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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
211		349
212	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
213		351
214	=over 4	352	=over 4
215		353
…		…
234	$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;
235	$d	373	$d
236	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
237	}	375	}
238		376
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
240		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
241	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
242		392
243	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
244		394
245	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
246		396
247	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	468	=item cf::lock_wait $string
250		469
251	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
252		471
253	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
254		473
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
258	returned.	477	returned.
259		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
260	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
261	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
262		484
263	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
264		486
265	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.
266		488
267	=cut	489	=cut
268		490
269	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
270		492
271	sub lock_wait($) {	493	sub lock_wait($) {
272	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	495	}
280		496
281	sub lock_acquire($) {	497	sub lock_acquire($) {
282	my ($key) = @_;	498	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	499	}
294		500
295	sub lock_active($) {	501	sub lock_active($) {
296	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	503	}
300		504
301	sub freeze_mainloop {	505	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
303		507
304	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
305	$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	}
306	};	578	}
307	$TICK_WATCHER->stop;	579	};
308	$guard	580
		581	sub get_slot($;$$) {
		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;
309	}	594	}
310		595
311	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
312		597
313	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		603
319	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
320		605
321	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
322		607
323	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
324	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
325	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.
326		612
327	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
328	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
329	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
330	fast or be very important.	616	fast or be very important.
…		…
332	=cut	618	=cut
333		619
334	sub sync_job(&) {	620	sub sync_job(&) {
335	my ($job) = @_;	621	my ($job) = @_;
336		622
337	if ($Coro::current == $Coro::main) {	623	if (in_main) {
338	my $time = Event::time;	624	my $time = AE::time;
339		625
340	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
342		628
343	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	630
345	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
346		632
347	my $busy = 1;	633	my $busy = 1;
348	my @res;	634	my @res;
349		635
350	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	638	@res = eval { $job->() };
352	warn $@ if $@;	639	error $@ if $@;
353	undef $busy;	640	undef $busy;
354	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
355		642
356	while ($busy) {	643	while ($busy) {
357	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
358	}	648	}
		649	}
359		650
360	$time = Event::time - $time;	651	my $time = AE::time - $time;
361		652
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
366		654
367	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
368	} else {	656	} else {
369	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
370		658
…		…
390	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
391		679
392	$coro	680	$coro
393	}	681	}
394		682
395	sub write_runtime {	683	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		684
398	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
399	# 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.
400		689
401	IO::AIO::aio_utime $runtime, undef, undef;	690	=cut
402		691
403	my $guard = cf::lock_acquire "write_runtime";	692	sub post_fork {
		693	reset_signals;
		694	}
404		695
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	696	sub fork_call(&@) {
406	or return;	697	my ($cb, @args) = @_;
407		698
408	my $value = $cf::RUNTIME + 90 + 10;	699	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	700	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	701	# TODO: investigate and fix (likely this will be rather laborious)
411		702
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	703	my @res = Coro::Util::fork_eval {
413	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
414		707
415	# always fsync - this file is important	708	wantarray ? @res : $res[-1]
416	aio_fsync $fh	709	}
417	and return;
418		710
419	# touch it again to show we are up-to-date	711	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
431	}	875	}
432		876
433	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
434		878
435	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.
436		880
437	=cut	881	=cut
438		882
439	sub datalog($@) {	883	sub datalog($@) {
440	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	886	}
443		887
444	=back	888	=back
445		889
446	=cut	890	=cut
447		891
448	#############################################################################	892	#############################################################################
449		893
450	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
451		895
452	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
453	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")
454	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
455		899
456	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>
457	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
458	crossfire+).	902	Deliantra).
459		903
460	=over 4	904	=over 4
461		905
462	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
463		907
…		…
507	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
508		952
509	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
510	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
511		955
512	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		958
515	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
516		960
517	=over 4	961	=over 4
…		…
641		1085
642	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1088
645	} elsif (ref $type) {	1089	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
647		1091
648	} else {	1092	} else {
649	shift @arg;	1093	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
651	}	1095	}
652	}	1096	}
653	}	1097	}
654		1098
655	sub _object_attach {	1099	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
666	}	1110	}
667		1111
668	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
669	} else {	1113	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1115	}
672		1116
673	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
674	}	1118	}
675		1119
…		…
715	";	1159	";
716	die if $@;	1160	die if $@;
717	}	1161	}
718		1162
719	our $override;	1163	our $override;
720	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?
