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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	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.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	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
129	every server tick.	227	every server tick.
130		228
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		232
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$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;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	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	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	333	for my $pkg (qw(
198	cf::global cf::attachable	334	cf::global cf::attachable
199	cf::object cf::object::player	335	cf::object cf::object::player
200	cf::client cf::player	336	cf::client cf::player
201	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
202	cf::map cf::party cf::region	339	cf::party cf::region
203	)) {	340	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	342	}
207		343
208	$Event::DIED = sub {	344	$EV::DIED = sub {
209	warn "error in event callback: @_";	345	warn "error in event callback: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
211		354
212	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
213		356
214	=over 4	357	=over 4
215		358
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	378	$d
236	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
237	}	380	}
238		381
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
240		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
241	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
242		435
243	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
244		437
245	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
246		439
247	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
248		441
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[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	}
		510
249	=item cf::lock_wait $string	511	=item cf::lock_wait $string
250		512
251	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
252		514
253	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
254		516
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
258	returned.	520	returned.
259		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
260	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
261	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
262		527
263	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
264		529
265	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.
266		531
267	=cut	532	=cut
268		533
269	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
270		535
271	sub lock_wait($) {	536	sub lock_wait($) {
272	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	538	}
280		539
281	sub lock_acquire($) {	540	sub lock_acquire($) {
282	my ($key) = @_;	541	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	542	}
294		543
295	sub lock_active($) {	544	sub lock_active($) {
296	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	546	}
300		547
301	sub freeze_mainloop {	548	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
303		550
304	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
305	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
306	};	621	}
307	$TICK_WATCHER->stop;	622	};
308	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
309	}	637	}
310		638
311	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
312		640
313	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		646
319	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
320		648
321	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
322		650
323	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
326		655
327	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
330	fast or be very important.	659	fast or be very important.
…		…
332	=cut	661	=cut
333		662
334	sub sync_job(&) {	663	sub sync_job(&) {
335	my ($job) = @_;	664	my ($job) = @_;
336		665
337	if ($Coro::current == $Coro::main) {	666	if (in_main) {
338	my $time = Event::time;	667	my $time = AE::time;
339		668
340	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
342		671
343	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	673
345	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
346		675
347	my $busy = 1;	676	my $busy = 1;
348	my @res;	677	my @res;
349		678
350	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	681	@res = eval { $job->() };
352	warn $@ if $@;	682	error $@ if $@;
353	undef $busy;	683	undef $busy;
354	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
355		685
356	while ($busy) {	686	while ($busy) {
357	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
358	}	691	}
		692	}
359		693
360	$time = Event::time - $time;	694	my $time = AE::time - $time;
361		695
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
366		697
367	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
368	} else {	699	} else {
369	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
370		701
…		…
390	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
391		722
392	$coro	723	$coro
393	}	724	}
394		725
395	sub write_runtime {	726	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		727
398	# first touch the runtime file to show we are still running:	728	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
400		732
401	IO::AIO::aio_utime $runtime, undef, undef;	733	=cut
402		734
403	my $guard = cf::lock_acquire "write_runtime";	735	sub post_fork {
		736	reset_signals;
		737	}
404		738
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	739	sub fork_call(&@) {
406	or return;	740	my ($cb, @args) = @_;
407		741
408	my $value = $cf::RUNTIME + 90 + 10;	742	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	743	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	744	# TODO: investigate and fix (likely this will be rather laborious)
411		745
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	746	my @res = Coro::Util::fork_eval {
413	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
414		750
415	# always fsync - this file is important	751	wantarray ? @res : $res[-1]
416	aio_fsync $fh	752	}
417	and return;
418		753
419	# touch it again to show we are up-to-date	754	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	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
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		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	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
431	}	918	}
432		919
433	=item cf::datalog type => key => value, ...	920	=item cf::datalog type => key => value, ...
434		921
435	Log a datalog packet of the given type with the given key-value pairs.	922	Log a datalog packet of the given type with the given key-value pairs.
436		923
437	=cut	924	=cut
438		925
439	sub datalog($@) {	926	sub datalog($@) {
440	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	929	}
443		930
444	=back	931	=back
445		932
446	=cut	933	=cut
447		934
448	#############################################################################	935	#############################################################################
449		936
450	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
451		938
452	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
453	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")
454	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
455		942
456	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>
457	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
458	crossfire+).	945	Deliantra).
459		946
460	=over 4	947	=over 4
461		948
462	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
463		950
…		…
507	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
508		995
509	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
511		998
512	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
514		1001
515	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
516		1003
517	=over 4	1004	=over 4
…		…
641		1128
642	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1131
645	} elsif (ref $type) {	1132	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
647		1134
648	} else {	1135	} else {
649	shift @arg;	1136	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
651	}	1138	}
652	}	1139	}
653	}	1140	}
654		1141
655	sub _object_attach {	1142	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
666	}	1153	}
667		1154
668	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
669	} else {	1156	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1158	}
672		1159
673	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
674	}	1161	}
675		1162
…		…
715	";	1202	";
716	die if $@;	1203	die if $@;
717	}	1204	}
718		1205
719	our $override;	1206	our $override;
720	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?
