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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	138	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		139
82	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
93		143
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		146
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
100		159
101	binmode STDOUT;	160	binmode STDOUT;
102	binmode STDERR;	161	binmode STDERR;
103		162
104	# read virtual server time, if available	163	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
109	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
110		171
111	mkdir $_	172	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		174
114	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
115		176
116	sub cf::map::normalise;	177	sub cf::map::normalise;
117		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
118	#############################################################################	183	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
121		197
122	=over 4	198	=over 4
123		199
124	=item $cf::UPTIME	200	=item $cf::UPTIME
125		201
126	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.
127		218
128	=item $cf::RUNTIME	219	=item $cf::RUNTIME
129		220
130	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
131	every server tick.	222	every server tick.
…		…
137	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
140	database environment.	231	database environment.
141		232
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	233	=item $cf::LOADAVG
151		234
152	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
157		240
158	The raw value load value from the last tick.	241	The raw value load value from the last tick.
159		242
160	=item %cf::CFG	243	=item %cf::CFG
161		244
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	246	from wherever your confdir points to.
164		247
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		249
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
171	=back	283	=back
172		284
173	=cut	285	=cut
174		286
175	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	294	my $msg = join "", @_;
178		295
179	$msg .= "\n"	296	$msg .= "\n"
180	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
181		298
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		300
184	utf8::encode $msg;
185	LOG llevError, $msg;	301	LOG llevWarn, $msg;
186	};	302	};
187	}	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	};
188		317
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	328	for my $pkg (qw(
200	cf::global cf::attachable	329	cf::global cf::attachable
201	cf::object cf::object::player	330	cf::object cf::object::player
202	cf::client cf::player	331	cf::client cf::player
203	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
204	cf::map cf::party cf::region	334	cf::party cf::region
205	)) {	335	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	337	}
209		338
210	$Event::DIED = sub {	339	$EV::DIED = sub {
211	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
212	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
213		347
214	#############################################################################	348	#############################################################################
215		349
216	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
217		351
…		…
238	$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;
239	$d	373	$d
240	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
241	}	375	}
242		376
		377	=item $scalar = load_file $path
		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
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		398
251	=cut	399	=cut
252		400
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		402
255	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		467
258	=item cf::lock_wait $string	468	=item cf::lock_wait $string
259		469
260	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
261		471
262	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
263		473
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
267	returned.	477	returned.
268		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
269	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
270	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
271		484
272	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
273		486
274	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
275		488
276	=cut	489	=cut
277		490
278	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
279		492
280	sub lock_wait($) {	493	sub lock_wait($) {
281	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	495	}
289		496
290	sub lock_acquire($) {	497	sub lock_acquire($) {
291	my ($key) = @_;	498	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	499	}
303		500
304	sub lock_active($) {	501	sub lock_active($) {
305	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	503	}
309		504
310	sub freeze_mainloop {	505	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
312		507
313	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
314	$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	}
315	};	578	}
316	$TICK_WATCHER->stop;	579	};
317	$guard	580
		581	sub get_slot($;$$) {
		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;
318	}	594	}
319		595
320	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
321		597
322	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		603
328	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
329		605
330	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
331		607
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	611	acceptable.
336		612
337	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
338	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
…		…
342	=cut	618	=cut
343		619
344	sub sync_job(&) {	620	sub sync_job(&) {
345	my ($job) = @_;	621	my ($job) = @_;
346		622
347	if ($Coro::current == $Coro::main) {	623	if (in_main) {
348	my $time = Event::time;	624	my $time = AE::time;
349		625
350	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
352		628
353	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	630
355	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
356		632
357	my $busy = 1;	633	my $busy = 1;
358	my @res;	634	my @res;
359		635
360	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	638	@res = eval { $job->() };
362	warn $@ if $@;	639	error $@ if $@;
363	undef $busy;	640	undef $busy;
364	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
365		642
366	while ($busy) {	643	while ($busy) {
367	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
368	}	648	}
		649	}
369		650
370	$time = Event::time - $time;	651	my $time = AE::time - $time;
371		652
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
376		654
377	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
378	} else {	656	} else {
379	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
380		658
…		…
400	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
401		679
402	$coro	680	$coro
403	}	681	}
404		682
405	=item fork_call { }, $args	683	=item fork_call { }, @args
406		684
407	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
411		689
412	=cut	690	=cut
413		691
414	sub _store_scalar {	692	sub post_fork {
415	open my $fh, ">", \my $buf	693	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	694	}
422		695
423	sub fork_call(&@) {	696	sub fork_call(&@) {
424	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
425		698
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		702
431	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
432	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
433		707
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	709	}
436	$res = Coro::Storable::thaw $res;
437		710
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	747	}
466		748
467	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
468		750
469	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
472		754
473	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
476	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
477		784
478	our $DB;	785	our $DB;
479		786
480	sub db_init {	787	sub db_init {
481	unless ($DB) {	788	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	789	}
496		790
497	sub db_get($$) {	791	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
499		793
500	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
501	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
502		798
503	$! ? ()	799	$! ? ()
504	: $data	800	: $data
505	}
506	}	801	}
507		802
508	sub db_put($$$) {	803	sub db_put($$$) {
509	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
538		833
539	my @data;	834	my @data;
540	my $md5;	835	my $md5;
541		836
542	for (0 .. $#$src) {	837	for (0 .. $#$src) {
543	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
544	or Carp::croak "$src->[$_]: $!";
545	}	839	}
546		840
547	# if processing is expensive, check	841	# if processing is expensive, check
548	# checksum first	842	# checksum first
549	if (1) {	843	if (1) {
550	$md5 =	844	$md5 =
551	join "\x00",	845	join "\x00",
552	$processversion,	846	$processversion,
553	map {	847	map {
554	Coro::cede;	848	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	850	} 0.. $#$src;
557		851
558		852
559	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		860
567	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	862	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
570		864
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		866
573	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
576		870
…		…
586		880
587	=cut	881	=cut
588		882
589	sub datalog($@) {	883	sub datalog($@) {
590	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	886	}
593		887
594	=back	888	=back
595		889
596	=cut	890	=cut
597		891
598	#############################################################################	892	#############################################################################
599		893
600	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
601		895
602	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
603	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")
