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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.305 by root, Thu Jul 12 08:40:14 2007 UTC vs.
Revision 1.589 by root, Sun Nov 4 01:01:13 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 ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	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;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
59		95
60	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
62		100
63	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
68	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		124
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	143	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		144
83	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
94		148
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		151
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
101		164
102	binmode STDOUT;	165	binmode STDOUT;
103	binmode STDERR;	166	binmode STDERR;
104		167
105	# read virtual server time, if available	168	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
110	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
111		176
112	mkdir $_	177	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		179
115	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
116		181
117	sub cf::map::normalise;	182	sub cf::map::normalise;
118		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
119	#############################################################################	188	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
122		202
123	=over 4	203	=over 4
124		204
125	=item $cf::UPTIME	205	=item $cf::UPTIME
126		206
127	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.
128		223
129	=item $cf::RUNTIME	224	=item $cf::RUNTIME
130		225
131	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
132	every server tick.	227	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
141	database environment.	236	database environment.
142		237
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	238	=item $cf::LOADAVG
152		239
153	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
158		245
159	The raw value load value from the last tick.	246	The raw value load value from the last tick.
160		247
161	=item %cf::CFG	248	=item %cf::CFG
162		249
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	251	from wherever your confdir points to.
165		252
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		254
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
172	=back	288	=back
173		289
174	=cut	290	=cut
175		291
176	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	299	my $msg = join "", @_;
179		300
180	$msg .= "\n"	301	$msg .= "\n"
181	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
182		303
183	$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;
184		305
185	utf8::encode $msg;
186	LOG llevError, $msg;	306	LOG llevWarn, $msg;
187	};	307	};
188	}	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	};
189		322
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	333	for my $pkg (qw(
201	cf::global cf::attachable	334	cf::global cf::attachable
202	cf::object cf::object::player	335	cf::object cf::object::player
203	cf::client cf::player	336	cf::client cf::player
204	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
205	cf::map cf::party cf::region	339	cf::party cf::region
206	)) {	340	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	342	}
210		343
211	$Event::DIED = sub {	344	$EV::DIED = sub {
212	warn "error in event callback: @_";	345	warn "error in event callback: $@";
213	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
214		352
215	#############################################################################	353	#############################################################################
216		354
217	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
218		356
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	378	$d
241	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
242	}	380	}
243		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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->utf8->max_size (1e6); # accept ~1mb max	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
414		734
415	sub _store_scalar {	735	sub post_fork {
416	open my $fh, ">", \my $buf	736	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	737	}
423		738
424	sub fork_call(&@) {	739	sub fork_call(&@) {
425	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
426		741
427	# 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,
428	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		745
432	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
433	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
434		750
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	752	}
437	$res = Coro::Storable::thaw $res;
438		753
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	790	}
467		791
468	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
469		793
470	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
473		797
474	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
475	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).
476		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
477	=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	}
478		827
479	our $DB;	828	our $DB;
480		829
481	sub db_init {	830	sub db_init {
482	unless ($DB) {	831	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	832	}
497		833
498	sub db_get($$) {	834	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
500		836
501	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
502	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
503		841
504	$! ? ()	842	$! ? ()
505	: $data	843	: $data
506	}
507	}	844	}
508		845
509	sub db_put($$$) {	846	sub db_put($$$) {
510	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		876
540	my @data;	877	my @data;
541	my $md5;	878	my $md5;
542		879
543	for (0 .. $#$src) {	880	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	882	}
547		883
548	# if processing is expensive, check	884	# if processing is expensive, check
549	# checksum first	885	# checksum first
550	if (1) {	886	if (1) {
551	$md5 =	887	$md5 =
552	join "\x00",	888	join "\x00",
553	$processversion,	889	$processversion,
554	map {	890	map {
555	Coro::cede;	891	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	893	} 0.. $#$src;
558		894
559		895
560	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		903
568	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	905	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
571		907
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		909
574	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
577		913
…		…
587		923
588	=cut	924	=cut
589		925
590	sub datalog($@) {	926	sub datalog($@) {
591	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	929	}
594		930
595	=back	931	=back
596		932
597	=cut	933	=cut
598		934
599	#############################################################################	935	#############################################################################
600		936
601	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
602		938
603	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
604	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")
605	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
606		942
607	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>
608	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
609	Crossfire TRT).	945	Deliantra).
610		946
611	=over 4	947	=over 4
612		948
613	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
614		950
…		…
658	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
659		995
660	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
661	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
662		998
663	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		1001
666	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
667		1003
668	=over 4	1004	=over 4
…		…
792		1128
793	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1131
796	} elsif (ref $type) {	1132	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
798		1134
799	} else {	1135	} else {
800	shift @arg;	1136	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
802	}	1138	}
803	}	1139	}
804	}	1140	}
805		1141
806	sub _object_attach {	1142	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
817	}	1153	}
818		1154
819	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
820	} else {	1156	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1158	}
823		1159
824	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
825	}	1161	}
826		1162
…		…
866	";	1202	";
867	die if $@;	1203	die if $@;
868	}	1204	}
869		1205
870	our $override;	1206	our $override;
871	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?
872		1208
873	sub override {	1209	sub override {
874	$override = 1;	1210	$override = 1;
875	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
876	}	1212	}
877		1213
878	sub do_invoke {	1214	sub do_invoke {
879	my $event = shift;	1215	my $event = shift;
880	my $callbacks = shift;	1216	my $callbacks = shift;
881		1217
882	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
883		1219
884	local $override;	1220	local $override;
885		1221
886	for (@$callbacks) {	1222	for (@$callbacks) {
887	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
888		1224
889	if ($@) {	1225	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1227	override;
893	}	1228	}
894		1229
895	return 1 if $override;	1230	return 1 if $override;
896	}	1231	}
897		1232
898	0	1233	0
899	}	1234	}
900		1235
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1237
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1239
905	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
906		1241
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1245
911	=back	1246	=back
912		1247
913	=cut	1248	=cut
914		1249
915	#############################################################################	1250	#############################################################################
916	# 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	}
917		1294
918	sub reattach {	1295	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1297	my ($obj) = @_;
921		1298
		1299	# no longer needed after getting rid of delete_package?
