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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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	cf::cede_to_tick;
1571	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2246	}
1575		2247
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1577	}	2250	}
1578		2251
1579	$self->post_load;	2252	$self->post_load;
1580	}
1581		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2260	sub customise_for {
1583	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1584		2262
1585	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2264	if $self->per_player;
1587		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1588	$self	2269	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2270	}
1614		2271
1615	sub find_sync {	2272	sub find_sync {
1616	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1617		2274
1618	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1619	}	2280	}
1620		2281
1621	sub do_load_sync {	2282	sub do_load_sync {
1622	my ($map) = @_;	2283	my ($map) = @_;
1623		2284
1624	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1625	}	2290	}
1626		2291
1627	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1629		2294
1630	sub find_async {	2295	sub find_async {
1631	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1632		2297
1633	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1634		2299
1635	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1637	}	2302	}
1638		2303
1639	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1640	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1641	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2311	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2312	$map->load if $v;
		2313	}
1646		2314
1647	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1648	}	2316	}
1649	}	2317	}
1650	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1651	};	2319	};
1652	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1653		2321
1654	()	2322	()
1655	}	2323	}
1656		2324
		2325	# common code, used by both ->save and ->swapout
1657	sub save {	2326	sub _save {
1658	my ($self) = @_;	2327	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2328
1662	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1663		2330
1664	return unless $self->dirty;	2331	return unless $self->dirty;
1665		2332
…		…
1671	return if $self->{deny_save};	2338	return if $self->{deny_save};
1672		2339
1673	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1674		2341
1675	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1677	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1678		2348
1679	if ($uniq) {	2349	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2352	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2354	}
1685	}	2355	}
1686		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1687	sub swap_out {	2365	sub swap_out {
1688	my ($self) = @_;	2366	my ($self) = @_;
1689		2367
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1695	return if $self->players;	2372	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1699	$self->clear;	2383	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2384	}
1702		2385
1703	sub reset_at {	2386	sub reset_at {
1704	my ($self) = @_;	2387	my ($self) = @_;
1705		2388
1706	# TODO: safety, remove and allow resettable per-player maps	2389	# 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};	2390	return 1e99 if $self->{deny_reset};
1709		2391
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2394
…		…
1723	my ($self) = @_;	2405	my ($self) = @_;
1724		2406
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2408
1727	return if $self->players;	2409	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2410
1730	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1731		2412
1732	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1733		2414
1734	# need to save uniques path	2415	# need to save uniques path
1735	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2418
…		…
1739	if $uniq;	2420	if $uniq;
1740	}	2421	}
1741		2422
1742	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1743		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2427	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2428
1748	$self->unlink_save;	2429	$self->unlink_save;
1749	$self->destroy;	2430	$self->destroy;
1750	}	2431	}
1751		2432
1752	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1753		2434
1754	sub nuke {	2435	sub nuke {
1755	my ($self) = @_;	2436	my ($self) = @_;
1756		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1757	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1758		2442
1759	$self->unlink_save;	2443	$self->unlink_save;
1760		2444
1761	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2450
1767	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1768		2453
1769	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1770	}	2491	}
1771		2492
1772	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1773		2494
1774	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2496	instantiated unique items. May block.
1776		2497
1777	=cut	2498	=cut
1778		2499
1779	sub unique_maps() {	2500	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2501	[
1781	or return;	2502	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2503	utf8::decode $_;
1787	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2506	? ()
1790	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2509	]
1792
1793	\@paths
1794	}	2510	}
1795		2511
1796	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1797		2543
1798	=back	2544	=back
1799		2545
1800	=head3 cf::object	2546	=head3 cf::object
1801		2547
…		…
1805		2551
1806	=over 4	2552	=over 4
1807		2553
1808	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1809		2555
1810	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1811		2558
1812	=cut	2559	=cut
1813		2560
1814	sub inv_recursive_;	2561	sub inv_recursive_;
1815	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1818		2565
1819	sub inv_recursive {	2566	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1821	}	2568	}
1822		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1823	package cf;	2598	package cf;
1824		2599
1825	=back	2600	=back
1826		2601
1827	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1836		2611
1837	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1838		2627
1839	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2629	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1844		2633
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2635
1847	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1849	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1852	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1853	}	2661	}