721		1165
722	sub override {	1166	sub override {
723	$override = 1;	1167	$override = 1;
724	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
725	}	1169	}
726		1170
727	sub do_invoke {	1171	sub do_invoke {
728	my $event = shift;	1172	my $event = shift;
729	my $callbacks = shift;	1173	my $callbacks = shift;
730		1174
731	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
732		1176
733	local $override;	1177	local $override;
734		1178
735	for (@$callbacks) {	1179	for (@$callbacks) {
736	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
737		1181
738	if ($@) {	1182	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1184	override;
742	}	1185	}
743		1186
744	return 1 if $override;	1187	return 1 if $override;
745	}	1188	}
746		1189
747	0	1190	0
748	}	1191	}
749		1192
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1194
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1196
754	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
755		1198
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1202
760	=back	1203	=back
761		1204
762	=cut	1205	=cut
763		1206
764	#############################################################################	1207	#############################################################################
765	# 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	}
766		1251
767	sub reattach {	1252	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1254	my ($obj) = @_;
770		1255
		1256	# no longer needed after getting rid of delete_package?
771	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
772		1258
773	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
774		1260
775	@$registry = ();	1261	@$registry = ();
776		1262
…		…
781	for (@$attach) {	1267	for (@$attach) {
782	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
784	}	1270	}
785	} else {	1271	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1273	}
788	}	1274	}
789	}	1275	}
790		1276
791	cf::attachable->attach (	1277	cf::attachable->attach (
792	prio => -1000000,	1278	prio => -1000000,
793	on_instantiate => sub {	1279	on_instantiate => sub {
794	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
795		1281
796	$data = from_json $data;	1282	$data = decode_json $data;
797		1283
798	for (@$data) {	1284	for (@$data) {
799	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
800		1286
801	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1303	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
819		1305
820	sync_job {	1306	sync_job {
821	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
824		1312
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1320	aio_close $fh;
830		1321
831	if (@$objs) {	1322	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1331	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
839	}	1333	}
840	} else {	1334	} else {
841	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
842	}	1336	}
843		1337
844	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1342	} else {
846	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
847	}	1344	}
848	} else {	1345	} else {
849	aio_unlink $filename;	1346	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
851	}	1348	}
852	}	1349	};
853	}	1350	}
854		1351
855	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
857		1354
…		…
869	or return;	1366	or return;
870		1367
871	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
873	or return;	1370	or return;
		1371
874	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
875	}	1374	}
876		1375
		1376	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
879	return ($data, $av);	1381	($data, $av)
880	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
881		1389
882	#############################################################################	1390	#############################################################################
883	# command handling &c	1391	# command handling &c
884		1392
885	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1407	}
900		1408
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1410
903	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.
904		1416
905	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
906	called.	1418	called.
907		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
908	=cut	1431	=cut
909		1432
910	sub register_extcmd {	1433	sub register_extcmd {
911	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
912		1435
913	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
914	}	1437	}
915		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
916	cf::player->attach (	1447	cf::player->attach (
917	on_command => sub {	1448	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
919		1450
920	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
921	or return;	1452	or return;
922		1453
…		…
927	cf::override;	1458	cf::override;
928	},	1459	},
929	on_extcmd => sub {	1460	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
931		1462
932	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1464
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
940	} else {	1480	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1482	}
943		1483
944	cf::override;	1484	cf::override;
945	},	1485	},
946	);	1486	);
947		1487
		1488	# "readahead" all extensions
948	sub load_extension {	1489	sub cache_extensions {
949	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
950		1491
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1495	}
976	die $@;
977	}	1496	};
978		1497
979	push @EXTS, $pkg;	1498	$grp
980	}	1499	}
981		1500
982	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
983	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1508	next unless -r $path;
985	eval {	1509
986	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	}
987	1	1573	}
988	} 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	}
989	}	1586	};
990	}	1587	}
991		1588
992	#############################################################################	1589	#############################################################################
993		1590
		1591	=back
		1592
994	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
995		1594
996	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
997		1596
998	=cut	1597	=cut
999		1598
1000	package cf::player;	1599	package cf::player;
1001		1600
1002	use Coro::AIO;	1601	use Coro::AIO;
1003		1602
1004	=head3 cf::player	1603	=head3 cf::player
1005		1604
1006	=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	}
1007		1620
1008	=item cf::player::find $login	1621	=item cf::player::find $login
1009		1622
1010	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1011		1624
…		…
1030		1643
1031	sub exists($) {	1644	sub exists($) {
1032	my ($login) = @_;	1645	my ($login) = @_;
1033		1646
1034	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1036	}	1649	}
1037		1650
1038	sub find($) {	1651	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1653	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1664
1052	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1055	}	1674	}
1056	}	1675	}
1057	}	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	);
1058		1690
1059	sub save($) {	1691	sub save($) {
1060	my ($pl) = @_;	1692	my ($pl) = @_;
1061		1693
1062	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1068		1700
1069	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1073	Coro::cede;	1710	cf::cede_to_tick;
1074	}	1711	}
1075		1712
1076	sub new($) {	1713	sub new($) {
1077	my ($login) = @_;	1714	my ($login) = @_;
1078		1715
…		…
1084	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1085		1722
1086	$self	1723	$self
1087	}	1724	}
1088		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
1089	=item $pl->quit_character	1736	=item $pl->quit_character
1090		1737
1091	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
1092	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1093		1740
…		…
1097	my ($pl) = @_;	1744	my ($pl) = @_;
1098		1745
1099	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1100		1747
1101	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1102	$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
1103		1750
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1107	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1108		1759
1109	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1146	or return [];	1797	or return [];
1147		1798
1148	my @logins;	1799	my @logins;
1149		1800
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1154		1811
1155	utf8::decode $login;	1812	utf8::decode $login;
1156	push @logins, $login;	1813	push @logins, $login;
1157	}	1814	}
1158		1815
1159	\@logins	1816	\@logins
1160	}	1817	}
1161		1818
1162	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1163		1822
1164	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1165	player. May block.	1824	player. May block.
