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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
54	our %EXTICMD = ();	92	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
57		95
58	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
60		100
61	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
62	our $DATADIR = datadir;	103	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
66	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
72		124
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
78	our $NOW;	143	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		144
81	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
82	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
83
84	our %CFG;
85
86	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;
88
89	our %PLAYER; # all users
90	our %MAP; # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
92		148
93	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		151
96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
97	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
99		164
100	binmode STDOUT;	165	binmode STDOUT;
101	binmode STDERR;	166	binmode STDERR;
102		167
103	# read virtual server time, if available	168	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
108	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
109		176
110	mkdir $_	177	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		179
113	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
114		181
115	sub cf::map::normalise;	182	sub cf::map::normalise;
116		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
117	#############################################################################	188	#############################################################################
118		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
119	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
120		202
121	=over 4	203	=over 4
122		204
123	=item $cf::UPTIME	205	=item $cf::UPTIME
124		206
125	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
126		223
127	=item $cf::RUNTIME	224	=item $cf::RUNTIME
128		225
129	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
130	every server tick.	227	every server tick.
…		…
136	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
138	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
139	database environment.	236	database environment.
140		237
141	=item $cf::NOW
142
143	The time of the last (current) server tick.
144
145	=item $cf::TICK
146
147	The interval between server ticks, in seconds.
148
149	=item $cf::LOADAVG	238	=item $cf::LOADAVG
150		239
151	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
152	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
153	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
156		245
157	The raw value load value from the last tick.	246	The raw value load value from the last tick.
158		247
159	=item %cf::CFG	248	=item %cf::CFG
160		249
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	251	from wherever your confdir points to.
163		252
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		254
166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
167	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
169		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
170	=back	288	=back
171		289
172	=cut	290	=cut
173		291
174	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
175	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
176	my $msg = join "", @_;	299	my $msg = join "", @_;
177		300
178	$msg .= "\n"	301	$msg .= "\n"
179	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
180		303
181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
182		305
183	utf8::encode $msg;
184	LOG llevError, $msg;	306	LOG llevWarn, $msg;
185	};	307	};
186	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
187		322
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	333	for my $pkg (qw(
199	cf::global cf::attachable	334	cf::global cf::attachable
200	cf::object cf::object::player	335	cf::object cf::object::player
201	cf::client cf::player	336	cf::client cf::player
202	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
203	cf::map cf::party cf::region	339	cf::party cf::region
204	)) {	340	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	342	}
208		343
209	$Event::DIED = sub {	344	$EV::DIED = sub {
210	warn "error in event callback: @_";	345	warn "error in event callback: $@";
211	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
212		352
213	#############################################################################	353	#############################################################################
214		354
215	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
216		356
…		…
237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
238	$d	378	$d
239	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
240	}	380	}
241		381
242	use JSON::XS ();	382	=item $scalar = cf::load_file $path
243		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
244	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
245		435
246	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
247		437
248	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
249		439
250	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
251		441
252	=cut	442	=cut
253		443
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		445
256	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
258		510
259	=item cf::lock_wait $string	511	=item cf::lock_wait $string
260		512
261	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
262		514
263	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
264		516
265	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
268	returned.	520	returned.
269		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
270	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
272		527
273	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
274		529
275	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
276		531
277	=cut	532	=cut
278		533
279	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
280		535
281	sub lock_wait($) {	536	sub lock_wait($) {
282	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	538	}
290		539
291	sub lock_acquire($) {	540	sub lock_acquire($) {
292	my ($key) = @_;	541	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	542	}
304		543
305	sub lock_active($) {	544	sub lock_active($) {
306	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	546	}
310		547
311	sub freeze_mainloop {	548	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
313		550
314	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
316	};	621	}
317	$TICK_WATCHER->stop;	622	};
318	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
319	}	637	}
320		638
321	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
322		640
323	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		646
329	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
330		648
331	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
332		650
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	654	acceptable.