1854		2662
1855	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1856		2664
1857	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1870		2678
1871	=item $player_object->enter_link	2679	=item $player_object->enter_link
1872		2680
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2682
1875	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1877		2687
1878	Will never block.	2688	Will never block.
1879		2689
1880	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1881		2691
…		…
1901	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2712	my ($self) = @_;
1903		2713
1904	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1905		2715
		2716	++$self->{_link_recursion};
		2717
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2719
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1910		2722
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2724	}
1913		2725
1914	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1916		2730
1917	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1918		2732
1919	unless ($map) {	2733	unless ($map) {
1920	# restore original map position	2734	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1933		2747
1934	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1937		2751
1938	$map->load;	2752	$map->load;
1939	$map->load_diag;
1940		2753
1941	return unless $self->contr->active;	2754	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2755
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1946	}	2758	# entering was successful
1947		2759	delete $self->{_link_recursion};
1948	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2761	$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	},	2762	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2763
1962	# try to abort aborted map switching on player login :)	2764	}
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		2765
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2767
1982	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
1986		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1987	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1988		2780
1989	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2792
1992	$self->enter_link;	2793	$self->enter_link;
1993		2794
1994	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1995	my $map = eval {	2817	my $map = eval {
1996	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1997		2819
1998	if ($map) {	2820	if ($map) {
1999	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2001	} else {	2823	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2825	}
2004		2826
2005	$map	2827	$map
2006	};	2828	};
2007		2829
2008	if ($@) {	2830	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2832	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2833	}
2012		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
2014	})->prio (1);	2841	})->prio (1);
2015	}	2842	}
2016		2843
2017	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2018		2845
…		…
2038	}	2865	}
2039		2866
2040	sub prepare_random_map {	2867	sub prepare_random_map {
2041	my ($exit) = @_;	2868	my ($exit) = @_;
2042		2869
2043	my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2046	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2047	# that depends on the exit object	2872	# that depends on the exit object
2048		2873
2049	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2051	if ($exit->map) {	2876	if ($exit->map) {
2052	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2053	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2054	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2055	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2056	}	2883	}
2057		2884
2058	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2059		2886
2060	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2062	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2063		2890
2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2066	undef $fh;	2893	undef $fh;
2067	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2068		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2069	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2070	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2071	}	2902	}
2072	}	2903	}
2073		2904
2074	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2075	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2076		2907
2077	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2078		2909
2079	if ($exit->slaying eq "/!") {
2080	#TODO: this should de-fi-ni-te-ly not be a sync-job
2081	# the problem is that $exit might not survive long enough
2082	# so it needs to be done right now, right here
2083	cf::sync_job { prepare_random_map $exit };
2084	}
2085
2086	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;
2089
2090	$self->enter_link;	2910	$self->enter_link;
2091		2911
2092	(async {	2912	(async {
2093	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2094	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2095	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2096		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2097	1;	2951	1
2098	}) {	2952	}) {
2099	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2100	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2101	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2102	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2103		2957
2104	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2105	$self->leave_link;	2959	$self->leave_link;
2106	}	2960	}
2107	})->prio (1);	2961	})->prio (1);
2108	}	2962	}
2109		2963
…		…
2123		2977
2124	utf8::encode $text;	2978	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2980	}
2127		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2128	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2129		3170
2130	Sends an exti event to the client.	3171	Sends an ext event to the client.
2131		3172
2132	=cut	3173	=cut
2133		3174
2134	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2136		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2139	}	3202	}
2140		3203
2141	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2142		3205
2143	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		3209
2147	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	3211	become reliable at some point in the future.
