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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	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;
64	our $NOW;	138	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		139
67	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		143
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
84	binmode STDOUT;	160	binmode STDOUT;
85	binmode STDERR;	161	binmode STDERR;
86		162
87	# read virtual server time, if available	163	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
92	}	168	}
93		169
94	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	171
96	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		174
101	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
102		176
103	sub cf::map::normalise;	177	sub cf::map::normalise;
104		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
105	#############################################################################	183	#############################################################################
106		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
107	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
108		197
109	=over 4	198	=over 4
110		199
111	=item $cf::UPTIME	200	=item $cf::UPTIME
112		201
113	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.
114		218
115	=item $cf::RUNTIME	219	=item $cf::RUNTIME
116		220
117	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
118	every server tick.	222	every server tick.
119		223
120	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		227
122	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
124		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
125	=item $cf::NOW	239	=item $cf::LOAD
126		240
127	The time of the last (current) server tick.	241	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		242
133	=item %cf::CFG	243	=item %cf::CFG
134		244
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	246	from wherever your confdir points to.
137		247
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		249
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
144	=back	283	=back
145		284
146	=cut	285	=cut
147		286
148	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	294	my $msg = join "", @_;
151	utf8::encode $msg;
152		295
153	$msg .= "\n"	296	$msg .= "\n"
154	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
155		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
156	LOG llevError, $msg;	301	LOG llevWarn, $msg;
157	};	302	};
158	}	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	};
159		317
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		325
167	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	327	# within the Safe compartment.
169	for my $pkg (qw(	328	for my $pkg (qw(
170	cf::global cf::attachable	329	cf::global cf::attachable
171	cf::object cf::object::player	330	cf::object cf::object::player
172	cf::client cf::player	331	cf::client cf::player
173	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
174	cf::map cf::party cf::region	334	cf::party cf::region
175	)) {	335	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	337	}
179		338
180	$Event::DIED = sub {	339	$EV::DIED = sub {
181	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
182	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
183		349
184	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
185		351
186	=over 4	352	=over 4
187		353
…		…
206	$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;
207	$d	373	$d
208	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
209	}	375	}
210		376
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
212		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
213	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
214		392
215	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
216		394
217	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
218		396
219	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	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
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$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	}
268	};	578	}
269	$TICK_WATCHER->stop;	579	};
270	$guard	580
		581	sub get_slot($;$$) {
		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;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		612
289	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
290	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
291	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
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		684
351	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
352		689
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
354	or return;
355		691
356	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
358	# 60 allows for the watchdog to kill the server.	694	}
359		695
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
361	and return;	697	my ($cb, @args) = @_;
362		698
363	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
365	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	close $fh	703	my @res = Coro::Util::fork_eval {
368	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
370	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
371	and return;	709	}
372		710
		711	sub objinfo {
373	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"
374	}	875	}
375		876
376	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
377		878
378	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.
379		880
380	=cut	881	=cut
381		882
382	sub datalog($@) {	883	sub datalog($@) {
383	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	886	}
386		887
387	=back	888	=back
388		889
389	=cut	890	=cut
390		891
391	#############################################################################	892	#############################################################################
392		893
393	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
394		895
395	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
396	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")
397	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
398		899
399	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>
400	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
401	crossfire+).	902	Deliantra).
402		903
403	=over 4	904	=over 4
404		905
405	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
406		907
…		…
450	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
451		952
452	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
453	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
454		955
455	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		958
458	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
459		960
460	=over 4	961	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
570		1071
571	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1076
576	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
578		1079
579	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
584		1085
585	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1088
588	} elsif (ref $type) {	1089	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
590		1091
591	} else {	1092	} else {
592	shift @arg;	1093	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
594	}	1095	}
595	}	1096	}
596	}	1097	}
597		1098
598	sub _object_attach {	1099	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
609	}	1110	}
610		1111
611	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
612	} else {	1113	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1115	}
615		1116
616	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
617	}	1118	}
618		1119
…		…
620	if (ref $_[0]) {	1121	if (ref $_[0]) {
621	_object_attach @_;	1122	_object_attach @_;
622	} else {	1123	} else {
623	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
624	}	1125	}
		1126	_recalc_want;
625	};	1127	};
626		1128
627	# all those should be optimised	1129	# all those should be optimised
628	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1135	reattach ($obj);
634	} else {	1136	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
636	}	1138	}
		1139	_recalc_want;
637	};	1140	};
638		1141
639	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
641		1144
…		…
656	";	1159	";
657	die if $@;	1160	die if $@;
658	}	1161	}
659		1162
660	our $override;	1163	our $override;
661	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?
