	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1821	}	2598	}
1822		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1823	package cf;	2628	package cf;
1824		2629
1825	=back	2630	=back
1826		2631
1827	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1836		2641
1837	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1838		2657
1839	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2659	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1844		2663
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2665
1847	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1849	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1852	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1853	}	2691	}
1854		2692
1855	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1856		2694
1857	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1870		2708
1871	=item $player_object->enter_link	2709	=item $player_object->enter_link
1872		2710
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2712
1875	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1877		2717
1878	Will never block.	2718	Will never block.
1879		2719
1880	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1881		2721
…		…
1901	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2742	my ($self) = @_;
1903		2743
1904	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1905		2745
		2746	++$self->{_link_recursion};
		2747
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2749
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1910		2752
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2754	}
1913		2755
1914	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1916		2760
1917	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1918		2762
1919	unless ($map) {	2763	unless ($map) {
1920	# restore original map position	2764	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1933		2777
1934	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1937		2781
1938	$map->load;	2782	$map->load;
1939	$map->load_diag;	2783	$map->load_neighbours;
1940		2784
1941	return unless $self->contr->active;	2785	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2786
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
1946	}	2789	# entering was successful
1947		2790	delete $self->{_link_recursion};
1948	cf::player->attach (	2791	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2792	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2793	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2794
1962	# try to abort aborted map switching on player login :)	2795	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2796
1980	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2798
		2799	Moves the player to the given map-path and coordinates by first freezing
		2800	her, loading and preparing them map, calling the provided $check callback
		2801	that has to return the map if sucecssful, and then unfreezes the player on
		2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
1982	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1983		2811
1984	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
		2821	# do generation counting so two concurrent goto's will be executed in-order
		2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2823
1987	$self->enter_link;	2824	$self->enter_link;
1988		2825
1989	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
1990	my $map = eval {	2848	my $map = eval {
1991	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2852	$map = $map->customise_for ($self);
		2853	$map = $check->($map, $x, $y, $self) if $check && $map;
		2854	} else {
		2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2856	}
		2857
1993	$map	2858	$map
		2859	};
		2860
		2861	if ($@) {
		2862	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2863	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2864	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1998	})->prio (1);	2872	})->prio (1);
1999	}	2873	}
2000		2874
2001	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2002		2876
…		…
2022	}	2896	}
2023		2897
2024	sub prepare_random_map {	2898	sub prepare_random_map {
2025	my ($exit) = @_;	2899	my ($exit) = @_;
2026		2900
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2903	# that depends on the exit object
2032		2904
2033	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2907	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2040	}	2914	}
2041		2915
2042	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2043		2917
2044	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2047		2921
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2924	undef $fh;
2051	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2052		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2055	}	2933	}
2056	}	2934	}
2057		2935
2058	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2060		2938
2061	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2062		2940
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2941	$self->enter_link;
2075		2942
2076	(async {	2943	(async {
2077	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2078	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2079	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2080		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2081	1;	2982	1
2082	}) {	2983	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2988
2088	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2990	$self->leave_link;
2090	}	2991	}
2091	})->prio (1);	2992	})->prio (1);
2092	}	2993	}
2093		2994
…		…
2107		3008
2108	utf8::encode $text;	3009	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	3011	}
2111		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
2112	=item $client->ext_event ($type, %msg)	3200	=item $client->ext_msg ($type, @msg)
2113		3201
2114	Sends an exti event to the client.	3202	Sends an ext event to the client.
2115		3203
2116	=cut	3204	=cut
2117		3205
2118	sub cf::client::ext_event($$%) {	3206	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3207	my ($self, $type, @msg) = @_;
2120		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3212	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
2123	}	3233	}
2124		3234
2125	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2126		3236
2127	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3240
2131	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3242	become reliable at some point in the future.