922	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
923		1301
924	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
925		1303
926	@$registry = ();	1304	@$registry = ();
927		1305
…		…
932	for (@$attach) {	1310	for (@$attach) {
933	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
935	}	1313	}
936	} else {	1314	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1316	}
939	}	1317	}
940	}	1318	}
941		1319
942	cf::attachable->attach (	1320	cf::attachable->attach (
943	prio => -1000000,	1321	prio => -1000000,
944	on_instantiate => sub {	1322	on_instantiate => sub {
945	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
946		1324
947	$data = from_json $data;	1325	$data = decode_json $data;
948		1326
949	for (@$data) {	1327	for (@$data) {
950	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
951		1329
952	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1346	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
970		1348
971	sync_job {	1349	sync_job {
972	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
975		1355
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1363	aio_close $fh;
981		1364
982	if (@$objs) {	1365	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1374	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
990	}	1376	}
991	} else {	1377	} else {
992	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
993	}	1379	}
994		1380
995	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1385	} else {
997	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
998	}	1387	}
999	} else {	1388	} else {
1000	aio_unlink $filename;	1389	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1002	}	1391	}
1003	}	1392	};
1004	}	1393	}
1005		1394
1006	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1008		1397
…		…
1020	or return;	1409	or return;
1021		1410
1022	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1413	or return;
		1414
1025	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1026	}	1417	}
1027		1418
		1419	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1030	return ($data, $av);	1424	($data, $av)
1031	}	1425	}
1032		1426
1033	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1034		1428
1035	=over 4	1429	=over 4
…		…
1089	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1090		1484
1091	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1092	}	1486	}
1093		1487
		1488	use File::Glob ();
		1489
1094	cf::player->attach (	1490	cf::player->attach (
1095	on_command => sub {	1491	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1097		1493
1098	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1099	or return;	1495	or return;
1100		1496
…		…
1108	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1109		1505
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1507
1112	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1118	} else {	1520	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1522	}
1121		1523
1122	cf::override;	1524	cf::override;
1123	},	1525	},
1124	);	1526	);
1125		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
1126	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1127	cf::sync_job {	1557	cf::sync_job {
1128	my %todo;	1558	my %todo;
1129		1559
1130	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1561	next unless -r $path;
…		…
1149		1579
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1582
1153	$ext{source} =	1583	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1156	. $source	1586	. $source
1157	. "\n};\n1";	1587	. "\n};\n1";
1158		1588
1159	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1160	}	1590	}
1161		1591
		1592	my $pass = 0;
1162	my %done;	1593	my %done;
1163	while (%todo) {	1594	while (%todo) {
1164	my $progress;	1595	my $progress;
1165		1596
		1597	++$pass;
		1598
		1599	ext:
1166	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1602	next ext
1169	unless exists $done{$_};	1603	unless exists $done{$_};
1170	}	1604	}
1171		1605
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1607
1174	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 $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1179	warn $msg;	1624
1180	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1626	delete $todo{$k};
1182	}	1627	} else {
1183		1628	$done{$k} = delete $todo{$k};
1184	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1185	}	1634	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1635	}
1191		1636
1192	skip:	1637	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1647	}
1196	};	1648	};
1197	}	1649	}
1198		1650
1199	#############################################################################	1651	#############################################################################
1200		1652
1201	=back	1653	=back
1202		1654
1203	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1204		1656
1205	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1206		1658
1207	=cut	1659	=cut
1208		1660
1209	package cf::player;	1661	package cf::player;
1210		1662
1211	use Coro::AIO;	1663	use Coro::AIO;
1212		1664
1213	=head3 cf::player	1665	=head3 cf::player
1214		1666
1215	=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	}
1216		1682
1217	=item cf::player::find $login	1683	=item cf::player::find $login
1218		1684
1219	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1220		1686
…		…
1239		1705
1240	sub exists($) {	1706	sub exists($) {
1241	my ($login) = @_;	1707	my ($login) = @_;
1242		1708
1243	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1245	}	1711	}
1246		1712
1247	sub find($) {	1713	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1715	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1726
1261	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1264	}	1736	}
1265	}	1737	}
1266	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1267		1752
1268	sub save($) {	1753	sub save($) {
1269	my ($pl) = @_;	1754	my ($pl) = @_;
1270		1755
1271	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1277		1762
1278	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1282	Coro::cede;	1772	cf::cede_to_tick;
1283	}	1773	}
1284		1774
1285	sub new($) {	1775	sub new($) {
1286	my ($login) = @_;	1776	my ($login) = @_;
1287		1777
…		…
1293	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1294		1784
1295	$self	1785	$self
1296	}	1786	}
1297		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
1298	=item $pl->quit_character	1798	=item $pl->quit_character
1299		1799
1300	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1302		1802
…		…
1306	my ($pl) = @_;	1806	my ($pl) = @_;
1307		1807
1308	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1309		1809
1310	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1311	$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
1312		1812
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1316	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1317		1821
1318	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1355	or return [];	1859	or return [];
1356		1860
1357	my @logins;	1861	my @logins;
1358		1862
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1363		1873
1364	utf8::decode $login;	1874	utf8::decode $login;
1365	push @logins, $login;	1875	push @logins, $login;
1366	}	1876	}
1367		1877
1368	\@logins	1878	\@logins
1369	}	1879	}
1370		1880
1371	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1372		1884
1373	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1374	player. May block.	1886	player. May block.
1375		1887
1376	=cut	1888	=cut
…		…
1394	}	1906	}
1395		1907
1396	\@paths	1908	\@paths
1397	}	1909	}
1398		1910
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1912
1401	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1402		1914
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1450		1916
1451	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1452		1918
1453	=cut	1919	=cut
1454		1920
1455	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1457		1923
1458	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1925	}
1461		1926
1462	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1463		1928
1464	Sends an ext event to the client.	1929	Sends an ext event to the client.
1465		1930
1466	=cut	1931	=cut
1467		1932
1468	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1470		1935
1471	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1472	}	1937	}
1473		1938
1474	=head3 cf::region	1939	=head3 cf::region
1475		1940
1476	=over 4	1941	=over 4
…		…
1485		1950
1486	=cut	1951	=cut
1487		1952
1488	sub find_by_path($) {	1953	sub find_by_path($) {
1489	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1490		1957
1491	my ($match, $specificity);	1958	my ($match, $specificity);
1492		1959
1493	for my $region (list) {	1960	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1522		1989
1523	sub generate_random_map {	1990	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1526	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1996	}
1540		1997
1541	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1542		1999
1543	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
…		…
1548		2005
1549	sub register {	2006	sub register {
1550	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	2008	my $pkg = caller;
1552		2009
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		2011
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2013	}
1558		2014
1559	# also paths starting with '/'	2015	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2017
1562	sub thawer_merge {	2018	sub thawer_merge {
1563	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1564		2020
1565	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1570	}	2026	}
1571		2027
1572	sub normalise {	2028	sub normalise {
1573	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1574		2030
1575	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1576		2032
1577	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1578		2034
1579	# map plan:	2035	# map plan:
1580	#	2036	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2052	$path = "$base/$path";
1597	}	2053	}
1598		2054
1599	for ($path) {	2055	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1603	}	2058	}
1604		2059
1605	$path	2060	$path
…		…
1619	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1620	return $self;	2075	return $self;
1621	}	2076	}
1622	}	2077	}
1623		2078
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2080	()
1626	}	2081	}
1627		2082
		2083	# may re-bless or do other evil things
1628	sub init {	2084	sub init {
1629	my ($self) = @_;	2085	my ($self) = @_;
1630		2086
1631	$self	2087	$self
1632	}	2088	}
…		…
1651		2107
1652	# the temporary/swap location	2108	# the temporary/swap location
1653	sub save_path {	2109	sub save_path {
1654	my ($self) = @_;	2110	my ($self) = @_;
1655		2111
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1658	}	2114	}
1659		2115
1660	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1661	sub uniq_path {	2117	sub uniq_path {
1662	my ($self) = @_;	2118	my ($self) = @_;
1663		2119
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2122	}
1676		2123
1677	sub decay_objects {	2124	sub decay_objects {
1678	my ($self) = @_;	2125	my ($self) = @_;
1679		2126
…		…
1692		2139
1693	sub load_header_from($) {	2140	sub load_header_from($) {
1694	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1695		2142
1696	utf8::encode $path;	2143	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2145	or return;
1702		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1703	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1704		2154
1705	1	2155	1
1706	}	2156	}
1707		2157
		2158	# used to laod the header of an original map
1708	sub load_header_orig {	2159	sub load_header_orig {
1709	my ($self) = @_;	2160	my ($self) = @_;
1710		2161
1711	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1712	}	2163	}
1713		2164
		2165	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2166	sub load_header_temp {
1715	my ($self) = @_;	2167	my ($self) = @_;
1716		2168
1717	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1718	}	2170	}
1719		2171
		2172	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2173	sub prepare_temp {
1721	my ($self) = @_;	2174	my ($self) = @_;
1722		2175
1723	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1725	# safety	2178	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2181	}
1729		2182
		2183	# called after loading the header from an original map
1730	sub prepare_orig {	2184	sub prepare_orig {
1731	my ($self) = @_;	2185	my ($self) = @_;
1732		2186
1733	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2212
1759	sub find;	2213	sub find;
1760	sub find {	2214	sub find {
1761	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1762		2216
		2217	cf::cede_to_tick;
		2218
1763	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1764		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2223
1767	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1770	or return;	2226	or return;
1771		2227
1772	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1773		2229
…		…
1775	or return;	2231	or return;
1776		2232
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1780	$map->reset;	2238	$map->reset;
1781	undef $guard;
1782	return find $path;	2239	return find $path;
1783	}	2240	}
1784		2241
1785	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1786	}	2243	}