1166		1825
1167	=cut	1826	=cut
…		…
1185	}	1844	}
1186		1845
1187	\@paths	1846	\@paths
1188	}	1847	}
1189		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1190	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1191		1854
1192	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1193		1856
1194	=cut	1857	=cut
1195		1858
1196	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1198		1861
1199	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1863	}
1203		1864
1204	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1205		1866
1206	Sends an ext event to the client.	1867	Sends an ext event to the client.
1207		1868
1208	=cut	1869	=cut
1209		1870
1210	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1212		1873
1213	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1214	}	1875	}
1215		1876
1216	=head3 cf::region	1877	=head3 cf::region
1217		1878
1218	=over 4	1879	=over 4
…		…
1221		1882
1222	package cf::region;	1883	package cf::region;
1223		1884
1224	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1225		1886
1226	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.
1227		1888
1228	=cut	1889	=cut
1229		1890
1230	sub find_by_path($) {	1891	sub find_by_path($) {
1231	my ($path) = @_;	1892	my ($path) = @_;
1232		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1233	my ($match, $specificity);	1896	my ($match, $specificity);
1234		1897
1235	for my $region (list) {	1898	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1239	}	1902	}
1240	}	1903	}
1241		1904
…		…
1262	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1264		1927
1265	sub generate_random_map {	1928	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1268	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1934	}
1282		1935
1283	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1284		1937
1285	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
…		…
1290		1943
1291	sub register {	1944	sub register {
1292	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1946	my $pkg = caller;
1294		1947
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1949
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1951	}
1300		1952
1301	# also paths starting with '/'	1953	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1955
1304	sub thawer_merge {	1956	sub thawer_merge {
1305	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1306		1958
1307	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1312	}	1964	}
1313		1965
1314	sub normalise {	1966	sub normalise {
1315	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1316		1968
1317	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1318		1970
1319	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1320		1972
1321	# map plan:	1973	# map plan:
1322	#	1974	#
…		…
1337	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	1990	$path = "$base/$path";
1339	}	1991	}
1340		1992
1341	for ($path) {	1993	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1345	}	1996	}
1346		1997
1347	$path	1998	$path
…		…
1361	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1362	return $self;	2013	return $self;
1363	}	2014	}
1364	}	2015	}
1365		2016
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2018	()
1368	}	2019	}
1369		2020
		2021	# may re-bless or do other evil things
1370	sub init {	2022	sub init {
1371	my ($self) = @_;	2023	my ($self) = @_;
1372		2024
1373	$self	2025	$self
1374	}	2026	}
…		…
1393		2045
1394	# the temporary/swap location	2046	# the temporary/swap location
1395	sub save_path {	2047	sub save_path {
1396	my ($self) = @_;	2048	my ($self) = @_;
1397		2049
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1400	}	2052	}
1401		2053
1402	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1403	sub uniq_path {	2055	sub uniq_path {
1404	my ($self) = @_;	2056	my ($self) = @_;
1405		2057
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2060	}
1418		2061
1419	sub decay_objects {	2062	sub decay_objects {
1420	my ($self) = @_;	2063	my ($self) = @_;
1421		2064
…		…
1434		2077
1435	sub load_header_from($) {	2078	sub load_header_from($) {
1436	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1437		2080
1438	utf8::encode $path;	2081	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2083	or return;
1444		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1445	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1446		2092
1447	1	2093	1
1448	}	2094	}
1449		2095
		2096	# used to laod the header of an original map
1450	sub load_header_orig {	2097	sub load_header_orig {
1451	my ($self) = @_;	2098	my ($self) = @_;
1452		2099
1453	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1454	}	2101	}
1455		2102
		2103	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2104	sub load_header_temp {
1457	my ($self) = @_;	2105	my ($self) = @_;
1458		2106
1459	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1460	}	2108	}
1461		2109
		2110	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2111	sub prepare_temp {
1463	my ($self) = @_;	2112	my ($self) = @_;
1464		2113
1465	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1467	# safety	2116	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2119	}