337		655
338	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	661	=cut
344		662
345	sub sync_job(&) {	663	sub sync_job(&) {
346	my ($job) = @_;	664	my ($job) = @_;
347		665
348	if ($Coro::current == $Coro::main) {	666	if (in_main) {
349	my $time = Event::time;	667	my $time = AE::time;
350		668
351	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
353		671
354	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	673
356	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
357		675
358	my $busy = 1;	676	my $busy = 1;
359	my @res;	677	my @res;
360		678
361	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	681	@res = eval { $job->() };
363	warn $@ if $@;	682	error $@ if $@;
364	undef $busy;	683	undef $busy;
365	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
366		685
367	while ($busy) {	686	while ($busy) {
368	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
369	}	691	}
		692	}
370		693
371	$time = Event::time - $time;	694	my $time = AE::time - $time;
372		695
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
377		697
378	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
379	} else {	699	} else {
380	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
381		701
…		…
401	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
402		722
403	$coro	723	$coro
404	}	724	}
405		725
406	=item fork_call { }, $args	726	=item fork_call { }, @args
407		727
408	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
412		732
413	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
414		738
415	sub fork_call(&@) {	739	sub fork_call(&@) {
416	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
417		741
418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
419	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		745
423	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
424	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
425		750
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
427	$res = Coro::Storable::thaw $res;	752	}
428		753
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	eval {
439	close $fh1;
440
441	my @res = eval { $cb->(@args) };
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
443	};
444
445	warn $@ if $@;
446	_exit 0;
447	}	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
448	}	790	}
449		791
450	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
451		793
452	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
455		797
456	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
458		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
459	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
460		827
461	our $DB;	828	our $DB;
462		829
463	sub db_init {	830	sub db_init {
464	unless ($DB) {	831	$DB ||= db_table "db";
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {
468	eval {
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}
478	}	832	}
479		833
480	sub db_get($$) {	834	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
482		836
483	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
484	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
485		841
486	$! ? ()	842	$! ? ()
487	: $data	843	: $data
488	}
489	}	844	}
490		845
491	sub db_put($$$) {	846	sub db_put($$$) {
492	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
521		876
522	my @data;	877	my @data;
523	my $md5;	878	my $md5;
524		879
525	for (0 .. $#$src) {	880	for (0 .. $#$src) {
526	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
527	or Carp::croak "$src->[$_]: $!";
528	}	882	}
529		883
530	# if processing is expensive, check	884	# if processing is expensive, check
531	# checksum first	885	# checksum first
532	if (1) {	886	if (1) {
533	$md5 =	887	$md5 =
534	join "\x00",	888	join "\x00",
535	$processversion,	889	$processversion,
536	map {	890	map {
537	Coro::cede;	891	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	893	} 0.. $#$src;
540		894
541		895
542	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
549		903
550	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
551	my $data = $process->(\@data);	905	my $data = $process->(\@data);
552	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
553		907
554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555		909
556	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
557	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
558	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
559		913
…		…
569		923
570	=cut	924	=cut
571		925
572	sub datalog($@) {	926	sub datalog($@) {
573	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575	}	929	}
576		930
577	=back	931	=back
578		932
579	=cut	933	=cut
580		934
581	#############################################################################	935	#############################################################################
582		936
583	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
584		938
585	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
586	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
587	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
588		942
589	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
590	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
591	Crossfire TRT).	945	Deliantra).
592		946
593	=over 4	947	=over 4
594		948
595	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
596		950
…		…
640	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
641		995
642	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
644		998
645	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
646	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
647		1001
648	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
649		1003
650	=over 4	1004	=over 4
…		…
774		1128
775	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
776	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777		1131
778	} elsif (ref $type) {	1132	} elsif (ref $type) {
779	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
780		1134
781	} else {	1135	} else {
782	shift @arg;	1136	shift @arg;
783	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
784	}	1138	}
785	}	1139	}
786	}	1140	}
787		1141
788	sub _object_attach {	1142	sub _object_attach {
…		…
798	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
799	}	1153	}
800		1154
801	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
802	} else {	1156	} else {
803	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
804	}	1158	}
805		1159
806	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
807	}	1161	}
808		1162
…		…
848	";	1202	";
849	die if $@;	1203	die if $@;
850	}	1204	}
851		1205
852	our $override;	1206	our $override;
853	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
854		1208
855	sub override {	1209	sub override {
856	$override = 1;	1210	$override = 1;
857	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
858	}	1212	}
859		1213
860	sub do_invoke {	1214	sub do_invoke {
861	my $event = shift;	1215	my $event = shift;
862	my $callbacks = shift;	1216	my $callbacks = shift;
863		1217
864	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
865		1219
866	local $override;	1220	local $override;
867		1221
868	for (@$callbacks) {	1222	for (@$callbacks) {
869	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
870		1224
871	if ($@) {	1225	if ($@) {
872	warn "$@";
873	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874	override;	1227	override;
875	}	1228	}
876		1229
877	return 1 if $override;	1230	return 1 if $override;
878	}	1231	}
879		1232
880	0	1233	0
881	}	1234	}
882		1235
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1237
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1239
887	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
888		1241
889	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
890	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
891	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1245
893	=back	1246	=back
894		1247
895	=cut	1248	=cut
896		1249
897	#############################################################################	1250	#############################################################################
898	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
899		1294
900	sub reattach {	1295	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1297	my ($obj) = @_;
903		1298
		1299	# no longer needed after getting rid of delete_package?