604	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
605		899
606	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>
607	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
608	Crossfire TRT).	902	Deliantra).
609		903
610	=over 4	904	=over 4
611		905
612	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
613		907
…		…
657	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
658		952
659	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
661		955
662	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		958
665	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
666		960
667	=over 4	961	=over 4
…		…
791		1085
792	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1088
795	} elsif (ref $type) {	1089	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
797		1091
798	} else {	1092	} else {
799	shift @arg;	1093	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
801	}	1095	}
802	}	1096	}
803	}	1097	}
804		1098
805	sub _object_attach {	1099	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
816	}	1110	}
817		1111
818	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
819	} else {	1113	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1115	}
822		1116
823	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
824	}	1118	}
825		1119
…		…
865	";	1159	";
866	die if $@;	1160	die if $@;
867	}	1161	}
868		1162
869	our $override;	1163	our $override;
870	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?
871		1165
872	sub override {	1166	sub override {
873	$override = 1;	1167	$override = 1;
874	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
875	}	1169	}
876		1170
877	sub do_invoke {	1171	sub do_invoke {
878	my $event = shift;	1172	my $event = shift;
879	my $callbacks = shift;	1173	my $callbacks = shift;
880		1174
881	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
882		1176
883	local $override;	1177	local $override;
884		1178
885	for (@$callbacks) {	1179	for (@$callbacks) {
886	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
887		1181
888	if ($@) {	1182	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1184	override;
892	}	1185	}
893		1186
894	return 1 if $override;	1187	return 1 if $override;
895	}	1188	}
896		1189
897	0	1190	0
898	}	1191	}
899		1192
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1194
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1196
904	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
905		1198
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1202
910	=back	1203	=back
911		1204
912	=cut	1205	=cut
913		1206
914	#############################################################################	1207	#############################################################################
915	# 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, $ob2
		1250	}
916		1251
917	sub reattach {	1252	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1254	my ($obj) = @_;
920		1255
		1256	# no longer needed after getting rid of delete_package?
921	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
922		1258
923	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
924		1260
925	@$registry = ();	1261	@$registry = ();
926		1262
…		…
931	for (@$attach) {	1267	for (@$attach) {
932	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
934	}	1270	}
935	} else {	1271	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1273	}
938	}	1274	}
939	}	1275	}
940		1276
941	cf::attachable->attach (	1277	cf::attachable->attach (
942	prio => -1000000,	1278	prio => -1000000,
943	on_instantiate => sub {	1279	on_instantiate => sub {
944	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
945		1281
946	$data = from_json $data;	1282	$data = decode_json $data;
947		1283
948	for (@$data) {	1284	for (@$data) {
949	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
950		1286
951	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1303	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
969		1305
970	sync_job {	1306	sync_job {
971	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
974		1312
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1320	aio_close $fh;
980		1321
981	if (@$objs) {	1322	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1331	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
989	}	1333	}
990	} else {	1334	} else {
991	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
992	}	1336	}
993		1337
994	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1342	} else {
996	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
997	}	1344	}
998	} else {	1345	} else {
999	aio_unlink $filename;	1346	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1001	}	1348	}
1002	}	1349	};
1003	}	1350	}
1004		1351
1005	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1007		1354
…		…
1019	or return;	1366	or return;
1020		1367
1021	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1370	or return;
		1371
1024	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1025	}	1374	}
1026		1375
		1376	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1029	return ($data, $av);	1381	($data, $av)
1030	}	1382	}
1031		1383
1032	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1033		1385
1034	=over 4	1386	=over 4
…		…
1088	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1089		1441
1090	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1091	}	1443	}