1471		2120
		2121	# called after loading the header from an original map
1472	sub prepare_orig {	2122	sub prepare_orig {
1473	my ($self) = @_;	2123	my ($self) = @_;
1474		2124
1475	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2150
1501	sub find;	2151	sub find;
1502	sub find {	2152	sub find {
1503	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1504		2154
		2155	cf::cede_to_tick;
		2156
1505	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1506		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2161
1509	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1512	or return;	2164	or return;
1513		2165
1514	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1515		2167
…		…
1517	or return;	2169	or return;
1518		2170
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1522	$map->reset;	2176	$map->reset;
1523	undef $guard;
1524	return find $path;	2177	return find $path;
1525	}	2178	}
1526		2179
1527	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1528	}	2181	}
1529	}	2182	}
1530		2183
1531	sub pre_load { }	2184	sub pre_load { }
1532	sub post_load { }	2185	#sub post_load { } # XS
1533		2186
1534	sub load {	2187	sub load {
1535	my ($self) = @_;	2188	my ($self) = @_;
1536		2189
1537	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1538		2191
1539	my $path = $self->{path};	2192	my $path = $self->{path};
1540		2193
1541	{	2194	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1543		2196
		2197	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2199
1548	$self->alloc;	2200	$self->alloc;
1549		2201
1550	$self->pre_load;	2202	$self->pre_load;
1551	Coro::cede;	2203	cf::cede_to_tick;
1552		2204
1553	$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)
1554	or return;	2209	or return;
1555		2210
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1557	if delete $self->{load_original};	2212	if delete $self->{load_original};
1558		2213
1559	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2215	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2218	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1564	}	2223	}
1565	}
1566		2224
1567	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;
1568	# now do the right thing for maps	2234	# now do the right thing for maps
1569	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2237	unless $self->difficulty;
1572	Coro::cede;	2238	cf::cede_to_tick;
1573		2239
1574	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2241	$self->decay_objects;
1576	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1577	$self->update_buttons;	2243	$self->update_buttons;
1578	Coro::cede;	2244	$self->post_load_physics;
1579	$self->set_darkness_map;	2245	cf::cede_to_tick;
1580	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1581	$self->activate;
1582	}	2247	}
1583		2248
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1585	}	2251	}
1586		2252
1587	$self->post_load;	2253	$self->post_load;
1588	}
1589		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2261	sub customise_for {
1591	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1592		2263
1593	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2265	if $self->per_player;
…		…
1598		2269
1599	$self	2270	$self
1600	}	2271	}
1601		2272
1602	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2274	sub load_neighbours {
1604	my ($map) = @_;	2275	my ($map) = @_;
1605		2276
1606	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1607		2278
1608	for (0 .. 3) {	2279	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1610	or next;	2281	or next;
1611	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1612	or next;	2283	or next;
1613	$neigh->load;	2284	$neigh->load;
1614		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2290	}
1618		2291
1619	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1621	or next;	2295	or next;
1622	$neigh->load;	2296	$neigh->load;
1623	}	2297	}
1624	}	2298	}
1625		2299
1626	sub find_sync {	2300	sub find_sync {
1627	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1628		2302
1629	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1630	}	2308	}
1631		2309
1632	sub do_load_sync {	2310	sub do_load_sync {
1633	my ($map) = @_;	2311	my ($map) = @_;
1634		2312
1635	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1636	}	2318	}
1637		2319
1638	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1640		2322
1641	sub find_async {	2323	sub find_async {
1642	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1643		2325
1644	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1645		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1646	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1648	}	2332	}
1649		2333
1650	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1651	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1652	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2341	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2342	$map->load if $v;
		2343	}
1657		2344
1658	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1659	}	2346	}
1660	}	2347	}
1661	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1662	};	2349	};