904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
905		1301
906	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
907		1303
908	@$registry = ();	1304	@$registry = ();
909		1305
…		…
914	for (@$attach) {	1310	for (@$attach) {
915	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
916	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
917	}	1313	}
918	} else {	1314	} else {
919	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
920	}	1316	}
921	}	1317	}
922	}	1318	}
923		1319
924	cf::attachable->attach (	1320	cf::attachable->attach (
925	prio => -1000000,	1321	prio => -1000000,
926	on_instantiate => sub {	1322	on_instantiate => sub {
927	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
928		1324
929	$data = from_json $data;	1325	$data = decode_json $data;
930		1326
931	for (@$data) {	1327	for (@$data) {
932	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
933		1329
934	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1346	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
952		1348
953	sync_job {	1349	sync_job {
954	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
957		1355
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
962	close $fh;	1363	aio_close $fh;
963		1364
964	if (@$objs) {	1365	if (@$objs) {
965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
966	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
970	close $fh;	1374	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
972	}	1376	}
973	} else {	1377	} else {
974	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
975	}	1379	}
976		1380
977	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1385	} else {
979	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
980	}	1387	}
981	} else {	1388	} else {
982	aio_unlink $filename;	1389	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
984	}	1391	}
985	}	1392	};
986	}	1393	}
987		1394
988	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
990		1397
…		…
1002	or return;	1409	or return;
1003		1410
1004	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1413	or return;
		1414
1007	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1008	}	1417	}
1009		1418
		1419	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1012	return ($data, $av);	1424	($data, $av)
1013	}	1425	}
1014		1426
1015	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1016		1428
1017	=over 4	1429	=over 4
…		…
1071	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1072		1484
1073	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1074	}	1486	}
1075		1487
		1488	use File::Glob ();
		1489
1076	cf::player->attach (	1490	cf::player->attach (
1077	on_command => sub {	1491	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1079		1493
1080	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1081	or return;	1495	or return;
1082		1496
…		…
1087	cf::override;	1501	cf::override;
1088	},	1502	},
1089	on_extcmd => sub {	1503	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1091		1505
1092	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1507
1094	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1100	} else {	1520	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1522	}
1103		1523
1104	cf::override;	1524	cf::override;
1105	},	1525	},
1106	);	1526	);
1107		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1108	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1109	cf::sync_job {	1557	cf::sync_job {
1110	my %todo;	1558	my %todo;
1111		1559
1112	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1113	next unless -r $path;	1561	next unless -r $path;
…		…
1131		1579
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1582
1135	$ext{source} =	1583	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1137	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1138	. $source	1586	. $source
1139	. "\n};\n1";	1587	. "\n};\n1";
1140		1588
1141	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1142	}	1590	}
1143		1591
		1592	my $pass = 0;
1144	my %done;	1593	my %done;
1145	while (%todo) {	1594	while (%todo) {
1146	my $progress;	1595	my $progress;
1147		1596
		1597	++$pass;
		1598
		1599	ext:
1148	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1602	next ext
1151	unless exists $done{$_};	1603	unless exists $done{$_};
1152	}	1604	}
1153		1605
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1607
1156	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1161	warn $msg;	1624
1162	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1626	delete $todo{$k};
1164	}	1627	} else {
1165		1628	$done{$k} = delete $todo{$k};
1166	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1167	}	1634	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1635	}
1173		1636
1174	skip:	1637	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1177	}	1647	}
1178	};	1648	};
1179	}	1649	}
1180		1650
1181	#############################################################################	1651	#############################################################################
1182		1652
1183	=back	1653	=back
1184		1654
1185	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1186		1656
1187	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1188		1658
1189	=cut	1659	=cut
1190		1660
1191	package cf::player;	1661	package cf::player;
1192		1662
1193	use Coro::AIO;	1663	use Coro::AIO;
1194		1664
1195	=head3 cf::player	1665	=head3 cf::player
1196		1666
1197	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1198		1682
1199	=item cf::player::find $login	1683	=item cf::player::find $login
1200		1684
1201	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1202		1686
…		…
1221		1705
1222	sub exists($) {	1706	sub exists($) {
1223	my ($login) = @_;	1707	my ($login) = @_;
1224		1708
1225	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1227	}	1711	}
1228		1712
1229	sub find($) {	1713	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1715	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1726
1243	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1246	}	1736	}
1247	}	1737	}
1248	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1249		1752
1250	sub save($) {	1753	sub save($) {
1251	my ($pl) = @_;	1754	my ($pl) = @_;
1252		1755
1253	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1259		1762
1260	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1262		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1263	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1264	Coro::cede;	1772	cf::cede_to_tick;
1265	}	1773	}
1266		1774
1267	sub new($) {	1775	sub new($) {
1268	my ($login) = @_;	1776	my ($login) = @_;
1269		1777
…		…
1275	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1276		1784
1277	$self	1785	$self
1278	}	1786	}
1279		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1280	=item $pl->quit_character	1798	=item $pl->quit_character
1281		1799
1282	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1284		1802
…		…
1288	my ($pl) = @_;	1806	my ($pl) = @_;
1289		1807
1290	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1291		1809
1292	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1812
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1296	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1298	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1299		1821
1300	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1302	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1337	or return [];	1859	or return [];
1338		1860
1339	my @logins;	1861	my @logins;
1340		1862
1341	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1345		1873
1346	utf8::decode $login;	1874	utf8::decode $login;
1347	push @logins, $login;	1875	push @logins, $login;
1348	}	1876	}
1349		1877
1350	\@logins	1878	\@logins
1351	}	1879	}
1352		1880
1353	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1354		1884
1355	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1356	player. May block.	1886	player. May block.