1787	}	2244	}
1788		2245
1789	sub pre_load { }	2246	sub pre_load { }
1790	sub post_load { }	2247	#sub post_load { } # XS
1791		2248
1792	sub load {	2249	sub load {
1793	my ($self) = @_;	2250	my ($self) = @_;
1794		2251
1795	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1796		2253
1797	my $path = $self->{path};	2254	my $path = $self->{path};
1798		2255
1799	{	2256	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1801		2258
		2259	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2261
1806	$self->alloc;	2262	$self->alloc;
1807		2263
1808	$self->pre_load;	2264	$self->pre_load;
1809	Coro::cede;	2265	cf::cede_to_tick;
1810		2266
1811	$self->_load_objects ($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)
1812	or return;	2271	or return;
1813		2272
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1815	if delete $self->{load_original};	2274	if delete $self->{load_original};
1816		2275
1817	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2277	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2280	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1822	}	2285	}
1823	}
1824		2286
1825	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;
1826	# now do the right thing for maps	2296	# now do the right thing for maps
1827	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2299	unless $self->difficulty;
1830	Coro::cede;	2300	cf::cede_to_tick;
1831		2301
1832	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2303	$self->decay_objects;
1834	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1835	$self->update_buttons;	2305	$self->update_buttons;
1836	Coro::cede;	2306	cf::cede_to_tick;
1837	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2308	}
1841		2309
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1843	}	2312	}
1844		2313
1845	$self->post_load;	2314	$self->post_load;
1846	}
1847		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2322	sub customise_for {
1849	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1850		2324
1851	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2326	if $self->per_player;
…		…
1855	# if $self->per_party;	2329	# if $self->per_party;
1856		2330
1857	$self	2331	$self
1858	}	2332	}
1859		2333
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2334	sub find_sync {
1885	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1886		2336
1887	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, $origin
1888	}	2342	}
1889		2343
1890	sub do_load_sync {	2344	sub do_load_sync {
1891	my ($map) = @_;	2345	my ($map) = @_;
1892		2346
1893	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;
1894	}	2352	}
1895		2353
1896	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1898		2356
1899	sub find_async {	2357	sub find_async {
1900	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1901		2359
1902	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1903		2361
1904	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1906	}	2364	}
1907		2365
1908	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1909	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1910	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2373	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2374	$map->load if $v;
		2375	}
1915		2376
1916	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1917	}	2378	}
1918	}	2379	}
1919	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1920	};	2381	};
1921	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1922		2383
1923	()	2384	()
1924	}	2385	}
1925		2386
		2387	# common code, used by both ->save and ->swapout
1926	sub save {	2388	sub _save {
1927	my ($self) = @_;	2389	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2390
1931	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1932		2392
1933	return unless $self->dirty;	2393	return unless $self->dirty;
1934		2394
…		…
1940	return if $self->{deny_save};	2400	return if $self->{deny_save};
1941		2401
1942	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1943		2403
1944	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1946	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1947		2410
1948	if ($uniq) {	2411	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2414	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2416	}
1954	}	2417	}
1955		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1956	sub swap_out {	2427	sub swap_out {
1957	my ($self) = @_;	2428	my ($self) = @_;
1958		2429
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1964	return if $self->players;	2434	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		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
1968	$self->clear;	2445	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2446	}
1971		2447
1972	sub reset_at {	2448	sub reset_at {
1973	my ($self) = @_;	2449	my ($self) = @_;
1974		2450
…		…
1992		2468
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2470
1995	return if $self->players;	2471	return if $self->players;
1996		2472
1997	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1998		2474
1999	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
2000		2476
2001	# need to save uniques path	2477	# need to save uniques path
2002	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2480
…		…
2006	if $uniq;	2482	if $uniq;
2007	}	2483	}
2008		2484
2009	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2010		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2489	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2490
2015	$self->unlink_save;	2491	$self->unlink_save;
2016	$self->destroy;	2492	$self->destroy;
2017	}	2493	}
2018		2494
2019	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2020		2496
2021	sub nuke {	2497	sub nuke {
2022	my ($self) = @_;	2498	my ($self) = @_;
2023		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2024	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2025		2504
2026	$self->unlink_save;	2505	$self->unlink_save;
2027		2506
2028	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2512
2034	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2035		2515
2036	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2037	}	2517	}
2038		2518
2039	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2081		2561
2082	sub unique_maps() {	2562	sub unique_maps() {
2083	[	2563	[
2084	map {	2564	map {
2085	utf8::decode $_;	2565	utf8::decode $_;
2086	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2087	? normalise $_	2569	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2571	]
2091	}	2572	}
2092		2573
2093	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	}
2094		2605
2095	=back	2606	=back
2096		2607
2097	=head3 cf::object	2608	=head3 cf::object
2098		2609
…		…
2102		2613
2103	=over 4	2614	=over 4
2104		2615
2105	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2106		2617
2107	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.
2108		2620
2109	=cut	2621	=cut
2110		2622
2111	sub inv_recursive_;	2623	sub inv_recursive_;
2112	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2115		2627
2116	sub inv_recursive {	2628	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2118	}	2630	}
2119		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
2120	package cf;	2660	package cf;
2121		2661
2122	=back	2662	=back
2123		2663
2124	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2133		2673
2134	=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	};
2135		2689
2136	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2691	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2146		2700
2147	} else {	2701	} else {
2148	my $pl = $self->contr;	2702	my $pl = $self->contr;
2149		2703
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2707
2159	} else {	2708	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2711	}
2163	}	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 (@_);
2164	}	2723	}
2165		2724
2166	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2167		2726
2168	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2181		2740
2182	=item $player_object->enter_link	2741	=item $player_object->enter_link
2183		2742
2184	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}>).
2185		2744
2186	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.
2187	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.
2188		2749
2189	Will never block.	2750	Will never block.
2190		2751
2191	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2192		2753
…		…
2212	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2774	my ($self) = @_;
2214		2775
2215	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2216		2777
		2778	++$self->{_link_recursion};
		2779
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2781
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2221		2784
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2786	}
2224		2787
2225	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2227		2790
…		…
2244	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2246		2809
2247	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2250		2813
2251	$map->load;	2814	$map->load;
2252	$map->load_diag;
2253		2815
2254	return unless $self->contr->active;	2816	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2817
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2259	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2260		2825
		2826	}
		2827
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2829
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	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 >>.
2267		2838
2268	=cut	2839	=cut
2269		2840
2270	our $GOTOGEN;	2841	our $GOTOGEN;
2271		2842
2272	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2273	my ($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	}
2274		2851
2275	# 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
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2854
2278	$self->enter_link;	2855	$self->enter_link;
2279		2856
2280	(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
2281	my $map = eval {	2879	my $map = eval {
2282	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2881
2284	if ($map) {	2882	if ($map) {
2285	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2885	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2887	}
2290		2888
2291	$map	2889	$map
2292	};	2890	};
2293		2891
…		…
2298		2896
2299	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2302	}	2900	}
		2901
		2902	$done->($self) if $done;
2303	})->prio (1);	2903	})->prio (1);
2304	}	2904	}
2305		2905
2306	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2307		2907
…		…
2327	}	2927	}
2328		2928
2329	sub prepare_random_map {	2929	sub prepare_random_map {
2330	my ($exit) = @_;	2930	my ($exit) = @_;
2331		2931
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2934	# that depends on the exit object
2337		2935
2338	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2938	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2345	}	2945	}
2346		2946
2347	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2348		2948
2349	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2352		2952
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2955	undef $fh;
2356	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2357		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2360	}	2964	}
2361	}	2965	}
2362		2966
2363	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2365		2969
2366	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2367		2971
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2972	$self->enter_link;
2380		2973
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2974	(async {
2386	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2387	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
2388	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2389		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
2390	1;	3013	1
2391	}) {	3014	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "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. "
2394	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2396		3019
2397	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	3021	$self->leave_link;
2399	}	3022	}
2400	})->prio (1);	3023	})->prio (1);
2401	}	3024	}
2402		3025
…		…
2416		3039
2417	utf8::encode $text;	3040	utf8::encode $text;
2418	$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);
2419	}	3042	}
2420		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
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3070
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2427		3075
2428	=cut	3076	=cut
2429		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" => $CHAT_CHANNEL,
		3190	);
		3191
2430	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3194
2433	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		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);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
2434		3216
2435	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2436		3218
2437	if ($self->can_msg) {	3219	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3221	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3222
2450	if ($color >= 0) {	3223	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3226	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2461	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2462		3232