2149		3212
2150	=cut	3213	=cut
2151		3214
2152	sub cf::client::query {	3215	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	3224	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		3226
2164	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2166	}	3231	}
2167		3232
2168	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2169	on_reply => sub {	3239	on_reply => sub {
2170	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2171		3241
2172	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2173	# get handled first	3243	# get handled first
…		…
2185	} else {	3255	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	3257	}
2188	}	3258	}
2189	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2190	);	3286	);
2191		3287
2192	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2193		3289
2194	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2210		3306
2211	$coro	3307	$coro
2212	}	3308	}
2213		3309
2214	cf::client->attach (	3310	cf::client->attach (
2215	on_destroy => sub {	3311	on_client_destroy => sub {
2216	my ($ns) = @_;	3312	my ($ns) = @_;
2217		3313
2218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2219	},	3315	},
2220	);	3316	);
…		…
2235	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2237		3333
2238	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2239		3335
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2241		3341
2242	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2243		3343
2244	=pod	3344	=pod
2245		3345
2246	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2247		3347
2248	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2249	cf::object::player player	3353	cf::object::player
2250	cf::player peaceful	3354	player
2251	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2252		3361
2253	=cut	3362	=cut
2254		3363
2255	for (	3364	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2257	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2259	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2260	) {	3371	) {
2261	no strict 'refs';
2262	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2263	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2264	for @funs;	3374	for @funs;
2265	}	3375	}
2266		3376
…		…
2281		3391
2282	my $qcode = $code;	3392	my $qcode = $code;
2283	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2284	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2285		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2286	local $_;	3399	local $_;
2287	local @safe::cf::_safe_eval_args = values %vars;
2288		3400
2289	my $eval =	3401	my $eval =
2290	"do {\n"	3402	"do {\n"
2291	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2292	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2293	. $code	3405	. $code
2294	. "\n}"	3406	. "\n}"
2295	;	3407	;
2296		3408
		3409	if ($CFG{safe_eval}) {
2297	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2298	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2299	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2300		3418
2301	if ($@) {	3419	if ($@) {
2302	warn "$@";	3420	warn "$@",
2303	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2304	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2305	}	3423	}
2306		3424
2307	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2308	}	3426	}
2309		3427
…		…
2323	=cut	3441	=cut
2324		3442
2325	sub register_script_function {	3443	sub register_script_function {
2326	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2327		3445
2328	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2329	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2330	}	3448	}
2331		3449
2332	=back	3450	=back
2333		3451
2334	=cut	3452	=cut
2335
2336	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509		3453
2510	#############################################################################	3454	#############################################################################
2511	# the server's init and main functions	3455	# the server's init and main functions
2512		3456
2513	sub load_facedata($) {	3457	sub load_facedata($) {
2514	my ($path) = @_;	3458	my ($path) = @_;
2515		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2516	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2517		3467
2518	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2519	0 < aio_load $path, $facedata
2520	or die "$path: $!";
2521
2522	$facedata = Coro::Storable::thaw $facedata;
2523		3469
2524	$facedata->{version} == 2	3470	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2527	{	3482	{
2528	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2529		3484
2530	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2535	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2536	}	3495	}
2537		3496
2538	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2540	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2541	or next;	3501	or next;
		3502
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3506	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3508	}
2547	Coro::cede;	3509
		3510	cf::cede_to_tick;
2548	}	3511	}
2549	}	3512	}
2550		3513
2551	{	3514	{
2552	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2553		3516
2554	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3519	cf::cede_to_tick;
2557	}	3520	}
2558		3521
2559	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2560	}	3523	}
2561		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2562	1	3544	1
2563	}	3545	}
2564		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2565	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2566	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2568	}	3577	}
2569		3578
2570	sub reload_facedata {	3579	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2580	sub reload_treasures {	3589	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2583	}	3592	}
2584		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2585	sub reload_resources {	3614	sub reload_resources {
2586	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2587		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2588	reload_regions;	3622	reload_regions;
2589	reload_facedata;
2590	reload_archetypes;
2591	reload_treasures;	3623	reload_treasures;
2592		3624
2593	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2594	}	3626	}