1357		1887
1358	=cut	1888	=cut
…		…
1376	}	1906	}
1377		1907
1378	\@paths	1908	\@paths
1379	}	1909	}
1380		1910
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1912
1383	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1384		1914
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1415		1916
1416	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1417		1918
1418	=cut	1919	=cut
1419		1920
1420	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1422		1923
1423	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1925	}
1426		1926
1427	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1428		1928
1429	Sends an ext event to the client.	1929	Sends an ext event to the client.
1430		1930
1431	=cut	1931	=cut
1432		1932
1433	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1435		1935
1436	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1437	}	1937	}
1438		1938
1439	=head3 cf::region	1939	=head3 cf::region
1440		1940
1441	=over 4	1941	=over 4
…		…
1451	=cut	1951	=cut
1452		1952
1453	sub find_by_path($) {	1953	sub find_by_path($) {
1454	my ($path) = @_;	1954	my ($path) = @_;
1455		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1456	my ($match, $specificity);	1958	my ($match, $specificity);
1457		1959
1458	for my $region (list) {	1960	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1462	}	1964	}
1463	}	1965	}
1464		1966
…		…
1485	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1487		1989
1488	sub generate_random_map {	1990	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1490	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1491	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1503	)
1504	}	1996	}
1505		1997
1506	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1507		1999
1508	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1513		2005
1514	sub register {	2006	sub register {
1515	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1516	my $pkg = caller;	2008	my $pkg = caller;
1517		2009
1518	no strict;
1519	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1520		2011
1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522	}	2013	}
1523		2014
1524	# also paths starting with '/'	2015	# also paths starting with '/'
1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526		2017
1527	sub thawer_merge {	2018	sub thawer_merge {
1528	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1529		2020
1530	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1535	}	2026	}
1536		2027
1537	sub normalise {	2028	sub normalise {
1538	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1539		2030
1540	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1541		2032
1542	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1543		2034
1544	# map plan:	2035	# map plan:
1545	#	2036	#
…		…
1560	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1561	$path = "$base/$path";	2052	$path = "$base/$path";
1562	}	2053	}
1563		2054
1564	for ($path) {	2055	for ($path) {
1565	redo if s{//}{/};
1566	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1567	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1568	}	2058	}
1569		2059
1570	$path	2060	$path
…		…
1584	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1585	return $self;	2075	return $self;
1586	}	2076	}
1587	}	2077	}
1588		2078
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1590	()	2080	()
1591	}	2081	}
1592		2082
		2083	# may re-bless or do other evil things
1593	sub init {	2084	sub init {
1594	my ($self) = @_;	2085	my ($self) = @_;
1595		2086
1596	$self	2087	$self
1597	}	2088	}
…		…
1616		2107
1617	# the temporary/swap location	2108	# the temporary/swap location
1618	sub save_path {	2109	sub save_path {
1619	my ($self) = @_;	2110	my ($self) = @_;
1620		2111
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1623	}	2114	}
1624		2115
1625	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1626	sub uniq_path {	2117	sub uniq_path {
1627	my ($self) = @_;	2118	my ($self) = @_;
1628		2119
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	2122	}
1641		2123
1642	sub decay_objects {	2124	sub decay_objects {
1643	my ($self) = @_;	2125	my ($self) = @_;
1644		2126
…		…
1657		2139
1658	sub load_header_from($) {	2140	sub load_header_from($) {
1659	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1660		2142
1661	utf8::encode $path;	2143	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	2145	or return;
1667		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1668	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1669		2154
1670	1	2155	1
1671	}	2156	}
1672		2157
		2158	# used to laod the header of an original map
1673	sub load_header_orig {	2159	sub load_header_orig {
1674	my ($self) = @_;	2160	my ($self) = @_;
1675		2161
1676	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1677	}	2163	}
1678		2164
		2165	# used to laod the header of an instantiated map
1679	sub load_header_temp {	2166	sub load_header_temp {
1680	my ($self) = @_;	2167	my ($self) = @_;
1681		2168
1682	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1683	}	2170	}
1684		2171
		2172	# called after loading the header from an instantiated map
1685	sub prepare_temp {	2173	sub prepare_temp {
1686	my ($self) = @_;	2174	my ($self) = @_;
1687		2175
1688	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1689	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1690	# safety	2178	# safety
1691	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1692	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1693	}	2181	}
1694		2182
		2183	# called after loading the header from an original map
1695	sub prepare_orig {	2184	sub prepare_orig {
1696	my ($self) = @_;	2185	my ($self) = @_;
1697		2186
1698	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1699	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1723		2212
1724	sub find;	2213	sub find;
1725	sub find {	2214	sub find {
1726	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1727		2216
		2217	cf::cede_to_tick;
		2218
1728	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1729		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2223
1732	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1735	or return;	2226	or return;
1736		2227
1737	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1738		2229
…		…
1740	or return;	2231	or return;
1741		2232
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1745	$map->reset;	2238	$map->reset;
1746	undef $guard;
1747	return find $path;	2239	return find $path;
1748	}	2240	}
1749		2241
1750	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1751	}	2243	}
1752	}	2244	}
1753		2245
1754	sub pre_load { }	2246	sub pre_load { }
1755	sub post_load { }	2247	#sub post_load { } # XS
1756		2248
1757	sub load {	2249	sub load {
1758	my ($self) = @_;	2250	my ($self) = @_;
1759		2251
1760	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1761		2253
1762	my $path = $self->{path};	2254	my $path = $self->{path};
1763		2255
1764	{	2256	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1766		2258
		2259	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1768
1769	$self->in_memory (cf::MAP_LOADING);
1770		2261
1771	$self->alloc;	2262	$self->alloc;
1772		2263
1773	$self->pre_load;	2264	$self->pre_load;
1774	Coro::cede;	2265	cf::cede_to_tick;
1775		2266
1776	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1777	or return;	2271	or return;