2463	Sends an ext event to the client.	3233	Sends an ext event to the client.
2464		3234
2465	=cut	3235	=cut
2466		3236
2467	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2469		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
		3243	push @msg, msgtype => "event_$type";
		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
2470	return unless $self->extcmd;	3257	return unless $self->extcmd == 2;
2471		3258
2472	$msg{msgtype} = "event_$type";
2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2474	}	3260	}
2475		3261
2476	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2477		3263
2478	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2533	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2534		3320
2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2536		3322
2537	if (ref $msg) {	3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTICMD{$type}) {
2539	if (my %reply = $cb->($ns, $msg)) {	3329	@reply = $cb->($ns, @payload);
2540	$reply{msgid} = $msg->{msgid};
2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2542	}
2543	}	3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
2544	} else {	3335	} else {
2545	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";
2546	}	3337	}
2547		3338
2548	cf::override;	3339	cf::override;
2549	},	3340	},
2550	);	3341	);
…		…
2570		3361
2571	$coro	3362	$coro
2572	}	3363	}
2573		3364
2574	cf::client->attach (	3365	cf::client->attach (
2575	on_destroy => sub {	3366	on_client_destroy => sub {
2576	my ($ns) = @_;	3367	my ($ns) = @_;
2577		3368
2578	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2579	},	3370	},
2580	);	3371	);
…		…
2595	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2596	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2597		3388
2598	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2599		3390
2600	$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	));
2601		3396
2602	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2603		3398
2604	=pod	3399	=pod
2605		3400
2606	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2607		3402
2608	cf::object	3403	cf::object
2609	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2610	insert remove	3405	insert remove name archname title slaying race decrease split
		3406	value
2611		3407
2612	cf::object::player	3408	cf::object::player
2613	player	3409	player
2614		3410
2615	cf::player	3411	cf::player
…		…
2620		3416
2621	=cut	3417	=cut
2622		3418
2623	for (	3419	for (
2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2625	insert remove)],	3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2626	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2627	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2628	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2629	) {	3426	) {
2630	no strict 'refs';
2631	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2632	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2633	for @funs;	3429	for @funs;
2634	}	3430	}
2635		3431
…		…
2650		3446
2651	my $qcode = $code;	3447	my $qcode = $code;
2652	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2653	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2654		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2655	local $_;	3454	local $_;
2656	local @safe::cf::_safe_eval_args = values %vars;
2657		3455
2658	my $eval =	3456	my $eval =
2659	"do {\n"	3457	"do {\n"
2660	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2661	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2662	. $code	3460	. $code
2663	. "\n}"	3461	. "\n}"
2664	;	3462	;
2665		3463
		3464	if ($CFG{safe_eval}) {
2666	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2667	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2668	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	}
2669		3473
2670	if ($@) {	3474	if ($@) {
2671	warn "$@";	3475	warn "$@",
2672	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2673	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2674	}	3478	}
2675		3479
2676	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2677	}	3481	}
2678		3482
…		…
2692	=cut	3496	=cut
2693		3497
2694	sub register_script_function {	3498	sub register_script_function {
2695	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2696		3500
2697	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2698	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2699	}	3503	}
2700		3504
2701	=back	3505	=back
2702		3506
2703	=cut	3507	=cut
2704		3508
2705	#############################################################################	3509	#############################################################################
2706	# the server's init and main functions	3510	# the server's init and main functions
2707		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
		3514	# internal api, not fianlised
		3515	sub add_face {
		3516	my ($name, $type, $data) = @_;
		3517
		3518	my $idx = cf::face::find $name;
		3519
		3520	if ($idx) {
		3521	delete $FACEHASH{cf::face::get_chksum $idx};
		3522	} else {
		3523	$idx = cf::face::alloc $name;
		3524	}
		3525
		3526	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3527
		3528	cf::face::set_type $idx, $type;
		3529	cf::face::set_data $idx, 0, $data, $hash;
		3530	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3531	$FACEHASH{$hash} = $idx;#d#
		3532
		3533	$idx
		3534	}
		3535
2708	sub load_facedata($) {	3536	sub load_facedata($) {
2709	my ($path) = @_;	3537	my ($path) = @_;
2710		3538
		3539	# HACK to clear player env face cache, we need some signal framework
		3540	# for this (global event?)
		3541	%ext::player_env::MUSIC_FACE_CACHE = ();
		3542
		3543	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3544
2711	warn "loading facedata from $path\n";	3545	trace "loading facedata from $path\n";
2712		3546
2713	my $facedata;	3547	my $facedata = decode_storable load_file $path;
2714	0 < aio_load $path, $facedata
2715	or die "$path: $!";
2716
2717	$facedata = Coro::Storable::thaw $facedata;
2718		3548
2719	$facedata->{version} == 2	3549	$facedata->{version} == 2
2720	or cf::cleanup "$path: version mismatch, cannot proceed.";	3550	or cf::cleanup "$path: version mismatch, cannot proceed.";
2721		3551
		3552	cf::cede_to_tick;
		3553
2722	{	3554	{
2723	my $faces = $facedata->{faceinfo};	3555	my $faces = $facedata->{faceinfo};
2724		3556
2725	while (my ($face, $info) = each %$faces) {	3557	for my $face (sort keys %$faces) {
		3558	my $info = $faces->{$face};
2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3559	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3560
2727	cf::face::set_visibility $idx, $info->{visibility};	3561	cf::face::set_visibility $idx, $info->{visibility};
2728	cf::face::set_magicmap $idx, $info->{magicmap};	3562	cf::face::set_magicmap $idx, $info->{magicmap};
2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3563	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3564	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3565	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3566	$FACEHASH{$info->{hash64}} = $idx;#d#
2731		3567
2732	cf::cede_to_tick;	3568	cf::cede_to_tick;
2733	}	3569	}
2734		3570
2735	while (my ($face, $info) = each %$faces) {	3571	while (my ($face, $info) = each %$faces) {
2736	next unless $info->{smooth};	3572	next unless $info->{smooth};
		3573
2737	my $idx = cf::face::find $face	3574	my $idx = cf::face::find $face
2738	or next;	3575	or next;
		3576
2739	if (my $smooth = cf::face::find $info->{smooth}) {	3577	if (my $smooth = cf::face::find $info->{smooth}) {
2740	cf::face::set_smooth $idx, $smooth;	3578	cf::face::set_smooth $idx, $smooth;
2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3579	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2742	} else {	3580	} else {
2743	warn "smooth face '$info->{smooth}' not found for face '$face'";	3581	error "smooth face '$info->{smooth}' not found for face '$face'";
2744	}	3582	}
2745		3583
2746	cf::cede_to_tick;	3584	cf::cede_to_tick;
2747	}	3585	}
2748	}	3586	}
…		…
2757		3595
2758	cf::anim::invalidate_all; # d'oh	3596	cf::anim::invalidate_all; # d'oh
2759	}	3597	}
2760		3598
2761	{	3599	{
2762	# TODO: for gcfclient pleasure, we should give resources
2763	# that gcfclient doesn't grok a >10000 face index.
2764	my $res = $facedata->{resource};	3600	my $res = $facedata->{resource};
2765	my $enc = JSON::XS->new->utf8->canonical;
2766		3601
2767	while (my ($name, $info) = each %$res) {	3602	while (my ($name, $info) = each %$res) {
2768	my $meta = $enc->encode ({	3603	if (defined (my $type = $info->{type})) {
2769	name => $name,	3604	# TODO: different hash - must free and use new index, or cache ixface data queue
2770	type => $info->{type},
2771	copyright => $info->{copyright}, #TODO#
2772	});
2773	my $data = pack "(w/a*)*", $meta, $info->{data};
2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3605	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3606
2777	cf::face::set_type $idx, 1;	3607	cf::face::set_type $idx, $type;
2778	cf::face::set_data $idx, 0, $data, $chk;	3608	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3609	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3610	$FACEHASH{$info->{hash}} = $idx;#d#
		3611	} else {
		3612	# $RESOURCE{$name} = $info; # unused
		3613	}
2779		3614
2780	cf::cede_to_tick;	3615	cf::cede_to_tick;
2781	}	3616	}
2782	}	3617	}
2783		3618
		3619	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3620
2784	1	3621	1
2785	}	3622	}
2786		3623
		3624	register_exticmd fx_want => sub {
		3625	my ($ns, $want) = @_;
		3626
		3627	while (my ($k, $v) = each %$want) {
		3628	$ns->fx_want ($k, $v);
		3629	}
		3630	};
		3631
		3632	sub load_resource_file($) {
		3633	my $guard = lock_acquire "load_resource_file";
		3634
		3635	my $status = load_resource_file_ $_[0];
		3636	get_slot 0.1, 100;
		3637	cf::arch::commit_load;
		3638
		3639	$status
		3640	}
		3641
		3642	sub reload_exp_table {
		3643	_reload_exp_table;
		3644
		3645	add_face "res/exp_table" => FT_RSRC,
		3646	JSON::XS->new->utf8->canonical->encode (
		3647	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3648	);
		3649	}
		3650
		3651	sub reload_materials {
		3652	_reload_materials;
		3653	}
		3654
2787	sub reload_regions {	3655	sub reload_regions {
		3656	# HACK to clear player env face cache, we need some signal framework
		3657	# for this (global event?)