721		1208
722	sub override {	1209	sub override {
723	$override = 1;	1210	$override = 1;
724	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
725	}	1212	}
726		1213
727	sub do_invoke {	1214	sub do_invoke {
728	my $event = shift;	1215	my $event = shift;
729	my $callbacks = shift;	1216	my $callbacks = shift;
730		1217
731	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
732		1219
733	local $override;	1220	local $override;
734		1221
735	for (@$callbacks) {	1222	for (@$callbacks) {
736	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
737		1224
738	if ($@) {	1225	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1227	override;
742	}	1228	}
743		1229
744	return 1 if $override;	1230	return 1 if $override;
745	}	1231	}
746		1232
747	0	1233	0
748	}	1234	}
749		1235
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1237
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1239
754	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
755		1241
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1245
760	=back	1246	=back
761		1247
762	=cut	1248	=cut
763		1249
764	#############################################################################	1250	#############################################################################
765	# 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, $ob2
		1293	}
766		1294
767	sub reattach {	1295	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1297	my ($obj) = @_;
770		1298
		1299	# no longer needed after getting rid of delete_package?
771	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
772		1301
773	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
774		1303
775	@$registry = ();	1304	@$registry = ();
776		1305
…		…
781	for (@$attach) {	1310	for (@$attach) {
782	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
784	}	1313	}
785	} else {	1314	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1316	}
788	}	1317	}
789	}	1318	}
790		1319
791	cf::attachable->attach (	1320	cf::attachable->attach (
792	prio => -1000000,	1321	prio => -1000000,
793	on_instantiate => sub {	1322	on_instantiate => sub {
794	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
795		1324
796	$data = from_json $data;	1325	$data = decode_json $data;
797		1326
798	for (@$data) {	1327	for (@$data) {
799	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
800		1329
801	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1346	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
819		1348
820	sync_job {	1349	sync_job {
821	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
824		1355
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1363	aio_close $fh;
830		1364
831	if (@$objs) {	1365	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1374	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
839	}	1376	}
840	} else {	1377	} else {
841	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
842	}	1379	}
843		1380
844	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1385	} else {
846	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
847	}	1387	}
848	} else {	1388	} else {
849	aio_unlink $filename;	1389	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
851	}	1391	}
852	}	1392	};
853	}	1393	}
854		1394
855	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
857		1397
…		…
869	or return;	1409	or return;
870		1410
871	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
873	or return;	1413	or return;
		1414
874	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
875	}	1417	}
876		1418
		1419	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
879	return ($data, $av);	1424	($data, $av)
880	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
881		1432
882	#############################################################################	1433	#############################################################################
883	# command handling &c	1434	# command handling &c
884		1435
885	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1450	}
900		1451
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1453
903	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
904		1459
905	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
906	called.	1461	called.
907		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
908	=cut	1474	=cut
909		1475
910	sub register_extcmd {	1476	sub register_extcmd {
911	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
912		1478
913	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
914	}	1480	}
915		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
916	cf::player->attach (	1490	cf::player->attach (
917	on_command => sub {	1491	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
919		1493
920	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
921	or return;	1495	or return;
922		1496
…		…
927	cf::override;	1501	cf::override;
928	},	1502	},
929	on_extcmd => sub {	1503	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
931		1505
932	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1507
934	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
940	} else {	1520	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1522	}
943		1523
944	cf::override;	1524	cf::override;
945	},	1525	},
946	);	1526	);
947		1527
		1528	# "readahead" all extensions
948	sub load_extension {	1529	sub cache_extensions {
949	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
950		1531
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1535	}
976	die $@;
977	}	1536	};
978		1537
979	push @EXTS, $pkg;	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;
980	}	1550	}
981		1551
982	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
983	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1561	next unless -r $path;
985	eval {	1562
986	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		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 $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
987	1	1635	}
988	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1647	}
989	}	1648	};
990	}	1649	}
991		1650
992	#############################################################################	1651	#############################################################################
993		1652
		1653	=back
		1654
994	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
995		1656
996	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
997		1658
998	=cut	1659	=cut
999		1660
1000	package cf::player;	1661	package cf::player;
1001		1662
1002	use Coro::AIO;	1663	use Coro::AIO;
1003		1664
1004	=head3 cf::player	1665	=head3 cf::player
1005		1666
1006	=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	}
1007		1682
1008	=item cf::player::find $login	1683	=item cf::player::find $login
1009		1684
1010	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1011		1686
…		…
1030		1705
1031	sub exists($) {	1706	sub exists($) {
1032	my ($login) = @_;	1707	my ($login) = @_;
1033		1708
1034	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1036	}	1711	}
1037		1712
1038	sub find($) {	1713	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1715	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1726
1052	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1055	}	1736	}
1056	}	1737	}
1057	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1058		1752
1059	sub save($) {	1753	sub save($) {
1060	my ($pl) = @_;	1754	my ($pl) = @_;
1061		1755
1062	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1068		1762
1069	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1073	Coro::cede;	1772	cf::cede_to_tick;
1074	}	1773	}
1075		1774
1076	sub new($) {	1775	sub new($) {
1077	my ($login) = @_;	1776	my ($login) = @_;
1078		1777
…		…
1084	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1085		1784
1086	$self	1785	$self
1087	}	1786	}
1088		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
1089	=item $pl->quit_character	1798	=item $pl->quit_character
1090		1799
1091	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1093		1802
…		…
1097	my ($pl) = @_;	1806	my ($pl) = @_;
1098		1807
1099	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1100		1809
1101	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1102	$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
1103		1812
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1107	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1108		1821
1109	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1146	or return [];	1859	or return [];
1147		1860
1148	my @logins;	1861	my @logins;
1149		1862
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1154		1873
1155	utf8::decode $login;	1874	utf8::decode $login;
1156	push @logins, $login;	1875	push @logins, $login;
1157	}	1876	}
1158		1877
1159	\@logins	1878	\@logins
1160	}	1879	}
1161		1880
1162	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1163		1884
1164	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1165	player. May block.	1886	player. May block.