1778		2272
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1780	if delete $self->{load_original};	2274	if delete $self->{load_original};
1781		2275
1782	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2277	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2280	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1787	}	2285	}
1788	}
1789		2286
1790	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1791	# now do the right thing for maps	2296	# now do the right thing for maps
1792	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2299	unless $self->difficulty;
1795	Coro::cede;	2300	cf::cede_to_tick;
1796		2301
1797	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2303	$self->decay_objects;
1799	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1800	$self->update_buttons;	2305	$self->update_buttons;
1801	Coro::cede;	2306	cf::cede_to_tick;
1802	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1803	Coro::cede;
1804	$self->activate;
1805	}	2308	}
1806		2309
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1808	}	2312	}
1809		2313
1810	$self->post_load;	2314	$self->post_load;
1811	}
1812		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2322	sub customise_for {
1814	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1815		2324
1816	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2326	if $self->per_player;
…		…
1820	# if $self->per_party;	2329	# if $self->per_party;
1821		2330
1822	$self	2331	$self
1823	}	2332	}
1824		2333
1825	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {
1827	my ($map) = @_;
1828
1829	my @diag; # diagonal neighbours
1830
1831	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)
1833	or next;
1834	$neigh = find $neigh, $map
1835	or next;
1836	$neigh->load;
1837
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}
1841
1842	for (@diag) {
1843	my $neigh = find @$_
1844	or next;
1845	$neigh->load;
1846	}
1847	}
1848
1849	sub find_sync {	2334	sub find_sync {
1850	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1851		2336
1852	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1853	}	2342	}
1854		2343
1855	sub do_load_sync {	2344	sub do_load_sync {
1856	my ($map) = @_;	2345	my ($map) = @_;
1857		2346
1858	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1859	}	2352	}
1860		2353
1861	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1863		2356
1864	sub find_async {	2357	sub find_async {
1865	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1866		2359
1867	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1868		2361
1869	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1871	}	2364	}
1872		2365
1873	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1874	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1875	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2373	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2374	$map->load if $v;
		2375	}
1880		2376
1881	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1882	}	2378	}
1883	}	2379	}
1884	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1885	};	2381	};
1886	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1887		2383
1888	()	2384	()
1889	}	2385	}
1890		2386
		2387	# common code, used by both ->save and ->swapout
1891	sub save {	2388	sub _save {
1892	my ($self) = @_;	2389	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2390
1896	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1897		2392
1898	return unless $self->dirty;	2393	return unless $self->dirty;
1899		2394
…		…
1905	return if $self->{deny_save};	2400	return if $self->{deny_save};
1906		2401
1907	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1908		2403
1909	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1911	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1912		2410
1913	if ($uniq) {	2411	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2414	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2416	}
1919	}	2417	}
1920		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1921	sub swap_out {	2427	sub swap_out {
1922	my ($self) = @_;	2428	my ($self) = @_;
1923		2429
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1929	return if $self->players;	2434	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1933	$self->clear;	2445	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2446	}
1936		2447
1937	sub reset_at {	2448	sub reset_at {
1938	my ($self) = @_;	2449	my ($self) = @_;
1939		2450
…		…
1957		2468
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2470
1960	return if $self->players;	2471	return if $self->players;
1961		2472
1962	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1963		2474
1964	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1965		2476
1966	# need to save uniques path	2477	# need to save uniques path
1967	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1968	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1969		2480
…		…
1971	if $uniq;	2482	if $uniq;
1972	}	2483	}
1973		2484
1974	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1975		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2489	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2490
1980	$self->unlink_save;	2491	$self->unlink_save;
1981	$self->destroy;	2492	$self->destroy;
1982	}	2493	}
1983		2494
1984	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1985		2496
1986	sub nuke {	2497	sub nuke {
1987	my ($self) = @_;	2498	my ($self) = @_;
1988		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1989	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1990		2504
1991	$self->unlink_save;	2505	$self->unlink_save;
1992		2506
1993	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1994	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2512
1999	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2000		2515
2001	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2002	}	2517	}
2003		2518
2004	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2046		2561
2047	sub unique_maps() {	2562	sub unique_maps() {
2048	[	2563	[
2049	map {	2564	map {
2050	utf8::decode $_;	2565	utf8::decode $_;
2051	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2052	? normalise $_	2569	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2571	]
2056	}	2572	}
2057		2573
2058	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2059		2605
2060	=back	2606	=back
2061		2607
2062	=head3 cf::object	2608	=head3 cf::object
2063		2609
…		…
2067		2613
2068	=over 4	2614	=over 4
2069		2615
2070	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2071		2617
2072	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2073		2620
2074	=cut	2621	=cut
2075		2622
2076	sub inv_recursive_;	2623	sub inv_recursive_;
2077	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2080		2627
2081	sub inv_recursive {	2628	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2083	}	2630	}
2084		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2085	package cf;	2660	package cf;
2086		2661
2087	=back	2662	=back
2088		2663
2089	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2098		2673
2099	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2100		2689
2101	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2691	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2111		2700
2112	} else {	2701	} else {
2113	my $pl = $self->contr;	2702	my $pl = $self->contr;