2133		3243
2134	=cut	3244	=cut
2135		3245
2136	sub cf::client::query {	3246	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3255	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3257
2148	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2150	}	3262	}
2151		3263
2152	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2153	on_reply => sub {	3270	on_reply => sub {
2154	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2155		3272
2156	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2157	# get handled first	3274	# get handled first
…		…
2169	} else {	3286	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3288	}
2172	}	3289	}
2173	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
2174	);	3317	);
2175		3318
2176	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2177		3320
2178	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3337
2195	$coro	3338	$coro
2196	}	3339	}
2197		3340
2198	cf::client->attach (	3341	cf::client->attach (
2199	on_destroy => sub {	3342	on_client_destroy => sub {
2200	my ($ns) = @_;	3343	my ($ns) = @_;
2201		3344
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3346	},
2204	);	3347	);
…		…
2219	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2221		3364
2222	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2223		3366
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2225		3372
2226	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2227		3374
2228	=pod	3375	=pod
2229		3376
2230	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2231		3378
2232	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2233	cf::object::player player	3384	cf::object::player
2234	cf::player peaceful	3385	player
2235	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2236		3392
2237	=cut	3393	=cut
2238		3394
2239	for (	3395	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2244	) {	3402	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3405	for @funs;
2249	}	3406	}
2250		3407
…		…
2265		3422
2266	my $qcode = $code;	3423	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2269		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2270	local $_;	3430	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3431
2273	my $eval =	3432	my $eval =
2274	"do {\n"	3433	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3436	. $code
2278	. "\n}"	3437	. "\n}"
2279	;	3438	;
2280		3439
		3440	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2284		3449
2285	if ($@) {	3450	if ($@) {
2286	warn "$@";	3451	warn "$@",
2287	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2289	}	3454	}
2290		3455
2291	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2292	}	3457	}
2293		3458
…		…
2307	=cut	3472	=cut
2308		3473
2309	sub register_script_function {	3474	sub register_script_function {
2310	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2311		3476
2312	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2314	}	3479	}
2315		3480
2316	=back	3481	=back
2317		3482
2318	=cut	3483	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3484
2494	#############################################################################	3485	#############################################################################
2495	# the server's init and main functions	3486	# the server's init and main functions
2496		3487
2497	sub load_facedata($) {	3488	sub load_facedata($) {
2498	my ($path) = @_;	3489	my ($path) = @_;
2499		3490
		3491	# HACK to clear player env face cache, we need some signal framework
		3492	# for this (global event?)
		3493	%ext::player_env::MUSIC_FACE_CACHE = ();
		3494
		3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3496
2500	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2501		3498
2502	my $facedata;	3499	my $facedata = decode_storable load_file $path;
2503	0 < aio_load $path, $facedata
2504	or die "$path: $!";
2505
2506	$facedata = Coro::Storable::thaw $facedata;
2507		3500
2508	$facedata->{version} == 2	3501	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3503
		3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3506	$facedata->{resource}{"res/exp_table"} = {
		3507	type => FT_RSRC,
		3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
		3510	};
		3511	cf::cede_to_tick;
		3512
2511	{	3513	{
2512	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2513		3515
2514	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3519	cf::face::set_visibility $idx, $info->{visibility};
		3520	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3524
		3525	cf::cede_to_tick;
2520	}	3526	}
2521		3527
2522	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2524	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2525	or next;	3532	or next;
		3533
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
		3535	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3537	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3539	}
2531	Coro::cede;	3540
		3541	cf::cede_to_tick;
2532	}	3542	}
2533	}	3543	}
2534		3544
2535	{	3545	{
2536	my $anims = $facedata->{animinfo};	3546	my $anims = $facedata->{animinfo};
2537		3547
2538	while (my ($anim, $info) = each %$anims) {	3548	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3550	cf::cede_to_tick;
2541	}	3551	}
2542		3552
2543	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2544	}	3554	}
2545		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
2546	1	3575	1
2547	}	3576	}
2548		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
2549	sub reload_regions {	3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
2550	load_resource_file "$MAPDIR/regions"	3601	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
2552	}	3608	}
2553		3609
2554	sub reload_facedata {	3610	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3611	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3612	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3620	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
2567	}	3623	}
2568		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
2569	sub reload_resources {	3645	sub reload_resources {
2570	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
2571		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
2572	reload_regions;	3653	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3654	reload_treasures;
2576		3655
2577	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
2578	}	3657	}
2579		3658
2580	sub init {	3659	sub reload_config {
2581	reload_resources;	3660	trace "reloading config file...\n";
2582	}
2583		3661
2584	sub cfg_load {	3662	my $config = load_file "$CONFDIR/config";
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3663	utf8::decode $config;
2586	or return;	3664	*CFG = decode_yaml $config;
2587		3665
2588	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;
2590
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3667
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3670
2596	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2600	};	3675	};
2601	warn $@ if $@;	3676	warn $@ if $@;
2602	}	3677	}
2603	}	3678	}
2604		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2605	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2606	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3721	(async {
2610	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2612	};	3725	};
2613		3726
2614	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
2615	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2616	load_extensions;	3750	load_extensions;
2617		3751
2618	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2620	}	3770	}
2621		3771
2622	#############################################################################	3772	#############################################################################
2623	# initialisation and cleanup	3773	# initialisation and cleanup
2624		3774
2625	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2626	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2635	},