662		1165
663	sub override {	1166	sub override {
664	$override = 1;	1167	$override = 1;
665	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
666	}	1169	}
667		1170
668	sub do_invoke {	1171	sub do_invoke {
669	my $event = shift;	1172	my $event = shift;
670	my $callbacks = shift;	1173	my $callbacks = shift;
671		1174
672	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
673		1176
674	local $override;	1177	local $override;
675		1178
676	for (@$callbacks) {	1179	for (@$callbacks) {
677	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
678		1181
679	if ($@) {	1182	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1184	override;
683	}	1185	}
684		1186
685	return 1 if $override;	1187	return 1 if $override;
686	}	1188	}
687		1189
688	0	1190	0
689	}	1191	}
690		1192
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1194
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1196
695	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
696		1198
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1202
701	=back	1203	=back
702		1204
703	=cut	1205	=cut
704		1206
705	#############################################################################	1207	#############################################################################
706	# 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	}
707		1251
708	sub reattach {	1252	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1254	my ($obj) = @_;
711		1255
		1256	# no longer needed after getting rid of delete_package?
712	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
713		1258
714	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
715		1260
716	@$registry = ();	1261	@$registry = ();
717		1262
…		…
722	for (@$attach) {	1267	for (@$attach) {
723	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
725	}	1270	}
726	} else {	1271	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1273	}
729	}	1274	}
730	}	1275	}
731		1276
732	cf::attachable->attach (	1277	cf::attachable->attach (
733	prio => -1000000,	1278	prio => -1000000,
734	on_instantiate => sub {	1279	on_instantiate => sub {
735	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
736		1281
737	$data = from_json $data;	1282	$data = decode_json $data;
738		1283
739	for (@$data) {	1284	for (@$data) {
740	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
741		1286
742	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1303	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
760		1305
761	sync_job {	1306	sync_job {
762	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
765		1312
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1320	aio_close $fh;
771		1321
772	if (@$objs) {	1322	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1331	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
780	}	1333	}
781	} else {	1334	} else {
782	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
783	}	1336	}
784		1337
785	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1342	} else {
787	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
788	}	1344	}
789	} else {	1345	} else {
790	aio_unlink $filename;	1346	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
792	}	1348	}
793	}	1349	};
794	}	1350	}
795		1351
796	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
798		1354
…		…
810	or return;	1366	or return;
811		1367
812	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
814	or return;	1370	or return;
		1371
815	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
816	}	1374	}
817		1375
		1376	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
820	return ($data, $av);	1381	($data, $av)
821	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
822		1389
823	#############################################################################	1390	#############################################################################
824	# command handling &c	1391	# command handling &c
825		1392
826	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1407	}
841		1408
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1410
844	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.
845		1416
846	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
847	called.	1418	called.