1663	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1664		2351
1665	()	2352	()
1666	}	2353	}
1667		2354
		2355	# common code, used by both ->save and ->swapout
1668	sub save {	2356	sub _save {
1669	my ($self) = @_;	2357	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2358
1673	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1674		2360
1675	return unless $self->dirty;	2361	return unless $self->dirty;
1676		2362
…		…
1682	return if $self->{deny_save};	2368	return if $self->{deny_save};
1683		2369
1684	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1685		2371
1686	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1688	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1689		2378
1690	if ($uniq) {	2379	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2382	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2384	}
1696	}	2385	}
1697		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1698	sub swap_out {	2395	sub swap_out {
1699	my ($self) = @_;	2396	my ($self) = @_;
1700		2397
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1706	return if $self->players;	2402	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1710	$self->clear;	2413	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2414	}
1713		2415
1714	sub reset_at {	2416	sub reset_at {
1715	my ($self) = @_;	2417	my ($self) = @_;
1716		2418
…		…
1734		2436
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2438
1737	return if $self->players;	2439	return if $self->players;
1738		2440
1739	warn "resetting map ", $self->path;	2441	cf::trace "resetting map ", $self->path, "\n";
1740		2442
1741	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
1742		2444
1743	# need to save uniques path	2445	# need to save uniques path
1744	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2448
…		…
1748	if $uniq;	2450	if $uniq;
1749	}	2451	}
1750		2452
1751	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1752		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2457	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2458
1757	$self->unlink_save;	2459	$self->unlink_save;
1758	$self->destroy;	2460	$self->destroy;
1759	}	2461	}
1760		2462
1761	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1762		2464
1763	sub nuke {	2465	sub nuke {
1764	my ($self) = @_;	2466	my ($self) = @_;
1765		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1766	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1767		2472
1768	$self->unlink_save;	2473	$self->unlink_save;
1769		2474
1770	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2480
1776	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1777		2483
1778	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
1779	}	2485	}
1780		2486
1781	=item $maps = cf::map::tmp_maps	2487	=item $maps = cf::map::tmp_maps
1782		2488
1783	Returns an arrayref with all map paths of currently instantiated and saved	2489	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2490	maps. May block.
1785		2491
1786	=cut	2492	=cut
1787		2493
1788	sub tmp_maps() {	2494	sub tmp_maps() {
1789	[	2495	[
1790	map {	2496	map {
1791	utf8::decode $_;	2497	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2498	/\.map$/
1793	? normalise $_	2499	? normalise $_
1794	: ()	2500	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2501	} @{ aio_readdir $TMPDIR or [] }
1796	]	2502	]
1797	}	2503	}
1798		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
		2521	}
		2522
1799	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1800		2524
1801	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2526	instantiated unique items. May block.
1803		2527
…		…
1805		2529
1806	sub unique_maps() {	2530	sub unique_maps() {
1807	[	2531	[
1808	map {	2532	map {
1809	utf8::decode $_;	2533	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
1811	? normalise $_	2537	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2539	]
1815	}	2540	}
1816		2541
1817	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
1818		2573
1819	=back	2574	=back
1820		2575
1821	=head3 cf::object	2576	=head3 cf::object
1822		2577
…		…
1826		2581
1827	=over 4	2582	=over 4
1828		2583
1829	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1830		2585
1831	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1832		2588
1833	=cut	2589	=cut
1834		2590
1835	sub inv_recursive_;	2591	sub inv_recursive_;
1836	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1839		2595
1840	sub inv_recursive {	2596	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1842	}	2598	}
1843		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1844	package cf;	2628	package cf;
1845		2629
1846	=back	2630	=back
1847		2631
1848	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1857		2641
1858	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1859		2657
1860	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2659	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1865		2663
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2665
1868	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1870	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1873	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1874	}	2691	}