		3658	%ext::player_env::MUSIC_FACE_CACHE = ();
		3659
2788	load_resource_file "$MAPDIR/regions"	3660	load_resource_file "$MAPDIR/regions"
2789	or die "unable to load regions file\n";	3661	or die "unable to load regions file\n";
2790		3662
2791	for (cf::region::list) {	3663	for (cf::region::list) {
2792	$_->{match} = qr/$_->{match}/	3664	$_->{match} = qr/$_->{match}/
…		…
2800	}	3672	}
2801		3673
2802	sub reload_archetypes {	3674	sub reload_archetypes {
2803	load_resource_file "$DATADIR/archetypes"	3675	load_resource_file "$DATADIR/archetypes"
2804	or die "unable to load archetypes\n";	3676	or die "unable to load archetypes\n";
2805	#d# NEED to laod twice to resolve forward references	3677
2806	# this really needs to be done in an extra post-pass	3678	add_face "res/skill_info" => FT_RSRC,
2807	# (which needs to be synchronous, so solve it differently)	3679	JSON::XS->new->utf8->canonical->encode (
2808	load_resource_file "$DATADIR/archetypes"	3680	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2809	or die "unable to load archetypes\n";	3681	);
		3682	add_face "res/spell_paths" => FT_RSRC,
		3683	JSON::XS->new->utf8->canonical->encode (
		3684	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3685	);
2810	}	3686	}
2811		3687
2812	sub reload_treasures {	3688	sub reload_treasures {
2813	load_resource_file "$DATADIR/treasures"	3689	load_resource_file "$DATADIR/treasures"
2814	or die "unable to load treasurelists\n";	3690	or die "unable to load treasurelists\n";
2815	}	3691	}
2816		3692
		3693	sub reload_sound {
		3694	trace "loading sound config from $DATADIR/sound\n";
		3695
		3696	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3697
		3698	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3699	my $sound = $soundconf->{compat}[$_]
		3700	or next;
		3701
		3702	my $face = cf::face::find "sound/$sound->[1]";
		3703	cf::sound::set $sound->[0] => $face;
		3704	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3705	}
		3706
		3707	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3708	my $face = cf::face::find "sound/$v";
		3709	cf::sound::set $k => $face;
		3710	}
		3711	}
		3712
2817	sub reload_resources {	3713	sub reload_resources {
2818	warn "reloading resource files...\n";	3714	trace "reloading resource files...\n";
2819		3715
		3716	reload_materials;
		3717	reload_facedata;
		3718	reload_exp_table;
		3719	reload_sound;
		3720	reload_archetypes;
2820	reload_regions;	3721	reload_regions;
2821	reload_facedata;
2822	#reload_archetypes;#d#
2823	reload_archetypes;
2824	reload_treasures;	3722	reload_treasures;
2825		3723
2826	warn "finished reloading resource files\n";	3724	trace "finished reloading resource files\n";
2827	}	3725	}
2828		3726
2829	sub init {	3727	sub reload_config {
2830	reload_resources;	3728	trace "reloading config file...\n";
2831	}
2832		3729
2833	sub cfg_load {	3730	my $config = load_file "$CONFDIR/config";
2834	open my $fh, "<:utf8", "$CONFDIR/config"	3731	utf8::decode $config;
2835	or return;	3732	*CFG = decode_yaml $config;
2836		3733
2837	local $/;
2838	*CFG = YAML::Syck::Load <$fh>;
2839
2840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3734	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2841		3735
2842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3736	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3737	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2844		3738
2845	if (exists $CFG{mlockall}) {	3739	if (exists $CFG{mlockall}) {
…		…
2849	};	3743	};
2850	warn $@ if $@;	3744	warn $@ if $@;
2851	}	3745	}
2852	}	3746	}
2853		3747
		3748	sub pidfile() {
		3749	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3750	or die "$PIDFILE: $!";
		3751	flock $fh, &Fcntl::LOCK_EX
		3752	or die "$PIDFILE: flock: $!";
		3753	$fh
		3754	}
		3755
		3756	# make sure only one server instance is running at any one time
		3757	sub atomic {
		3758	my $fh = pidfile;
		3759
		3760	my $pid = <$fh>;
		3761	kill 9, $pid if $pid > 0;
		3762
		3763	seek $fh, 0, 0;
		3764	print $fh $$;
		3765	}
		3766
		3767	sub main_loop {
		3768	trace "EV::loop starting\n";
		3769	if (1) {
		3770	EV::loop;
		3771	}
		3772	trace "EV::loop returned\n";
		3773	goto &main_loop unless $REALLY_UNLOOP;
		3774	}
		3775
2854	sub main {	3776	sub main {
		3777	cf::init_globals; # initialise logging
		3778
		3779	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3780	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3781	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3782	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3783
		3784	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3785
2855	# we must not ever block the main coroutine	3786	# we must not ever block the main coroutine
2856	local $Coro::idle = sub {	3787	$Coro::idle = sub {
2857	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3788	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2858	(async {	3789	(async {
2859	Event::one_event;	3790	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3791	EV::loop EV::LOOP_ONESHOT;
2860	})->prio (Coro::PRIO_MAX);	3792	})->prio (Coro::PRIO_MAX);
2861	};	3793	};
2862		3794
2863	cfg_load;	3795	evthread_start IO::AIO::poll_fileno;
		3796
		3797	cf::sync_job {
		3798	cf::incloader::init ();
		3799
		3800	cf::init_anim;
		3801	cf::init_attackmess;
		3802	cf::init_dynamic;
		3803
		3804	cf::load_settings;
		3805
		3806	reload_resources;
		3807	reload_config;
2864	db_init;	3808	db_init;
		3809
		3810	cf::init_uuid;
		3811	cf::init_signals;
		3812	cf::init_skills;
		3813
		3814	cf::init_beforeplay;
		3815
		3816	atomic;
		3817
2865	load_extensions;	3818	load_extensions;
2866		3819
2867	$TICK_WATCHER->start;	3820	utime time, time, $RUNTIMEFILE;
2868	Event::loop;	3821
		3822	# no (long-running) fork's whatsoever before this point(!)
		3823	use POSIX ();
		3824	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3825
		3826	cf::_post_init 0;
		3827	};
		3828
		3829	cf::object::thawer::errors_are_fatal 0;
		3830	info "parse errors in files are no longer fatal from this point on.\n";
		3831
		3832	AE::postpone {
		3833	undef &main; # free gobs of memory :)
		3834	};
		3835
		3836	goto &main_loop;
2869	}	3837	}
2870		3838
2871	#############################################################################	3839	#############################################################################
2872	# initialisation and cleanup	3840	# initialisation and cleanup
2873		3841
2874	# install some emergency cleanup handlers	3842	# install some emergency cleanup handlers
2875	BEGIN {	3843	BEGIN {
		3844	our %SIGWATCHER = ();
2876	for my $signal (qw(INT HUP TERM)) {	3845	for my $signal (qw(INT HUP TERM)) {
2877	Event->signal (	3846	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2878	reentrant => 0,
2879	data => WF_AUTOCANCEL,
2880	signal => $signal,
2881	prio => 0,
2882	cb => sub {
2883	cf::cleanup "SIG$signal";	3847	cf::cleanup "SIG$signal";
2884	},
2885	);	3848	};
2886	}	3849	}
2887	}	3850	}
2888		3851
2889	sub write_runtime {	3852	sub write_runtime_sync {
2890	my $runtime = "$LOCALDIR/runtime";	3853	my $t0 = AE::time;
2891		3854
2892	# first touch the runtime file to show we are still running:	3855	# first touch the runtime file to show we are still running:
2893	# the fsync below can take a very very long time.	3856	# the fsync below can take a very very long time.