848		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
849	=cut	1431	=cut
850		1432
851	sub register_extcmd {	1433	sub register_extcmd {
852	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
853		1435
854	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
855	}	1437	}
856		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
857	cf::player->attach (	1447	cf::player->attach (
858	on_command => sub {	1448	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
860		1450
861	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
862	or return;	1452	or return;
863		1453
…		…
868	cf::override;	1458	cf::override;
869	},	1459	},
870	on_extcmd => sub {	1460	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
872		1462
873	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1464
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
881	} else {	1480	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1482	}
884		1483
885	cf::override;	1484	cf::override;
886	},	1485	},
887	);	1486	);
888		1487
		1488	# "readahead" all extensions
889	sub load_extension {	1489	sub cache_extensions {
890	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
891		1491
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1495	}
917	die $@;
918	}	1496	};
919		1497
920	push @EXTS, $pkg;	1498	$grp
921	}	1499	}
922		1500
923	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
924	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1508	next unless -r $path;
926	eval {	1509
927	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	}
928	1	1573	}
929	} 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	}
930	}	1586	};
931	}	1587	}
932		1588
933	#############################################################################	1589	#############################################################################
934		1590
		1591	=back
		1592
935	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
936		1594
937	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
938		1596
939	=cut	1597	=cut
940		1598
941	package cf::player;	1599	package cf::player;
942		1600
…		…
944		1602
945	=head3 cf::player	1603	=head3 cf::player
946		1604
947	=over 4	1605	=over 4
948		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
949	=item cf::player::find $login	1621	=item cf::player::find $login
950		1622
951	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
952		1624
953	=cut	1625	=cut
954		1626
955	sub playerdir($) {	1627	sub playerdir($) {
956	cf::localdir	1628	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1630	}
962		1631
963	sub path($) {	1632	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1643
975	sub exists($) {	1644	sub exists($) {
976	my ($login) = @_;	1645	my ($login) = @_;
977		1646
978	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
980	}	1649	}
981		1650
982	sub find($) {	1651	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1653	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
995		1664
996	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
999	}	1674	}
1000	}	1675	}
1001	}	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	);
1002		1690
1003	sub save($) {	1691	sub save($) {
1004	my ($pl) = @_;	1692	my ($pl) = @_;
1005		1693
1006	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1012		1700
1013	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1017	Coro::cede;	1710	cf::cede_to_tick;
1018	}	1711	}
1019		1712
1020	sub new($) {	1713	sub new($) {
1021	my ($login) = @_;	1714	my ($login) = @_;
1022		1715
…		…
1028	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1029		1722
1030	$self	1723	$self
1031	}	1724	}
1032		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
1033	=item $pl->quit_character	1736	=item $pl->quit_character
1034		1737
1035	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
1036	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1037		1740
…		…
1041	my ($pl) = @_;	1744	my ($pl) = @_;
1042		1745
1043	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1044		1747
1045	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1046	$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
1047		1750
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1051	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1052		1759
1053	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1085		1792
1086	=cut	1793	=cut
1087		1794
1088	sub list_logins {	1795	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1797	or return [];
1091		1798
1092	my @logins;	1799	my @logins;
1093		1800
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1098		1811
1099	utf8::decode $login;	1812	utf8::decode $login;
1100	push @logins, $login;	1813	push @logins, $login;
1101	}	1814	}
1102		1815
1103	\@logins	1816	\@logins
1104	}	1817	}
1105		1818
1106	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1107		1822
1108	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1109	player. May block.	1824	player. May block.
1110		1825
1111	=cut	1826	=cut
…		…
1129	}	1844	}
1130		1845
1131	\@paths	1846	\@paths
1132	}	1847	}
1133		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1134	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1135		1854
1136	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1137		1856
1138	=cut	1857	=cut
1139		1858
1140	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1142		1861
1143	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1863	}
1147		1864
1148	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1149		1866
1150	Sends an ext event to the client.	1867	Sends an ext event to the client.
1151		1868
1152	=cut	1869	=cut
1153		1870
1154	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1156		1873
1157	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1158	}	1875	}
1159		1876
1160	=head3 cf::region	1877	=head3 cf::region
1161		1878
1162	=over 4	1879	=over 4
…		…
1165		1882
1166	package cf::region;	1883	package cf::region;
1167		1884
1168	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1169		1886
1170	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.