1166		1887
1167	=cut	1888	=cut
…		…
1185	}	1906	}
1186		1907
1187	\@paths	1908	\@paths
1188	}	1909	}
1189		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1190	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1191		1916
1192	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1193		1918
1194	=cut	1919	=cut
1195		1920
1196	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1198		1923
1199	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1925	}
1203		1926
1204	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1205		1928
1206	Sends an ext event to the client.	1929	Sends an ext event to the client.
1207		1930
1208	=cut	1931	=cut
1209		1932
1210	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1212		1935
1213	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1214	}	1937	}
1215		1938
1216	=head3 cf::region	1939	=head3 cf::region
1217		1940
1218	=over 4	1941	=over 4
…		…
1221		1944
1222	package cf::region;	1945	package cf::region;
1223		1946
1224	=item cf::region::find_by_path $path	1947	=item cf::region::find_by_path $path
1225		1948
1226	Tries to decuce the probable region for a map knowing only its path.	1949	Tries to decuce the likely region for a map knowing only its path.
1227		1950
1228	=cut	1951	=cut
1229		1952
1230	sub find_by_path($) {	1953	sub find_by_path($) {
1231	my ($path) = @_;	1954	my ($path) = @_;
1232		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1233	my ($match, $specificity);	1958	my ($match, $specificity);
1234		1959
1235	for my $region (list) {	1960	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1239	}	1964	}
1240	}	1965	}
1241		1966
…		…
1262	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1264		1989
1265	sub generate_random_map {	1990	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1268	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1996	}
1282		1997
1283	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1284		1999
1285	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
…		…
1290		2005
1291	sub register {	2006	sub register {
1292	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2008	my $pkg = caller;
1294		2009
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2011
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2013	}
1300		2014
1301	# also paths starting with '/'	2015	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2017
1304	sub thawer_merge {	2018	sub thawer_merge {
1305	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1306		2020
1307	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1312	}	2026	}
1313		2027
1314	sub normalise {	2028	sub normalise {
1315	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1316		2030
1317	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1318		2032
1319	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1320		2034
1321	# map plan:	2035	# map plan:
1322	#	2036	#
…		…
1337	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	2052	$path = "$base/$path";
1339	}	2053	}
1340		2054
1341	for ($path) {	2055	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1345	}	2058	}
1346		2059
1347	$path	2060	$path
…		…
1361	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1362	return $self;	2075	return $self;
1363	}	2076	}
1364	}	2077	}
1365		2078
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2080	()
1368	}	2081	}
1369		2082
		2083	# may re-bless or do other evil things
1370	sub init {	2084	sub init {
1371	my ($self) = @_;	2085	my ($self) = @_;
1372		2086
1373	$self	2087	$self
1374	}	2088	}
…		…
1393		2107
1394	# the temporary/swap location	2108	# the temporary/swap location
1395	sub save_path {	2109	sub save_path {
1396	my ($self) = @_;	2110	my ($self) = @_;
1397		2111
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1400	}	2114	}
1401		2115
1402	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1403	sub uniq_path {	2117	sub uniq_path {
1404	my ($self) = @_;	2118	my ($self) = @_;
1405		2119
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2122	}
1418		2123
1419	sub decay_objects {	2124	sub decay_objects {
1420	my ($self) = @_;	2125	my ($self) = @_;
1421		2126
…		…
1434		2139
1435	sub load_header_from($) {	2140	sub load_header_from($) {
1436	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1437		2142
1438	utf8::encode $path;	2143	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2145	or return;
1444		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1445	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1446		2154
1447	1	2155	1
1448	}	2156	}
1449		2157
		2158	# used to laod the header of an original map
1450	sub load_header_orig {	2159	sub load_header_orig {
1451	my ($self) = @_;	2160	my ($self) = @_;
1452		2161
1453	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1454	}	2163	}
1455		2164
		2165	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2166	sub load_header_temp {
1457	my ($self) = @_;	2167	my ($self) = @_;
1458		2168
1459	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1460	}	2170	}
1461		2171
		2172	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2173	sub prepare_temp {
1463	my ($self) = @_;	2174	my ($self) = @_;
1464		2175
1465	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1467	# safety	2178	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2181	}
1471		2182
		2183	# called after loading the header from an original map
1472	sub prepare_orig {	2184	sub prepare_orig {
1473	my ($self) = @_;	2185	my ($self) = @_;
1474		2186
1475	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2212
1501	sub find;	2213	sub find;
1502	sub find {	2214	sub find {
1503	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1504		2216
		2217	cf::cede_to_tick;
		2218
1505	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1506		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2223
1509	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1512	or return;	2226	or return;
1513		2227
1514	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1515		2229
…		…
1517	or return;	2231	or return;
1518		2232
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1522	$map->reset;	2238	$map->reset;
1523	undef $guard;
1524	return find $path;	2239	return find $path;
1525	}	2240	}
1526		2241
1527	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1528	}	2243	}
1529	}	2244	}
1530		2245
1531	sub pre_load { }	2246	sub pre_load { }
1532	sub post_load { }	2247	#sub post_load { } # XS
1533		2248
1534	sub load {	2249	sub load {
1535	my ($self) = @_;	2250	my ($self) = @_;
1536		2251
1537	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1538		2253