1092		1444
		1445	use File::Glob ();
		1446
1093	cf::player->attach (	1447	cf::player->attach (
1094	on_command => sub {	1448	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1096		1450
1097	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1098	or return;	1452	or return;
1099		1453
…		…
1107	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1108		1462
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1464
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1117	} else {	1480	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1482	}
1120		1483
1121	cf::override;	1484	cf::override;
1122	},	1485	},
1123	);	1486	);
1124		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1125	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1126	cf::sync_job {	1504	cf::sync_job {
1127	my %todo;	1505	my %todo;
1128		1506
1129	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1508	next unless -r $path;
…		…
1148		1526
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1529
1152	$ext{source} =	1530	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1155	. $source	1533	. $source
1156	. "\n};\n1";	1534	. "\n};\n1";
1157		1535
1158	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1159	}	1537	}
1160		1538
		1539	my $pass = 0;
1161	my %done;	1540	my %done;
1162	while (%todo) {	1541	while (%todo) {
1163	my $progress;	1542	my $progress;
1164		1543
		1544	++$pass;
		1545
		1546	ext:
1165	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1549	next ext
1168	unless exists $done{$_};	1550	unless exists $done{$_};
1169	}	1551	}
1170		1552
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1554
1173	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1178	warn $msg;	1562
1179	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1564	delete $todo{$k};
1181	}	1565	} else {
1182		1566	$done{$k} = delete $todo{$k};
1183	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1184	}	1572	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1573	}
1190		1574
1191	skip:	1575	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1577
		1578	while (my ($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	}
1194	}	1585	}
1195	};	1586	};
1196	}	1587	}
1197		1588
1198	#############################################################################	1589	#############################################################################
1199		1590
1200	=back	1591	=back
1201		1592
1202	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1203		1594
1204	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1205		1596
1206	=cut	1597	=cut
1207		1598
1208	package cf::player;	1599	package cf::player;
1209		1600
1210	use Coro::AIO;	1601	use Coro::AIO;
1211		1602
1212	=head3 cf::player	1603	=head3 cf::player
1213		1604
1214	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1215		1620
1216	=item cf::player::find $login	1621	=item cf::player::find $login
1217		1622
1218	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1219		1624
…		…
1238		1643
1239	sub exists($) {	1644	sub exists($) {
1240	my ($login) = @_;	1645	my ($login) = @_;
1241		1646
1242	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1244	}	1649	}
1245		1650
1246	sub find($) {	1651	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1653	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1664
1260	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1263	}	1674	}
1264	}	1675	}
1265	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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	);
1266		1690
1267	sub save($) {	1691	sub save($) {
1268	my ($pl) = @_;	1692	my ($pl) = @_;
1269		1693
1270	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1276		1700
1277	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1279		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
1280	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1281	Coro::cede;	1710	cf::cede_to_tick;
1282	}	1711	}
1283		1712
1284	sub new($) {	1713	sub new($) {
1285	my ($login) = @_;	1714	my ($login) = @_;
1286		1715
…		…
1292	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1293		1722
1294	$self	1723	$self
1295	}	1724	}
1296		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
1297	=item $pl->quit_character	1736	=item $pl->quit_character
1298		1737
1299	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1301		1740
…		…
1305	my ($pl) = @_;	1744	my ($pl) = @_;
1306		1745
1307	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1308		1747
1309	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1310	$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
1311		1750
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1315	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1316		1759
1317	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1354	or return [];	1797	or return [];
1355		1798
1356	my @logins;	1799	my @logins;
1357		1800
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1362		1811
1363	utf8::decode $login;	1812	utf8::decode $login;
1364	push @logins, $login;	1813	push @logins, $login;
1365	}	1814	}
1366		1815
1367	\@logins	1816	\@logins
1368	}	1817	}
1369		1818
1370	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1371		1822
1372	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1373	player. May block.	1824	player. May block.