1171		1888
1172	=cut	1889	=cut
1173		1890
1174	sub find_by_path($) {	1891	sub find_by_path($) {
1175	my ($path) = @_;	1892	my ($path) = @_;
1176		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1177	my ($match, $specificity);	1896	my ($match, $specificity);
1178		1897
1179	for my $region (list) {	1898	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1183	}	1902	}
1184	}	1903	}
1185		1904
…		…
1206	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1208		1927
1209	sub generate_random_map {	1928	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1212	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1934	}
1226		1935
1227	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1228		1937
1229	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
…		…
1234		1943
1235	sub register {	1944	sub register {
1236	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1946	my $pkg = caller;
1238		1947
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1949
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1951	}
1244		1952
1245	# also paths starting with '/'	1953	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1955
1248	sub thawer_merge {	1956	sub thawer_merge {
1249	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1250		1958
1251	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1252	local $self->{path};	1960	local $self->{path};
1253	local $self->{load_path};	1961	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1962
1257	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1258	}	1964	}
1259		1965
1260	sub normalise {	1966	sub normalise {
1261	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1262		1968
1263	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1264		1970
1265	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1266		1972
1267	# map plan:	1973	# map plan:
1268	#	1974	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1990	$path = "$base/$path";
1285	}	1991	}
1286		1992
1287	for ($path) {	1993	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1291	}	1996	}
1292		1997
1293	$path	1998	$path
…		…
1307	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1308	return $self;	2013	return $self;
1309	}	2014	}
1310	}	2015	}
1311		2016
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2018	()
1314	}	2019	}
1315		2020
		2021	# may re-bless or do other evil things
1316	sub init {	2022	sub init {
1317	my ($self) = @_;	2023	my ($self) = @_;
1318		2024
1319	$self	2025	$self
1320	}	2026	}
…		…
1332		2038
1333	# the original (read-only) location	2039	# the original (read-only) location
1334	sub load_path {	2040	sub load_path {
1335	my ($self) = @_;	2041	my ($self) = @_;
1336		2042
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1338	}	2044	}
1339		2045
1340	# the temporary/swap location	2046	# the temporary/swap location
1341	sub save_path {	2047	sub save_path {
1342	my ($self) = @_;	2048	my ($self) = @_;
1343		2049
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1346	}	2052	}
1347		2053
1348	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1349	sub uniq_path {	2055	sub uniq_path {
1350	my ($self) = @_;	2056	my ($self) = @_;
1351		2057
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1354	}	2060	}
1355		2061
1356	# and all this just because we cannot iterate over	2062	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2063	my ($self) = @_;
1360		2064
1361	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1363	}	2068	}
1364		2069
1365	sub unlink_save {	2070	sub unlink_save {
1366	my ($self) = @_;	2071	my ($self) = @_;
1367		2072
…		…
1372		2077
1373	sub load_header_from($) {	2078	sub load_header_from($) {
1374	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1375		2080
1376	utf8::encode $path;	2081	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2083	or return;
1382		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1383	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1384		2092
1385	1	2093	1
1386	}	2094	}
1387		2095
		2096	# used to laod the header of an original map
1388	sub load_header_orig {	2097	sub load_header_orig {
1389	my ($self) = @_;	2098	my ($self) = @_;
1390		2099
1391	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1392	}	2101	}
1393		2102
		2103	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2104	sub load_header_temp {
1395	my ($self) = @_;	2105	my ($self) = @_;
1396		2106
1397	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1398	}	2108	}
1399		2109
		2110	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2111	sub prepare_temp {
1401	my ($self) = @_;	2112	my ($self) = @_;
1402		2113
1403	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1405	# safety	2116	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2119	}
1409		2120
		2121	# called after loading the header from an original map
1410	sub prepare_orig {	2122	sub prepare_orig {
1411	my ($self) = @_;	2123	my ($self) = @_;
1412		2124
1413	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2137	$self->load_header_orig
1426	or return;	2138	or return;
1427	$self->prepare_orig;	2139	$self->prepare_orig;
1428	}	2140	}
1429		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1430	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2146	unless $self->default_region;
1432		2147
1433	1	2148	1
1434	}	2149	}
1435		2150
1436	sub find;	2151	sub find;
1437	sub find {	2152	sub find {
1438	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1439		2154
		2155	cf::cede_to_tick;
		2156
1440	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1441		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2161
1444	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1447	or return;	2164	or return;
1448		2165
1449	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1450		2167
1451	$map->load_header	2168	$map->load_header
1452	or return;	2169	or return;
1453		2170
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1457	$map->reset;	2176	$map->reset;
1458	undef $guard;
1459	return find $path;	2177	return find $path;
1460	}	2178	}
1461		2179
1462	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1463	}	2181	}
1464	}	2182	}
1465		2183
1466	sub pre_load { }	2184	sub pre_load { }
1467	sub post_load { }	2185	#sub post_load { } # XS
1468		2186
1469	sub load {	2187	sub load {
1470	my ($self) = @_;	2188	my ($self) = @_;
1471		2189