2114		2703
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2707
2124	} else {	2708	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2711	}
2128	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2129	}	2723	}
2130		2724
2131	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2132		2726
2133	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2146		2740
2147	=item $player_object->enter_link	2741	=item $player_object->enter_link
2148		2742
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2744
2151	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2153		2749
2154	Will never block.	2750	Will never block.
2155		2751
2156	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2157		2753
…		…
2177	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2178	my ($self) = @_;	2774	my ($self) = @_;
2179		2775
2180	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2181		2777
		2778	++$self->{_link_recursion};
		2779
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2781
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2186		2784
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2786	}
2189		2787
2190	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2192		2790
…		…
2209	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2211		2809
2212	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2215		2813
2216	$map->load;	2814	$map->load;
2217	$map->load_diag;
2218		2815
2219	return unless $self->contr->active;	2816	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2817
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2224	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2225		2825
		2826	}
		2827
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227		2829
2228	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
2232		2838
2233	=cut	2839	=cut
2234		2840
2235	our $GOTOGEN;	2841	our $GOTOGEN;
2236		2842
2237	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2239		2851
2240	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2854
2243	$self->enter_link;	2855	$self->enter_link;
2244		2856
2245	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2246	my $map = eval {	2879	my $map = eval {
2247	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2248		2881
2249	if ($map) {	2882	if ($map) {
2250	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2252	} else {	2885	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2887	}
2255		2888
2256	$map	2889	$map
2257	};	2890	};
2258		2891
…		…
2263		2896
2264	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2267	}	2900	}
		2901
		2902	$done->($self) if $done;
2268	})->prio (1);	2903	})->prio (1);
2269	}	2904	}
2270		2905
2271	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2272		2907
…		…
2292	}	2927	}
2293		2928
2294	sub prepare_random_map {	2929	sub prepare_random_map {
2295	my ($exit) = @_;	2930	my ($exit) = @_;
2296		2931
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2934	# that depends on the exit object
2302		2935
2303	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2938	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2310	}	2945	}
2311		2946
2312	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2313		2948
2314	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2317		2952
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2955	undef $fh;
2321	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2322		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2325	}	2964	}
2326	}	2965	}
2327		2966
2328	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2330		2969
2331	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2332		2971
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2972	$self->enter_link;
2345		2973
2346	(async {	2974	(async {
2347	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2348	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2349	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2350		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2351	1;	3013	1
2352	}) {	3014	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2357		3019
2358	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2359	$self->leave_link;	3021	$self->leave_link;
2360	}	3022	}
2361	})->prio (1);	3023	})->prio (1);
2362	}	3024	}
2363		3025
…		…
2377		3039
2378	utf8::encode $text;	3040	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	3042	}
2381		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		3070
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2388		3075
2389	=cut	3076	=cut
2390		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
2391	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3194
2394	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2395		3197
2396	if ($self->can_msg) {	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3199
2409	if ($color >= 0) {	3200	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3201	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3202	$channel = $CHANNEL{$channel};
2412	} else {	3203
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3204	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
2415	}	3212	}
2416	}
2417	}
2418	}
2419		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2420	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2421		3232