2595		3627
2596	sub init {	3628	sub reload_config {
2597	reload_resources;	3629	trace "reloading config file...\n";
2598	}
2599		3630
2600	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2602	or return;	3633	*CFG = decode_yaml $config;
2603		3634
2604	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;
2606
2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2608		3636
2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2611		3639
2612	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2616	};	3644	};
2617	warn $@ if $@;	3645	warn $@ if $@;
2618	}	3646	}
2619	}	3647	}
2620		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2621	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2622	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3690	(async {
2626	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2628	};	3694	};
2629		3695
2630	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2631	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2632	load_extensions;	3719	load_extensions;
2633		3720
2634	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2635	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2636	}	3739	}
2637		3740
2638	#############################################################################	3741	#############################################################################
2639	# initialisation and cleanup	3742	# initialisation and cleanup
2640		3743
2641	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2642	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2651	},
2652	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2653	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2654	}	3840	}
2655		3841
2656	sub emergency_save() {	3842	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2658		3844
2659	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2660		3851
2661	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2662	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2663	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2664	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2666	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3863	$pl->save;
2670	}	3864	}
2671	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2672		3866
2673	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2674	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2675	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2676	$map->valid or next;	3872	$map->valid or next;
2677	$map->save;	3873	$map->save;
2678	}	3874	}
2679	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2680		3876
2681	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2682	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2683	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2684	};	3905	};
2685		3906
2686	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2687	}	3908	}
2688		3909
2689	sub post_cleanup {	3910	sub post_cleanup {
2690	my ($make_core) = @_;	3911	my ($make_core) = @_;
2691		3912
		3913	IO::AIO::flush;
		3914
2692	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2693	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
2694	}	3945	}
2695		3946
2696	sub do_reload_perl() {	3947	sub do_reload_perl() {
2697	# can/must only be called in main	3948	# can/must only be called in main
2698	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2699	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2700	return;	3951	return;
2701	}	3952	}
2702		3953
2703	warn "reloading...";	3954	return if $RELOAD++;
2704		3955
2705	warn "entering sync_job";	3956	my $t1 = AE::time;
2706		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2707	cf::sync_job {	3964	cf::sync_job {
2708	cf::write_runtime; # external watchdog should not bark
2709	cf::emergency_save;	3965	#cf::emergency_save;
2710	cf::write_runtime; # external watchdog should not bark
2711		3966
2712	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;
2714
2715	# if anything goes wrong in here, we should simply crash as we already saved
2716
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721
2722	warn "flushing outstanding aio requests";
2723	for (;;) {
2724	BDB::flush;
2725	IO::AIO::flush;
2726	Coro::cede;
2727	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";
2729	}
2730
2731	++$RELOAD;
2732
2733	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2734	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2735	%EXT_CORO = ();	3969	%EXT_CORO = ();
2736		3970
2737	warn "removing commands";	3971	trace "perl_reload: removing commands";
2738	%COMMAND = ();	3972	%COMMAND = ();
2739		3973
2740	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2741	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2742		3977
2743	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2746		3981
2747	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2748	eval {	3983	eval {
2749	$cb->($pkg);	3984	$cb->($pkg);
2750	1	3985	1
2751	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2752	}	3991	}
2753		3992
2754	warn "... nuking $pkg";
2755	Symbol::delete_package $pkg;
2756	}
2757
2758	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2759	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2760	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761		3996
2762	warn "... unloading $k";	3997	trace "... unloading $k";
2763	delete $INC{$k};	3998	delete $INC{$k};
2764		3999
2765	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2766	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2767		4002
2768	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2769	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2770	}	4008	}
2771		4009
2772	Symbol::delete_package $k;
2773	}
2774
2775	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2776	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2777	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778		4013
2779	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2780	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
2781	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782		4017
2783	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2784	# and global variables created in xs	4019	# and global variables created in xs
2785	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2786		4021