1374		1825
1375	=cut	1826	=cut
…		…
1393	}	1844	}
1394		1845
1395	\@paths	1846	\@paths
1396	}	1847	}
1397		1848
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1850
1400	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1401		1852
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1449		1854
1450	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1451		1856
1452	=cut	1857	=cut
1453		1858
1454	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1456		1861
1457	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1863	}
1460		1864
1461	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1462		1866
1463	Sends an ext event to the client.	1867	Sends an ext event to the client.
1464		1868
1465	=cut	1869	=cut
1466		1870
1467	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1469		1873
1470	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1471	}	1875	}
1472		1876
1473	=head3 cf::region	1877	=head3 cf::region
1474		1878
1475	=over 4	1879	=over 4
…		…
1485	=cut	1889	=cut
1486		1890
1487	sub find_by_path($) {	1891	sub find_by_path($) {
1488	my ($path) = @_;	1892	my ($path) = @_;
1489		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1490	my ($match, $specificity);	1896	my ($match, $specificity);
1491		1897
1492	for my $region (list) {	1898	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1496	}	1902	}
1497	}	1903	}
1498		1904
…		…
1519	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1521		1927
1522	sub generate_random_map {	1928	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1524	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1525	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1536	(cf::region::find $rmp->{region}), $rmp->{custom}
1537	)
1538	}	1934	}
1539		1935
1540	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1541		1937
1542	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
…		…
1547		1943
1548	sub register {	1944	sub register {
1549	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1550	my $pkg = caller;	1946	my $pkg = caller;
1551		1947
1552	no strict;
1553	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1554		1949
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1951	}
1557		1952
1558	# also paths starting with '/'	1953	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1955
1561	sub thawer_merge {	1956	sub thawer_merge {
1562	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1563		1958
1564	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1569	}	1964	}
1570		1965
1571	sub normalise {	1966	sub normalise {
1572	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1573		1968
1574	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1575		1970
1576	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1577		1972
1578	# map plan:	1973	# map plan:
1579	#	1974	#
…		…
1594	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1595	$path = "$base/$path";	1990	$path = "$base/$path";
1596	}	1991	}
1597		1992
1598	for ($path) {	1993	for ($path) {
1599	redo if s{//}{/};
1600	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1601	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1602	}	1996	}
1603		1997
1604	$path	1998	$path
…		…
1618	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1619	return $self;	2013	return $self;
1620	}	2014	}
1621	}	2015	}
1622		2016
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1624	()	2018	()
1625	}	2019	}
1626		2020
		2021	# may re-bless or do other evil things
1627	sub init {	2022	sub init {
1628	my ($self) = @_;	2023	my ($self) = @_;
1629		2024
1630	$self	2025	$self
1631	}	2026	}
…		…
1650		2045
1651	# the temporary/swap location	2046	# the temporary/swap location
1652	sub save_path {	2047	sub save_path {
1653	my ($self) = @_;	2048	my ($self) = @_;
1654		2049
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1657	}	2052	}
1658		2053
1659	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1660	sub uniq_path {	2055	sub uniq_path {
1661	my ($self) = @_;	2056	my ($self) = @_;
1662		2057
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	2060	}
1675		2061
1676	sub decay_objects {	2062	sub decay_objects {
1677	my ($self) = @_;	2063	my ($self) = @_;
1678		2064
…		…
1691		2077
1692	sub load_header_from($) {	2078	sub load_header_from($) {
1693	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1694		2080
1695	utf8::encode $path;	2081	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	2083	or return;
1701		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1702	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1703		2092
1704	1	2093	1
1705	}	2094	}
1706		2095
		2096	# used to laod the header of an original map
1707	sub load_header_orig {	2097	sub load_header_orig {
1708	my ($self) = @_;	2098	my ($self) = @_;
1709		2099
1710	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1711	}	2101	}
1712		2102
		2103	# used to laod the header of an instantiated map
1713	sub load_header_temp {	2104	sub load_header_temp {
1714	my ($self) = @_;	2105	my ($self) = @_;
1715		2106
1716	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1717	}	2108	}
1718		2109
		2110	# called after loading the header from an instantiated map
1719	sub prepare_temp {	2111	sub prepare_temp {
1720	my ($self) = @_;	2112	my ($self) = @_;
1721		2113
1722	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1723	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1724	# safety	2116	# safety
1725	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1726	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1727	}	2119	}
1728		2120
		2121	# called after loading the header from an original map
1729	sub prepare_orig {	2122	sub prepare_orig {
1730	my ($self) = @_;	2123	my ($self) = @_;
1731		2124
1732	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1733	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1757		2150
1758	sub find;	2151	sub find;
1759	sub find {	2152	sub find {
1760	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1761		2154
		2155	cf::cede_to_tick;
		2156
1762	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1763		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2161
1766	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1769	or return;	2164	or return;
1770		2165
1771	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1772		2167
…		…
1774	or return;	2169	or return;
1775		2170
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1779	$map->reset;	2176	$map->reset;
1780	undef $guard;
1781	return find $path;	2177	return find $path;
1782	}	2178	}
1783		2179
1784	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1785	}	2181	}
1786	}	2182	}
1787		2183
1788	sub pre_load { }	2184	sub pre_load { }
1789	sub post_load { }	2185	#sub post_load { } # XS
1790		2186
1791	sub load {	2187	sub load {
1792	my ($self) = @_;	2188	my ($self) = @_;
1793		2189
1794	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1795		2191
1796	my $path = $self->{path};	2192	my $path = $self->{path};
1797		2193
1798	{	2194	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1800		2196