1539	my $path = $self->{path};	2254	my $path = $self->{path};
1540		2255
1541	{	2256	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1543		2258
		2259	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2261
1548	$self->alloc;	2262	$self->alloc;
1549		2263
1550	$self->pre_load;	2264	$self->pre_load;
1551	Coro::cede;	2265	cf::cede_to_tick;
1552		2266
1553	$self->_load_objects ($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)
1554	or return;	2271	or return;
1555		2272
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1557	if delete $self->{load_original};	2274	if delete $self->{load_original};
1558		2275
1559	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2277	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2280	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1564	}	2285	}
1565	}
1566		2286
1567	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;
1568	# now do the right thing for maps	2296	# now do the right thing for maps
1569	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2299	unless $self->difficulty;
1572	Coro::cede;	2300	cf::cede_to_tick;
1573		2301
1574	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2303	$self->decay_objects;
1576	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1577	$self->update_buttons;	2305	$self->update_buttons;
1578	Coro::cede;	2306	cf::cede_to_tick;
1579	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2308	}
1583		2309
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1585	}	2312	}
1586		2313
1587	$self->post_load;	2314	$self->post_load;
1588	}
1589		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2322	sub customise_for {
1591	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1592		2324
1593	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2326	if $self->per_player;
…		…
1597	# if $self->per_party;	2329	# if $self->per_party;
1598		2330
1599	$self	2331	$self
1600	}	2332	}
1601		2333
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2334	sub find_sync {
1627	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1628		2336
1629	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, $origin
1630	}	2342	}
1631		2343
1632	sub do_load_sync {	2344	sub do_load_sync {
1633	my ($map) = @_;	2345	my ($map) = @_;
1634		2346
1635	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;
1636	}	2352	}
1637		2353
1638	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1640		2356
1641	sub find_async {	2357	sub find_async {
1642	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1643		2359
1644	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1645		2361
1646	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1648	}	2364	}
1649		2365
1650	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1651	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1652	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2373	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2374	$map->load if $v;
		2375	}
1657		2376
1658	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1659	}	2378	}
1660	}	2379	}
1661	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1662	};	2381	};
1663	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1664		2383
1665	()	2384	()
1666	}	2385	}
1667		2386
		2387	# common code, used by both ->save and ->swapout
1668	sub save {	2388	sub _save {
1669	my ($self) = @_;	2389	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2390
1673	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1674		2392
1675	return unless $self->dirty;	2393	return unless $self->dirty;
1676		2394
…		…
1682	return if $self->{deny_save};	2400	return if $self->{deny_save};
1683		2401
1684	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1685		2403
1686	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1688	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1689		2410
1690	if ($uniq) {	2411	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2414	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2416	}
1696	}	2417	}
1697		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1698	sub swap_out {	2427	sub swap_out {
1699	my ($self) = @_;	2428	my ($self) = @_;
1700		2429
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1706	return if $self->players;	2434	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		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
1710	$self->clear;	2445	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2446	}
1713		2447
1714	sub reset_at {	2448	sub reset_at {
1715	my ($self) = @_;	2449	my ($self) = @_;
1716		2450
…		…
1734		2468
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2470
1737	return if $self->players;	2471	return if $self->players;
1738		2472
1739	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1740		2474
1741	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1742		2476
1743	# need to save uniques path	2477	# need to save uniques path
1744	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2480
…		…
1748	if $uniq;	2482	if $uniq;
1749	}	2483	}
1750		2484
1751	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1752		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2489	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2490
1757	$self->unlink_save;	2491	$self->unlink_save;
1758	$self->destroy;	2492	$self->destroy;
1759	}	2493	}
1760		2494
1761	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1762		2496
1763	sub nuke {	2497	sub nuke {
1764	my ($self) = @_;	2498	my ($self) = @_;
1765		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1766	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1767		2504
1768	$self->unlink_save;	2505	$self->unlink_save;
1769		2506
1770	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2512
1776	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1777		2515
1778	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
1779	}	2517	}
1780		2518
1781	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
1823		2561
1824	sub unique_maps() {	2562	sub unique_maps() {
1825	[	2563	[
1826	map {	2564	map {
1827	utf8::decode $_;	2565	utf8::decode $_;
1828	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
1829	? normalise $_	2569	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2571	]
1833	}	2572	}
1834		2573
1835	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	}
1836		2605
1837	=back	2606	=back
1838		2607
1839	=head3 cf::object	2608	=head3 cf::object
1840		2609
…		…
1844		2613
1845	=over 4	2614	=over 4
1846		2615
1847	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1848		2617
1849	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.