2787	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2788		4023
2789	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2790	require cf;	4025	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2792		4027
2793	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2794	cf::cfg_load;	4029	cf::reload_config;
2795		4030
2796	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2797	cf::load_extensions;	4032	cf::load_extensions;
2798		4033
		4034	if ($REATTACH_ON_RELOAD) {
2799	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2800	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2801	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2802	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2803	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2804	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2805		4042
2806	warn "leaving sync_job";	4043	cf::_post_init 1;
2807		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
2808	1	4047	1
2809	} or do {	4048	} or do {
2810	warn $@;	4049	error $@;
2811	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2812	exit 1;	4051	};
		4052
		4053	--$RELOAD;
2813	};	4054	}
2814		4055
2815	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
2816	};	4058	};
2817		4059
2818	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
2819		4061
2820	sub reload_perl() {	4062	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
2823		4065
2824	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
2825	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
2826	after => 0,	4068
2827	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2828	cb => sub {
2829	do_reload_perl;	4070	do_reload_perl;
2830	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
2831	},	4072	};
2832	);	4073	};
2833	}	4074	}
2834		4075
2835	register_command "reload" => sub {	4076	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2837		4078
2838	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	4083	reload_perl;
		4084	};
2841	}	4085	}
2842	};	4086	};
2843		4087
2844	unshift @INC, $LIBDIR;	4088	#############################################################################
2845		4089
2846	my $bug_warning = 0;	4090	my $bug_warning = 0;
2847		4091
2848	our @WAIT_FOR_TICK;
2849	our @WAIT_FOR_TICK_BEGIN;
2850
2851	sub wait_for_tick {	4092	sub wait_for_tick() {
2852	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2853	return if $Coro::current == $Coro::main;
2854		4094
2855	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
2856	push @WAIT_FOR_TICK, $signal;
2857	$signal->wait;
2858	}	4096	}
2859		4097
2860	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
2861	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2862	return if $Coro::current == $Coro::main;
2863		4100
2864	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	4103	$signal->wait;
2867	}	4104	}
2868		4105
2869	my $min = 1e6;#d#	4106	sub tick {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2881	return;	4110	return;
2882	}	4111	}
2883		4112
2884	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
2885		4114
2886	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2887		4116
2888	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890	my $t = Event::time;	4119	Coro::async_pool {
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
2892	or die;	4121	write_runtime_sync
2893		4122	or error "ERROR: unable to write runtime file: $!";
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	4123	};
		4124	}
2910		4125
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	4127	$sig->send;
2927	}	4128	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
2929	$sig->send;
2930	}
2931		4130
2932	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		4133
2943	_post_tick;	4134	if (0) {
2944		4135	if ($NEXT_TICK) {
2945		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
2946	},	4140	}
2947	);	4141	}
2948		4142
2949	{	4143	{
2950	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2951	$BDB_POLL_WATCHER = Event->io (	4145
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2960		4147	BDB::max_poll_reqs $TICK * 0.1;
2961	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2962	my $status;
2963	my $current = $Coro::current;
2964	(
2965	sub {
2966	$status = $!;
2967	$current->ready; undef $current;
2968	},
2969	sub {
2970	Coro::schedule while defined $current;
2971	$! = $status;
2972	},
2973	)
2974	};
2975		4149
2976	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		4157
2979	cf::sync_job {	4158	cf::sync_job {
2980	eval {	4159	eval {
2981	BDB::db_env_open	4160	BDB::db_env_open
2982	$DB_ENV,	4161	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	4165	0666;
2987		4166
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	4168	};
2993		4169
2994	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	4171	};
2996	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2997	}	4183	}
2998		4184
2999	{	4185	{
		4186	# configure IO::AIO
		4187
3000	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3001
3002	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	4191	}
3013		4192
3014	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3015		4195
3016	sub _log_backtrace {	4196	sub _log_backtrace {
3017	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3018		4198
3019	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3020		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3021	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3023	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3024	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3025	my @bt = fork_call {	4212	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3037	}	4224	}
3038		4225
3039	@funcs	4226	@funcs
3040	};	4227	};
3041		4228
3042	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3044	--$_log_backtrace;	4232	--$_log_backtrace;
3045	};	4233	};
3046	} else {	4234	} else {
3047	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3048	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3049	}	4237	}
3050	}	4238	}
3051		4239
3052	# load additional modules	4240	# load additional modules
3053	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3054		4243
3055	END { cf::emergency_save }	4244	END { cf::emergency_save }
3056		4245
3057	1	4246	1
3058		4247

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