2894		3857
2895	IO::AIO::aio_utime $runtime, undef, undef;	3858	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2896		3859
2897	my $guard = cf::lock_acquire "write_runtime";	3860	my $guard = cf::lock_acquire "write_runtime";
2898		3861
2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3862	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2900	or return;	3863	or return;
2901		3864
2902	my $value = $cf::RUNTIME + 90 + 10;	3865	my $value = $cf::RUNTIME + 90 + 10;
2903	# 10 is the runtime save interval, for a monotonic clock	3866	# 10 is the runtime save interval, for a monotonic clock
2904	# 60 allows for the watchdog to kill the server.	3867	# 60 allows for the watchdog to kill the server.
…		…
2914	aio_utime $fh, undef, undef;	3877	aio_utime $fh, undef, undef;
2915		3878
2916	close $fh	3879	close $fh
2917	or return;	3880	or return;
2918		3881
2919	aio_rename "$runtime~", $runtime	3882	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2920	and return;	3883	and return;
2921		3884
2922	warn "runtime file written.\n";	3885	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2923		3886
2924	1	3887	1
		3888	}
		3889
		3890	our $uuid_lock;
		3891	our $uuid_skip;
		3892
		3893	sub write_uuid_sync($) {
		3894	$uuid_skip ||= $_[0];
		3895
		3896	return if $uuid_lock;
		3897	local $uuid_lock = 1;
		3898
		3899	my $uuid = "$LOCALDIR/uuid";
		3900
		3901	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3902	or return;
		3903
		3904	my $value = uuid_seq uuid_cur;
		3905
		3906	unless ($value) {
		3907	info "cowardly refusing to write zero uuid value!\n";
		3908	return;
		3909	}
		3910
		3911	my $value = uuid_str $value + $uuid_skip;
		3912	$uuid_skip = 0;
		3913
		3914	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3915	and return;
		3916
		3917	# always fsync - this file is important
		3918	aio_fsync $fh
		3919	and return;
		3920
		3921	close $fh
		3922	or return;
		3923
		3924	aio_rename "$uuid~", $uuid
		3925	and return;
		3926
		3927	trace "uuid file written ($value).\n";
		3928
		3929	1
		3930
		3931	}
		3932
		3933	sub write_uuid($$) {
		3934	my ($skip, $sync) = @_;
		3935
		3936	$sync ? write_uuid_sync $skip
		3937	: async { write_uuid_sync $skip };
2925	}	3938	}
2926		3939
2927	sub emergency_save() {	3940	sub emergency_save() {
2928	my $freeze_guard = cf::freeze_mainloop;	3941	my $freeze_guard = cf::freeze_mainloop;
2929		3942
2930	warn "enter emergency perl save\n";	3943	info "emergency_perl_save: enter\n";
		3944
		3945	# this is a trade-off: we want to be very quick here, so
		3946	# save all maps without fsync, and later call a global sync
		3947	# (which in turn might be very very slow)
		3948	local $USE_FSYNC = 0;
2931		3949
2932	cf::sync_job {	3950	cf::sync_job {
		3951	cf::write_runtime_sync; # external watchdog should not bark
		3952
2933	# use a peculiar iteration method to avoid tripping on perl	3953	# use a peculiar iteration method to avoid tripping on perl
2934	# refcount bugs in for. also avoids problems with players	3954	# refcount bugs in for. also avoids problems with players
2935	# and maps saved/destroyed asynchronously.	3955	# and maps saved/destroyed asynchronously.
2936	warn "begin emergency player save\n";	3956	info "emergency_perl_save: begin player save\n";
2937	for my $login (keys %cf::PLAYER) {	3957	for my $login (keys %cf::PLAYER) {
2938	my $pl = $cf::PLAYER{$login} or next;	3958	my $pl = $cf::PLAYER{$login} or next;
2939	$pl->valid or next;	3959	$pl->valid or next;
		3960	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2940	$pl->save;	3961	$pl->save;
2941	}	3962	}
2942	warn "end emergency player save\n";	3963	info "emergency_perl_save: end player save\n";
2943		3964
2944	warn "begin emergency map save\n";	3965	cf::write_runtime_sync; # external watchdog should not bark
		3966
		3967	info "emergency_perl_save: begin map save\n";
2945	for my $path (keys %cf::MAP) {	3968	for my $path (keys %cf::MAP) {
2946	my $map = $cf::MAP{$path} or next;	3969	my $map = $cf::MAP{$path} or next;
2947	$map->valid or next;	3970	$map->valid or next;
2948	$map->save;	3971	$map->save;
2949	}	3972	}
2950	warn "end emergency map save\n";	3973	info "emergency_perl_save: end map save\n";
2951		3974
2952	warn "begin emergency database checkpoint\n";	3975	cf::write_runtime_sync; # external watchdog should not bark
		3976
		3977	info "emergency_perl_save: begin database checkpoint\n";
2953	BDB::db_env_txn_checkpoint $DB_ENV;	3978	BDB::db_env_txn_checkpoint $DB_ENV;
2954	warn "end emergency database checkpoint\n";	3979	info "emergency_perl_save: end database checkpoint\n";
		3980
		3981	info "emergency_perl_save: begin write uuid\n";
		3982	write_uuid_sync 1;
		3983	info "emergency_perl_save: end write uuid\n";
		3984
		3985	cf::write_runtime_sync; # external watchdog should not bark
		3986
		3987	trace "emergency_perl_save: syncing database to disk";
		3988	BDB::db_env_txn_checkpoint $DB_ENV;
		3989
		3990	info "emergency_perl_save: starting sync\n";
		3991	IO::AIO::aio_sync sub {
		3992	info "emergency_perl_save: finished sync\n";
		3993	};
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
		3996
		3997	trace "emergency_perl_save: flushing outstanding aio requests";
		3998	while (IO::AIO::nreqs || BDB::nreqs) {
		3999	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4000	}
		4001
		4002	cf::write_runtime_sync; # external watchdog should not bark
2955	};	4003	};
2956		4004
2957	warn "leave emergency perl save\n";	4005	info "emergency_perl_save: leave\n";
2958	}	4006	}
2959		4007
2960	sub post_cleanup {	4008	sub post_cleanup {
2961	my ($make_core) = @_;	4009	my ($make_core) = @_;
2962		4010
		4011	IO::AIO::flush;
		4012
2963	warn Carp::longmess "post_cleanup backtrace"	4013	error Carp::longmess "post_cleanup backtrace"
2964	if $make_core;	4014	if $make_core;
		4015
		4016	my $fh = pidfile;
		4017	unlink $PIDFILE if <$fh> == $$;
		4018	}
		4019
		4020	# a safer delete_package, copied from Symbol
		4021	sub clear_package($) {
		4022	my $pkg = shift;
		4023
		4024	# expand to full symbol table name if needed
		4025	unless ($pkg =~ /^main::.*::$/) {
		4026	$pkg = "main$pkg" if $pkg =~ /^::/;
		4027	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4028	$pkg .= '::' unless $pkg =~ /::$/;
		4029	}
		4030
		4031	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4032	my $stem_symtab = *{$stem}{HASH};
		4033
		4034	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4035	or return;
		4036
		4037	# clear all symbols