1875		2692
1876	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1877		2694
1878	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1891		2708
1892	=item $player_object->enter_link	2709	=item $player_object->enter_link
1893		2710
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2712
1896	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1898		2717
1899	Will never block.	2718	Will never block.
1900		2719
1901	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1902		2721
…		…
1922	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1923	my ($self) = @_;	2742	my ($self) = @_;
1924		2743
1925	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1926		2745
		2746	++$self->{_link_recursion};
		2747
1927	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1928		2749
1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1930	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
1931		2752
1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1933	}	2754	}
1934		2755
1935	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1936	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
1937		2758
…		…
1954	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1955	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1956		2777
1957	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1960		2781
1961	$map->load;	2782	$map->load;
1962	$map->load_diag;	2783	$map->load_neighbours;
1963		2784
1964	return unless $self->contr->active;	2785	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2786
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
1969	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
1970		2794
		2795	}
		2796
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1972		2798
1973	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
1977		2807
1978	=cut	2808	=cut
1979		2809
1980	our $GOTOGEN;	2810	our $GOTOGEN;
1981		2811
1982	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
1984		2820
1985	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2823
1988	$self->enter_link;	2824	$self->enter_link;
1989		2825
1990	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
1991	my $map = eval {	2848	my $map = eval {
1992	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1993		2850
1994	if ($map) {	2851	if ($map) {
1995	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
1997	} else {	2854	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2856	}
2000		2857
2001	$map	2858	$map
2002	};	2859	};
2003		2860
…		…
2008		2865
2009	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2012	}	2869	}
		2870
		2871	$done->($self) if $done;
2013	})->prio (1);	2872	})->prio (1);
2014	}	2873	}
2015		2874
2016	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2017		2876
…		…
2037	}	2896	}
2038		2897
2039	sub prepare_random_map {	2898	sub prepare_random_map {
2040	my ($exit) = @_;	2899	my ($exit) = @_;
2041		2900
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2903	# that depends on the exit object
2047		2904
2048	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2907	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2055	}	2914	}
2056		2915
2057	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2058		2917
2059	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2062		2921
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2924	undef $fh;
2066	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2067		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2070	}	2933	}
2071	}	2934	}
2072		2935
2073	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2075		2938
2076	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2077		2940
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2941	$self->enter_link;
2090		2942
2091	(async {	2943	(async {
2092	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2093	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2094	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2095		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2096	1;	2982	1
2097	}) {	2983	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2102		2988
2103	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2104	$self->leave_link;	2990	$self->leave_link;
2105	}	2991	}
2106	})->prio (1);	2992	})->prio (1);
2107	}	2993	}
2108		2994
…		…
2122		3008
2123	utf8::encode $text;	3009	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	3011	}
2126		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
2127	=item $client->ext_event ($type, %msg)	3200	=item $client->ext_msg ($type, @msg)
2128		3201
2129	Sends an exti event to the client.	3202	Sends an ext event to the client.
2130		3203
2131	=cut	3204	=cut
2132		3205
2133	sub cf::client::ext_event($$%) {	3206	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	3207	my ($self, $type, @msg) = @_;
2135		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	3212	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
2138	}	3233	}
2139		3234
2140	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2141		3236
2142	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		3240
2146	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	3242	become reliable at some point in the future.
2148		3243
2149	=cut	3244	=cut
2150		3245
2151	sub cf::client::query {	3246	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	3255	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		3257
2163	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2165	}	3262	}
2166		3263
2167	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2168	on_reply => sub {	3270	on_reply => sub {
2169	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2170		3272
2171	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2172	# get handled first	3274	# get handled first
…		…
2184	} else {	3286	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3288	}
2187	}	3289	}
2188	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
2189	);	3317	);
2190		3318
2191	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2192		3320
2193	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2209		3337
2210	$coro	3338	$coro
2211	}	3339	}
2212		3340
2213	cf::client->attach (	3341	cf::client->attach (
2214	on_destroy => sub {	3342	on_client_destroy => sub {
2215	my ($ns) = @_;	3343	my ($ns) = @_;
2216		3344
2217	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2218	},	3346	},
2219	);	3347	);
…		…
2234	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2236		3364
2237	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2238		3366
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2240		3372
2241	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2242		3374
2243	=pod	3375	=pod
2244		3376
2245	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2246		3378
2247	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2248	cf::object::player player	3384	cf::object::player
2249	cf::player peaceful	3385	player
2250	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2251		3392
2252	=cut	3393	=cut
2253		3394
2254	for (	3395	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2256	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2259	) {	3402	) {
2260	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2263	for @funs;	3405	for @funs;
2264	}	3406	}
2265		3407
…		…
2280		3422
2281	my $qcode = $code;	3423	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2284		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2285	local $_;	3430	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;
2287		3431
2288	my $eval =	3432	my $eval =
2289	"do {\n"	3433	"do {\n"
2290	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2291	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2292	. $code	3436	. $code
2293	. "\n}"	3437	. "\n}"
2294	;	3438	;
2295		3439
		3440	if ($CFG{safe_eval}) {
2296	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2297	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2298	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2299		3449
2300	if ($@) {	3450	if ($@) {
2301	warn "$@";	3451	warn "$@",
2302	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2303	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2304	}	3454	}
2305		3455
2306	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2307	}	3457	}
2308		3458
…		…
2322	=cut	3472	=cut
2323		3473
2324	sub register_script_function {	3474	sub register_script_function {
2325	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2326		3476
2327	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2328	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2329	}	3479	}
2330		3480
2331	=back	3481	=back
2332		3482
2333	=cut	3483	=cut
2334
2335	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506		3484
2507	#############################################################################	3485	#############################################################################
2508	# the server's init and main functions	3486	# the server's init and main functions
2509		3487
2510	sub load_facedata($) {	3488	sub load_facedata($) {
2511	my ($path) = @_;	3489	my ($path) = @_;
2512		3490
		3491	# HACK to clear player env face cache, we need some signal framework
		3492	# for this (global event?)