		2197	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1802
1803	$self->in_memory (cf::MAP_LOADING);
1804		2199
1805	$self->alloc;	2200	$self->alloc;
1806		2201
1807	$self->pre_load;	2202	$self->pre_load;
1808	Coro::cede;	2203	cf::cede_to_tick;
1809		2204
1810	$self->_load_objects ($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)
1811	or return;	2209	or return;
1812		2210
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1814	if delete $self->{load_original};	2212	if delete $self->{load_original};
1815		2213
1816	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2215	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2218	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1821	}	2223	}
1822	}
1823		2224
1824	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;
1825	# now do the right thing for maps	2234	# now do the right thing for maps
1826	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2237	unless $self->difficulty;
1829	Coro::cede;	2238	cf::cede_to_tick;
1830		2239
1831	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2241	$self->decay_objects;
1833	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1834	$self->update_buttons;	2243	$self->update_buttons;
1835	Coro::cede;	2244	cf::cede_to_tick;
1836	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1837	Coro::cede;
1838	$self->activate;
1839	}	2246	}
1840		2247
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1842	}	2250	}
1843		2251
1844	$self->post_load;	2252	$self->post_load;
1845	}
1846		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2260	sub customise_for {
1848	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1849		2262
1850	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2264	if $self->per_player;
…		…
1854	# if $self->per_party;	2267	# if $self->per_party;
1855		2268
1856	$self	2269	$self
1857	}	2270	}
1858		2271
1859	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {
1861	my ($map) = @_;
1862
1863	my @diag; # diagonal neighbours
1864
1865	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)
1867	or next;
1868	$neigh = find $neigh, $map
1869	or next;
1870	$neigh->load;
1871
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}
1875
1876	for (@diag) {
1877	my $neigh = find @$_
1878	or next;
1879	$neigh->load;
1880	}
1881	}
1882
1883	sub find_sync {	2272	sub find_sync {
1884	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1885		2274
1886	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, $origin
1887	}	2280	}
1888		2281
1889	sub do_load_sync {	2282	sub do_load_sync {
1890	my ($map) = @_;	2283	my ($map) = @_;
1891		2284
1892	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;
1893	}	2290	}
1894		2291
1895	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1897		2294
1898	sub find_async {	2295	sub find_async {
1899	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1900		2297
1901	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1902		2299
1903	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1905	}	2302	}
1906		2303
1907	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1908	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1909	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2311	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2312	$map->load if $v;
		2313	}
1914		2314
1915	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1916	}	2316	}
1917	}	2317	}
1918	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1919	};	2319	};
1920	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1921		2321
1922	()	2322	()
1923	}	2323	}
1924		2324
		2325	# common code, used by both ->save and ->swapout
1925	sub save {	2326	sub _save {
1926	my ($self) = @_;	2327	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2328
1930	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1931		2330
1932	return unless $self->dirty;	2331	return unless $self->dirty;
1933		2332
…		…
1939	return if $self->{deny_save};	2338	return if $self->{deny_save};
1940		2339
1941	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1942		2341
1943	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1945	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1946		2348
1947	if ($uniq) {	2349	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2352	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2354	}
1953	}	2355	}
1954		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1955	sub swap_out {	2365	sub swap_out {
1956	my ($self) = @_;	2366	my ($self) = @_;
1957		2367
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1963	return if $self->players;	2372	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		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
1967	$self->clear;	2383	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2384	}
1970		2385
1971	sub reset_at {	2386	sub reset_at {
1972	my ($self) = @_;	2387	my ($self) = @_;
1973		2388
…		…
1991		2406
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2408
1994	return if $self->players;	2409	return if $self->players;
1995		2410
1996	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
1997		2412
1998	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1999		2414
2000	# need to save uniques path	2415	# need to save uniques path
2001	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
2002	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
2003		2418
…		…
2005	if $uniq;	2420	if $uniq;
2006	}	2421	}
2007		2422
2008	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
2009		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2427	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2428
2014	$self->unlink_save;	2429	$self->unlink_save;
2015	$self->destroy;	2430	$self->destroy;
2016	}	2431	}
2017		2432
2018	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
2019		2434
2020	sub nuke {	2435	sub nuke {
2021	my ($self) = @_;	2436	my ($self) = @_;
2022		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
2023	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2024		2442
2025	$self->unlink_save;	2443	$self->unlink_save;
2026		2444
2027	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2450
2033	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
2034		2453
2035	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
2036	}	2455	}
2037		2456
2038	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
2080		2499
2081	sub unique_maps() {	2500	sub unique_maps() {
2082	[	2501	[
2083	map {	2502	map {
2084	utf8::decode $_;	2503	utf8::decode $_;
2085	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2086	? normalise $_	2507	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2509	]
2090	}	2510	}
2091		2511
2092	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	}
2093		2543
2094	=back	2544	=back
2095		2545
2096	=head3 cf::object	2546	=head3 cf::object
2097		2547
…		…
2101		2551
2102	=over 4	2552	=over 4
2103		2553
2104	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2105		2555
2106	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.