		4038	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4039	for my $name (keys %$leaf_symtab) {
		4040	_gv_clear *{"$pkg$name"};
		4041	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4042	}
2965	}	4043	}
2966		4044
2967	sub do_reload_perl() {	4045	sub do_reload_perl() {
2968	# can/must only be called in main	4046	# can/must only be called in main
2969	if ($Coro::current != $Coro::main) {	4047	unless (in_main) {
2970	warn "can only reload from main coroutine";	4048	error "can only reload from main coroutine";
2971	return;	4049	return;
2972	}	4050	}
2973		4051
2974	warn "reloading...";	4052	return if $RELOAD++;
2975		4053
2976	warn "entering sync_job";	4054	my $t1 = AE::time;
2977		4055
		4056	while ($RELOAD) {
		4057	cf::get_slot 0.1, -1, "reload_perl";
		4058	info "perl_reload: reloading...";
		4059
		4060	trace "perl_reload: entering sync_job";
		4061
2978	cf::sync_job {	4062	cf::sync_job {
2979	cf::write_runtime; # external watchdog should not bark
2980	cf::emergency_save;	4063	#cf::emergency_save;
2981	cf::write_runtime; # external watchdog should not bark
2982		4064
2983	warn "syncing database to disk";
2984	BDB::db_env_txn_checkpoint $DB_ENV;
2985
2986	# if anything goes wrong in here, we should simply crash as we already saved
2987
2988	warn "cancelling all WF_AUTOCANCEL watchers";
2989	for (Event::all_watchers) {
2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2991	}
2992
2993	warn "flushing outstanding aio requests";
2994	for (;;) {
2995	BDB::flush;
2996	IO::AIO::flush;
2997	Coro::cede;
2998	last unless IO::AIO::nreqs || BDB::nreqs;
2999	warn "iterate...";
3000	}
3001
3002	++$RELOAD;
3003
3004	warn "cancelling all extension coros";	4065	trace "perl_reload: cancelling all extension coros";
3005	$_->cancel for values %EXT_CORO;	4066	$_->cancel for values %EXT_CORO;
3006	%EXT_CORO = ();	4067	%EXT_CORO = ();
3007		4068
3008	warn "removing commands";	4069	trace "perl_reload: removing commands";
3009	%COMMAND = ();	4070	%COMMAND = ();
3010		4071
3011	warn "removing ext/exti commands";	4072	trace "perl_reload: removing ext/exti commands";
3012	%EXTCMD = ();	4073	%EXTCMD = ();
3013	%EXTICMD = ();	4074	%EXTICMD = ();
3014		4075
3015	warn "unloading/nuking all extensions";	4076	trace "perl_reload: unloading/nuking all extensions";
3016	for my $pkg (@EXTS) {	4077	for my $pkg (@EXTS) {
3017	warn "... unloading $pkg";	4078	trace "... unloading $pkg";
3018		4079
3019	if (my $cb = $pkg->can ("unload")) {	4080	if (my $cb = $pkg->can ("unload")) {
3020	eval {	4081	eval {
3021	$cb->($pkg);	4082	$cb->($pkg);
3022	1	4083	1
3023	} or warn "$pkg unloaded, but with errors: $@";	4084	} or error "$pkg unloaded, but with errors: $@";
		4085	}
		4086
		4087	trace "... clearing $pkg";
		4088	clear_package $pkg;
3024	}	4089	}
3025		4090
3026	warn "... nuking $pkg";
3027	Symbol::delete_package $pkg;
3028	}
3029
3030	warn "unloading all perl modules loaded from $LIBDIR";	4091	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3031	while (my ($k, $v) = each %INC) {	4092	while (my ($k, $v) = each %INC) {
3032	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3033		4094
3034	warn "... unloading $k";	4095	trace "... unloading $k";
3035	delete $INC{$k};	4096	delete $INC{$k};
3036		4097
3037	$k =~ s/\.pm$//;	4098	$k =~ s/\.pm$//;
3038	$k =~ s/\//::/g;	4099	$k =~ s/\//::/g;
3039		4100
3040	if (my $cb = $k->can ("unload_module")) {	4101	if (my $cb = $k->can ("unload_module")) {
3041	$cb->();	4102	$cb->();
		4103	}
		4104
		4105	clear_package $k;
3042	}	4106	}
3043		4107
3044	Symbol::delete_package $k;
3045	}
3046
3047	warn "getting rid of safe::, as good as possible";	4108	trace "perl_reload: getting rid of safe::, as good as possible";
3048	Symbol::delete_package "safe::$_"	4109	clear_package "safe::$_"
3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4110	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3050		4111
3051	warn "unloading cf.pm \"a bit\"";	4112	trace "perl_reload: unloading cf.pm \"a bit\"";
3052	delete $INC{"cf.pm"};	4113	delete $INC{"cf.pm"};
3053	delete $INC{"cf/pod.pm"};	4114	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3054		4115
3055	# don't, removes xs symbols, too,	4116	# don't, removes xs symbols, too,
3056	# and global variables created in xs	4117	# and global variables created in xs
3057	#Symbol::delete_package __PACKAGE__;	4118	#clear_package __PACKAGE__;
3058		4119
3059	warn "unload completed, starting to reload now";	4120	info "perl_reload: unload completed, starting to reload now";
3060		4121
3061	warn "reloading cf.pm";	4122	trace "perl_reload: reloading cf.pm";
3062	require cf;	4123	require cf;
3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4124	cf::_connect_to_perl_1;
3064		4125
3065	warn "loading config and database again";	4126	trace "perl_reload: loading config and database again";
3066	cf::cfg_load;	4127	cf::reload_config;
3067		4128
3068	warn "loading extensions";	4129	trace "perl_reload: loading extensions";
3069	cf::load_extensions;	4130	cf::load_extensions;
3070		4131
		4132	if ($REATTACH_ON_RELOAD) {
3071	warn "reattaching attachments to objects/players";	4133	trace "perl_reload: reattaching attachments to objects/players";
3072	_global_reattach; # objects, sockets	4134	_global_reattach; # objects, sockets
3073	warn "reattaching attachments to maps";	4135	trace "perl_reload: reattaching attachments to maps";
3074	reattach $_ for values %MAP;	4136	reattach $_ for values %MAP;
3075	warn "reattaching attachments to players";	4137	trace "perl_reload: reattaching attachments to players";
3076	reattach $_ for values %PLAYER;	4138	reattach $_ for values %PLAYER;
		4139	}
3077		4140
3078	warn "leaving sync_job";	4141	cf::_post_init 1;
3079		4142
		4143	trace "perl_reload: leaving sync_job";
		4144
3080	1	4145	1
3081	} or do {	4146	} or do {
3082	warn $@;	4147	error $@;
3083	warn "error while reloading, exiting.";	4148	cf::cleanup "perl_reload: error, exiting.";
3084	exit 1;	4149	};
		4150
		4151	--$RELOAD;
3085	};	4152	}
3086		4153
3087	warn "reloaded";	4154	$t1 = AE::time - $t1;
		4155	info "perl_reload: completed in ${t1}s\n";
3088	};	4156	};
3089		4157
3090	our $RELOAD_WATCHER; # used only during reload	4158	our $RELOAD_WATCHER; # used only during reload
3091		4159
3092	sub reload_perl() {	4160	sub reload_perl() {
3093	# doing reload synchronously and two reloads happen back-to-back,	4161	# doing reload synchronously and two reloads happen back-to-back,
3094	# coro crashes during coro_state_free->destroy here.	4162	# coro crashes during coro_state_free->destroy here.