1850		2620
1851	=cut	2621	=cut
1852		2622
1853	sub inv_recursive_;	2623	sub inv_recursive_;
1854	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1857		2627
1858	sub inv_recursive {	2628	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1860	}	2630	}
1861		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
1862	package cf;	2660	package cf;
1863		2661
1864	=back	2662	=back
1865		2663
1866	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1872	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>
1873	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
1874	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1875		2673
1876	=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	};
1877		2689
1878	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2691	# with dialog boxes.
1880	#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
1881	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1883		2695
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2697
1886	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1888	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1891	}	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 (@_);
1892	}	2723	}
1893		2724
1894	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1895		2726
1896	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1909		2740
1910	=item $player_object->enter_link	2741	=item $player_object->enter_link
1911		2742
1912	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}>).
1913		2744
1914	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.
1915	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.
1916		2749
1917	Will never block.	2750	Will never block.
1918		2751
1919	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1920		2753
…		…
1940	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1941	my ($self) = @_;	2774	my ($self) = @_;
1942		2775
1943	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1944		2777
		2778	++$self->{_link_recursion};
		2779
1945	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1946		2781
1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1948	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
1949		2784
1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1951	}	2786	}
1952		2787
1953	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1954	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
1955		2790
…		…
1972	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1974		2809
1975	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1978		2813
1979	$map->load;	2814	$map->load;
1980	$map->load_diag;
1981		2815
1982	return unless $self->contr->active;	2816	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2817
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1987	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
1988		2825
		2826	}
		2827
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1990		2829
1991	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
1992	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
1993	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
1994	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 >>.
1995		2838
1996	=cut	2839	=cut
1997		2840
1998	our $GOTOGEN;	2841	our $GOTOGEN;
1999		2842
2000	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2001	my ($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	}
2002		2851
2003	# 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
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2854
2006	$self->enter_link;	2855	$self->enter_link;
2007		2856
2008	(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
2009	my $map = eval {	2879	my $map = eval {
2010	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2011		2881
2012	if ($map) {	2882	if ($map) {
2013	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2015	} else {	2885	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2887	}
2018		2888
2019	$map	2889	$map
2020	};	2890	};
2021		2891
…		…
2026		2896
2027	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2030	}	2900	}
		2901
		2902	$done->($self) if $done;
2031	})->prio (1);	2903	})->prio (1);
2032	}	2904	}
2033		2905
2034	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2035		2907
…		…
2055	}	2927	}
2056		2928
2057	sub prepare_random_map {	2929	sub prepare_random_map {
2058	my ($exit) = @_;	2930	my ($exit) = @_;
2059		2931
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2934	# that depends on the exit object
2065		2935
2066	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2938	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2073	}	2945	}
2074		2946
2075	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2076		2948
2077	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2080		2952
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2955	undef $fh;
2084	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2085		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2088	}	2964	}
2089	}	2965	}
2090		2966
2091	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2093		2969
2094	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2095		2971
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2972	$self->enter_link;
2108		2973
2109	(async {	2974	(async {
2110	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2111	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
2112	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2113		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
2114	1;	3013	1
2115	}) {	3014	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "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. "
2118	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2120		3019
2121	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2122	$self->leave_link;	3021	$self->leave_link;
2123	}	3022	}
2124	})->prio (1);	3023	})->prio (1);
2125	}	3024	}
2126		3025
…		…
2140		3039
2141	utf8::encode $text;	3040	utf8::encode $text;
2142	$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);
2143	}	3042	}
2144		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
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		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" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		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	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2145	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2146		3232
2147	Sends an exti event to the client.	3233	Sends an ext event to the client.
2148		3234
2149	=cut	3235	=cut
2150		3236
2151	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2153		3239
2154	$msg{msgtype} = "event_$type";	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2155	$self->send_packet ("ext " . cf::to_json \%msg);	3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2156	}	3253	}
2157		3254
2158	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2159		3256
2160	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		3260
2164	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	3262	become reliable at some point in the future.