2107		2558
2108	=cut	2559	=cut
2109		2560
2110	sub inv_recursive_;	2561	sub inv_recursive_;
2111	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2114		2565
2115	sub inv_recursive {	2566	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2117	}	2568	}
2118		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
2119	package cf;	2598	package cf;
2120		2599
2121	=back	2600	=back
2122		2601
2123	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2129	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>
2130	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
2131	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2132		2611
2133	=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	};
2134		2627
2135	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2629	# with dialog boxes.
2137	#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
2138	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2145		2638
2146	} else {	2639	} else {
2147	my $pl = $self->contr;	2640	my $pl = $self->contr;
2148		2641
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2645
2158	} else {	2646	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2649	}
2162	}	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 (@_);
2163	}	2661	}
2164		2662
2165	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
2166		2664
2167	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
2180		2678
2181	=item $player_object->enter_link	2679	=item $player_object->enter_link
2182		2680
2183	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}>).
2184		2682
2185	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.
2186	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.
2187		2687
2188	Will never block.	2688	Will never block.
2189		2689
2190	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2191		2691
…		…
2211	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2712	my ($self) = @_;
2213		2713
2214	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2215		2715
		2716	++$self->{_link_recursion};
		2717
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2719
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2220		2722
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2724	}
2223		2725
2224	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2226		2728
…		…
2243	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2245		2747
2246	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2249		2751
2250	$map->load;	2752	$map->load;
2251	$map->load_diag;
2252		2753
2253	return unless $self->contr->active;	2754	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2755
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2258	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2259		2763
		2764	}
		2765
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2767
2262	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
2266		2776
2267	=cut	2777	=cut
2268		2778
2269	our $GOTOGEN;	2779	our $GOTOGEN;
2270		2780
2271	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2273		2789
2274	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2792
2277	$self->enter_link;	2793	$self->enter_link;
2278		2794
2279	(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
2280	my $map = eval {	2817	my $map = eval {
2281	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2282		2819
2283	if ($map) {	2820	if ($map) {
2284	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2823	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2825	}
2289		2826
2290	$map	2827	$map
2291	};	2828	};
2292		2829
…		…
2297		2834
2298	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2301	}	2838	}
		2839
		2840	$done->($self) if $done;
2302	})->prio (1);	2841	})->prio (1);
2303	}	2842	}
2304		2843
2305	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2306		2845
…		…
2326	}	2865	}
2327		2866
2328	sub prepare_random_map {	2867	sub prepare_random_map {
2329	my ($exit) = @_;	2868	my ($exit) = @_;
2330		2869
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2872	# that depends on the exit object
2336		2873
2337	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2876	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2344	}	2883	}
2345		2884
2346	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2347		2886
2348	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2351		2890
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2893	undef $fh;
2355	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2356		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2359	}	2902	}
2360	}	2903	}
2361		2904
2362	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2364		2907
2365	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2366		2909
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2910	$self->enter_link;
2379		2911
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2912	(async {
2385	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2386	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
2387	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2388		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
2389	1;	2951	1
2390	}) {	2952	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "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. "
2393	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2957
2396	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2959	$self->leave_link;
2398	}	2960	}
2399	})->prio (1);	2961	})->prio (1);
2400	}	2962	}
2401		2963
…		…
2415		2977
2416	utf8::encode $text;	2978	utf8::encode $text;
2417	$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);
2418	}	2980	}
2419		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
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		3008
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	3010	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2426		3013
2427	=cut	3014	=cut
2428		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" => $CHAT_CHANNEL,
		3128	);
		3129
2429	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3132
2432	$msg = $self->pl->expand_cfpod ($msg);	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	}
2433		3154
2434	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2435		3156
2436	if ($self->can_msg) {	3157	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3159	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3160
2449	if ($color >= 0) {	3161	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3162	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3164	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2460	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2461		3170