		3493	%ext::player_env::MUSIC_FACE_CACHE = ();
		3494
		3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3496
2513	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2514		3498
2515	my $facedata;	3499	my $facedata = decode_storable load_file $path;
2516	0 < aio_load $path, $facedata
2517	or die "$path: $!";
2518
2519	$facedata = Coro::Storable::thaw $facedata;
2520		3500
2521	$facedata->{version} == 2	3501	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3503
		3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3506	$facedata->{resource}{"res/exp_table"} = {
		3507	type => FT_RSRC,
		3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
		3510	};
		3511	cf::cede_to_tick;
		3512
2524	{	3513	{
2525	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2526		3515
2527	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3519	cf::face::set_visibility $idx, $info->{visibility};
		3520	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2532	Coro::cede;	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3524
		3525	cf::cede_to_tick;
2533	}	3526	}
2534		3527
2535	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2537	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2538	or next;	3532	or next;
		3533
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
		3535	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3537	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3539	}
2544	Coro::cede;	3540
		3541	cf::cede_to_tick;
2545	}	3542	}
2546	}	3543	}
2547		3544
2548	{	3545	{
2549	my $anims = $facedata->{animinfo};	3546	my $anims = $facedata->{animinfo};
2550		3547
2551	while (my ($anim, $info) = each %$anims) {	3548	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3550	cf::cede_to_tick;
2554	}	3551	}
2555		3552
2556	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2557	}	3554	}
2558		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
2559	1	3575	1
2560	}	3576	}
2561		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
2562	sub reload_regions {	3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
2563	load_resource_file "$MAPDIR/regions"	3601	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
2565	}	3608	}
2566		3609
2567	sub reload_facedata {	3610	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3611	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3612	or die "unable to load facedata\n";
…		…
2577	sub reload_treasures {	3620	sub reload_treasures {
2578	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
2579	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
2580	}	3623	}
2581		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
2582	sub reload_resources {	3645	sub reload_resources {
2583	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
2584		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
2585	reload_regions;	3653	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3654	reload_treasures;
2590		3655
2591	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
2592	}	3657	}
2593		3658
2594	sub init {	3659	sub reload_config {
2595	reload_resources;	3660	trace "reloading config file...\n";
2596	}
2597		3661
2598	sub cfg_load {	3662	my $config = load_file "$CONFDIR/config";
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3663	utf8::decode $config;
2600	or return;	3664	*CFG = decode_yaml $config;
2601		3665
2602	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;
2604
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2606		3667
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2609		3670
2610	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2614	};	3675	};
2615	warn $@ if $@;	3676	warn $@ if $@;
2616	}	3677	}
2617	}	3678	}
2618		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2619	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2620	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3721	(async {
2624	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2626	};	3725	};
2627		3726
2628	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
2629	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2630	load_extensions;	3750	load_extensions;
2631		3751
2632	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2633	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2634	}	3770	}
2635		3771
2636	#############################################################################	3772	#############################################################################
2637	# initialisation and cleanup	3773	# initialisation and cleanup
2638		3774
2639	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2640	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2649	},
2650	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2651	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2652	}	3871	}
2653		3872
2654	sub emergency_save() {	3873	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2656		3875
2657	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2658		3882
2659	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2660	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3894	$pl->save;
2668	}	3895	}
2669	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2670		3897
2671	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2672	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	3903	$map->valid or next;
2675	$map->save;	3904	$map->save;
2676	}	3905	}
2677	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
2678		3907
2679	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2682	};	3936	};
2683		3937
2684	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2685	}	3939	}
2686		3940
2687	sub post_cleanup {	3941	sub post_cleanup {
2688	my ($make_core) = @_;	3942	my ($make_core) = @_;
2689		3943
		3944	IO::AIO::flush;
		3945
2690	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
2692	}	3976	}
2693		3977
2694	sub do_reload_perl() {	3978	sub do_reload_perl() {
2695	# can/must only be called in main	3979	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2697	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2698	return;	3982	return;
2699	}	3983	}
2700		3984
2701	warn "reloading...";	3985	return if $RELOAD++;
2702		3986
2703	warn "entering sync_job";	3987	my $t1 = AE::time;
2704		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
2705	cf::sync_job {	3995	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark
2707	cf::emergency_save;	3996	#cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark
2709		3997
2710	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;
2712
2713	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();	4000	%EXT_CORO = ();
2734		4001
2735	warn "removing commands";	4002	trace "perl_reload: removing commands";
2736	%COMMAND = ();	4003	%COMMAND = ();
2737		4004
2738	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2739	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2740		4008