2166		3263
2167	=cut	3264	=cut
2168		3265
2169	sub cf::client::query {	3266	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3275	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3277
2181	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2183	}	3282	}
2184		3283
2185	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
2186	on_reply => sub {	3290	on_reply => sub {
2187	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2188		3292
2189	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2190	# get handled first	3294	# get handled first
…		…
2202	} else {	3306	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3308	}
2205	}	3309	}
2206	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2207	);	3334	);
2208		3335
2209	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2210		3337
2211	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2227		3354
2228	$coro	3355	$coro
2229	}	3356	}
2230		3357
2231	cf::client->attach (	3358	cf::client->attach (
2232	on_destroy => sub {	3359	on_client_destroy => sub {
2233	my ($ns) = @_;	3360	my ($ns) = @_;
2234		3361
2235	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2236	},	3363	},
2237	);	3364	);
…		…
2252	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2254		3381
2255	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2256		3383
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2258		3389
2259	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2260		3391
2261	=pod	3392	=pod
2262		3393
2263	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2264		3395
2265	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2266	cf::object::player player	3401	cf::object::player
2267	cf::player peaceful	3402	player
2268	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2269		3409
2270	=cut	3410	=cut
2271		3411
2272	for (	3412	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2274	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2277	) {	3419	) {
2278	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2281	for @funs;	3422	for @funs;
2282	}	3423	}
2283		3424
…		…
2298		3439
2299	my $qcode = $code;	3440	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2302		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2303	local $_;	3447	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;
2305		3448
2306	my $eval =	3449	my $eval =
2307	"do {\n"	3450	"do {\n"
2308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2309	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2310	. $code	3453	. $code
2311	. "\n}"	3454	. "\n}"
2312	;	3455	;
2313		3456
		3457	if ($CFG{safe_eval}) {
2314	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2315	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2316	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2317		3466
2318	if ($@) {	3467	if ($@) {
2319	warn "$@";	3468	warn "$@",
2320	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2321	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2322	}	3471	}
2323		3472
2324	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2325	}	3474	}
2326		3475
…		…
2340	=cut	3489	=cut
2341		3490
2342	sub register_script_function {	3491	sub register_script_function {
2343	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2344		3493
2345	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2346	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2347	}	3496	}
2348		3497
2349	=back	3498	=back
2350		3499
2351	=cut	3500	=cut
2352
2353	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524		3501
2525	#############################################################################	3502	#############################################################################
2526	# the server's init and main functions	3503	# the server's init and main functions
2527		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2528	sub load_facedata($) {	3529	sub load_facedata($) {
2529	my ($path) = @_;	3530	my ($path) = @_;
2530		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2531	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2532		3539
2533	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2534	0 < aio_load $path, $facedata
2535	or die "$path: $!";
2536
2537	$facedata = Coro::Storable::thaw $facedata;
2538		3541
2539	$facedata->{version} == 2	3542	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3544
		3545	cf::cede_to_tick;
		3546
2542	{	3547	{
2543	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2544		3549
2545	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2550	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2551	}	3562	}
2552		3563
2553	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2555	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2556	or next;	3568	or next;
		3569
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3573	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3575	}
2562	Coro::cede;	3576
		3577	cf::cede_to_tick;
2563	}	3578	}
2564	}	3579	}
2565		3580
2566	{	3581	{
2567	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2568		3583
2569	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3586	cf::cede_to_tick;
2572	}	3587	}
2573		3588
2574	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2575	}	3590	}
2576		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2577	1	3614	1
2578	}	3615	}
2579		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2580	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2581	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2583	}	3660	}
2584		3661
2585	sub reload_facedata {	3662	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2588	}	3665	}
2589		3666
2590	sub reload_archetypes {	3667	sub reload_archetypes {
2591	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2593	}	3679	}
2594		3680
2595	sub reload_treasures {	3681	sub reload_treasures {
2596	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2597	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2598	}	3684	}
2599		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
2600	sub reload_resources {	3761	sub reload_resources {
2601	warn "reloading resource files...\n";	3762	trace "reloading resource files...\n";
2602		3763
		3764	reload_materials;
		3765	reload_facedata;
		3766	reload_exp_table;
		3767	reload_sound;
		3768	reload_archetypes;
2603	reload_regions;	3769	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3770	reload_treasures;
		3771	reload_pod;
2608		3772
2609	warn "finished reloading resource files\n";	3773	trace "finished reloading resource files\n";
2610	}	3774	}
2611		3775
2612	sub init {	3776	sub reload_config {
2613	reload_resources;	3777	trace "reloading config file...\n";
2614	}
2615		3778
2616	sub cfg_load {	3779	my $config = load_file "$CONFDIR/config";
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3780	utf8::decode $config;
2618	or return;	3781	*CFG = decode_yaml $config;
2619		3782
2620	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;
2622
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2624		3784
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2627		3787
2628	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
2632	};	3792	};
2633	warn $@ if $@;	3793	warn $@ if $@;
2634	}	3794	}
2635	}	3795	}
2636		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
2637	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
2638	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3836	$Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3838	(async {
2642	Event::one_event;	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3840	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
2644	};	3842	};
2645		3843
2646	cfg_load;	3844	evthread_start IO::AIO::poll_fileno;
		3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
2647	db_init;	3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
		3858	reload_config;
		3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
2648	load_extensions;	3868	load_extensions;
2649		3869
2650	$TICK_WATCHER->start;	3870	utime time, time, $RUNTIMEFILE;
2651	Event::loop;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
		3877	};
		3878
		3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
2652	}	3887	}
2653		3888
2654	#############################################################################	3889	#############################################################################
2655	# initialisation and cleanup	3890	# initialisation and cleanup
2656		3891
2657	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
2658	BEGIN {	3893	BEGIN {
		3894	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
2667	},
2668	);	3898	};
		3899	}
		3900	}
		3901
		3902	sub write_runtime_sync {
		3903	my $t0 = AE::time;
		3904
		3905	# first touch the runtime file to show we are still running:
		3906	# the fsync below can take a very very long time.
		3907
		3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3909
		3910	my $guard = cf::lock_acquire "write_runtime";
		3911
		3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3913	or return;
		3914
		3915	my $value = $cf::RUNTIME + 90 + 10;
		3916	# 10 is the runtime save interval, for a monotonic clock
		3917	# 60 allows for the watchdog to kill the server.