2462	Sends an ext event to the client.	3171	Sends an ext event to the client.
2463		3172
2464	=cut	3173	=cut
2465		3174
2466	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2468		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2471	}	3202	}
2472		3203
2473	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2474		3205
2475	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3261	my ($ns, $buf) = @_;
2531		3262
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3264
2534	if (ref $msg) {	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
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3273	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3274	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
2541	} else {	3280	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3282	}
2544		3283
2545	cf::override;	3284	cf::override;
2546	},	3285	},
2547	);	3286	);
…		…
2567		3306
2568	$coro	3307	$coro
2569	}	3308	}
2570		3309
2571	cf::client->attach (	3310	cf::client->attach (
2572	on_destroy => sub {	3311	on_client_destroy => sub {
2573	my ($ns) = @_;	3312	my ($ns) = @_;
2574		3313
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3315	},
2577	);	3316	);
…		…
2592	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2594		3333
2595	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2596		3335
2597	$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	));
2598		3341
2599	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2600		3343
2601	=pod	3344	=pod
2602		3345
2603	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2604		3347
2605	cf::object	3348	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3350	insert remove name archname title slaying race decrease split
		3351	value
2608		3352
2609	cf::object::player	3353	cf::object::player
2610	player	3354	player
2611		3355
2612	cf::player	3356	cf::player
…		…
2617		3361
2618	=cut	3362	=cut
2619		3363
2620	for (	3364	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2626	) {	3371	) {
2627	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2630	for @funs;	3374	for @funs;
2631	}	3375	}
2632		3376
…		…
2647		3391
2648	my $qcode = $code;	3392	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2651		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2652	local $_;	3399	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3400
2655	my $eval =	3401	my $eval =
2656	"do {\n"	3402	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3405	. $code
2660	. "\n}"	3406	. "\n}"
2661	;	3407	;
2662		3408
		3409	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	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	}
2666		3418
2667	if ($@) {	3419	if ($@) {
2668	warn "$@";	3420	warn "$@",
2669	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2671	}	3423	}
2672		3424
2673	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2674	}	3426	}
2675		3427
…		…
2689	=cut	3441	=cut
2690		3442
2691	sub register_script_function {	3443	sub register_script_function {
2692	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2693		3445
2694	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2696	}	3448	}
2697		3449
2698	=back	3450	=back
2699		3451
2700	=cut	3452	=cut
…		…
2703	# the server's init and main functions	3455	# the server's init and main functions
2704		3456
2705	sub load_facedata($) {	3457	sub load_facedata($) {
2706	my ($path) = @_;	3458	my ($path) = @_;
2707		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
2708	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2709		3467
2710	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2711	0 < aio_load $path, $facedata
2712	or die "$path: $!";
2713
2714	$facedata = Coro::Storable::thaw $facedata;
2715		3469
2716	$facedata->{version} == 2	3470	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3482	{
2720	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2721		3484
2722	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2728	}	3495	}
2729		3496
2730	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2732	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2733	or next;	3501	or next;
		3502
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3506	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3508	}
2739	Coro::cede;	3509
		3510	cf::cede_to_tick;
2740	}	3511	}
2741	}	3512	}
2742		3513
2743	{	3514	{
2744	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2745		3516
2746	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3519	cf::cede_to_tick;
2749	}	3520	}
2750		3521
2751	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2752	}	3523	}
2753		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
2754	1	3544	1
2755	}	3545	}
2756		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
2757	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2758	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2760	}	3577	}
2761		3578
2762	sub reload_facedata {	3579	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
2765	}	3582	}
2766		3583
2767	sub reload_archetypes {	3584	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3587	}
2776		3588
2777	sub reload_treasures {	3589	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2780	}	3592	}
2781		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
2782	sub reload_resources {	3614	sub reload_resources {
2783	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2784		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2785	reload_regions;	3622	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3623	reload_treasures;
2790		3624
2791	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2792	}	3626	}
2793		3627
2794	sub init {	3628	sub reload_config {
2795	reload_resources;	3629	trace "reloading config file...\n";
2796	}
2797		3630
2798	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2800	or return;	3633	*CFG = decode_yaml $config;
2801		3634
2802	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;
2804
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3636
2807	$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};
2808	$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};
2809		3639
2810	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2814	};	3644	};
2815	warn $@ if $@;	3645	warn $@ if $@;
2816	}	3646	}
2817	}	3647	}
2818		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
2819	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
2820	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2822	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#
2823	(async {	3690	(async {
2824	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2826	};	3694	};
2827		3695
2828	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;
2829	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
2830	load_extensions;	3719	load_extensions;
2831		3720
2832	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2834	}	3738	}
2835		3739
2836	#############################################################################	3740	#############################################################################
2837	# initialisation and cleanup	3741	# initialisation and cleanup
2838		3742
2839	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2840	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2849	},
2850	);	3749	};
2851	}	3750	}
2852	}	3751	}
2853		3752
2854	sub write_runtime {	3753	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
2856		3755
2857	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
2859		3758
2860	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3760
2862	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
2863		3762
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3764	or return;
2866		3765
2867	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
2880		3779
2881	close $fh	3780	close $fh
2882	or return;	3781	or return;
2883		3782
2884	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3784	and return;
2886		3785
2887	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3787
2889	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2890	}	3839	}
2891		3840
2892	sub emergency_save() {	3841	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2894		3843
2895	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2896		3850