1472	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1473		2191
1474	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1476		2196
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1478		2199
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2200	$self->alloc;
1482		2201
1483	$self->pre_load;	2202	$self->pre_load;
1484	Coro::cede;	2203	cf::cede_to_tick;
1485		2204
1486	$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)
1487	or return;	2209	or return;
1488		2210
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1490	if delete $self->{load_original};	2212	if delete $self->{load_original};
1491		2213
1492	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2215	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2218	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1497	}	2223	}
1498	}
1499		2224
1500	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;
1501	# now do the right thing for maps	2234	# now do the right thing for maps
1502	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2237	unless $self->difficulty;
1513	Coro::cede;	2238	cf::cede_to_tick;
1514	$self->activate;	2239
1515	Coro::cede;	2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1516	}	2250	}
1517		2251
1518	$self->post_load;	2252	$self->post_load;
1519	Coro::cede;
1520		2253
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1522	}	2255	}
1523		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2260	sub customise_for {
1525	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1526		2262
1527	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2264	if $self->per_player;
1529		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1530	$self	2269	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($map) = @_;
1536
1537	my @diag; # diagonal neighbours
1538
1539	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)
1541	or next;
1542	$neigh = find $neigh, $map
1543	or next;
1544	$neigh->load;
1545
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}
1549
1550	for (@diag) {
1551	my $neigh = find @$_
1552	or next;
1553	$neigh->load;
1554	}
1555	}	2270	}
1556		2271
1557	sub find_sync {	2272	sub find_sync {
1558	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1559		2274
1560	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1561	}	2280	}
1562		2281
1563	sub do_load_sync {	2282	sub do_load_sync {
1564	my ($map) = @_;	2283	my ($map) = @_;
1565		2284
1566	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1567	}	2290	}
1568		2291
1569	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1571		2294
1572	sub find_async {	2295	sub find_async {
1573	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1574		2297
1575	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1576		2299
1577	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1579	}	2302	}
1580		2303
1581	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1582	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1583	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2311	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2312	$map->load if $v;
		2313	}
1588		2314
1589	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1590	}	2316	}
1591	}	2317	}
1592	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1593	};	2319	};
1594	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1595		2321
1596	()	2322	()
1597	}	2323	}
1598		2324
		2325	# common code, used by both ->save and ->swapout
1599	sub save {	2326	sub _save {
1600	my ($self) = @_;	2327	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2328
1604	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1605		2330
1606	return unless $self->dirty;	2331	return unless $self->dirty;
1607		2332
…		…
1613	return if $self->{deny_save};	2338	return if $self->{deny_save};
1614		2339
1615	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1616		2341
1617	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1619	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1620		2348
1621	if ($uniq) {	2349	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2352	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2354	}
1627	}	2355	}
1628		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1629	sub swap_out {	2365	sub swap_out {
1630	my ($self) = @_;	2366	my ($self) = @_;
1631		2367
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1637	return if $self->players;	2372	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1641	$self->clear;	2383	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2384	}
1644		2385
1645	sub reset_at {	2386	sub reset_at {
1646	my ($self) = @_;	2387	my ($self) = @_;
1647		2388
1648	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1651		2391
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2394
…		…
1665	my ($self) = @_;	2405	my ($self) = @_;
1666		2406
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2408
1669	return if $self->players;	2409	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2410
1672	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1673		2412
1674	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1675		2414
1676	# need to save uniques path	2415	# need to save uniques path
1677	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2418
…		…
1681	if $uniq;	2420	if $uniq;
1682	}	2421	}
1683		2422
1684	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1685		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2427	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2428
1690	$self->unlink_save;	2429	$self->unlink_save;
1691	$self->destroy;	2430	$self->destroy;
1692	}	2431	}
1693		2432
1694	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1695		2434
1696	sub nuke {	2435	sub nuke {
1697	my ($self) = @_;	2436	my ($self) = @_;
1698		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1699	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1700		2442
1701	$self->unlink_save;	2443	$self->unlink_save;
1702		2444
1703	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2450
1709	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1710		2453
1711	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1712	}	2491	}
1713		2492
1714	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1715		2494
1716	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2496	instantiated unique items. May block.