		3918
		3919	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3920	and return;
		3921
		3922	# always fsync - this file is important
		3923	aio_fsync $fh
		3924	and return;
		3925
		3926	# touch it again to show we are up-to-date
		3927	aio_utime $fh, undef, undef;
		3928
		3929	close $fh
		3930	or return;
		3931
		3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3933	and return;
		3934
		3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3936
2669	}	3937	1
		3938	}
		3939
		3940	our $uuid_lock;
		3941	our $uuid_skip;
		3942
		3943	sub write_uuid_sync($) {
		3944	$uuid_skip ||= $_[0];
		3945
		3946	return if $uuid_lock;
		3947	local $uuid_lock = 1;
		3948
		3949	my $uuid = "$LOCALDIR/uuid";
		3950
		3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3952	or return;
		3953
		3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
		3962	$uuid_skip = 0;
		3963
		3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3965	and return;
		3966
		3967	# always fsync - this file is important
		3968	aio_fsync $fh
		3969	and return;
		3970
		3971	close $fh
		3972	or return;
		3973
		3974	aio_rename "$uuid~", $uuid
		3975	and return;
		3976
		3977	trace "uuid file written ($value).\n";
		3978
		3979	1
		3980
		3981	}
		3982
		3983	sub write_uuid($$) {
		3984	my ($skip, $sync) = @_;
		3985
		3986	$sync ? write_uuid_sync $skip
		3987	: async { write_uuid_sync $skip };
2670	}	3988	}
2671		3989
2672	sub emergency_save() {	3990	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
2674		3992
2675	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
2676		3999
2677	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
2678	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	4009	$pl->valid or next;
		4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	4011	$pl->save;
2686	}	4012	}
2687	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
2688		4014
2689	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	4020	$map->valid or next;
2693	$map->save;	4021	$map->save;
2694	}	4022	}
2695	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
2696		4024
2697	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
		4030
		4031	info "emergency_perl_save: begin write uuid\n";
		4032	write_uuid_sync 1;
		4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
2700	};	4053	};
2701		4054
2702	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
2703	}	4056	}
2704		4057
2705	sub post_cleanup {	4058	sub post_cleanup {
2706	my ($make_core) = @_;	4059	my ($make_core) = @_;
2707		4060
		4061	IO::AIO::flush;
		4062
2708	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	4064	if $make_core;
		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
2710	}	4093	}
2711		4094
2712	sub do_reload_perl() {	4095	sub do_reload_perl() {
2713	# can/must only be called in main	4096	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
2715	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
2716	return;	4099	return;
2717	}	4100	}
2718		4101
2719	warn "reloading...";	4102	return if $RELOAD++;
2720		4103
2721	warn "entering sync_job";	4104	my $t1 = AE::time;
2722		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
2723	cf::sync_job {	4112	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark
2725	cf::emergency_save;	4113	#cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark
2727		4114
2728	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;
2730
2731	# if anything goes wrong in here, we should simply crash as we already saved
2732
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();	4117	%EXT_CORO = ();
2752		4118
2753	warn "removing commands";	4119	trace "perl_reload: removing commands";
2754	%COMMAND = ();	4120	%COMMAND = ();
2755		4121
2756	warn "removing ext commands";	4122	trace "perl_reload: removing ext/exti commands";
2757	%EXTCMD = ();	4123	%EXTCMD = ();
		4124	%EXTICMD = ();
2758		4125
2759	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
2762		4129
2763	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
2764	eval {	4131	eval {
2765	$cb->($pkg);	4132	$cb->($pkg);
2766	1	4133	1
2767	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
2768	}	4139	}
2769		4140
2770	warn "... nuking $pkg";
2771	Symbol::delete_package $pkg;
2772	}
2773
2774	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2775	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		4144
2778	warn "... unloading $k";	4145	trace "... unloading $k";
2779	delete $INC{$k};	4146	delete $INC{$k};
2780		4147
2781	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
2783		4150
2784	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
2785	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
2786	}	4156	}
2787		4157
2788	Symbol::delete_package $k;
2789	}
2790
2791	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		4161
2795	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		4165
2799	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
2800	# and global variables created in xs	4167	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
2802		4169
2803	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
2804		4171
2805	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
2806	require cf;	4173	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
2808		4175
2809	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
2810	cf::cfg_load;	4177	cf::reload_config;
2811		4178
2812	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
2813	cf::load_extensions;	4180	cf::load_extensions;
2814		4181
		4182	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
2818	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
2821		4190
2822	warn "leaving sync_job";	4191	cf::_post_init 1;
2823		4192
		4193	trace "perl_reload: leaving sync_job";
		4194
2824	1	4195	1
2825	} or do {	4196	} or do {
2826	warn $@;	4197	error $@;
2827	warn "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
2828	exit 1;	4199	};
		4200
		4201	--$RELOAD;
2829	};	4202	}
2830		4203
2831	warn "reloaded";	4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
2832	};	4206	};
2833		4207
2834	our $RELOAD_WATCHER; # used only during reload	4208	our $RELOAD_WATCHER; # used only during reload
2835		4209
2836	sub reload_perl() {	4210	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	4211	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	4212	# coro crashes during coro_state_free->destroy here.