2897	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2898	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3862	$pl->save;
2906	}	3863	}
2907	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2908		3865
2909	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3871	$map->valid or next;
2913	$map->save;	3872	$map->save;
2914	}	3873	}
2915	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2916		3875
2917	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2920	};	3904	};
2921		3905
2922	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2923	}	3907	}
2924		3908
2925	sub post_cleanup {	3909	sub post_cleanup {
2926	my ($make_core) = @_;	3910	my ($make_core) = @_;
2927		3911
		3912	IO::AIO::flush;
		3913
2928	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2930	}	3944	}
2931		3945
2932	sub do_reload_perl() {	3946	sub do_reload_perl() {
2933	# can/must only be called in main	3947	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2935	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2936	return;	3950	return;
2937	}	3951	}
2938		3952
2939	warn "reloading...";	3953	return if $RELOAD++;
2940		3954
2941	warn "entering sync_job";	3955	my $t1 = AE::time;
2942		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2943	cf::sync_job {	3963	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	3964	#cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		3965
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	3968	%EXT_CORO = ();
2972		3969
2973	warn "removing commands";	3970	trace "perl_reload: removing commands";
2974	%COMMAND = ();	3971	%COMMAND = ();
2975		3972
2976	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
2977	%EXTCMD = ();	3974	%EXTCMD = ();
2978	%EXTICMD = ();	3975	%EXTICMD = ();
2979		3976
2980	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2983		3980
2984	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2985	eval {	3982	eval {
2986	$cb->($pkg);	3983	$cb->($pkg);
2987	1	3984	1
2988	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2989	}	3990	}
2990		3991
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3995
2999	warn "... unloading $k";	3996	trace "... unloading $k";
3000	delete $INC{$k};	3997	delete $INC{$k};
3001		3998
3002	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3004		4001
3005	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3007	}	4007	}
3008		4008
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		4012
3016	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		4016
3020	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3021	# and global variables created in xs	4018	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3023		4020
3024	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3025		4022
3026	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3027	require cf;	4024	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3029		4026
3030	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3031	cf::cfg_load;	4028	cf::reload_config;
3032		4029
3033	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3034	cf::load_extensions;	4031	cf::load_extensions;
3035		4032
		4033	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3039	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3042		4041
3043	warn "leaving sync_job";	4042	cf::_post_init 1;
3044		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3045	1	4046	1
3046	} or do {	4047	} or do {
3047	warn $@;	4048	error $@;
3048	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3049	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3050	};	4053	}
3051		4054
3052	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3053	};	4057	};
3054		4058
3055	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3056		4060
3057	sub reload_perl() {	4061	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3060		4064
3061	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	4067
3064	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	4069	do_reload_perl;
3067	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3068	},	4071	};
3069	);	4072	};
3070	}	4073	}
3071		4074
3072	register_command "reload" => sub {	4075	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3074		4077
3075	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	4082	reload_perl;
		4083	};
3078	}	4084	}
3079	};	4085	};
3080		4086
3081	unshift @INC, $LIBDIR;	4087	#############################################################################
3082		4088
3083	my $bug_warning = 0;	4089	my $bug_warning = 0;
3084		4090
3085	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;
3087
3088	sub wait_for_tick {	4091	sub wait_for_tick() {
3089	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3090	return if $Coro::current == $Coro::main;
3091		4093
3092	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3093	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;
3095	}	4095	}
3096		4096
3097	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3098	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3099	return if $Coro::current == $Coro::main;
3100		4099
3101	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4102	$signal->wait;
3104	}	4103	}
3105		4104
3106	my $min = 1e6;#d#	4105	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3118	return;	4109	return;
3119	}	4110	}
3120		4111
3121	$NOW = $tick_start = Event::time;	4112	cf::one_tick; # one server iteration
3122		4113
3123	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3124		4115
3125	0 && sync_job {#d#	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	4118	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4119	$Coro::current->{desc} = "runtime saver";
3129	or die;	4120	write_runtime_sync
3130		4121	or error "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4122	};
		4123	}
3147		4124
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4126	$sig->send;
3164	}	4127	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3166	$sig->send;
3167	}
3168		4129
3169	$NOW = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4132
3180	_post_tick;	4133	if (0) {
3181		4134	if ($NEXT_TICK) {
3182		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
3183	},	4139	}
3184	);	4140	}
3185		4141
3186	{	4142	{
3187	BDB::max_poll_time $TICK * 0.1;	4143	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4144
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3197		4146	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4148
3213	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4156
3216	cf::sync_job {	4157	cf::sync_job {
3217	eval {	4158	eval {
3218	BDB::db_env_open	4159	BDB::db_env_open
3219	$DB_ENV,	4160	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4164	0666;
3224		4165
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4167	};
3230		4168
3231	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4170	};
3233	}	4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
3234	}	4182	}
3235		4183
3236	{	4184	{
		4185	# configure IO::AIO
		4186
3237	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4190	}
3250		4191
3251	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3252		4194
3253	sub _log_backtrace {	4195	sub _log_backtrace {
3254	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3255		4197
3256	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3257		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3258	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3260	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3261	async {	4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
3262	my @bt = fork_call {	4211	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4215	or die "addr2line: $!";
…		…
3274	}	4223	}
3275		4224
3276	@funcs	4225	@funcs
3277	};	4226	};
3278		4227
3279	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4231	--$_log_backtrace;
3282	};	4232	};
3283	} else {	4233	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3286	}	4236	}
3287	}	4237	}
3288		4238
3289	# load additional modules	4239	# load additional modules
3290	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3291		4242
3292	END { cf::emergency_save }	4243	END { cf::emergency_save }
3293		4244
3294	1	4245	1
3295		4246

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