2636	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2637	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2638	}	3871	}
2639		3872
2640	sub emergency_save() {	3873	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2642		3875
2643	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2644		3882
2645	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2646	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3894	$pl->save;
2654	}	3895	}
2655	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2656		3897
2657	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3903	$map->valid or next;
2661	$map->save;	3904	$map->save;
2662	}	3905	}
2663	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
2664		3907
2665	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3936	};
2669		3937
2670	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2671	}	3939	}
2672		3940
2673	sub post_cleanup {	3941	sub post_cleanup {
2674	my ($make_core) = @_;	3942	my ($make_core) = @_;
2675		3943
		3944	IO::AIO::flush;
		3945
2676	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
2678	}	3976	}
2679		3977
2680	sub do_reload_perl() {	3978	sub do_reload_perl() {
2681	# can/must only be called in main	3979	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2683	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2684	return;	3982	return;
2685	}	3983	}
2686		3984
2687	warn "reloading...";	3985	return if $RELOAD++;
2688		3986
2689	warn "entering sync_job";	3987	my $t1 = AE::time;
2690		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
2691	cf::sync_job {	3995	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3996	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3997
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	4000	%EXT_CORO = ();
2720		4001
2721	warn "removing commands";	4002	trace "perl_reload: removing commands";
2722	%COMMAND = ();	4003	%COMMAND = ();
2723		4004
2724	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2726		4008
2727	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2730		4012
2731	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2732	eval {	4014	eval {
2733	$cb->($pkg);	4015	$cb->($pkg);
2734	1	4016	1
2735	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2736	}	4022	}
2737		4023
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		4027
2746	warn "... unloading $k";	4028	trace "... unloading $k";
2747	delete $INC{$k};	4029	delete $INC{$k};
2748		4030
2749	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2751		4033
2752	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2754	}	4039	}
2755		4040
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		4044
2763	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		4048
2767	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2768	# and global variables created in xs	4050	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2770		4052
2771	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2772		4054
2773	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2774	require cf;	4056	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2776		4058
2777	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	4060	cf::reload_config;
2779		4061
2780	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	4063	cf::load_extensions;
2782		4064
		4065	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
2789		4073
2790	warn "leaving sync_job";	4074	cf::_post_init 1;
2791		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
2792	1	4078	1
2793	} or do {	4079	} or do {
2794	warn $@;	4080	error $@;
2795	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4082	};
		4083
		4084	--$RELOAD;
2797	};	4085	}
2798		4086
2799	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
2800	};	4089	};
2801		4090
2802	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
2803		4092
2804	sub reload_perl() {	4093	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
2807		4096
2808	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4099
2811	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4101	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
2815	},	4103	};
2816	);	4104	};
2817	}	4105	}
2818		4106
2819	register_command "reload" => sub {	4107	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2821		4109
2822	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
		4112	async {
		4113	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4114	reload_perl;
		4115	};
2825	}	4116	}
2826	};	4117	};
2827		4118
2828	unshift @INC, $LIBDIR;	4119	#############################################################################
2829		4120
2830	my $bug_warning = 0;	4121	my $bug_warning = 0;
2831		4122
2832	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;
2834
2835	sub wait_for_tick {	4123	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4125
2839	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
2840	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;
2842	}	4127	}
2843		4128
2844	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2846	return if $Coro::current == $Coro::main;
2847		4131
2848	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4134	$signal->wait;
2851	}	4135	}
2852		4136
2853	$TICK_WATCHER = Event->timer (	4137	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2863	return;	4141	return;
2864	}	4142	}
2865		4143
2866	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
2867		4145
2868	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869		4147
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4152	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4154	};
		4155	}
2880		4156
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4158	$sig->send;
2886	}	4159	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
2888	$sig->send;
2889	}
2890		4161
2891	$NOW = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4164
2902	_post_tick;	4165	if (0) {
2903		4166	if ($NEXT_TICK) {
2904		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
2905	},	4171	}
2906	);	4172	}
2907		4173
2908	{	4174	{
2909	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4176
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
2919		4178	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4179	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4180
2935	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4188
2938	cf::sync_job {	4189	cf::sync_job {
2939	eval {	4190	eval {
2940	BDB::db_env_open	4191	BDB::db_env_open
2941	$DB_ENV,	4192	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4196	0666;
2946		4197
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4199	};
2952		4200
2953	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4202	};
2955	}	4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
2956	}	4214	}
2957		4215
2958	{	4216	{
		4217	# configure IO::AIO
		4218
2959	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4222	}
2972		4223
2973	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
2974		4226
2975	sub _log_backtrace {	4227	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
2977		4229
2978	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
2979		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
2983	async {	4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
2984	my @bt = fork_call {	4243	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4247	or die "addr2line: $!";
…		…
2996	}	4255	}
2997		4256
2998	@funcs	4257	@funcs
2999	};	4258	};
3000		4259
3001	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4263	--$_log_backtrace;
3004	};	4264	};
3005	} else {	4265	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4268	}
3009	}	4269	}
3010		4270
3011	# load additional modules	4271	# load additional modules
3012	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3013		4274
3014	END { cf::emergency_save }	4275	END { cf::emergency_save }
3015		4276
3016	1	4277	1
3017		4278

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