2839		4213
2840	$RELOAD_WATCHER ||= Event->timer (	4214	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	4215	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	4216
2843	data => WF_AUTOCANCEL,	4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	4218	do_reload_perl;
2846	undef $RELOAD_WATCHER;	4219	undef $RELOAD_WATCHER;
2847	},	4220	};
2848	);	4221	};
2849	}	4222	}
2850		4223
2851	register_command "reload" => sub {	4224	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
2853		4226
2854	if ($who->flag (FLAG_WIZ)) {	4227	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	4228	$who->message ("reloading server.");
		4229	async {
		4230	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	4231	reload_perl;
		4232	};
2857	}	4233	}
2858	};	4234	};
2859		4235
2860	unshift @INC, $LIBDIR;	4236	#############################################################################
2861		4237
2862	my $bug_warning = 0;	4238	my $bug_warning = 0;
2863		4239
2864	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;
2866
2867	sub wait_for_tick {	4240	sub wait_for_tick() {
2868	return unless $TICK_WATCHER->is_active;	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2869	return if $Coro::current == $Coro::main;
2870		4242
2871	my $signal = new Coro::Signal;	4243	$WAIT_FOR_TICK->wait;
2872	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;
2874	}	4244	}
2875		4245
2876	sub wait_for_tick_begin {	4246	sub wait_for_tick_begin() {
2877	return unless $TICK_WATCHER->is_active;	4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2878	return if $Coro::current == $Coro::main;
2879		4248
2880	my $signal = new Coro::Signal;	4249	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	4250	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	4251	$signal->wait;
2883	}	4252	}
2884		4253
2885	my $min = 1e6;#d#	4254	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	4255	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
2897	return;	4258	return;
2898	}	4259	}
2899		4260
2900	$NOW = $tick_start = Event::time;	4261	cf::one_tick; # one server iteration
2901		4262
2902	cf::server_tick; # one server iteration	4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2903		4264
2904	0 && sync_job {#d#	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905	for(1..10) {	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906	my $t = Event::time;	4267	Coro::async_pool {
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4268	$Coro::current->{desc} = "runtime saver";
2908	or die;	4269	write_runtime_sync
2909		4270	or error "ERROR: unable to write runtime file: $!";
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	4271	};
		4272	}
2926		4273
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	4275	$sig->send;
2943	}	4276	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	4277	$WAIT_FOR_TICK->broadcast;
2945	$sig->send;
2946	}
2947		4278
2948	$NOW = Event::time;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		4281
2959	_post_tick;	4282	if (0) {
2960		4283	if ($NEXT_TICK) {
2961		4284	my $jitter = $TICK_START - $NEXT_TICK;
		4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4286	debug "jitter $JITTER\n";#d#
		4287	}
2962	},	4288	}
2963	);	4289	}
2964		4290
2965	{	4291	{
2966	BDB::max_poll_time $TICK * 0.1;	4292	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	4293	info "initialising database";
2968	reentrant => 0,	4294
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
2976		4296	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	4297	#$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		4298
2992	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
		4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		4306
2995	cf::sync_job {	4307	cf::sync_job {
2996	eval {	4308	eval {
2997	BDB::db_env_open	4309	BDB::db_env_open
2998	$DB_ENV,	4310	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4312	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4313	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	4314	0666;
3003		4315
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4316	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	4317	};
3009		4318
3010	cf::cleanup "db_env_open(db): $@" if $@;	4319	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	4320	};
3012	}	4321	}
		4322
		4323	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4324	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4325	};
		4326	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4328	};
		4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4331	};
		4332
		4333	info "database initialised";
3013	}	4334	}
3014		4335
3015	{	4336	{
		4337	# configure IO::AIO
		4338
		4339	info "initialising aio";
3016	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4342	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,	4343	info "aio initialised";
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4344	}
3029		4345
3030	my $_log_backtrace;	4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
3031		4348
3032	sub _log_backtrace {	4349	sub _log_backtrace {
3033	my ($msg, @addr) = @_;	4350	my ($msg, @addr) = @_;
3034		4351
3035	$msg =~ s/\n//;	4352	$msg =~ s/\n$//;
3036		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3037	# limit the # of concurrent backtraces	4357	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
3039	++$_log_backtrace;	4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
3040	async {	4362	async {
		4363	$Coro::current->{desc} = "abt $msg";
		4364
3041	my @bt = fork_call {	4365	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4366	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4367	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4368	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	4369	or die "addr2line: $!";
…		…
3053	}	4377	}
3054		4378
3055	@funcs	4379	@funcs
3056	};	4380	};
3057		4381
3058	LOG llevInfo, "[ABT] $msg\n";	4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4384	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4385	--$_log_backtrace;
3061	};	4386	};
3062	} else {	4387	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4388	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3065	}	4390	}
3066	}	4391	}
3067		4392
3068	# load additional modules	4393	# load additional modules
3069	use cf::pod;	4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
3070		4396
3071	END { cf::emergency_save }	4397	END { cf::emergency_save }
3072		4398
3073	1	4399	1
3074		4400

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