2741	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2744		4012
2745	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2746	eval {	4014	eval {
2747	$cb->($pkg);	4015	$cb->($pkg);
2748	1	4016	1
2749	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2750	}	4022	}
2751		4023
2752	warn "... nuking $pkg";
2753	Symbol::delete_package $pkg;
2754	}
2755
2756	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2757	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		4027
2760	warn "... unloading $k";	4028	trace "... unloading $k";
2761	delete $INC{$k};	4029	delete $INC{$k};
2762		4030
2763	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2765		4033
2766	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2767	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2768	}	4039	}
2769		4040
2770	Symbol::delete_package $k;
2771	}
2772
2773	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		4044
2777	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		4048
2781	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2782	# and global variables created in xs	4050	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2784		4052
2785	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2786		4054
2787	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2788	require cf;	4056	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2790		4058
2791	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2792	cf::cfg_load;	4060	cf::reload_config;
2793		4061
2794	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2795	cf::load_extensions;	4063	cf::load_extensions;
2796		4064
		4065	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2800	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
2803		4073
2804	warn "leaving sync_job";	4074	cf::_post_init 1;
2805		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
2806	1	4078	1
2807	} or do {	4079	} or do {
2808	warn $@;	4080	error $@;
2809	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
2810	exit 1;	4082	};
		4083
		4084	--$RELOAD;
2811	};	4085	}
2812		4086
2813	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
2814	};	4089	};
2815		4090
2816	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
2817		4092
2818	sub reload_perl() {	4093	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
2821		4096
2822	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	4099
2825	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	4101	do_reload_perl;
2828	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
2829	},	4103	};
2830	);	4104	};
2831	}	4105	}
2832		4106
2833	register_command "reload" => sub {	4107	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2835		4109
2836	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
		4112	async {
		4113	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	4114	reload_perl;
		4115	};
2839	}	4116	}
2840	};	4117	};
2841		4118
2842	unshift @INC, $LIBDIR;	4119	#############################################################################
2843		4120
2844	my $bug_warning = 0;	4121	my $bug_warning = 0;
2845		4122
2846	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;
2848
2849	sub wait_for_tick {	4123	sub wait_for_tick() {
2850	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2851	return if $Coro::current == $Coro::main;
2852		4125
2853	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
2854	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;
2856	}	4127	}
2857		4128
2858	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
2859	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2860	return if $Coro::current == $Coro::main;
2861		4131
2862	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	4134	$signal->wait;
2865	}	4135	}
2866		4136
2867	my $min = 1e6;#d#	4137	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2879	return;	4141	return;
2880	}	4142	}
2881		4143
2882	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
2883		4145
2884	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2885		4147
2886	0 && sync_job {#d#	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	4150	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4151	$Coro::current->{desc} = "runtime saver";
2890	or die;	4152	write_runtime_sync
2891		4153	or error "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	4154	};
		4155	}
2908		4156
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	4158	$sig->send;
2925	}	4159	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
2927	$sig->send;
2928	}
2929		4161
2930	$NOW = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		4164
2941	_post_tick;	4165	if (0) {
2942		4166	if ($NEXT_TICK) {
2943		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
2944	},	4171	}
2945	);	4172	}
2946		4173
2947	{	4174	{
2948	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	4176
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
2958		4178	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	4179	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		4180
2974	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		4188
2977	cf::sync_job {	4189	cf::sync_job {
2978	eval {	4190	eval {
2979	BDB::db_env_open	4191	BDB::db_env_open
2980	$DB_ENV,	4192	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	4196	0666;
2985		4197
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	4199	};
2991		4200
2992	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	4202	};
2994	}	4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
2995	}	4214	}
2996		4215
2997	{	4216	{
		4217	# configure IO::AIO
		4218
2998	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	4222	}
3011		4223
3012	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3013		4226
3014	sub _log_backtrace {	4227	sub _log_backtrace {
3015	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3016		4229
3017	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3018		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3019	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3021	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3022	async {	4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
3023	my @bt = fork_call {	4243	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	4247	or die "addr2line: $!";
…		…
3035	}	4255	}
3036		4256
3037	@funcs	4257	@funcs
3038	};	4258	};
3039		4259
3040	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	4263	--$_log_backtrace;
3043	};	4264	};
3044	} else {	4265	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3047	}	4268	}
3048	}	4269	}
3049		4270
3050	# load additional modules	4271	# load additional modules
3051	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3052		4274
3053	END { cf::emergency_save }	4275	END { cf::emergency_save }
3054		4276
3055	1	4277	1
3056		4278

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