1718		2497
1719	=cut	2498	=cut
1720		2499
1721	sub unique_maps() {	2500	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1723	or return;	2502	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2503	utf8::decode $_;
1729	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2506	? ()
1732	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2509	]
1734
1735	\@paths
1736	}	2510	}
1737		2511
1738	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1739		2543
1740	=back	2544	=back
1741		2545
1742	=head3 cf::object	2546	=head3 cf::object
1743		2547
…		…
1747		2551
1748	=over 4	2552	=over 4
1749		2553
1750	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1751		2555
1752	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1753		2558
1754	=cut	2559	=cut
1755		2560
1756	sub inv_recursive_;	2561	sub inv_recursive_;
1757	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1760		2565
1761	sub inv_recursive {	2566	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1763	}	2568	}
1764		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1765	package cf;	2598	package cf;
1766		2599
1767	=back	2600	=back
1768		2601
1769	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1778		2611
1779	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1780		2627
1781	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2629	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1786		2633
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2635
1789	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1791	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1794	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1795	}	2661	}
1796		2662
1797	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1798		2664
1799	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1812		2678
1813	=item $player_object->enter_link	2679	=item $player_object->enter_link
1814		2680
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2682
1817	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1819		2687
1820	Will never block.	2688	Will never block.
1821		2689
1822	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1823		2691
…		…
1843	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2712	my ($self) = @_;
1845		2713
1846	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1847		2715
		2716	++$self->{_link_recursion};
		2717
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2719
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1852		2722
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2724	}
1855		2725
1856	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1858		2730
1859	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1860		2732
1861	unless ($map) {	2733	unless ($map) {
1862	# restore original map position	2734	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1875		2747
1876	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1879		2751
1880	$map->load;	2752	$map->load;
1881	$map->load_diag;
1882		2753
1883	return unless $self->contr->active;	2754	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2755
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1888	}	2758	# entering was successful
1889		2759	delete $self->{_link_recursion};
1890	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2761	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2762	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2763
1904	# try to abort aborted map switching on player login :)	2764	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2765
1922	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1924	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1925		2780
1926	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2792
1929	$self->enter_link;	2793	$self->enter_link;
1930		2794
1931	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1932	my $map = eval {	2817	my $map = eval {
1933	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1935	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2833	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1940	})->prio (1);	2841	})->prio (1);
1941	}	2842	}
1942		2843
1943	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1944		2845
…		…
1964	}	2865	}
1965		2866
1966	sub prepare_random_map {	2867	sub prepare_random_map {
1967	my ($exit) = @_;	2868	my ($exit) = @_;
1968		2869
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2872	# that depends on the exit object
1974		2873
1975	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2876	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1982	}	2883	}
1983		2884
1984	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1985		2886
1986	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1989		2890
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2893	undef $fh;
1993	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1994		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1997	}	2902	}
1998	}	2903	}
1999		2904
2000	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2002		2907
2003	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2004		2909
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2910	$self->enter_link;
2017		2911
2018	(async {	2912	(async {
2019	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2020	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2021	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2022		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2023	1;	2951	1
2024	}) {	2952	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2957
2030	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2959	$self->leave_link;
2032	}	2960	}
2033	})->prio (1);	2961	})->prio (1);
2034	}	2962	}
2035		2963
…		…
2049		2977
2050	utf8::encode $text;	2978	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2980	}
2053		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2054	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2055		3170
2056	Sends an exti event to the client.	3171	Sends an ext event to the client.
2057		3172
2058	=cut	3173	=cut
2059		3174
2060	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2062		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2065	}	3202	}
2066		3203
2067	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2068		3205
2069	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3209
2073	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3211	become reliable at some point in the future.