2422	Sends an ext event to the client.	3233	Sends an ext event to the client.
2423		3234
2424	=cut	3235	=cut
2425		3236
2426	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2428		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2431	}	3260	}
2432		3261
2433	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2434		3263
2435	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2458		3287
2459	1	3288	1
2460	}	3289	}
2461		3290
2462	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2463	on_reply => sub {	3297	on_reply => sub {
2464	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2465		3299
2466	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2467	# get handled first	3301	# get handled first
…		…
2482	}	3316	}
2483	},	3317	},
2484	on_exticmd => sub {	3318	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2486		3320
2487	my $msg = eval { from_json $buf };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3322
2489	if (ref $msg) {	3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3329	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
2496	} else {	3335	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3337	}
2499		3338
2500	cf::override;	3339	cf::override;
2501	},	3340	},
2502	);	3341	);
…		…
2522		3361
2523	$coro	3362	$coro
2524	}	3363	}
2525		3364
2526	cf::client->attach (	3365	cf::client->attach (
2527	on_destroy => sub {	3366	on_client_destroy => sub {
2528	my ($ns) = @_;	3367	my ($ns) = @_;
2529		3368
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3370	},
2532	);	3371	);
…		…
2547	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2549		3388
2550	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2551		3390
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2553		3396
2554	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2555		3398
2556	=pod	3399	=pod
2557		3400
2558	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2559		3402
2560	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2561	cf::object::player player	3408	cf::object::player
2562	cf::player peaceful	3409	player
2563	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2564		3416
2565	=cut	3417	=cut
2566		3418
2567	for (	3419	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2572	) {	3426	) {
2573	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576	for @funs;	3429	for @funs;
2577	}	3430	}
2578		3431
…		…
2593		3446
2594	my $qcode = $code;	3447	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2597		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2598	local $_;	3454	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3455
2601	my $eval =	3456	my $eval =
2602	"do {\n"	3457	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3460	. $code
2606	. "\n}"	3461	. "\n}"
2607	;	3462	;
2608		3463
		3464	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2612		3473
2613	if ($@) {	3474	if ($@) {
2614	warn "$@";	3475	warn "$@",
2615	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2616	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2617	}	3478	}
2618		3479
2619	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2620	}	3481	}
2621		3482
…		…
2635	=cut	3496	=cut
2636		3497
2637	sub register_script_function {	3498	sub register_script_function {
2638	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2639		3500
2640	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2642	}	3503	}
2643		3504
2644	=back	3505	=back
2645		3506
2646	=cut	3507	=cut
2647		3508
2648	#############################################################################	3509	#############################################################################
2649	# the server's init and main functions	3510	# the server's init and main functions
2650		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2651	sub load_facedata($) {	3514	sub load_facedata($) {
2652	my ($path) = @_;	3515	my ($path) = @_;
2653		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2654	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2655		3524
2656	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2657	0 < aio_load $path, $facedata
2658	or die "$path: $!";
2659
2660	$facedata = Coro::Storable::thaw $facedata;
2661		3526
2662	$facedata->{version} == 2	3527	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2665	{	3539	{
2666	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2667		3541
2668	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
		3552
		3553	cf::cede_to_tick;
2674	}	3554	}
2675		3555
2676	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2678	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2679	or next;	3560	or next;
		3561
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3565	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3567	}
2685	Coro::cede;	3568
		3569	cf::cede_to_tick;
2686	}	3570	}
2687	}	3571	}
2688		3572
2689	{	3573	{
2690	my $anims = $facedata->{animinfo};	3574	my $anims = $facedata->{animinfo};
2691		3575
2692	while (my ($anim, $info) = each %$anims) {	3576	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3578	cf::cede_to_tick;
2695	}	3579	}
2696		3580
2697	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2698	}	3582	}
2699		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
2700	1	3606	1
2701	}	3607	}
2702		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2703	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2704	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
2706	}	3639	}
2707		3640
2708	sub reload_facedata {	3641	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3642	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3643	or die "unable to load facedata\n";
…		…
2718	sub reload_treasures {	3651	sub reload_treasures {
2719	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2720	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2721	}	3654	}
2722		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2723	sub reload_resources {	3676	sub reload_resources {
2724	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2725		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2726	reload_regions;	3684	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3685	reload_treasures;
2731		3686
2732	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2733	}	3688	}
2734		3689
2735	sub init {	3690	sub reload_config {
2736	reload_resources;	3691	trace "reloading config file...\n";
2737	}
2738		3692
2739	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2741	or return;	3695	*CFG = decode_yaml $config;
2742		3696
2743	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;
2745
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747		3698
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750		3701
2751	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2755	};	3706	};
2756	warn $@ if $@;	3707	warn $@ if $@;
2757	}	3708	}
2758	}	3709	}
2759		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2760	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2761	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3752	(async {
2765	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2767	};	3756	};
2768		3757
2769	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2770	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2771	load_extensions;	3781	load_extensions;
2772		3782
2773	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2775	}	3800	}
2776		3801
2777	#############################################################################	3802	#############################################################################
2778	# initialisation and cleanup	3803	# initialisation and cleanup
2779		3804
2780	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2781	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2790	},
2791	);	3811	};
2792	}	3812	}
2793	}	3813	}
2794		3814
2795	sub write_runtime {	3815	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
2797		3817
2798	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
2800		3820
2801	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3822
2803	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
2804		3824
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3826	or return;
2807		3827
2808	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
2821		3841
2822	close $fh	3842	close $fh
2823	or return;	3843	or return;
2824		3844
2825	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3846	and return;
2827		3847
2828	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		3849
2830	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2831	}	3901	}