3095		4163
3096	$RELOAD_WATCHER ||= Event->timer (	4164	$RELOAD_WATCHER ||= cf::async {
3097	reentrant => 0,	4165	Coro::AIO::aio_wait cache_extensions;
3098	after => 0,	4166
3099	data => WF_AUTOCANCEL,	4167	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3100	cb => sub {
3101	do_reload_perl;	4168	do_reload_perl;
3102	undef $RELOAD_WATCHER;	4169	undef $RELOAD_WATCHER;
3103	},	4170	};
3104	);	4171	};
3105	}	4172	}
3106		4173
3107	register_command "reload" => sub {	4174	register_command "reload" => sub {
3108	my ($who, $arg) = @_;	4175	my ($who, $arg) = @_;
3109		4176
3110	if ($who->flag (FLAG_WIZ)) {	4177	if ($who->flag (FLAG_WIZ)) {
3111	$who->message ("reloading server.");	4178	$who->message ("reloading server.");
		4179	async {
		4180	$Coro::current->{desc} = "perl_reload";
3112	async { reload_perl };	4181	reload_perl;
		4182	};
3113	}	4183	}
3114	};	4184	};
3115		4185
3116	unshift @INC, $LIBDIR;	4186	#############################################################################
3117		4187
3118	my $bug_warning = 0;	4188	my $bug_warning = 0;
3119		4189
3120	our @WAIT_FOR_TICK;
3121	our @WAIT_FOR_TICK_BEGIN;
3122
3123	sub wait_for_tick {	4190	sub wait_for_tick() {
3124	return unless $TICK_WATCHER->is_active;	4191	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3125	return if $Coro::current == $Coro::main;
3126		4192
3127	my $signal = new Coro::Signal;	4193	$WAIT_FOR_TICK->wait;
3128	push @WAIT_FOR_TICK, $signal;
3129	$signal->wait;
3130	}	4194	}
3131		4195
3132	sub wait_for_tick_begin {	4196	sub wait_for_tick_begin() {
3133	return unless $TICK_WATCHER->is_active;	4197	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3134	return if $Coro::current == $Coro::main;
3135		4198
3136	my $signal = new Coro::Signal;	4199	my $signal = new Coro::Signal;
3137	push @WAIT_FOR_TICK_BEGIN, $signal;	4200	push @WAIT_FOR_TICK_BEGIN, $signal;
3138	$signal->wait;	4201	$signal->wait;
3139	}	4202	}
3140		4203
3141	my $min = 1e6;#d#	4204	sub tick {
3142	my $avg = 10;
3143	$TICK_WATCHER = Event->timer (
3144	reentrant => 0,
3145	parked => 1,
3146	prio => 0,
3147	at => $NEXT_TICK || $TICK,
3148	data => WF_AUTOCANCEL,
3149	cb => sub {
3150	if ($Coro::current != $Coro::main) {	4205	if ($Coro::current != $Coro::main) {
3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4206	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3152	unless ++$bug_warning > 10;	4207	unless ++$bug_warning > 10;
3153	return;	4208	return;
3154	}	4209	}
3155		4210
3156	$NOW = $tick_start = Event::time;	4211	cf::one_tick; # one server iteration
3157		4212
3158	cf::server_tick; # one server iteration	4213	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3159		4214
3160	0 && sync_job {#d#	4215	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3161	for(1..10) {	4216	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3162	my $t = Event::time;	4217	Coro::async_pool {
3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4218	$Coro::current->{desc} = "runtime saver";
3164	or die;	4219	write_runtime_sync
3165		4220	or error "ERROR: unable to write runtime file: $!";
3166	$map->width (50);
3167	$map->height (50);
3168	$map->alloc;
3169	$map->_load_objects ("/tmp/x.map", 1);
3170	my $t = Event::time - $t;
3171
3172	#next unless $t < 0.0013;#d#
3173	if ($t < $min) {
3174	$min = $t;
3175	}
3176	$avg = $avg * 0.99 + $t * 0.01;
3177	}
3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3179	exit 0;
3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3181	};	4221	};
		4222	}
3182		4223
3183	$RUNTIME += $TICK;
3184	$NEXT_TICK += $TICK;
3185
3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
3188	Coro::async_pool {
3189	write_runtime
3190	or warn "ERROR: unable to write runtime file: $!";
3191	};
3192	}
3193
3194	# my $AFTER = Event::time;
3195	# warn $AFTER - $NOW;#d#
3196
3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4224	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3198	$sig->send;	4225	$sig->send;
3199	}	4226	}
3200	while (my $sig = shift @WAIT_FOR_TICK) {	4227	$WAIT_FOR_TICK->broadcast;
3201	$sig->send;
3202	}
3203		4228
3204	$NOW = Event::time;	4229	$LOAD = ($NOW - $TICK_START) / $TICK;
3205
3206	# if we are delayed by four ticks or more, skip them all
3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3208
3209	$TICK_WATCHER->at ($NEXT_TICK);
3210	$TICK_WATCHER->start;
3211
3212	$LOAD = ($NOW - $tick_start) / $TICK;
3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4230	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3214		4231
3215	_post_tick;	4232	if (0) {
3216		4233	if ($NEXT_TICK) {
3217		4234	my $jitter = $TICK_START - $NEXT_TICK;
		4235	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4236	debug "jitter $JITTER\n";#d#
		4237	}
3218	},	4238	}
3219	);	4239	}
3220		4240
3221	{	4241	{
3222	BDB::max_poll_time $TICK * 0.1;	4242	# configure BDB
3223	$BDB_POLL_WATCHER = Event->io (	4243
3224	reentrant => 0,
3225	fd => BDB::poll_fileno,
3226	poll => 'r',
3227	prio => 0,
3228	data => WF_AUTOCANCEL,
3229	cb => \&BDB::poll_cb,
3230	);
3231	BDB::min_parallel 8;	4244	BDB::min_parallel 16;
3232		4245	BDB::max_poll_reqs $TICK * 0.1;
3233	BDB::set_sync_prepare {	4246	#$AnyEvent::BDB::WATCHER->priority (1);
3234	my $status;
3235	my $current = $Coro::current;
3236	(
3237	sub {
3238	$status = $!;
3239	$current->ready; undef $current;
3240	},
3241	sub {
3242	Coro::schedule while defined $current;
3243	$! = $status;
3244	},
3245	)
3246	};
3247		4247
3248	unless ($DB_ENV) {	4248	unless ($DB_ENV) {
3249	$DB_ENV = BDB::db_env_create;	4249	$DB_ENV = BDB::db_env_create;
		4250	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4251	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4252	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4253	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4254	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3250		4255
3251	cf::sync_job {	4256	cf::sync_job {
3252	eval {	4257	eval {
3253	BDB::db_env_open	4258	BDB::db_env_open
3254	$DB_ENV,	4259	$DB_ENV,
…		…
3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4261	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4262	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3258	0666;	4263	0666;
3259		4264
3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4265	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3261
3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3263	$DB_ENV->set_lk_detect;
3264	};	4266	};
3265		4267
3266	cf::cleanup "db_env_open(db): $@" if $@;	4268	cf::cleanup "db_env_open(db): $@" if $@;
3267	};	4269	};
3268	}	4270	}
		4271
		4272	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4273	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4274	};
		4275	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4276	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4277	};
		4278	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4279	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4280	};
3269	}	4281	}
3270		4282
3271	{	4283	{
		4284	# configure IO::AIO
		4285
3272	IO::AIO::min_parallel 8;	4286	IO::AIO::min_parallel 8;
3273
3274	undef $Coro::AIO::WATCHER;
3275	IO::AIO::max_poll_time $TICK * 0.1;	4287	IO::AIO::max_poll_time $TICK * 0.1;
3276	$AIO_POLL_WATCHER = Event->io (	4288	undef $AnyEvent::AIO::WATCHER;
3277	reentrant => 0,
3278	data => WF_AUTOCANCEL,
3279	fd => IO::AIO::poll_fileno,
3280	poll => 'r',
3281	prio => 6,
3282	cb => \&IO::AIO::poll_cb,
3283	);
3284	}	4289	}
3285		4290
3286	my $_log_backtrace;	4291	our $_log_backtrace;
		4292	our $_log_backtrace_last;
3287		4293
3288	sub _log_backtrace {	4294	sub _log_backtrace {
3289	my ($msg, @addr) = @_;	4295	my ($msg, @addr) = @_;
3290		4296
3291	$msg =~ s/\n//;	4297	$msg =~ s/\n$//;
3292		4298
		4299	if ($_log_backtrace_last eq $msg) {
		4300	LOG llevInfo, "[ABT] $msg\n";
		4301	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3293	# limit the # of concurrent backtraces	4302	# limit the # of concurrent backtraces
3294	if ($_log_backtrace < 2) {	4303	} elsif ($_log_backtrace < 2) {
		4304	$_log_backtrace_last = $msg;
3295	++$_log_backtrace;	4305	++$_log_backtrace;
		4306	my $perl_bt = Carp::longmess $msg;
3296	async {	4307	async {
		4308	$Coro::current->{desc} = "abt $msg";
		4309
3297	my @bt = fork_call {	4310	my @bt = fork_call {
3298	@addr = map { sprintf "%x", $_ } @addr;	4311	@addr = map { sprintf "%x", $_ } @addr;
3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4312	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4313	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3301	or die "addr2line: $!";	4314	or die "addr2line: $!";
…		…
3309	}	4322	}
3310		4323
3311	@funcs	4324	@funcs
3312	};	4325	};
3313		4326
3314	LOG llevInfo, "[ABT] $msg\n";	4327	LOG llevInfo, "[ABT] $perl_bt\n";
		4328	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3315	LOG llevInfo, "[ABT] $_\n" for @bt;	4329	LOG llevInfo, "[ABT] $_\n" for @bt;
3316	--$_log_backtrace;	4330	--$_log_backtrace;
3317	};	4331	};
3318	} else {	4332	} else {
3319	LOG llevInfo, "[ABT] $msg\n";	4333	LOG llevInfo, "[ABT] $msg\n";
3320	LOG llevInfo, "[ABT] [suppressed]\n";	4334	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3321	}	4335	}
3322	}	4336	}
3323		4337
3324	# load additional modules	4338	# load additional modules
3325	use cf::pod;	4339	require "cf/$_.pm" for @EXTRA_MODULES;
		4340	cf::_connect_to_perl_2;
3326		4341
3327	END { cf::emergency_save }	4342	END { cf::emergency_save }
3328		4343
3329	1	4344	1
3330		4345

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