2075		3212
2076	=cut	3213	=cut
2077		3214
2078	sub cf::client::query {	3215	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3224	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3226
2090	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2092	}	3231	}
2093		3232
2094	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2095	on_reply => sub {	3239	on_reply => sub {
2096	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2097		3241
2098	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2099	# get handled first	3243	# get handled first
…		…
2111	} else {	3255	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3257	}
2114	}	3258	}
2115	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2116	);	3286	);
2117		3287
2118	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2119		3289
2120	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3306
2137	$coro	3307	$coro
2138	}	3308	}
2139		3309
2140	cf::client->attach (	3310	cf::client->attach (
2141	on_destroy => sub {	3311	on_client_destroy => sub {
2142	my ($ns) = @_;	3312	my ($ns) = @_;
2143		3313
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3315	},
2146	);	3316	);
…		…
2161	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2163		3333
2164	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2165		3335
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2167		3341
2168	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2169		3343
2170	=pod	3344	=pod
2171		3345
2172	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2173		3347
2174	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2175	cf::object::player player	3353	cf::object::player
2176	cf::player peaceful	3354	player
2177	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2178		3361
2179	=cut	3362	=cut
2180		3363
2181	for (	3364	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2186	) {	3371	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3374	for @funs;
2191	}	3375	}
2192		3376
…		…
2207		3391
2208	my $qcode = $code;	3392	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2211		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2212	local $_;	3399	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3400
2215	my $eval =	3401	my $eval =
2216	"do {\n"	3402	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3405	. $code
2220	. "\n}"	3406	. "\n}"
2221	;	3407	;
2222		3408
		3409	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2226		3418
2227	if ($@) {	3419	if ($@) {
2228	warn "$@";	3420	warn "$@",
2229	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2231	}	3423	}
2232		3424
2233	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2234	}	3426	}
2235		3427
…		…
2249	=cut	3441	=cut
2250		3442
2251	sub register_script_function {	3443	sub register_script_function {
2252	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2253		3445
2254	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2256	}	3448	}
2257		3449
2258	=back	3450	=back
2259		3451
2260	=cut	3452	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3453
2334	#############################################################################	3454	#############################################################################
2335	# the server's init and main functions	3455	# the server's init and main functions
2336		3456
2337	sub load_facedata {	3457	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3458	my ($path) = @_;
2339		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2340	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2341		3467
2342	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3469
2348	$facedata->{version} == 2	3470	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2351	{	3482	{
2352	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2353		3484
2354	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2360	}	3495	}
2361		3496
2362	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2364	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2365	or next;	3501	or next;
		3502
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3506	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3508	}
2371	Coro::cede;	3509
		3510	cf::cede_to_tick;
2372	}	3511	}
2373	}	3512	}
2374		3513
2375	{	3514	{
2376	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2377		3516
2378	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3519	cf::cede_to_tick;
2381	}	3520	}
2382		3521
2383	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2384	}	3523	}
2385		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2386	1	3544	1
2387	}	3545	}
2388		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
		3579	sub reload_facedata {
		3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2389	sub reload_resources {	3614	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3615	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3616
		3617	reload_exp_table;
		3618	reload_materials;
2392	load_facedata	3619	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3620	reload_sound;
2394	}	3621	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3622	reload_regions;
2398	}	3623	reload_treasures;
2399		3624
2400	sub cfg_load {	3625	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3626	}
2402	or return;
2403		3627
2404	local $/;	3628	sub reload_config {
2405	*CFG = YAML::Syck::Load <$fh>;	3629	trace "reloading config file...\n";
2406		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3636
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3639
2412	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2416	};	3644	};
2417	warn $@ if $@;	3645	warn $@ if $@;
2418	}	3646	}
2419	}	3647	}
2420		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2421	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2422	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3690	(async {
2426	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2428	};	3694	};
2429		3695
2430	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2431	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2432	load_extensions;	3719	load_extensions;
2433		3720
2434	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2436	}	3739	}
2437		3740
2438	#############################################################################	3741	#############################################################################
2439	# initialisation and cleanup	3742	# initialisation and cleanup
2440		3743
2441	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2442	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2451	},
2452	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2453	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2454	}	3840	}
2455		3841
2456	sub emergency_save() {	3842	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2458		3844
2459	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2460		3851