2832		3902
2833	sub emergency_save() {	3903	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2835		3905
2836	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2837		3912
2838	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2839	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3924	$pl->save;
2847	}	3925	}
2848	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2849		3927
2850	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3933	$map->valid or next;
2854	$map->save;	3934	$map->save;
2855	}	3935	}
2856	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2857		3937
2858	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2861	};	3966	};
2862		3967
2863	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2864	}	3969	}
2865		3970
2866	sub post_cleanup {	3971	sub post_cleanup {
2867	my ($make_core) = @_;	3972	my ($make_core) = @_;
2868		3973
		3974	IO::AIO::flush;
		3975
2869	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
2871	}	4006	}
2872		4007
2873	sub do_reload_perl() {	4008	sub do_reload_perl() {
2874	# can/must only be called in main	4009	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2876	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2877	return;	4012	return;
2878	}	4013	}
2879		4014
2880	warn "reloading...";	4015	return if $RELOAD++;
2881		4016
2882	warn "entering sync_job";	4017	my $t1 = AE::time;
2883		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2884	cf::sync_job {	4025	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark
2886	cf::emergency_save;	4026	#cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark
2888		4027
2889	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();	4030	%EXT_CORO = ();
2913		4031
2914	warn "removing commands";	4032	trace "perl_reload: removing commands";
2915	%COMMAND = ();	4033	%COMMAND = ();
2916		4034
2917	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
2918	%EXTCMD = ();	4036	%EXTCMD = ();
2919	%EXTICMD = ();	4037	%EXTICMD = ();
2920		4038
2921	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2924		4042
2925	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2926	eval {	4044	eval {
2927	$cb->($pkg);	4045	$cb->($pkg);
2928	1	4046	1
2929	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2930	}	4052	}
2931		4053
2932	warn "... nuking $pkg";
2933	Symbol::delete_package $pkg;
2934	}
2935
2936	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2937	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		4057
2940	warn "... unloading $k";	4058	trace "... unloading $k";
2941	delete $INC{$k};	4059	delete $INC{$k};
2942		4060
2943	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
2945		4063
2946	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
2947	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
2948	}	4069	}
2949		4070
2950	Symbol::delete_package $k;
2951	}
2952
2953	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		4074
2957	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		4078
2961	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
2962	# and global variables created in xs	4080	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
2964		4082
2965	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
2966		4084
2967	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
2968	require cf;	4086	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
2970		4088
2971	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
2972	cf::cfg_load;	4090	cf::reload_config;
2973		4091
2974	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
2975	cf::load_extensions;	4093	cf::load_extensions;
2976		4094
		4095	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
2980	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
2983		4103
2984	warn "leaving sync_job";	4104	cf::_post_init 1;
2985		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
2986	1	4108	1
2987	} or do {	4109	} or do {
2988	warn $@;	4110	error $@;
2989	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
2990	exit 1;	4112	};
		4113
		4114	--$RELOAD;
2991	};	4115	}
2992		4116
2993	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
2994	};	4119	};
2995		4120
2996	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
2997		4122
2998	sub reload_perl() {	4123	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3001		4126
3002	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	4129
3005	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	4131	do_reload_perl;
3008	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3009	},	4133	};
3010	);	4134	};
3011	}	4135	}
3012		4136
3013	register_command "reload" => sub {	4137	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3015		4139
3016	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	4144	reload_perl;
		4145	};
3019	}	4146	}
3020	};	4147	};
3021		4148
3022	unshift @INC, $LIBDIR;	4149	#############################################################################
3023		4150
3024	my $bug_warning = 0;	4151	my $bug_warning = 0;
3025		4152
3026	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;
3028
3029	sub wait_for_tick {	4153	sub wait_for_tick() {
3030	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3031	return if $Coro::current == $Coro::main;
3032		4155
3033	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3034	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;
3036	}	4157	}
3037		4158
3038	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3039	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3040	return if $Coro::current == $Coro::main;
3041		4161
3042	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	4164	$signal->wait;
3045	}	4165	}
3046		4166
3047	my $min = 1e6;#d#	4167	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3059	return;	4171	return;
3060	}	4172	}
3061		4173
3062	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3063		4175
3064	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3065		4177
3066	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	4180	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
3070	or die;	4182	write_runtime_sync
3071		4183	or error "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	4184	};
		4185	}
3088		4186
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4188	$sig->send;
3105	}	4189	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3107	$sig->send;
3108	}
3109		4191
3110	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4194
3121	_post_tick;	4195	if (0) {
3122		4196	if ($NEXT_TICK) {
3123		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3124	},	4201	}
3125	);	4202	}
3126		4203
3127	{	4204	{
3128	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4206
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3138		4208	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4210
3154	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4218
3157	cf::sync_job {	4219	cf::sync_job {
3158	eval {	4220	eval {
3159	BDB::db_env_open	4221	BDB::db_env_open
3160	$DB_ENV,	4222	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4226	0666;
3165		4227
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4229	};
3171		4230
3172	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4232	};
3174	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
3175	}	4244	}
3176		4245
3177	{	4246	{
		4247	# configure IO::AIO
		4248
3178	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4252	}
3191		4253
3192	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3193		4256
3194	sub _log_backtrace {	4257	sub _log_backtrace {
3195	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3196		4259
3197	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3198		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3199	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3201	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3202	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3203	my @bt = fork_call {	4273	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3215	}	4285	}
3216		4286
3217	@funcs	4287	@funcs
3218	};	4288	};
3219		4289
3220	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4293	--$_log_backtrace;
3223	};	4294	};
3224	} else {	4295	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3227	}	4298	}
3228	}	4299	}
3229		4300
3230	# load additional modules	4301	# load additional modules
3231	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3232		4304
3233	END { cf::emergency_save }	4305	END { cf::emergency_save }
3234		4306
3235	1	4307	1
3236		4308

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