2461	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2462	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3863	$pl->save;
2470	}	3864	}
2471	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2472		3866
2473	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3872	$map->valid or next;
2477	$map->save;	3873	$map->save;
2478	}	3874	}
2479	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2480		3876
2481	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3905	};
2485		3906
2486	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2487	}	3908	}
2488		3909
2489	sub post_cleanup {	3910	sub post_cleanup {
2490	my ($make_core) = @_;	3911	my ($make_core) = @_;
2491		3912
		3913	IO::AIO::flush;
		3914
2492	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3916	if $make_core;
2494	}
2495		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2496	sub reload() {	3947	sub do_reload_perl() {
2497	# can/must only be called in main	3948	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2499	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2500	return;	3951	return;
2501	}	3952	}
2502		3953
2503	warn "reloading...";	3954	return if $RELOAD++;
2504		3955
2505	warn "entering sync_job";	3956	my $t1 = AE::time;
2506		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2507	cf::sync_job {	3964	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3965	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3966
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3969	%EXT_CORO = ();
2536		3970
2537	warn "removing commands";	3971	trace "perl_reload: removing commands";
2538	%COMMAND = ();	3972	%COMMAND = ();
2539		3973
2540	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2541	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2542		3977
2543	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2546		3981
2547	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2548	eval {	3983	eval {
2549	$cb->($pkg);	3984	$cb->($pkg);
2550	1	3985	1
2551	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2552	}	3991	}
2553		3992
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3996
2562	warn "... unloading $k";	3997	trace "... unloading $k";
2563	delete $INC{$k};	3998	delete $INC{$k};
2564		3999
2565	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2567		4002
2568	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2570	}	4008	}
2571		4009
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		4013
2579	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		4017
2582	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2583	# and global variables created in xs	4019	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2585		4021
2586	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2587		4023
2588	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2589	require cf;	4025	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2591		4027
2592	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2593	cf::cfg_load;	4029	cf::reload_config;
2594		4030
2595	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2596	cf::load_extensions;	4032	cf::load_extensions;
2597		4033
		4034	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2601	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2604		4042
2605	warn "loading reloadable resources";	4043	cf::_post_init 1;
2606	reload_resources;
2607		4044
2608	warn "leaving sync_job";	4045	trace "perl_reload: leaving sync_job";
2609		4046
2610	1	4047	1
2611	} or do {	4048	} or do {
2612	warn $@;	4049	error $@;
2613	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2614	exit 1;	4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2615	};	4073	};
2616		4074	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4075
2622	register_command "reload" => sub {	4076	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2624		4078
2625	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2627		4081	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4083	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4084	};
2640	}	4085	}
2641	};	4086	};
2642		4087
2643	unshift @INC, $LIBDIR;	4088	#############################################################################
2644		4089
2645	my $bug_warning = 0;	4090	my $bug_warning = 0;
2646		4091
2647	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;
2649
2650	sub wait_for_tick {	4092	sub wait_for_tick() {
2651	my $signal = new Coro::Signal;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2652	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;
2654	}
2655		4094
		4095	$WAIT_FOR_TICK->wait;
		4096	}
		4097
2656	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
2657	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	4103	$signal->wait;
2660	}	4104	}
2661		4105
2662	$TICK_WATCHER = Event->timer (	4106	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2672	return;	4110	return;
2673	}	4111	}
2674		4112
2675	$NOW = Event::time;	4113	cf::one_tick; # one server iteration
2676		4114
2677	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		4116
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	4121	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
2686	};
2687	}	4123	};
		4124	}
2688		4125
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	4127	$sig->send;
2691	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	4128	}
2705	);	4129	$WAIT_FOR_TICK->broadcast;
		4130
		4131	$LOAD = ($NOW - $TICK_START) / $TICK;
		4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
		4140	}
		4141	}
2706		4142
2707	{	4143	{
2708	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	4145
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2718		4147	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		4149
2734	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		4157
2737	cf::sync_job {	4158	cf::sync_job {
2738	eval {	4159	eval {
2739	BDB::db_env_open	4160	BDB::db_env_open
2740	$DB_ENV,	4161	$DB_ENV,
2741	$BDB_ENV_DIR,	4162	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	4165	0666;
2745		4166
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	4168	};
2751		4169
2752	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	4171	};
2754	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2755	}	4183	}
2756		4184
2757	{	4185	{
		4186	# configure IO::AIO
		4187
2758	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	4191	}
		4192
		4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
		4195
		4196	sub _log_backtrace {
		4197	my ($msg, @addr) = @_;
		4198
		4199	$msg =~ s/\n$//;
		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4237	}
		4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2771		4243
2772	END { cf::emergency_save }	4244	END { cf::emergency_save }
2773		4245
2774	1	4246	1
2775		4247

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